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

annotate src/video/ataricommon/SDL_atarigl.c @ 1358:c71e05b4dc2e

More header massaging... works great on Windows. ;-)

author	Sam Lantinga <slouken@libsdl.org>
date	Fri, 10 Feb 2006 06:48:43 +0000
parents	604d73db6802
children	19418e4422cb

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
1358 c71e05b4dc2e More header massaging... works great on Windows. ;-) Sam Lantinga <slouken@libsdl.org> parents: 1338 diff changeset	33 #include "SDL_endian.h"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	34 #include "SDL_video.h"
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	35 #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	36 #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	37 #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	38 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	39
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	40 /--- 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	41
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	42 #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	43 #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	44 #define PATH_TINYGL_LDG "tiny_gl.ldg"
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	45
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	46 #define VDI_RGB 0xf
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	47
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	48 /--- Functions prototypes ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	49
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	50 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	51
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	52 #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	53 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	54 static void CopyShadowDirect(_THIS, SDL_Surface *surface);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	55 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	56 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	57 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	58 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	59 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	60 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	61 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	62 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	63 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	64
12b13601a544 Final touches to OSMesa 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 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	66 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	67 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	68 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	69 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	70
12b13601a544 Final touches to OSMesa 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 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	72 static int InitOld(_THIS, SDL_Surface *current);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	73 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	74
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	75 /--- Public functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	76
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	77 int SDL_AtariGL_Init(_THIS, SDL_Surface *current)
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	78 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	79 #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	80 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	81 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	82 } 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	83 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	84 }
12b13601a544 Final touches to OSMesa 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 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	86
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	87 return (gl_active);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	88 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	89
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	90 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	91 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	92 #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	93 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	94 /* 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	95 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	96 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	97 }
12b13601a544 Final touches to OSMesa 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 (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	99 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	100 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	101 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	102 } 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	103 /* 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	104 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	105 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	106 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	107 }
12b13601a544 Final touches to OSMesa 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 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	109 }
12b13601a544 Final touches to OSMesa 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
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	112 if (unload) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	113 SDL_AtariGL_UnloadLibrary(this);
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	114 }
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	115
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	116 #endif /* HAVE_OPENGL */
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	117 gl_active = 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	118 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	119
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	120 int SDL_AtariGL_LoadLibrary(_THIS, const char *path)
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 #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	123
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	124 #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	125 void *handle;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	126 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	127
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	128 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	129 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	130 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	131 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	132
1239 cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	133 /* Unload previous driver */
cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	134 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	135
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	136 /* Load library given by path */
1239 cbdb2c156aca Rollback Patrice Mandin <patmandin@gmail.com> parents: 1238 diff changeset	137 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	138 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	139 /* Try to load another one */
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	140 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	141 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	142 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	143 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 /* 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	146 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	147 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	148 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	149 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	152 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	153 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	154 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	157 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	158 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	159 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	163 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	164 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	165 }
12b13601a544 Final touches to OSMesa 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
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	167 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	168 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	169 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	170
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	171 cancel_load = SDL_FALSE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	172 if (this->gl_data->glGetIntegerv == NULL) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	173 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	174 } else {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	175 /* 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	176 if ((this->gl_data->glFinish == NULL) &&
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	177 (this->gl_data->glFlush == NULL)) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	178 cancel_load = SDL_TRUE;
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	179 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	180 }
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	181 if (cancel_load) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	182 SDL_SetError("Could not retrieve OpenGL functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	183 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	184 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	185 SDL_AtariGL_InitPointers(this);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	186 return -1;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	187 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	188
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	189 /* 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	190 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	191 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	192 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	193 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	194 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	195
12b13601a544 Final touches to OSMesa 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 /* 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	197 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	198 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	199
12b13601a544 Final touches to OSMesa 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 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	201
12b13601a544 Final touches to OSMesa 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 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	203 (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	204 (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	205 (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	206 (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	207 /* 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	208 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	209 (this->gl_data->OSMesaDestroyLDG == NULL)) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	210 SDL_SetError("Could not retrieve OSMesa functions");
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	211 SDL_UnloadObject(handle);
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	212 /* Restore pointers to static library */
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	213 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	214 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	215 } 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	216 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	217 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	220 this->gl_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	221 if ( path ) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	222 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	223 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	224 } else {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1239 diff changeset	225 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	226 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	228 #endif
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	229 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	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 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	232 #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	233 return -1;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	234 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	235 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	236
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	237 void SDL_AtariGL_GetProcAddress(_THIS, const char proc)
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 void *func = NULL;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	240 #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	241
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	242 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	243 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	244 } 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	245 func = this->gl_data->OSMesaGetProcAddress(proc);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	246 }
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	247
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	248 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	249 return func;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	250 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	251
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	252 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	253 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	254 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	255 GLenum mesa_attrib;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	256 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	257
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	258 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	259 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	260 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	261
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	262 switch(attrib) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	263 case SDL_GL_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	264 mesa_attrib = GL_RED_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	265 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	266 case SDL_GL_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	267 mesa_attrib = GL_GREEN_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_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	270 mesa_attrib = GL_BLUE_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_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	273 mesa_attrib = GL_ALPHA_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_DOUBLEBUFFER:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	276 surface = this->screen;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	277 *value = ((surface->flags & SDL_DOUBLEBUF)==SDL_DOUBLEBUF);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	278 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	279 case SDL_GL_DEPTH_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	280 mesa_attrib = GL_DEPTH_BITS;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	281 break;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	282 case SDL_GL_STENCIL_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	283 mesa_attrib = GL_STENCIL_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_ACCUM_RED_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	286 mesa_attrib = GL_ACCUM_RED_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_GREEN_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	289 mesa_attrib = GL_ACCUM_GREEN_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_BLUE_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	292 mesa_attrib = GL_ACCUM_BLUE_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_ALPHA_SIZE:
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	295 mesa_attrib = GL_ACCUM_ALPHA_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 default :
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	298 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	299 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	300
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	301 this->gl_data->glGetIntegerv(mesa_attrib, value);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	302 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	303 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	304 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	305 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	306 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	307
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	308 int SDL_AtariGL_MakeCurrent(_THIS)
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 #ifdef HAVE_OPENGL
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	311 SDL_Surface *surface;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	312 GLenum type;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	313
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	314 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	315 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	316 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	319 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	320 (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	321 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	322 }
12b13601a544 Final touches to OSMesa 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 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 if (!gl_active) {
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	326 SDL_SetError("Invalid OpenGL context");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	327 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	328 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	329
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	330 surface = this->screen;
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 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	333 type = GL_UNSIGNED_SHORT_5_6_5;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	334 } else {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	335 type = GL_UNSIGNED_BYTE;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	336 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	337
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	338 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	339 SDL_SetError("Can not make OpenGL context current");
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	340 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	341 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	342
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	343 /* 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	344 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	345
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	346 return 0;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	347 #else
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	348 return -1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	349 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	350 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	351
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	352 void SDL_AtariGL_SwapBuffers(_THIS)
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 #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	355 if (gl_active) {
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	356 if (this->gl_config.dll_handle) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	357 if (this->gl_data->glFinish) {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	358 this->gl_data->glFinish();
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	359 } else if (this->gl_data->glFlush) {
22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	360 this->gl_data->glFlush();
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	361 }
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	362 } else {
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	363 this->gl_data->glFinish();
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	364 }
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	365 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	366 gl_convert(this, this->screen);
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: 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 #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	369 }
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 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	372 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	373 #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	374 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	375 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	376 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	377 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	378 this->gl_data->OSMesaGetProcAddress = OSMesaGetProcAddress;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	379
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	380 this->gl_data->glGetIntegerv = glGetIntegerv;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	381 this->gl_data->glFinish = glFinish;
995 22fc5f45bbb7 TinyGL does not have glFinish, only glFlush Patrice Mandin <patmandin@gmail.com> parents: 993 diff changeset	382 this->gl_data->glFlush = glFlush;
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	383
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	384 this->gl_data->OSMesaCreateLDG = NULL;
2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	385 this->gl_data->OSMesaDestroyLDG = NULL;
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	386 #endif
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	387 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	388
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	389 /--- Private functions ---/
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	390
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	391 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	392 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	393 #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	394 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	395 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	396 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	397
12b13601a544 Final touches to OSMesa 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 /* Restore pointers to static library */
993 2662da16d668 Forgot to flush OpenGL buffer using glFinish Patrice Mandin <patmandin@gmail.com> parents: 992 diff changeset	399 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	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 #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	402 }
12b13601a544 Final touches to OSMesa 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 /--- 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	405
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	406 #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	407 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	408 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	409 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	410 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	411 Uint32 redmask;
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	412 int recreatecontext;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	413 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	414
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	415 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	416 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	417 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	418 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	419 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 /* 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	422 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	423 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	424 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	425
12b13601a544 Final touches to OSMesa 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 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	427 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	428 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	429 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	430 /* 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	431 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	432 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	433 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	434 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	435 } 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	436 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	437 }
12b13601a544 Final touches to OSMesa 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 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	439 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	440 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	441 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	442 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	443 } 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	444 /* 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	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 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	447 }
12b13601a544 Final touches to OSMesa 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 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	449 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	450 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	451 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	452 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	453 } 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	454 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	455 }
12b13601a544 Final touches to OSMesa 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 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	457 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	458 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	459 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	460 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	461 } 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	462 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	463 } 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	464 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	465 } 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	466 /* 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	467 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	468 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	469 }
12b13601a544 Final touches to OSMesa 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 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	471 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	472 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	473 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	474 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	475 }
12b13601a544 Final touches to OSMesa 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
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	477 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	478 newaccumsize =
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	479 this->gl_config.accum_red_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	480 this->gl_config.accum_green_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	481 this->gl_config.accum_blue_size +
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	482 this->gl_config.accum_alpha_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	483 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	484 if (gl_ctx &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	485 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	486 (gl_curdepth == this->gl_config.depth_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	487 (gl_curstencil == this->gl_config.stencil_size) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	488 (gl_curaccum == newaccumsize)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	489 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	490 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	491 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	492 SDL_AtariGL_Quit(this, SDL_FALSE);
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 gl_ctx = this->gl_data->OSMesaCreateContextExt(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	495 osmesa_format, this->gl_config.depth_size,
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	496 this->gl_config.stencil_size, newaccumsize, NULL );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	497
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	498 if (gl_ctx) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	499 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	500 gl_curdepth = this->gl_config.depth_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	501 gl_curstencil = this->gl_config.stencil_size;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	502 gl_curaccum = newaccumsize;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	503 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	504 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	505 gl_curdepth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	506 gl_curstencil = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	507 gl_curaccum = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	508 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	509 }
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	510
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	511 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	512 }
12b13601a544 Final touches to OSMesa 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
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	514
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	515 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	516 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	517 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	518 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	519 Uint32 redmask;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	520 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	521
12b13601a544 Final touches to OSMesa 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 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	523 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	524 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	525 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	526 }
12b13601a544 Final touches to OSMesa 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
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	528 /* TinyGL only supports VDI_RGB (OSMESA_RGB) */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	529 tinygl_present=0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	530 if (this->gl_config.dll_handle) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	531 if (this->gl_data->glFinish == NULL) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	532 tinygl_present=1;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	533 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	534 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	535
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	536 /* 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	537 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	538 gl_copyshadow = CopyShadowNull;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	539 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	540
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	541 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	542 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	543 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	544 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	545 /* 15 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	546 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	547 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	548 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	549 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	550 gl_copyshadow = CopyShadowRGBTo555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	551 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	552 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	553 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	554 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	555 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	556 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	557 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	558 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	559 if (redmask == 31<<10) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	560 gl_copyshadow = CopyShadow8888To555;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	561 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	562 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	563 gl_convert = Convert565To555le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	564 }
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	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	566 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	567 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	568 /* 16 bits unsupported */
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	569 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	570 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	571 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	572 gl_copyshadow = CopyShadowRGBTo565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	573 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	574 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	575 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	576 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	577 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	578 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	579 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	580 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	581 gl_copyshadow = CopyShadow8888To565;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	582 if (redmask != 31<<11) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	583 /* 565, little endian, unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	584 gl_convert = Convert565le;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	585 }
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	586 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	587 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	588 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	589 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	590 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	591 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	592 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	593 if (redmask != 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	594 gl_copyshadow = CopyShadowRGBSwap;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	595 }
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	596 } else {
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	597 gl_copyshadow = CopyShadowDirect;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	598 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	599 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	600 osmesa_format = OSMESA_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	601 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	602 osmesa_format = OSMESA_BGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	603 }
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	604 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	605 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	606 case 32:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	607 if (tinygl_present) {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	608 gl_pixelsize = 3;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	609 osmesa_format = VDI_RGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	610 gl_copyshadow = CopyShadowRGBToARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	611 if (redmask == 255) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	612 gl_convert = CopyShadowRGBToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	613 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	614 gl_convert = CopyShadowRGBToBGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	615 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	616 gl_convert = CopyShadowRGBToRGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	617 }
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	618 } else {
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	619 gl_pixelsize = 4;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	620 gl_upsidedown = SDL_TRUE;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	621 gl_copyshadow = CopyShadowDirect;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	622 if (redmask == 255<<16) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	623 osmesa_format = OSMESA_ARGB;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	624 } else if (redmask == 255<<8) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	625 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	626 } else if (redmask == 255<<24) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	627 osmesa_format = OSMESA_RGBA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	628 } else {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	629 /* ABGR format unsupported */
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	630 osmesa_format = OSMESA_BGRA;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	631 gl_convert = ConvertBGRAToABGR;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	632 }
991 12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	633 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	634 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	635 default:
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	636 if (tinygl_present) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	637 SDL_AtariGL_Quit(this, SDL_FALSE);
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	638 return 0;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	639 }
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	640 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	641 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	642 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	643 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	644 }
12b13601a544 Final touches to OSMesa 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
992 0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	646 /* Try to keep current context if possible */
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	647 recreatecontext=1;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	648 if (gl_shadow &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	649 (gl_curformat == osmesa_format) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	650 (gl_curwidth == current->w) &&
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	651 (gl_curheight == current->h)) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	652 recreatecontext = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	653 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	654 if (recreatecontext) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	655 SDL_AtariGL_Quit(this, SDL_FALSE);
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 gl_shadow = this->gl_data->OSMesaCreateLDG(
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	658 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	659 );
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	660
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	661 if (gl_shadow) {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	662 gl_curformat = osmesa_format;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	663 gl_curwidth = current->w;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	664 gl_curheight = current->h;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	665 } else {
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	666 gl_curformat = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	667 gl_curwidth = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	668 gl_curheight = 0;
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	669 }
0324ce32b2d9 Keep current OpenGL context when possible Patrice Mandin <patmandin@gmail.com> parents: 991 diff changeset	670 }
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	671
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	672 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	673 }
12b13601a544 Final touches to OSMesa 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 /--- 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	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 static void CopyShadowNull(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	678 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	679 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	680
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	681 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	682 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	683 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	684 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	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 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	687 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	688 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	689 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	690 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	691 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	692 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	693 }
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	694
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	695 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	696 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	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 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	699 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	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 }
12b13601a544 Final touches to OSMesa 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
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	703 static void CopyShadowRGBTo555(_THIS, SDL_Surface *surface)
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	704 {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	705 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	706 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	707 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	708
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	709 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	710 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	711 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	712 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	713 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	714 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	715 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	716 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	717
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	718 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	719 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	720 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	721 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	722 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	723
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	724 dstcolor = ((*srccol++)<<7) & (31<<10);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	725 dstcolor \|= ((*srccol++)<<2) & (31<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	726 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	727 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	728 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	729
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	730 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	731 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	734
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	735 static void CopyShadowRGBTo565(_THIS, SDL_Surface *surface)
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 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	738 Uint16 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	739 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	740
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	741 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	742 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	743 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	744 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	745 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	746 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	747 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	748 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	749
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	750 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	751 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	752 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	753
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	754 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	755 Uint16 dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	756
1003 ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	757 dstcolor = ((*srccol++)<<8) & (31<<11);
ece5ab8acd1c Wrong RGB24 to RGB16 conversion Patrice Mandin <patmandin@gmail.com> parents: 1002 diff changeset	758 dstcolor \|= ((*srccol++)<<3) & (63<<5);
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	759 dstcolor \|= ((*srccol++)>>3) & 31;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	760 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	761 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	762
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	763 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	764 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	767
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	768 static void CopyShadowRGBSwap(_THIS, SDL_Surface *surface)
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 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	771 Uint8 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	772 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	773
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	774 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	775 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	776 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	777 dstpitch = surface->pitch;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	778 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	779 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	780 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	781 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	782
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	783 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	784 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	785 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	786
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	787 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	788 *dstcol++ = srccol[2];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	789 *dstcol++ = srccol[1];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	790 *dstcol++ = srccol[0];
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	791 srccol += 3;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	792 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	793
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	794 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	795 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	798
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	799 static void CopyShadowRGBToARGB(_THIS, SDL_Surface *surface)
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 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	802 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	803 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	804
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	805 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	806 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	807 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	808 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	809 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	810 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	811 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	812 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	813
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	814 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	815 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	816 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	817
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	818 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	819 Uint32 dstcolor;
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 dstcolor = (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	822 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	823 dstcolor \|= *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	824
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	825 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	826 }
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 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	829 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	832
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	833 static void CopyShadowRGBToABGR(_THIS, SDL_Surface *surface)
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 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	836 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	837 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	838
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	839 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	840 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	841 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	842 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	843 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	844 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	845 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	846 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	847
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	848 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	849 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	850 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	851
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	852 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	853 Uint32 dstcolor;
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 dstcolor = *srccol++;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	856 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	857 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	858
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	859 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	860 }
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 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	863 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	866
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	867 static void CopyShadowRGBToBGRA(_THIS, SDL_Surface *surface)
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 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	870 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	871 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	872
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	873 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	874 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	875 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	876 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	877 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	878 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	879 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	880 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	881
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	882 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	883 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	884 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	885
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	886 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	887 Uint32 dstcolor;
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 dstcolor = (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	890 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	891 dstcolor \|= (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	892
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	893 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	894 }
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 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	897 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	900
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	901 static void CopyShadowRGBToRGBA(_THIS, SDL_Surface *surface)
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 int x,y, srcpitch, dstpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	904 Uint32 dstline, dstcol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	905 Uint8 srcline, srccol;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	906
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	907 srcline = (Uint8 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	908 srcpitch = surface->w * gl_pixelsize;
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	909 dstline = surface->pixels;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	910 dstpitch = surface->pitch >>2;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	911 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	912 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	913 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	914 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	915
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	916 for (y=0; y<surface->h; y++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	917 srccol = srcline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	918 dstcol = dstline;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	919
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	920 for (x=0; x<surface->w; x++) {
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	921 Uint32 dstcolor;
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 dstcolor = (*srccol++)<<24;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	924 dstcolor \|= (*srccol++)<<16;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	925 dstcolor \|= (*srccol++)<<8;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	926
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	927 *dstcol++ = dstcolor;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	928 }
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 srcline += srcpitch;
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	931 dstline += dstpitch;
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 }
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	934
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	935 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	936 {
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	937 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	938 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	939 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	940
12b13601a544 Final touches to OSMesa 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 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	942 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	943 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	944 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	945 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	946 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	947 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	948 }
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	949
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	950 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	951 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	952 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	953 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	954 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	955 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	956
12b13601a544 Final touches to OSMesa 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 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	958 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	959 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	960 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	961 *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	962 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	965 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	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 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 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	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 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	972 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	973 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	974
12b13601a544 Final touches to OSMesa 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 srcline = (Uint32 *)gl_shadow;
1002 13aa96c76e86 Wrong pixel size for source buffer for old drivers Patrice Mandin <patmandin@gmail.com> parents: 1000 diff changeset	976 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	977 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	978 dstpitch = surface->pitch >>1;
1005 2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	979 if (gl_upsidedown) {
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	980 srcline += (surface->h-1)*srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	981 srcpitch = -srcpitch;
2ab1cb02a44e Some Atari OpenGL implementations draw upside down Patrice Mandin <patmandin@gmail.com> parents: 1003 diff changeset	982 }
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	983
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	984 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	985 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	986 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	987
12b13601a544 Final touches to OSMesa 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 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	989 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	990 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	991
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	992 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	993 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	994 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	995 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	996 *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	997 }
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	998
12b13601a544 Final touches to OSMesa OpenGL support on Atari, using loadable libraries. Hope SDL 1.2.8 is out soon. Patrice Mandin <patmandin@gmail.com> parents: 989 diff changeset	999 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	1000 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	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 }
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 /--- 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	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 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	1007 {
12b13601a544 Final touches to OSMesa 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
12b13601a544 Final touches to OSMesa 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 static void Convert565To555be(_THIS, SDL_Surface *surface)
989 475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1011 {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1012 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1013 unsigned short line, pixel;
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 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1016 pitch = surface->pitch >> 1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1017 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1018 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1019 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1020 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1021
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1022 *pixel++ = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1023 }
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 line += pitch;
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
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	1029 static void Convert565To555le(_THIS, SDL_Surface *surface)
989 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 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1032 unsigned short line, pixel;
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 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1035 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1036 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1037 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1038 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1039 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1040
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1041 color = (color & 0x1f)\|((color>>1) & 0xffe0);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1042 *pixel++ = SDL_Swap16(color);
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
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1045 line += pitch;
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
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	1049 static void Convert565le(_THIS, SDL_Surface *surface)
989 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 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1052 unsigned short line, pixel;
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 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1055 pitch = surface->pitch >>1;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1056 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1057 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1058 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1059 unsigned short color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1060
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1061 *pixel++ = SDL_Swap16(color);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1062 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1063
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1064 line += pitch;
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
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	1068 static void ConvertBGRAToABGR(_THIS, SDL_Surface *surface)
989 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 int x,y, pitch;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1071 unsigned long line, pixel;
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 line = surface->pixels;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1074 pitch = surface->pitch >>2;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1075 for (y=0; y<surface->h; y++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1076 pixel = line;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1077 for (x=0; x<surface->w; x++) {
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1078 unsigned long color = *pixel;
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1079
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1080 *pixel++ = (color<<24)\|(color>>8);
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1081 }
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1082
475166d13b44 Factorize OSMesa OpenGL code for Atari drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1083 line += pitch;
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 }
1000 fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1086
fbeac9312843 TinyGL only support RGB24 color buffer Patrice Mandin <patmandin@gmail.com> parents: 995 diff changeset	1087 #endif /* HAVE_OPENGL */

Mercurial > sdl-ios-xcode

annotate src/video/ataricommon/SDL_atarigl.c @ 1358:c71e05b4dc2e