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

annotate src/video/ataricommon/SDL_atarigl.c @ 1338:604d73db6802

Removed uses of stdlib.h and string.h

author	Sam Lantinga <slouken@libsdl.org>
date	Tue, 07 Feb 2006 09:29:18 +0000
parents	3692456e7b0f
children	c71e05b4dc2e

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
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	27 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	28 #include <GL/osmesa.h>
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	29 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	30
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	31 #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	32
1338 604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	33 #include "SDL_stdlib.h"
604d73db6802 Removed uses of stdlib.h and string.h Sam Lantinga <slouken@libsdl.org> parents: 1336 diff changeset	34 #include "SDL_string.h"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	35 #include "SDL_video.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	36 #include "SDL_error.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	37 #include "SDL_endian.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	38 #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	39 #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	40 #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	41 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	42
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	43 /--- 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	44
12b13601a544 Final touches to OSMesa 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 #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	46 #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	47 #define PATH_TINYGL_LDG "tiny_gl.ldg"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	48
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	49 #define VDI_RGB 0xf
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	50
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	51 /--- Functions prototypes ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	52
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	53 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	54
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	55 #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	56 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	57 static void CopyShadowDirect(_THIS, SDL_Surface *surface);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	58 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	59 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	60 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	61 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	62 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	63 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	64 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	65 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	66 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	67
12b13601a544 Final touches to OSMesa 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 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	69 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	70 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	71 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	72 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	73
12b13601a544 Final touches to OSMesa 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 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	75 static int InitOld(_THIS, SDL_Surface *current);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	76 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	77
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	78 /--- Public functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	79
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	80 int SDL_AtariGL_Init(_THIS, SDL_Surface *current)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	81 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	82 #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	83 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	84 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	85 } 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	86 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	87 }
12b13601a544 Final touches to OSMesa 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 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	89
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	90 return (gl_active);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	91 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	92
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	93 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	94 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	95 #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	96 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	97 /* 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	98 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	99 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 }
12b13601a544 Final touches to OSMesa 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 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	102 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	103 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	104 }
12b13601a544 Final touches to OSMesa 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 } 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	106 /* 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	107 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	108 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	109 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	110 }
12b13601a544 Final touches to OSMesa 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 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	112 }
12b13601a544 Final touches to OSMesa 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
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	115 if (unload) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	116 SDL_AtariGL_UnloadLibrary(this);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	117 }
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	118
12b13601a544 Final touches to OSMesa 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 #endif /* HAVE_OPENGL */
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	120 gl_active = 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	121 }
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 int SDL_AtariGL_LoadLibrary(_THIS, const char *path)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	124 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	125 #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	126
12b13601a544 Final touches to OSMesa 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 #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	128 void *handle;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	129 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	130
12b13601a544 Final touches to OSMesa 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 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	132 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	133 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	134 }
12b13601a544 Final touches to OSMesa 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
1239 cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	136 /* Unload previous driver */
cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	137 SDL_AtariGL_UnloadLibrary(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	138
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	139 /* Load library given by path */
1239 cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	140 handle = SDL_LoadObject(path);
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	141 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	142 /* Try to load another one */
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	143 path = SDL_getenv("SDL_VIDEO_GL_DRIVER");
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	144 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	145 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	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
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	148 /* 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	149 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	150 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	151 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	152 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	155 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	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 (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	160 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	161 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	162 }
12b13601a544 Final touches to OSMesa 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 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	167 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	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
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	170 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	171 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	172 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	173
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	174 cancel_load = SDL_FALSE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	175 if (this->gl_data->glGetIntegerv == NULL) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	176 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	177 } else {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	178 /* 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	179 if ((this->gl_data->glFinish == NULL) &&
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	180 (this->gl_data->glFlush == NULL)) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	181 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	182 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	183 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	184 if (cancel_load) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	185 SDL_SetError("Could not retrieve OpenGL functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	186 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	187 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	188 SDL_AtariGL_InitPointers(this);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	189 return -1;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	190 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	191
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	192 /* 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	193 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	194 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	195 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	196 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	197 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	198
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	199 /* 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	200 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	201 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	202
12b13601a544 Final touches to OSMesa 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 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	204
12b13601a544 Final touches to OSMesa 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 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	206 (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	207 (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	208 (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	209 (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	210 /* 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	211 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	212 (this->gl_data->OSMesaDestroyLDG == NULL)) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	213 SDL_SetError("Could not retrieve OSMesa functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	214 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	215 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	216 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	217 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	218 } 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	219 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	220 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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_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	224 if ( path ) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	225 SDL_strncpy(this->gl_config.driver_path, path,
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	226 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	227 } else {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	228 SDL_strcpy(this->gl_config.driver_path, "");
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	229 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	232 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	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 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	235 #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	236 return -1;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	237 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	238 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	239
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	240 void SDL_AtariGL_GetProcAddress(_THIS, const char proc)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	241 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	242 void *func = NULL;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	243 #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	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 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	246 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	247 } 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	248 func = this->gl_data->OSMesaGetProcAddress(proc);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	249 }
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	250
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	251 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	252 return func;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	253 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	254
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	255 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	256 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	257 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	258 GLenum mesa_attrib;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	259 SDL_Surface *surface;
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 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	262 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	263 }
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 switch(attrib) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	266 case SDL_GL_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	267 mesa_attrib = GL_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	268 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	269 case SDL_GL_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	270 mesa_attrib = GL_GREEN_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	271 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	272 case SDL_GL_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	273 mesa_attrib = GL_BLUE_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	274 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	275 case SDL_GL_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	276 mesa_attrib = GL_ALPHA_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	277 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	278 case SDL_GL_DOUBLEBUFFER:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	279 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	280 *value = ((surface->flags & SDL_DOUBLEBUF)==SDL_DOUBLEBUF);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	281 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	282 case SDL_GL_DEPTH_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	283 mesa_attrib = GL_DEPTH_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	284 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	285 case SDL_GL_STENCIL_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	286 mesa_attrib = GL_STENCIL_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	287 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	288 case SDL_GL_ACCUM_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	289 mesa_attrib = GL_ACCUM_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	290 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	291 case SDL_GL_ACCUM_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	292 mesa_attrib = GL_ACCUM_GREEN_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	293 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	294 case SDL_GL_ACCUM_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	295 mesa_attrib = GL_ACCUM_BLUE_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	296 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	297 case SDL_GL_ACCUM_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	298 mesa_attrib = GL_ACCUM_ALPHA_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	299 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	300 default :
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	301 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	302 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	303
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	304 this->gl_data->glGetIntegerv(mesa_attrib, value);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	305 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	306 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	307 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	308 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	309 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	310
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	311 int SDL_AtariGL_MakeCurrent(_THIS)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	312 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	313 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	314 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	315 GLenum type;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	316
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	317 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	318 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	319 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	320
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	321 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	322 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	323 (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	324 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	325 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	326 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	327
12b13601a544 Final touches to OSMesa 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_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	329 SDL_SetError("Invalid OpenGL context");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	330 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	331 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	332
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	333 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	334
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	335 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	336 type = GL_UNSIGNED_SHORT_5_6_5;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	337 } else {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	338 type = GL_UNSIGNED_BYTE;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	339 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	340
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	341 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	342 SDL_SetError("Can not make OpenGL context current");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	343 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	344 }
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 /* 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	347 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	348
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	349 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	350 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	351 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	352 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	353 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	354
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	355 void SDL_AtariGL_SwapBuffers(_THIS)
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 #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	358 if (gl_active) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	359 if (this->gl_config.dll_handle) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	360 if (this->gl_data->glFinish) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	361 this->gl_data->glFinish();
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	362 } else if (this->gl_data->glFlush) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	363 this->gl_data->glFlush();
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	364 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	365 } else {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	366 this->gl_data->glFinish();
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	367 }
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	368 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	369 gl_convert(this, this->screen);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	370 }
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	371 #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	372 }
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	373
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	374 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	375 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	376 #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	377 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	378 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	379 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	380 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	381 this->gl_data->OSMesaGetProcAddress = OSMesaGetProcAddress;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	382
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	383 this->gl_data->glGetIntegerv = glGetIntegerv;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	384 this->gl_data->glFinish = glFinish;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	385 this->gl_data->glFlush = glFlush;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	386
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	387 this->gl_data->OSMesaCreateLDG = NULL;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	388 this->gl_data->OSMesaDestroyLDG = NULL;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	389 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	390 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	391
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	392 /--- Private functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: 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 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	395 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	396 #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	397 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	398 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	399 this->gl_config.dll_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	400
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	401 /* Restore pointers to static library */
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	402 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	403 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	404 #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	405 }
12b13601a544 Final touches to OSMesa 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 /--- 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	408
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	409 #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	410 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	411 {
12b13601a544 Final touches to OSMesa 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 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	413 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	414 Uint32 redmask;
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	415 int recreatecontext;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	416 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	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 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	419 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	420 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	421 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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 /* 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	425 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	426 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	427 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	428
12b13601a544 Final touches to OSMesa 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 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	430 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	431 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	432 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	433 /* 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	434 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	435 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	436 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	437 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	438 } 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	439 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	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 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	442 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	443 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	444 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	445 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	446 } 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	447 /* 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	448 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	449 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	450 }
12b13601a544 Final touches to OSMesa 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 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	452 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	453 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	454 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	455 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	456 } 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	457 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	458 }
12b13601a544 Final touches to OSMesa 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 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	460 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	461 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	462 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	463 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	464 } 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	465 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	466 } 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	467 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	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 /* 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	470 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	471 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	472 }
12b13601a544 Final touches to OSMesa 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 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	474 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	475 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	476 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	477 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	478 }
12b13601a544 Final touches to OSMesa 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
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	480 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	481 newaccumsize =
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	482 this->gl_config.accum_red_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	483 this->gl_config.accum_green_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	484 this->gl_config.accum_blue_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	485 this->gl_config.accum_alpha_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	486 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	487 if (gl_ctx &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	488 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	489 (gl_curdepth == this->gl_config.depth_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	490 (gl_curstencil == this->gl_config.stencil_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	491 (gl_curaccum == newaccumsize)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	492 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	493 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	494 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	495 SDL_AtariGL_Quit(this, SDL_FALSE);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	496
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	497 gl_ctx = this->gl_data->OSMesaCreateContextExt(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	498 osmesa_format, this->gl_config.depth_size,
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	499 this->gl_config.stencil_size, newaccumsize, NULL );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	500
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	501 if (gl_ctx) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	502 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	503 gl_curdepth = this->gl_config.depth_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	504 gl_curstencil = this->gl_config.stencil_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	505 gl_curaccum = newaccumsize;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	506 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	507 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	508 gl_curdepth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	509 gl_curstencil = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	510 gl_curaccum = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	511 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	512 }
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	513
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	514 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	515 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	516
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	517
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	518 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	519 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	520 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	521 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	522 Uint32 redmask;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	523 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	524
12b13601a544 Final touches to OSMesa 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 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	526 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	527 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	528 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	529 }
12b13601a544 Final touches to OSMesa 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
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	531 /* TinyGL only supports VDI_RGB (OSMESA_RGB) */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	532 tinygl_present=0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	533 if (this->gl_config.dll_handle) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	534 if (this->gl_data->glFinish == NULL) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	535 tinygl_present=1;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	536 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	537 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	538
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	539 /* 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	540 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	541 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	542 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	543
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	544 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	545 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	546 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	547 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	548 /* 15 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	549 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	550 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	551 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	552 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	553 gl_copyshadow = CopyShadowRGBTo555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	554 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	555 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	556 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	557 }
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	558 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	559 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	560 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	561 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	562 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	563 gl_copyshadow = CopyShadow8888To555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	564 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	565 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	566 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	567 }
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	568 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	569 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	570 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	571 /* 16 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	572 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	573 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	574 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	575 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	576 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	577 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	578 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	579 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	580 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	581 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	582 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	583 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	584 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	585 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	586 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	587 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	588 }
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	589 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	590 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	591 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	592 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	593 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	594 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	595 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	596 if (redmask != 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	597 gl_copyshadow = CopyShadowRGBSwap;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	598 }
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	599 } else {
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	600 gl_copyshadow = CopyShadowDirect;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	601 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	602 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	603 osmesa_format = OSMESA_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	604 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	605 osmesa_format = OSMESA_BGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	606 }
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	607 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	608 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	609 case 32:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	610 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	611 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	612 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	613 gl_copyshadow = CopyShadowRGBToARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	614 if (redmask == 255) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	615 gl_convert = CopyShadowRGBToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	616 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	617 gl_convert = CopyShadowRGBToBGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	618 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	619 gl_convert = CopyShadowRGBToRGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	620 }
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	621 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	622 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	623 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	624 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	625 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	626 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	627 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	628 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	629 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	630 osmesa_format = OSMESA_RGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	631 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	632 /* ABGR format unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	633 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	634 gl_convert = ConvertBGRAToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	635 }
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	636 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	637 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	638 default:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	639 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	640 SDL_AtariGL_Quit(this, SDL_FALSE);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	641 return 0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	642 }
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	643 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	644 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	645 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	646 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	647 }
12b13601a544 Final touches to OSMesa 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
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	649 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	650 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	651 if (gl_shadow &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	652 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	653 (gl_curwidth == current->w) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	654 (gl_curheight == current->h)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	655 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	656 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	657 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	658 SDL_AtariGL_Quit(this, SDL_FALSE);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	659
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	660 gl_shadow = this->gl_data->OSMesaCreateLDG(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	661 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	662 );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	663
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	664 if (gl_shadow) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	665 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	666 gl_curwidth = current->w;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	667 gl_curheight = current->h;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	668 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	669 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	670 gl_curwidth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	671 gl_curheight = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	672 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	673 }
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	674
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	675 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	676 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	677
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	678 /--- 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	679
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	680 static void CopyShadowNull(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	681 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	682 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	683
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	684 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	685 {
12b13601a544 Final touches to OSMesa 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 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	687 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	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 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	690 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	691 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	692 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	693 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	694 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	695 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	696 }
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	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 for (y=0; y<surface->h; y++) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	699 SDL_memcpy(dstline, srcline, srcpitch);
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	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 += 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	702 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	703 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	705
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	706 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	707 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	708 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	709 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	710 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	711
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	712 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	713 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	714 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	715 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	716 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	717 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	718 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	719 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	720
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	721 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	722 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	723 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	724 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	725 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	726
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	727 dstcolor = ((*srccol++)<<7) & (31<<10);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	728 dstcolor \|= ((*srccol++)<<2) & (31<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	729 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	730 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	731 }
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 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	734 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	735 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	736 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	737
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	738 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	739 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	740 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	741 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	742 Uint8 srcline, srccol;
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 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	745 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	746 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	747 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	748 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	749 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	750 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	751 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	752
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	753 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	754 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	755 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	756
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	757 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	758 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	759
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	760 dstcolor = ((*srccol++)<<8) & (31<<11);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	761 dstcolor \|= ((*srccol++)<<3) & (63<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	762 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	763 *dstcol++ = dstcolor;
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
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	766 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	767 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	770
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	771 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	772 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	773 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	774 Uint8 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	775 Uint8 srcline, srccol;
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 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	778 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	779 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	780 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	781 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	782 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	783 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	784 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	785
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	786 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	787 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	788 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	789
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	790 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	791 *dstcol++ = srccol[2];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	792 *dstcol++ = srccol[1];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	793 *dstcol++ = srccol[0];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	794 srccol += 3;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	795 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	796
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	797 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	798 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	799 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	800 }
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 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	803 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	804 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	805 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	806 Uint8 srcline, srccol;
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 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	809 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	810 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	811 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	812 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	813 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	814 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	815 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	816
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	817 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	818 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	819 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	820
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	821 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	822 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	823
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	824 dstcolor = (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	825 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	826 dstcolor \|= *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	827
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	828 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	829 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	830
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	831 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	832 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	833 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	834 }
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 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	837 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	838 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	839 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	840 Uint8 srcline, srccol;
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 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	843 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	844 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	845 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	846 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	847 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	848 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	849 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	850
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	851 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	852 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	853 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	854
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	855 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	856 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	857
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	858 dstcolor = *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	859 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	860 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	861
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	862 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	863 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	864
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	865 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	866 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	867 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	868 }
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 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	871 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	872 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	873 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	874 Uint8 srcline, srccol;
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 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	877 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	878 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	879 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	880 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	881 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	882 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	883 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	884
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	885 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	886 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	887 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	888
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	889 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	890 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	891
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	892 dstcolor = (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	893 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	894 dstcolor \|= (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	895
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	896 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	897 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	898
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	899 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	900 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	901 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	902 }
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 static void CopyShadowRGBToRGBA(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	905 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	906 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	907 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	908 Uint8 srcline, srccol;
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 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	911 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	912 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	913 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	914 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	915 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	916 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	917 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	918
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	919 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	920 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	921 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	922
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	923 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	924 Uint32 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	925
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	926 dstcolor = (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	927 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	928 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	929
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	930 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	931 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	932
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	933 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	934 dstline += dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	935 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	936 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	937
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	938 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	939 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	940 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	941 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	942 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	943
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	944 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	945 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	946 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	947 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	948 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	949 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	950 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	951 }
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	952
12b13601a544 Final touches to OSMesa 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 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	954 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	955 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	956 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	957 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	958 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	959
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	960 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	961 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	962 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	963 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	964 *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	965 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	968 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	969 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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 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	973 {
12b13601a544 Final touches to OSMesa 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 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	975 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	976 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	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 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	979 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	980 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	981 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	982 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	983 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	984 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	985 }
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	986
12b13601a544 Final touches to OSMesa 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 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	988 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	989 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	990
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	991 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	992 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	993 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	994
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	995 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	996 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	997 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	998 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	999 *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	1000 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	1003 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	1004 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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 /--- 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	1008
12b13601a544 Final touches to OSMesa 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 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	1010 {
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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 static void Convert565To555be(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1014 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1015 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1016 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1017
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1018 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1019 pitch = surface->pitch >> 1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1020 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1021 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1022 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1023 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1024
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1025 *pixel++ = (color & 0x1f)\|((color>>1) & 0xffe0);
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
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1028 line += pitch;
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 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1031
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	1032 static void Convert565To555le(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1033 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1034 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1035 unsigned short line, 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 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1038 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1039 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1040 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1041 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1042 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1043
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1044 color = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1045 *pixel++ = SDL_Swap16(color);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1046 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1047
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1048 line += pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1049 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1050 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1051
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	1052 static void Convert565le(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1053 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1054 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1055 unsigned short line, pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1056
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1057 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1058 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1059 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1060 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1061 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1062 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1063
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1064 *pixel++ = SDL_Swap16(color);
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
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1067 line += pitch;
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 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1070
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	1071 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1072 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1073 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1074 unsigned long line, 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 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1077 pitch = surface->pitch >>2;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1078 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1079 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1080 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1081 unsigned long color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1082
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1083 *pixel++ = (color<<24)\|(color>>8);
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
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1086 line += pitch;
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 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1089
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1090 #endif /* HAVE_OPENGL */

Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_atarigl.c @ 1338:604d73db6802