sdl-ios-xcode: src/video/ataricommon/SDL

annotate src/video/ataricommon/SDL_atarigl.c @ 1238:1901fea5edac

Load default OpenGL library if needed at driver initialization

author	Patrice Mandin <patmandin@gmail.com>
date	Sun, 08 Jan 2006 10:22:27 +0000
parents	2ab1cb02a44e
children	cbdb2c156aca

rev	line source
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1 /*
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	4
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	9
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	13 Library General Public License for more details.
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	14
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	16 License along with this library; if not, write to the Free
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	18
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	19 Sam Lantinga
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	20 slouken@libsdl.org
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	21 */
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	22
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	23 /* Atari OSMesa.ldg implementation of SDL OpenGL support */
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	24
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	25 /--- Includes ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	26
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	27 #include <stdio.h>
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	28 #include <stdlib.h>
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	29 #include <string.h>
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	30 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	31 #include <GL/osmesa.h>
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	32 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	33
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	34 #include <mint/osbind.h>
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	35
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	36 #include "SDL_video.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	37 #include "SDL_error.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	38 #include "SDL_endian.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	39 #include "SDL_atarigl_c.h"
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	40 #ifdef ENABLE_OSMESA_SHARED
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	41 #include "SDL_loadso.h"
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	42 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	43
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	44 /--- Defines ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	45
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	46 #define PATH_OSMESA_LDG "osmesa.ldg"
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	47 #define PATH_MESAGL_LDG "mesa_gl.ldg"
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	48 #define PATH_TINYGL_LDG "tiny_gl.ldg"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	49
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	50 #define VDI_RGB 0xf
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	51
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	52 /--- Functions prototypes ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	53
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	54 static void SDL_AtariGL_UnloadLibrary(_THIS);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	55
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	56 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	57 static void CopyShadowNull(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	58 static void CopyShadowDirect(_THIS, SDL_Surface *surface);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	59 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	60 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	61 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	62 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	63 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	64 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	65 static void CopyShadowRGBToRGBA(_THIS, SDL_Surface *surface);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	66 static void CopyShadow8888To555(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	67 static void CopyShadow8888To565(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	68
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	69 static void ConvertNull(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	70 static void Convert565To555be(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	71 static void Convert565To555le(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	72 static void Convert565le(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	73 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	74
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	75 static int InitNew(_THIS, SDL_Surface *current);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	76 static int InitOld(_THIS, SDL_Surface *current);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	77 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	78
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	79 /--- Public functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	80
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	81 int SDL_AtariGL_Init(_THIS, SDL_Surface *current)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	82 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	83 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	84 if (gl_oldmesa) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	85 gl_active = InitOld(this, current);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	86 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	87 gl_active = InitNew(this, current);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	88 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	89 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	90
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	91 return (gl_active);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	92 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	93
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	94 void SDL_AtariGL_Quit(_THIS, SDL_bool unload)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	95 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	96 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	97 if (gl_oldmesa) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	98 /* Old mesa implementations */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	99 if (this->gl_data->OSMesaDestroyLDG) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	100 this->gl_data->OSMesaDestroyLDG();
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	101 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	102 if (gl_shadow) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	103 Mfree(gl_shadow);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	104 gl_shadow = NULL;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	105 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	106 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	107 /* New mesa implementation */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	108 if (gl_ctx) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	109 if (this->gl_data->OSMesaDestroyContext) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	110 this->gl_data->OSMesaDestroyContext(gl_ctx);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	111 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	112 gl_ctx = NULL;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	113 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	114 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	115
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	116 if (unload) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	117 SDL_AtariGL_UnloadLibrary(this);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	118 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	119
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	120 #endif /* HAVE_OPENGL */
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	121 gl_active = 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	122 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	123
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	124 int SDL_AtariGL_LoadLibrary(_THIS, const char *path)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	125 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	126 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	127
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	128 #ifdef ENABLE_OSMESA_SHARED
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	129 void *handle;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	130 SDL_bool cancel_load;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	131
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	132 if (gl_active) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	133 SDL_SetError("OpenGL context already created");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	134 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	135 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	136
1238 1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	137 /* Driver already loaded ? */
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	138 if (this->gl_config.driver_loaded) {
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	139 /* Default path ? don't change anything */
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	140 if (path==NULL) {
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	141 return 0;
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	142 }
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	143 /* Unload previous driver */
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	144 SDL_AtariGL_UnloadLibrary(this);
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	145 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	146
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	147 /* Load library given by path */
1238 1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	148 handle = NULL
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	149 if (path != NULL) {
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	150 handle = SDL_LoadObject(path);
1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	151 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	152 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	153 /* Try to load another one */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	154 path = getenv("SDL_VIDEO_GL_DRIVER");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	155 if ( path != NULL ) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	156 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	157 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	158
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	159 /* If it does not work, try some other */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	160 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	161 path = PATH_OSMESA_LDG;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	162 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	163 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	164
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	165 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	166 path = PATH_MESAGL_LDG;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	167 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	168 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	169
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	170 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	171 path = PATH_TINYGL_LDG;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	172 handle = SDL_LoadObject(path);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	173 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	174 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	175
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	176 if (handle == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	177 SDL_SetError("Could not load OpenGL library");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	178 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	179 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	180
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	181 this->gl_data->glGetIntegerv = SDL_LoadFunction(handle, "glGetIntegerv");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	182 this->gl_data->glFinish = SDL_LoadFunction(handle, "glFinish");
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	183 this->gl_data->glFlush = SDL_LoadFunction(handle, "glFlush");
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	184
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	185 cancel_load = SDL_FALSE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	186 if (this->gl_data->glGetIntegerv == NULL) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	187 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	188 } else {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	189 /* We need either glFinish (OSMesa) or glFlush (TinyGL) */
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	190 if ((this->gl_data->glFinish == NULL) &&
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	191 (this->gl_data->glFlush == NULL)) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	192 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	193 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	194 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	195 if (cancel_load) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	196 SDL_SetError("Could not retrieve OpenGL functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	197 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	198 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	199 SDL_AtariGL_InitPointers(this);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	200 return -1;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	201 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	202
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	203 /* Load functions pointers (osmesa.ldg) */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	204 this->gl_data->OSMesaCreateContextExt = SDL_LoadFunction(handle, "OSMesaCreateContextExt");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	205 this->gl_data->OSMesaDestroyContext = SDL_LoadFunction(handle, "OSMesaDestroyContext");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	206 this->gl_data->OSMesaMakeCurrent = SDL_LoadFunction(handle, "OSMesaMakeCurrent");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	207 this->gl_data->OSMesaPixelStore = SDL_LoadFunction(handle, "OSMesaPixelStore");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	208 this->gl_data->OSMesaGetProcAddress = SDL_LoadFunction(handle, "OSMesaGetProcAddress");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	209
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	210 /* Load old functions pointers (mesa_gl.ldg, tiny_gl.ldg) */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	211 this->gl_data->OSMesaCreateLDG = SDL_LoadFunction(handle, "OSMesaCreateLDG");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	212 this->gl_data->OSMesaDestroyLDG = SDL_LoadFunction(handle, "OSMesaDestroyLDG");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	213
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	214 gl_oldmesa = 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	215
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	216 if ( (this->gl_data->OSMesaCreateContextExt == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	217 (this->gl_data->OSMesaDestroyContext == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	218 (this->gl_data->OSMesaMakeCurrent == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	219 (this->gl_data->OSMesaPixelStore == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	220 (this->gl_data->OSMesaGetProcAddress == NULL)) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	221 /* Hum, maybe old library ? */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	222 if ( (this->gl_data->OSMesaCreateLDG == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	223 (this->gl_data->OSMesaDestroyLDG == NULL)) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	224 SDL_SetError("Could not retrieve OSMesa functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	225 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	226 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	227 SDL_AtariGL_InitPointers(this);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	228 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	229 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	230 gl_oldmesa = 1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	231 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	232 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	233
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	234 this->gl_config.dll_handle = handle;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	235 if ( path ) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	236 strncpy(this->gl_config.driver_path, path,
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	237 sizeof(this->gl_config.driver_path)-1);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	238 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	239 strcpy(this->gl_config.driver_path, "");
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	240 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	241
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	242 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	243 this->gl_config.driver_loaded = 1;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	244
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	245 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	246 #else
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	247 return -1;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	248 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	249 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	250
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	251 void SDL_AtariGL_GetProcAddress(_THIS, const char proc)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	252 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	253 void *func = NULL;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	254 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	255
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	256 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	257 func = SDL_LoadFunction(this->gl_config.dll_handle, (void *)proc);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	258 } else if (this->gl_data->OSMesaGetProcAddress) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	259 func = this->gl_data->OSMesaGetProcAddress(proc);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	260 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	261
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	262 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	263 return func;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	264 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	265
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	266 int SDL_AtariGL_GetAttribute(_THIS, SDL_GLattr attrib, int* value)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	267 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	268 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	269 GLenum mesa_attrib;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	270 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	271
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	272 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	273 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	274 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	275
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	276 switch(attrib) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	277 case SDL_GL_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	278 mesa_attrib = GL_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	279 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	280 case SDL_GL_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	281 mesa_attrib = GL_GREEN_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	282 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	283 case SDL_GL_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	284 mesa_attrib = GL_BLUE_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	285 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	286 case SDL_GL_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	287 mesa_attrib = GL_ALPHA_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	288 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	289 case SDL_GL_DOUBLEBUFFER:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	290 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	291 *value = ((surface->flags & SDL_DOUBLEBUF)==SDL_DOUBLEBUF);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	292 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	293 case SDL_GL_DEPTH_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	294 mesa_attrib = GL_DEPTH_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	295 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	296 case SDL_GL_STENCIL_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	297 mesa_attrib = GL_STENCIL_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	298 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	299 case SDL_GL_ACCUM_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	300 mesa_attrib = GL_ACCUM_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	301 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	302 case SDL_GL_ACCUM_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	303 mesa_attrib = GL_ACCUM_GREEN_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	304 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	305 case SDL_GL_ACCUM_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	306 mesa_attrib = GL_ACCUM_BLUE_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	307 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	308 case SDL_GL_ACCUM_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	309 mesa_attrib = GL_ACCUM_ALPHA_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	310 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	311 default :
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	312 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	313 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	314
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	315 this->gl_data->glGetIntegerv(mesa_attrib, value);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	316 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	317 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	318 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	319 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	320 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	321
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	322 int SDL_AtariGL_MakeCurrent(_THIS)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	323 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	324 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	325 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	326 GLenum type;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	327
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	328 if (gl_oldmesa && gl_active) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	329 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	330 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	331
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	332 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	333 if ((this->gl_data->OSMesaMakeCurrent == NULL) \|\|
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	334 (this->gl_data->OSMesaPixelStore == NULL)) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	335 return -1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	336 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	337 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	338
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	339 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	340 SDL_SetError("Invalid OpenGL context");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	341 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	342 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	343
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	344 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	345
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	346 if ((surface->format->BitsPerPixel == 15) \|\| (surface->format->BitsPerPixel == 16)) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	347 type = GL_UNSIGNED_SHORT_5_6_5;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	348 } else {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	349 type = GL_UNSIGNED_BYTE;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	350 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	351
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	352 if (!(this->gl_data->OSMesaMakeCurrent(gl_ctx, surface->pixels, type, surface->w, surface->h))) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	353 SDL_SetError("Can not make OpenGL context current");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	354 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	355 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	356
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	357 /* OSMesa draws upside down */
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	358 this->gl_data->OSMesaPixelStore(OSMESA_Y_UP, 0);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	359
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	360 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	361 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	362 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	363 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	364 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	365
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	366 void SDL_AtariGL_SwapBuffers(_THIS)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	367 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	368 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	369 if (gl_active) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	370 if (this->gl_config.dll_handle) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	371 if (this->gl_data->glFinish) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	372 this->gl_data->glFinish();
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	373 } else if (this->gl_data->glFlush) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	374 this->gl_data->glFlush();
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	375 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	376 } else {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	377 this->gl_data->glFinish();
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	378 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	379 gl_copyshadow(this, this->screen);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	380 gl_convert(this, this->screen);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	381 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	382 #endif
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	383 }
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	384
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	385 void SDL_AtariGL_InitPointers(_THIS)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	386 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	387 #if defined(HAVE_OPENGL)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	388 this->gl_data->OSMesaCreateContextExt = OSMesaCreateContextExt;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	389 this->gl_data->OSMesaDestroyContext = OSMesaDestroyContext;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	390 this->gl_data->OSMesaMakeCurrent = OSMesaMakeCurrent;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	391 this->gl_data->OSMesaPixelStore = OSMesaPixelStore;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	392 this->gl_data->OSMesaGetProcAddress = OSMesaGetProcAddress;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	393
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	394 this->gl_data->glGetIntegerv = glGetIntegerv;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	395 this->gl_data->glFinish = glFinish;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	396 this->gl_data->glFlush = glFlush;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	397
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	398 this->gl_data->OSMesaCreateLDG = NULL;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	399 this->gl_data->OSMesaDestroyLDG = NULL;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	400 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	401 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	402
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	403 /--- Private functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	404
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	405 static void SDL_AtariGL_UnloadLibrary(_THIS)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	406 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	407 #if defined(HAVE_OPENGL)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	408 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	409 SDL_UnloadObject(this->gl_config.dll_handle);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	410 this->gl_config.dll_handle = NULL;
1238 1901fea5edac Load default OpenGL library if needed at driver initialization Patrice Mandin <patmandin@gmail.com> parents: 1005 diff changeset	411 this->gl_config.driver_loaded = 0;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	412
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	413 /* Restore pointers to static library */
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	414 SDL_AtariGL_InitPointers(this);
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	415 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	416 #endif
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	417 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	418
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	419 /--- Creation of an OpenGL context using new/old functions ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	420
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	421 #ifdef HAVE_OPENGL
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	422 static int InitNew(_THIS, SDL_Surface *current)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	423 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	424 GLenum osmesa_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	425 SDL_PixelFormat *pixel_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	426 Uint32 redmask;
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	427 int recreatecontext;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	428 GLint newaccumsize;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	429
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	430 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	431 if (this->gl_data->OSMesaCreateContextExt == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	432 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	433 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	434 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	435
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	436 /* Init OpenGL context using OSMesa */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	437 gl_convert = ConvertNull;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	438 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	439 gl_upsidedown = SDL_FALSE;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	440
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	441 pixel_format = current->format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	442 redmask = pixel_format->Rmask;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	443 switch (pixel_format->BitsPerPixel) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	444 case 15:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	445 /* 1555, big and little endian, unsupported */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	446 gl_pixelsize = 2;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	447 osmesa_format = OSMESA_RGB_565;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	448 if (redmask == 31<<10) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	449 gl_convert = Convert565To555be;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	450 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	451 gl_convert = Convert565To555le;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	452 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	453 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	454 case 16:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	455 gl_pixelsize = 2;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	456 if (redmask == 31<<11) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	457 osmesa_format = OSMESA_RGB_565;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	458 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	459 /* 565, little endian, unsupported */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	460 osmesa_format = OSMESA_RGB_565;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	461 gl_convert = Convert565le;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	462 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	463 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	464 case 24:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	465 gl_pixelsize = 3;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	466 if (redmask == 255<<16) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	467 osmesa_format = OSMESA_RGB;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	468 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	469 osmesa_format = OSMESA_BGR;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	470 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	471 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	472 case 32:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	473 gl_pixelsize = 4;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	474 if (redmask == 255<<16) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	475 osmesa_format = OSMESA_ARGB;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	476 } else if (redmask == 255<<8) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	477 osmesa_format = OSMESA_BGRA;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	478 } else if (redmask == 255<<24) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	479 osmesa_format = OSMESA_RGBA;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	480 } else {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	481 /* ABGR format unsupported */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	482 osmesa_format = OSMESA_BGRA;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	483 gl_convert = ConvertBGRAToABGR;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	484 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	485 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	486 default:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	487 gl_pixelsize = 1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	488 osmesa_format = OSMESA_COLOR_INDEX;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	489 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	490 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	491
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	492 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	493 newaccumsize =
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	494 this->gl_config.accum_red_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	495 this->gl_config.accum_green_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	496 this->gl_config.accum_blue_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	497 this->gl_config.accum_alpha_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	498 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	499 if (gl_ctx &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	500 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	501 (gl_curdepth == this->gl_config.depth_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	502 (gl_curstencil == this->gl_config.stencil_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	503 (gl_curaccum == newaccumsize)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	504 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	505 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	506 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	507 SDL_AtariGL_Quit(this, SDL_FALSE);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	508
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	509 gl_ctx = this->gl_data->OSMesaCreateContextExt(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	510 osmesa_format, this->gl_config.depth_size,
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	511 this->gl_config.stencil_size, newaccumsize, NULL );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	512
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	513 if (gl_ctx) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	514 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	515 gl_curdepth = this->gl_config.depth_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	516 gl_curstencil = this->gl_config.stencil_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	517 gl_curaccum = newaccumsize;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	518 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	519 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	520 gl_curdepth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	521 gl_curstencil = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	522 gl_curaccum = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	523 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	524 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	525
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	526 return (gl_ctx != NULL);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	527 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	528
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	529
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	530 static int InitOld(_THIS, SDL_Surface *current)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	531 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	532 GLenum osmesa_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	533 SDL_PixelFormat *pixel_format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	534 Uint32 redmask;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	535 int recreatecontext, tinygl_present;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	536
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	537 if (this->gl_config.dll_handle) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	538 if (this->gl_data->OSMesaCreateLDG == NULL) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	539 return 0;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	540 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	541 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	542
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	543 /* TinyGL only supports VDI_RGB (OSMESA_RGB) */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	544 tinygl_present=0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	545 if (this->gl_config.dll_handle) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	546 if (this->gl_data->glFinish == NULL) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	547 tinygl_present=1;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	548 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	549 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	550
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	551 /* Init OpenGL context using OSMesa */
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	552 gl_convert = ConvertNull;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	553 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	554 gl_upsidedown = SDL_FALSE;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	555
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	556 pixel_format = current->format;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	557 redmask = pixel_format->Rmask;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	558 switch (pixel_format->BitsPerPixel) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	559 case 15:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	560 /* 15 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	561 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	562 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	563 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	564 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	565 gl_copyshadow = CopyShadowRGBTo555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	566 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	567 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	568 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	569 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	570 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	571 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	572 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	573 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	574 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	575 gl_copyshadow = CopyShadow8888To555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	576 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	577 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	578 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	579 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	580 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	581 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	582 case 16:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	583 /* 16 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	584 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	585 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	586 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	587 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	588 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	589 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	590 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	591 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	592 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	593 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	594 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	595 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	596 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	597 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	598 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	599 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	600 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	601 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	602 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	603 case 24:
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	604 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	605 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	606 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	607 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	608 if (redmask != 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	609 gl_copyshadow = CopyShadowRGBSwap;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	610 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	611 } else {
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	612 gl_copyshadow = CopyShadowDirect;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	613 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	614 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	615 osmesa_format = OSMESA_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	616 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	617 osmesa_format = OSMESA_BGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	618 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	619 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	620 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	621 case 32:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	622 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	623 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	624 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	625 gl_copyshadow = CopyShadowRGBToARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	626 if (redmask == 255) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	627 gl_convert = CopyShadowRGBToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	628 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	629 gl_convert = CopyShadowRGBToBGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	630 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	631 gl_convert = CopyShadowRGBToRGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	632 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	633 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	634 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	635 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	636 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	637 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	638 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	639 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	640 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	641 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	642 osmesa_format = OSMESA_RGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	643 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	644 /* ABGR format unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	645 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	646 gl_convert = ConvertBGRAToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	647 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	648 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	649 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	650 default:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	651 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	652 SDL_AtariGL_Quit(this, SDL_FALSE);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	653 return 0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	654 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	655 gl_pixelsize = 1;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	656 gl_copyshadow = CopyShadowDirect;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	657 osmesa_format = OSMESA_COLOR_INDEX;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	658 break;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	659 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	660
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	661 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	662 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	663 if (gl_shadow &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	664 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	665 (gl_curwidth == current->w) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	666 (gl_curheight == current->h)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	667 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	668 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	669 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	670 SDL_AtariGL_Quit(this, SDL_FALSE);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	671
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	672 gl_shadow = this->gl_data->OSMesaCreateLDG(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	673 osmesa_format, GL_UNSIGNED_BYTE, current->w, current->h
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	674 );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	675
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	676 if (gl_shadow) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	677 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	678 gl_curwidth = current->w;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	679 gl_curheight = current->h;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	680 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	681 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	682 gl_curwidth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	683 gl_curheight = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	684 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	685 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	686
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	687 return (gl_shadow != NULL);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	688 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	689
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	690 /--- Conversions routines from shadow buffer to the screen ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	691
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	692 static void CopyShadowNull(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	693 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	694 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	695
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	696 static void CopyShadowDirect(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	697 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	698 int y, srcpitch, dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	699 Uint8 srcline, dstline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	700
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	701 srcline = gl_shadow;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	702 srcpitch = surface->w * gl_pixelsize;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	703 dstline = surface->pixels;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	704 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	705 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	706 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	707 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	708 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	709
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	710 for (y=0; y<surface->h; y++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	711 memcpy(dstline, srcline, srcpitch);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	712
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	713 srcline += srcpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	714 dstline += dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	715 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	716 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	717
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	718 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	719 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	720 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	721 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	722 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	723
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	724 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	725 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	726 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	727 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	728 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	729 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	730 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	731 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	732
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	733 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	734 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	735 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	736 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	737 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	738
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	739 dstcolor = ((*srccol++)<<7) & (31<<10);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	740 dstcolor \|= ((*srccol++)<<2) & (31<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	741 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	742 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	743 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	744
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	745 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	746 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	747 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	748 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	749
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	750 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	751 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	752 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	753 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	754 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	755
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	756 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	757 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	758 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	759 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	760 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	761 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	762 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	763 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	764
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	765 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	766 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	767 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	768
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	769 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	770 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	771
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	772 dstcolor = ((*srccol++)<<8) & (31<<11);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	773 dstcolor \|= ((*srccol++)<<3) & (63<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	774 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	775 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	776 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	777
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	778 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	779 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	780 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	781 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	782
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	783 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	784 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	785 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	786 Uint8 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	787 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	788
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	789 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	790 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	791 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	792 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	793 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	794 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	795 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	796 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	797
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	798 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	799 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	800 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	801
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	802 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	803 *dstcol++ = srccol[2];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	804 *dstcol++ = srccol[1];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	805 *dstcol++ = srccol[0];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	806 srccol += 3;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	807 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	808
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	809 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	810 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	811 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	812 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	813
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	814 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	815 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	816 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	817 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	818 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	819
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	820 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	821 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	822 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	823 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	824 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	825 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	826 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	827 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	828
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	829 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	830 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	831 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	832
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	833 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	834 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	835
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	836 dstcolor = (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	837 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	838 dstcolor \|= *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	839
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	840 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	841 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	842
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	843 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	844 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	845 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	846 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	847
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	848 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	849 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	850 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	851 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	852 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	853
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	854 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	855 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	856 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	857 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	858 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	859 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	860 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	861 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	862
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	863 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	864 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	865 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	866
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	867 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	868 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	869
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	870 dstcolor = *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	871 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	872 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	873
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	874 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	875 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	876
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	877 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	878 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	879 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	880 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	881
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	882 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	883 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	884 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	885 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	886 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	887
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	888 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	889 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	890 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	891 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	892 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	893 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	894 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	895 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	896
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	897 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	898 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	899 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	900
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	901 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	902 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	903
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	904 dstcolor = (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	905 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	906 dstcolor \|= (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	907
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	908 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	909 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	910
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	911 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	912 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	913 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	914 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	915
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	916 static void CopyShadowRGBToRGBA(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	917 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	918 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	919 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	920 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	921
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	922 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	923 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	924 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	925 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	926 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	927 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	928 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	929 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	930
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	931 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	932 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	933 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	934
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	935 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	936 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	937
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	938 dstcolor = (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	939 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	940 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	941
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	942 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	943 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	944
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	945 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	946 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	947 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	948 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	949
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	950 static void CopyShadow8888To555(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	951 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	952 int x,y, srcpitch, dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	953 Uint16 dstline, dstcol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	954 Uint32 srcline, srccol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	955
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	956 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	957 srcpitch = (surface->w * gl_pixelsize) >>2;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	958 dstline = surface->pixels;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	959 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	960 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	961 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	962 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	963 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	964
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	965 for (y=0; y<surface->h; y++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	966 srccol = srcline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	967 dstcol = dstline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	968 for (x=0; x<surface->w; x++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	969 Uint32 srccolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	970 Uint16 dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	971
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	972 srccolor = *srccol++;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	973 dstcolor = (srccolor>>9) & (31<<10);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	974 dstcolor \|= (srccolor>>6) & (31<<5);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	975 dstcolor \|= (srccolor>>3) & 31;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	976 *dstcol++ = dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	977 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	978
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	979 srcline += srcpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	980 dstline += dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	981 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	982 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	983
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	984 static void CopyShadow8888To565(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	985 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	986 int x,y, srcpitch, dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	987 Uint16 dstline, dstcol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	988 Uint32 srcline, srccol;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	989
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	990 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	991 srcpitch = (surface->w * gl_pixelsize) >> 2;
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	992 dstline = surface->pixels;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	993 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	994 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	995 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	996 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	997 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	998
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	999 for (y=0; y<surface->h; y++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1000 srccol = srcline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1001 dstcol = dstline;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1002
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1003 for (x=0; x<surface->w; x++) {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1004 Uint32 srccolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1005 Uint16 dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1006
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1007 srccolor = *srccol++;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1008 dstcolor = (srccolor>>8) & (31<<11);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1009 dstcolor \|= (srccolor>>5) & (63<<5);
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1010 dstcolor \|= (srccolor>>3) & 31;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1011 *dstcol++ = dstcolor;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1012 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1013
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1014 srcline += srcpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1015 dstline += dstpitch;
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1016 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1017 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1018
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1019 /--- Conversions routines in the screen ---/
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1020
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1021 static void ConvertNull(_THIS, SDL_Surface *surface)
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1022 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1023 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1024
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1025 static void Convert565To555be(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1026 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1027 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1028 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1029
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1030 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1031 pitch = surface->pitch >> 1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1032 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1033 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1034 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1035 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1036
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1037 *pixel++ = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1038 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1039
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1040 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1041 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1042 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1043
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1044 static void Convert565To555le(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1045 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1046 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1047 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1048
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1049 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1050 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1051 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1052 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1053 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1054 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1055
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1056 color = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1057 *pixel++ = SDL_Swap16(color);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1058 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1059
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1060 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1061 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1062 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1063
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1064 static void Convert565le(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1065 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1066 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1067 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1068
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1069 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1070 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1071 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1072 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1073 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1074 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1075
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1076 *pixel++ = SDL_Swap16(color);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1077 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1078
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1079 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1080 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1081 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1082
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	1083 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1084 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1085 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1086 unsigned long line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1087
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1088 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1089 pitch = surface->pitch >>2;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1090 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1091 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1092 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1093 unsigned long color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1094
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1095 *pixel++ = (color<<24)\|(color>>8);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1096 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1097
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1098 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1099 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1100 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1101
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1102 #endif /* HAVE_OPENGL */

Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_atarigl.c @ 1238:1901fea5edac