21 #include "../../SDL_internal.h" 23 #if SDL_VIDEO_RENDER_OGL && !SDL_RENDER_DISABLED 29 #include "../SDL_sysrender.h" 33 #include <OpenGL/OpenGL.h> 40 #define RENDERER_CONTEXT_MAJOR 2 41 #define RENDERER_CONTEXT_MINOR 1 52 static const float inv255f = 1.0f / 255.0f;
65 const Uint8 *Yplane,
int Ypitch,
66 const Uint8 *Uplane,
int Upitch,
67 const Uint8 *Vplane,
int Vpitch);
105 typedef struct GL_FBOList GL_FBOList;
119 SDL_bool GL_ARB_debug_output_supported;
121 char **error_messages;
123 GLvoid *next_error_userparam;
125 SDL_bool GL_ARB_texture_non_power_of_two_supported;
126 SDL_bool GL_ARB_texture_rectangle_supported;
133 SDL_bool GL_EXT_framebuffer_object_supported;
137 #define SDL_PROC(ret,func,params) ret (APIENTRY *func) params; 142 SDL_bool GL_ARB_multitexture_supported;
144 GLint num_texture_units;
146 PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT;
147 PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT;
148 PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT;
149 PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT;
150 PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT;
179 GL_TranslateError (
GLenum error)
181 #define GL_ERROR_TRANSLATE(e) case e: return #e; 194 #undef GL_ERROR_TRANSLATE 202 if (!data->debug_enabled)
206 if (data->GL_ARB_debug_output_supported) {
209 for (i = 0; i < data->errors; ++
i) {
215 data->error_messages =
NULL;
225 GL_CheckAllErrors (
const char *prefix,
SDL_Renderer *renderer,
const char *file,
int line,
const char *
function)
227 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
230 if (!data->debug_enabled)
234 if (data->GL_ARB_debug_output_supported) {
237 for (i = 0; i < data->errors; ++
i) {
238 SDL_SetError(
"%s: %s (%d): %s %s", prefix, file, line,
function, data->error_messages[i]);
241 GL_ClearErrors(renderer);
246 GLenum error = data->glGetError();
248 if (prefix ==
NULL || prefix[0] ==
'\0') {
251 SDL_SetError(
"%s: %s (%d): %s %s (0x%X)", prefix, file, line,
function, GL_TranslateError(error), error);
262 #define GL_CheckError(prefix, renderer) 263 #elif defined(_MSC_VER) || defined(__WATCOMC__) 264 #define GL_CheckError(prefix, renderer) GL_CheckAllErrors(prefix, renderer, __FILE__, __LINE__, __FUNCTION__) 266 #define GL_CheckError(prefix, renderer) GL_CheckAllErrors(prefix, renderer, __FILE__, __LINE__, __PRETTY_FUNCTION__) 270 GL_LoadFunctions(GL_RenderData * data)
272 #ifdef __SDL_NOGETPROCADDR__ 273 #define SDL_PROC(ret,func,params) data->func=func; 275 #define SDL_PROC(ret,func,params) \ 277 data->func = SDL_GL_GetProcAddress(#func); \ 278 if ( ! data->func ) { \ 279 return SDL_SetError("Couldn't load GL function %s: %s", #func, SDL_GetError()); \ 294 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
296 if (SDL_CurrentContext != data->context ||
301 SDL_CurrentContext = data->context;
303 GL_UpdateViewport(renderer);
306 GL_ClearErrors(renderer);
315 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
318 GL_UpdateViewport(renderer);
320 GL_ActivateRenderer(renderer);
324 data->current.color = 0xffffffff;
333 data->glLoadIdentity();
335 GL_CheckError(
"", renderer);
342 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
346 int errors = data->errors + 1;
347 char **error_messages =
SDL_realloc(data->error_messages, errors *
sizeof(*data->error_messages));
348 if (error_messages) {
349 data->errors = errors;
350 data->error_messages = error_messages;
351 data->error_messages[data->errors-1] =
SDL_strdup(message);
356 if (data->next_error_callback) {
357 data->next_error_callback(source, type,
id, severity, length, message, data->next_error_userparam);
370 GL_FBOList *
result = data->framebuffers;
372 while (result && ((result->w != w) || (result->h != h))) {
373 result = result->next;
381 data->glGenFramebuffersEXT(1, &result->FBO);
382 result->next = data->framebuffers;
383 data->framebuffers =
result;
396 int profile_mask = 0, major = 0, minor = 0;
423 data = (GL_RenderData *)
SDL_calloc(1,
sizeof(*data));
425 GL_DestroyRenderer(renderer);
453 renderer->
info = GL_RenderDriver.
info;
459 if (!data->context) {
460 GL_DestroyRenderer(renderer);
464 GL_DestroyRenderer(renderer);
468 if (GL_LoadFunctions(data) < 0) {
469 GL_DestroyRenderer(renderer);
495 PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC)
SDL_GL_GetProcAddress(
"glDebugMessageCallbackARB");
497 data->GL_ARB_debug_output_supported =
SDL_TRUE;
500 glDebugMessageCallbackARBFunc(GL_HandleDebugMessage, renderer);
507 data->GL_ARB_texture_non_power_of_two_supported =
SDL_TRUE;
510 data->GL_ARB_texture_rectangle_supported =
SDL_TRUE;
512 if (data->GL_ARB_texture_rectangle_supported) {
525 if (data->glActiveTextureARB) {
526 data->GL_ARB_multitexture_supported =
SDL_TRUE;
536 data->shaders ?
"ENABLED" :
"DISABLED");
539 if (data->shaders && data->num_texture_units >= 3) {
551 data->GL_EXT_framebuffer_object_supported =
SDL_TRUE;
552 data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)
554 data->glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)
556 data->glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)
558 data->glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)
560 data->glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)
564 data->framebuffers =
NULL;
567 GL_ResetState(renderer);
572 if (changed_window) {
589 SDL_CurrentContext =
NULL;
594 GL_GetOutputSize(
SDL_Renderer * renderer,
int *w,
int *h)
660 if (colorOperation != alphaOperation) {
667 power_of_2(
int input)
671 while (value < input) {
681 switch (pixel_format) {
713 if (!hint || *hint ==
'0' ||
SDL_strcasecmp(hint,
"nearest") == 0) {
723 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
724 GL_TextureData *data;
725 GLint internalFormat;
727 int texture_w, texture_h;
730 GL_ActivateRenderer(renderer);
733 !renderdata->GL_EXT_framebuffer_object_supported) {
734 return SDL_SetError(
"Render targets not supported by OpenGL");
737 if (!convert_format(renderdata, texture->
format, &internalFormat,
739 return SDL_SetError(
"Texture format %s not supported by OpenGL",
743 data = (GL_TextureData *)
SDL_calloc(1,
sizeof(*data));
751 size = texture->
h * data->pitch;
755 size += 2 * ((texture->
h + 1) / 2) * ((data->pitch + 1) / 2);
760 size += 2 * ((texture->
h + 1) / 2) * ((data->pitch + 1) / 2);
770 data->fbo = GL_GetFBO(renderdata, texture->
w, texture->
h);
775 GL_CheckError(
"", renderer);
776 renderdata->glGenTextures(1, &data->texture);
777 if (GL_CheckError(
"glGenTextures()", renderer) < 0) {
786 if (renderdata->GL_ARB_texture_non_power_of_two_supported) {
788 texture_w = texture->
w;
789 texture_h = texture->
h;
792 }
else if (renderdata->GL_ARB_texture_rectangle_supported) {
794 texture_w = texture->
w;
795 texture_h = texture->
h;
796 data->texw = (
GLfloat) texture_w;
797 data->texh = (
GLfloat) texture_h;
800 texture_w = power_of_2(texture->
w);
801 texture_h = power_of_2(texture->
h);
802 data->texw = (
GLfloat) (texture->
w) / texture_w;
803 data->texh = (
GLfloat) texture->
h / texture_h;
807 data->formattype =
type;
809 renderdata->glEnable(data->type);
810 renderdata->glBindTexture(data->type, data->texture);
823 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE 824 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC 826 #ifndef STORAGE_CACHED_APPLE 827 #define STORAGE_CACHED_APPLE 0x85BE 829 #ifndef STORAGE_SHARED_APPLE 830 #define STORAGE_SHARED_APPLE 0x85BF 841 && (texture->
w % 8) == 0) {
846 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
847 texture_h, 0, format, type, data->pixels);
853 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
854 texture_h, 0, format, type,
NULL);
856 renderdata->glDisable(data->type);
857 if (GL_CheckError(
"glTexImage2D()", renderer) < 0) {
865 renderdata->glGenTextures(1, &data->utexture);
866 renderdata->glGenTextures(1, &data->vtexture);
867 renderdata->glEnable(data->type);
869 renderdata->glBindTexture(data->type, data->utexture);
878 renderdata->glTexImage2D(data->type, 0, internalFormat, (texture_w+1)/2,
879 (texture_h+1)/2, 0, format, type,
NULL);
881 renderdata->glBindTexture(data->type, data->vtexture);
890 renderdata->glTexImage2D(data->type, 0, internalFormat, (texture_w+1)/2,
891 (texture_h+1)/2, 0, format, type,
NULL);
893 renderdata->glDisable(data->type);
900 renderdata->glGenTextures(1, &data->utexture);
901 renderdata->glEnable(data->type);
903 renderdata->glBindTexture(data->type, data->utexture);
914 renderdata->glDisable(data->type);
917 return GL_CheckError(
"", renderer);
924 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
925 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
930 GL_ActivateRenderer(renderer);
932 renderdata->glEnable(data->type);
933 renderdata->glBindTexture(data->type, data->texture);
936 renderdata->glTexSubImage2D(data->type, 0, rect->
x, rect->
y, rect->
w,
937 rect->
h, data->format, data->formattype,
943 pixels = (
const void*)((
const Uint8*)pixels + rect->
h * pitch);
945 renderdata->glBindTexture(data->type, data->vtexture);
947 renderdata->glBindTexture(data->type, data->utexture);
949 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
950 (rect->
w+1)/2, (rect->
h+1)/2,
951 data->format, data->formattype, pixels);
954 pixels = (
const void*)((
const Uint8*)pixels + ((rect->
h + 1) / 2) * ((pitch + 1) / 2));
956 renderdata->glBindTexture(data->type, data->utexture);
958 renderdata->glBindTexture(data->type, data->vtexture);
960 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
961 (rect->
w+1)/2, (rect->
h+1)/2,
962 data->format, data->formattype, pixels);
969 pixels = (
const void*)((
const Uint8*)pixels + rect->
h * pitch);
970 renderdata->glBindTexture(data->type, data->utexture);
971 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
972 (rect->
w + 1)/2, (rect->
h + 1)/2,
975 renderdata->glDisable(data->type);
977 return GL_CheckError(
"glTexSubImage2D()", renderer);
983 const Uint8 *Yplane,
int Ypitch,
984 const Uint8 *Uplane,
int Upitch,
985 const Uint8 *Vplane,
int Vpitch)
987 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
988 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
990 GL_ActivateRenderer(renderer);
992 renderdata->glEnable(data->type);
993 renderdata->glBindTexture(data->type, data->texture);
996 renderdata->glTexSubImage2D(data->type, 0, rect->
x, rect->
y, rect->
w,
997 rect->
h, data->format, data->formattype,
1001 renderdata->glBindTexture(data->type, data->utexture);
1002 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
1003 (rect->
w + 1)/2, (rect->
h + 1)/2,
1004 data->format, data->formattype, Uplane);
1007 renderdata->glBindTexture(data->type, data->vtexture);
1008 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
1009 (rect->
w + 1)/2, (rect->
h + 1)/2,
1010 data->format, data->formattype, Vplane);
1011 renderdata->glDisable(data->type);
1013 return GL_CheckError(
"glTexSubImage2D()", renderer);
1018 const SDL_Rect * rect,
void **pixels,
int *pitch)
1020 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
1022 data->locked_rect = *rect;
1024 (
void *) ((
Uint8 *) data->pixels + rect->
y * data->pitch +
1026 *pitch = data->pitch;
1033 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
1037 rect = &data->locked_rect;
1039 (
void *) ((
Uint8 *) data->pixels + rect->
y * data->pitch +
1041 GL_UpdateTexture(renderer, texture, rect, pixels, data->pitch);
1047 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1048 GL_TextureData *texturedata;
1051 GL_ActivateRenderer(renderer);
1053 if (!data->GL_EXT_framebuffer_object_supported) {
1054 return SDL_SetError(
"Render targets not supported by OpenGL");
1057 if (texture ==
NULL) {
1062 texturedata = (GL_TextureData *) texture->
driverdata;
1069 return SDL_SetError(
"glFramebufferTexture2DEXT() failed");
1077 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1079 if (SDL_CurrentContext != data->context) {
1096 data->glLoadIdentity();
1114 return GL_CheckError(
"", renderer);
1120 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1131 data->glScissor(renderer->
viewport.
x + rect->
x, h - renderer->
viewport.
y - rect->
y - rect->
h, rect->
w, rect->
h);
1142 if (data->shaders && shader != data->current.shader) {
1144 data->current.shader =
shader;
1151 Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b);
1153 if (color != data->current.color) {
1154 data->glColor4f((
GLfloat) r * inv255f,
1158 data->current.color =
color;
1163 GL_SetBlendMode(GL_RenderData * data,
SDL_BlendMode blendMode)
1165 if (blendMode != data->current.blendMode) {
1183 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1185 GL_ActivateRenderer(renderer);
1187 GL_SetColor(data, renderer->
r,
1192 GL_SetBlendMode(data, renderer->
blendMode);
1200 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1202 GL_ActivateRenderer(renderer);
1204 data->glClearColor((
GLfloat) renderer->
r * inv255f,
1226 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1229 GL_SetDrawingState(renderer);
1233 data->glVertex2f(0.5
f + points[
i].
x, 0.5
f + points[
i].
y);
1244 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1247 GL_SetDrawingState(renderer);
1250 points[0].
x == points[count-1].
x && points[0].
y == points[count-1].
y) {
1255 data->glVertex2f(0.5
f + points[
i].
x, 0.5
f + points[
i].
y);
1259 #if defined(__MACOSX__) || defined(__WIN32__) 1266 data->glVertex2f(0.5
f + points[
i].
x, 0.5
f + points[
i].
y);
1278 #if defined(__MACOSX__) || defined(__WIN32__) 1280 data->glVertex2f(0.5
f + points[count-1].
x, 0.5
f + points[count-1].
y);
1285 x2 = points[count-1].
x;
1286 y2 = points[count-1].
y;
1289 data->glVertex2f(0.5
f + x1, 0.5
f + y1);
1290 }
else if (x2 > x1) {
1291 data->glVertex2f(0.5
f + x2, 0.5
f + y2);
1294 data->glVertex2f(0.5
f + x1, 0.5
f + y1);
1295 }
else if (y2 > y1) {
1296 data->glVertex2f(0.5
f + x2, 0.5
f + y2);
1301 return GL_CheckError(
"", renderer);
1307 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1310 GL_SetDrawingState(renderer);
1315 data->glRectf(rect->
x, rect->
y, rect->
x + rect->
w, rect->
y + rect->
h);
1317 return GL_CheckError(
"", renderer);
1323 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1324 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1326 data->glEnable(texturedata->type);
1327 if (texturedata->yuv) {
1329 data->glBindTexture(texturedata->type, texturedata->vtexture);
1332 data->glBindTexture(texturedata->type, texturedata->utexture);
1336 if (texturedata->nv12) {
1338 data->glBindTexture(texturedata->type, texturedata->utexture);
1342 data->glBindTexture(texturedata->type, texturedata->texture);
1345 GL_SetColor(data, texture->
r, texture->
g, texture->
b, texture->
a);
1347 GL_SetColor(data, 255, 255, 255, 255);
1350 GL_SetBlendMode(data, texture->
blendMode);
1352 if (texturedata->yuv) {
1354 }
else if (texturedata->nv12) {
1370 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1371 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1372 GLfloat minx, miny, maxx, maxy;
1373 GLfloat minu, maxu, minv, maxv;
1375 GL_ActivateRenderer(renderer);
1377 if (GL_SetupCopy(renderer, texture) < 0) {
1383 maxx = dstrect->
x + dstrect->
w;
1384 maxy = dstrect->
y + dstrect->
h;
1386 minu = (
GLfloat) srcrect->
x / texture->
w;
1387 minu *= texturedata->texw;
1388 maxu = (
GLfloat) (srcrect->
x + srcrect->
w) / texture->
w;
1389 maxu *= texturedata->texw;
1390 minv = (
GLfloat) srcrect->
y / texture->
h;
1391 minv *= texturedata->texh;
1392 maxv = (
GLfloat) (srcrect->
y + srcrect->
h) / texture->
h;
1393 maxv *= texturedata->texh;
1396 data->glTexCoord2f(minu, minv);
1397 data->glVertex2f(minx, miny);
1398 data->glTexCoord2f(maxu, minv);
1399 data->glVertex2f(maxx, miny);
1400 data->glTexCoord2f(minu, maxv);
1401 data->glVertex2f(minx, maxy);
1402 data->glTexCoord2f(maxu, maxv);
1403 data->glVertex2f(maxx, maxy);
1406 data->glDisable(texturedata->type);
1408 return GL_CheckError(
"", renderer);
1416 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1417 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1418 GLfloat minx, miny, maxx, maxy;
1420 GLfloat minu, maxu, minv, maxv;
1422 GL_ActivateRenderer(renderer);
1424 if (GL_SetupCopy(renderer, texture) < 0) {
1428 centerx = center->
x;
1429 centery = center->
y;
1432 minx = dstrect->
w - centerx;
1437 maxx = dstrect->
w - centerx;
1441 miny = dstrect->
h - centery;
1446 maxy = dstrect->
h - centery;
1449 minu = (
GLfloat) srcrect->
x / texture->
w;
1450 minu *= texturedata->texw;
1451 maxu = (
GLfloat) (srcrect->
x + srcrect->
w) / texture->
w;
1452 maxu *= texturedata->texw;
1453 minv = (
GLfloat) srcrect->
y / texture->
h;
1454 minv *= texturedata->texh;
1455 maxv = (
GLfloat) (srcrect->
y + srcrect->
h) / texture->
h;
1456 maxv *= texturedata->texh;
1459 data->glPushMatrix();
1464 data->glTexCoord2f(minu, minv);
1465 data->glVertex2f(minx, miny);
1466 data->glTexCoord2f(maxu, minv);
1467 data->glVertex2f(maxx, miny);
1468 data->glTexCoord2f(minu, maxv);
1469 data->glVertex2f(minx, maxy);
1470 data->glTexCoord2f(maxu, maxv);
1471 data->glVertex2f(maxx, maxy);
1473 data->glPopMatrix();
1475 data->glDisable(texturedata->type);
1477 return GL_CheckError(
"", renderer);
1482 Uint32 pixel_format,
void * pixels,
int pitch)
1484 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1488 GLint internalFormat;
1491 int w, h, length, rows;
1494 GL_ActivateRenderer(renderer);
1496 if (!convert_format(data, temp_format, &internalFormat, &format, &type)) {
1497 return SDL_SetError(
"Texture format %s not supported by OpenGL",
1501 if (!rect->
w || !rect->
h) {
1517 data->glReadPixels(rect->
x, renderer->
target ? rect->
y : (h-rect->
y)-rect->
h,
1518 rect->
w, rect->
h, format, type, temp_pixels);
1520 if (GL_CheckError(
"glReadPixels()", renderer) < 0) {
1528 src = (
Uint8*)temp_pixels + (rect->
h-1)*temp_pitch;
1543 temp_format, temp_pixels, temp_pitch,
1544 pixel_format, pixels, pitch);
1553 GL_ActivateRenderer(renderer);
1561 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
1562 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
1564 GL_ActivateRenderer(renderer);
1569 if (data->texture) {
1570 renderdata->glDeleteTextures(1, &data->texture);
1573 renderdata->glDeleteTextures(1, &data->utexture);
1574 renderdata->glDeleteTextures(1, &data->vtexture);
1584 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1587 if (data->context !=
NULL) {
1589 GL_ActivateRenderer(renderer);
1592 GL_ClearErrors(renderer);
1593 if (data->GL_ARB_debug_output_supported) {
1594 PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC)
SDL_GL_GetProcAddress(
"glDebugMessageCallbackARB");
1598 glDebugMessageCallbackARBFunc(data->next_error_callback, data->next_error_userparam);
1600 if (data->shaders) {
1603 if (data->context) {
1604 while (data->framebuffers) {
1605 GL_FBOList *nextnode = data->framebuffers->next;
1607 data->glDeleteFramebuffersEXT(1, &data->framebuffers->FBO);
1608 GL_CheckError(
"", renderer);
1610 data->framebuffers = nextnode;
1622 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1623 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1624 GL_ActivateRenderer(renderer);
1626 data->glEnable(texturedata->type);
1627 if (texturedata->yuv) {
1629 data->glBindTexture(texturedata->type, texturedata->vtexture);
1632 data->glBindTexture(texturedata->type, texturedata->utexture);
1636 data->glBindTexture(texturedata->type, texturedata->texture);
1638 if(texw) *texw = (float)texturedata->texw;
1639 if(texh) *texh = (float)texturedata->texh;
1647 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1648 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1649 GL_ActivateRenderer(renderer);
1651 if (texturedata->yuv) {
1653 data->glDisable(texturedata->type);
1656 data->glDisable(texturedata->type);
1661 data->glDisable(texturedata->type);
SDL_BlendFactor SDL_GetBlendModeSrcColorFactor(SDL_BlendMode blendMode)
SDL_BlendFactor
The normalized factor used to multiply pixel components.
int(* RenderDrawLines)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
#define GL_STACK_UNDERFLOW
#define SDL_GL_ExtensionSupported
GLdouble GLdouble GLdouble r
int(* RenderDrawPoints)(SDL_Renderer *renderer, const SDL_FPoint *points, int count)
int(* LockTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, void **pixels, int *pitch)
#define GL_STORAGE_CACHED_APPLE
#define GL_UNPACK_CLIENT_STORAGE_APPLE
GLuint GLfloat GLfloat GLfloat x1
GL_ShaderContext * GL_CreateShaderContext(void)
void(APIENTRY * GLDEBUGPROCARB)(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, const void *userParam)
#define GL_INVALID_OPERATION
#define GL_UNSIGNED_INT_8_8_8_8_REV
#define SDL_GL_CreateContext
int(* RenderReadPixels)(SDL_Renderer *renderer, const SDL_Rect *rect, Uint32 format, void *pixels, int pitch)
const GLuint * framebuffers
GLint GLint GLint GLint GLint x
#define GL_YCBCR_422_APPLE
GLuint GLsizei const GLchar * message
#define GL_DEBUG_CALLBACK_USER_PARAM_ARB
SDL_BlendMode
The blend mode used in SDL_RenderCopy() and drawing operations.
SDL_bool(* SupportsBlendMode)(SDL_Renderer *renderer, SDL_BlendMode blendMode)
GLuint GLuint GLsizei count
#define SDL_HINT_RENDER_SCALE_QUALITY
A variable controlling the scaling quality.
GLfloat GLfloat GLfloat GLfloat h
GLfixed GLfixed GLfixed y2
Uint32 texture_formats[16]
static screen_context_t context
SDL_BlendFactor SDL_GetBlendModeDstAlphaFactor(SDL_BlendMode blendMode)
#define SDL_GetWindowFlags
#define SDL_HINT_RENDER_OPENGL_SHADERS
A variable controlling whether the OpenGL render driver uses shaders if they are available.
SDL_BlendOperation SDL_GetBlendModeColorOperation(SDL_BlendMode blendMode)
#define SDL_BYTESPERPIXEL(X)
GLint GLenum GLsizei GLsizei GLsizei GLint GLsizei const GLvoid * data
#define GL_TEXTURE_MAG_FILTER
#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB
int(* RenderFillRects)(SDL_Renderer *renderer, const SDL_FRect *rects, int count)
GLsizei GLsizei GLuint * shaders
#define GL_TEXTURE_STORAGE_HINT_APPLE
SDL_RenderDriver GL_RenderDriver
#define GL_TRIANGLE_STRIP
struct GL_ShaderContext GL_ShaderContext
#define GL_MAX_TEXTURE_UNITS_ARB
#define GL_ONE_MINUS_SRC_ALPHA
SDL_BlendOperation
The blend operation used when combining source and destination pixel components.
#define GL_UNPACK_ROW_LENGTH
#define GL_ONE_MINUS_SRC_COLOR
int(* RenderClear)(SDL_Renderer *renderer)
#define GL_FRAMEBUFFER_COMPLETE_EXT
void(* DestroyRenderer)(SDL_Renderer *renderer)
GLfixed GLfixed GLint GLint GLfixed points
int(* GetOutputSize)(SDL_Renderer *renderer, int *w, int *h)
#define GL_PACK_ROW_LENGTH
#define GL_TEXTURE_RECTANGLE_ARB
#define SDL_GetHintBoolean
#define GL_PACK_ALIGNMENT
void GL_DestroyShaderContext(GL_ShaderContext *ctx)
#define GL_MAX_TEXTURE_SIZE
static SDL_BlendMode blendMode
#define GL_TABLE_TOO_LARGE
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
int(* UpdateTexture)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const void *pixels, int pitch)
int(* UpdateTextureYUV)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *rect, const Uint8 *Yplane, int Ypitch, const Uint8 *Uplane, int Upitch, const Uint8 *Vplane, int Vpitch)
#define SDL_GL_SetAttribute
#define SDL_GL_GetDrawableSize
#define GL_ONE_MINUS_DST_ALPHA
GLenum GLenum GLuint texture
SDL_BlendOperation SDL_GetBlendModeAlphaOperation(SDL_BlendMode blendMode)
void * SDL_GLContext
An opaque handle to an OpenGL context.
#define SDL_GL_GetSwapInterval
GLenum GLenum GLenum input
int SDL_RecreateWindow(SDL_Window *window, Uint32 flags)
#define GL_STACK_OVERFLOW
static int GetScaleQuality(void)
static SDL_Renderer * renderer
#define SDL_stack_alloc(type, count)
#define SDL_GL_SetSwapInterval
#define SDL_GL_GetProcAddress
#define GL_COLOR_ATTACHMENT0_EXT
#define GL_TEXTURE_WRAP_T
#define GL_LUMINANCE_ALPHA
int(* GL_BindTexture)(SDL_Renderer *renderer, SDL_Texture *texture, float *texw, float *texh)
GLubyte GLubyte GLubyte GLubyte w
GLsizei const GLfloat * value
void(* UnlockTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
GLsizei GLsizei GLchar * source
#define GL_DEBUG_CALLBACK_FUNCTION_ARB
GLint GLint GLint GLint GLint GLint y
int(* SetRenderTarget)(SDL_Renderer *renderer, SDL_Texture *texture)
int(* UpdateViewport)(SDL_Renderer *renderer)
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
#define GL_COLOR_BUFFER_BIT
int(* GL_UnbindTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
#define GL_STORAGE_SHARED_APPLE
SDL_RendererFlip
Flip constants for SDL_RenderCopyEx.
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
int(* RenderCopy)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcrect, const SDL_FRect *dstrect)
Window state change event data (event.window.*)
#define SDL_assert(condition)
#define SDL_OutOfMemory()
#define SDL_GL_GetCurrentContext
SDL_BlendFactor SDL_GetBlendModeSrcAlphaFactor(SDL_BlendMode blendMode)
GLAPI void GLAPIENTRY glActiveTextureARB(GLenum texture)
int(* RenderCopyEx)(SDL_Renderer *renderer, SDL_Texture *texture, const SDL_Rect *srcquad, const SDL_FRect *dstrect, const double angle, const SDL_FPoint *center, const SDL_RendererFlip flip)
#define SDL_GL_MakeCurrent
EGLSurface EGLNativeWindowType * window
#define SDL_GetRendererOutputSize
#define GL_FUNC_REVERSE_SUBTRACT
The type used to identify a window.
#define GL_ONE_MINUS_DST_COLOR
SDL_BlendFactor SDL_GetBlendModeDstColorFactor(SDL_BlendMode blendMode)
void(* WindowEvent)(SDL_Renderer *renderer, const SDL_WindowEvent *event)
Uint32 num_texture_formats
GLuint GLuint GLsizei GLenum type
#define SDL_GL_GetAttribute
#define SDL_ConvertPixels
void(* DestroyTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
#define GL_UNSIGNED_SHORT_8_8_APPLE
int(* CreateTexture)(SDL_Renderer *renderer, SDL_Texture *texture)
void(* RenderPresent)(SDL_Renderer *renderer)
#define SDL_GL_DeleteContext
EGLSurface EGLint * rects
#define SDL_stack_free(data)
#define GL_TEXTURE_WRAP_S
GLuint GLsizei GLsizei * length
#define GL_TEXTURE_MIN_FILTER
GLboolean GLboolean GLboolean GLboolean a
#define GL_UNPACK_ALIGNMENT
int(* UpdateClipRect)(SDL_Renderer *renderer)
#define GL_DEBUG_TYPE_ERROR_ARB
GLboolean GLboolean GLboolean b
#define SDL_GL_SwapWindow
void GL_SelectShader(GL_ShaderContext *ctx, GL_Shader shader)
SDL_bool clipping_enabled
A rectangle, with the origin at the upper left.
#define GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB
#define GL_FRAMEBUFFER_EXT
#define SDL_GetPixelFormatName