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) 264 #define GL_CheckError(prefix, renderer) GL_CheckAllErrors(prefix, renderer, SDL_FILE, SDL_LINE, SDL_FUNCTION) 268 GL_LoadFunctions(GL_RenderData * data)
270 #ifdef __SDL_NOGETPROCADDR__ 271 #define SDL_PROC(ret,func,params) data->func=func; 273 #define SDL_PROC(ret,func,params) \ 275 data->func = SDL_GL_GetProcAddress(#func); \ 276 if ( ! data->func ) { \ 277 return SDL_SetError("Couldn't load GL function %s: %s", #func, SDL_GetError()); \ 292 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
294 if (SDL_CurrentContext != data->context ||
299 SDL_CurrentContext = data->context;
301 GL_UpdateViewport(renderer);
304 GL_ClearErrors(renderer);
313 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
316 GL_UpdateViewport(renderer);
318 GL_ActivateRenderer(renderer);
322 data->current.color = 0xffffffff;
331 data->glLoadIdentity();
333 GL_CheckError(
"", renderer);
340 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
344 int errors = data->errors + 1;
345 char **error_messages =
SDL_realloc(data->error_messages, errors *
sizeof(*data->error_messages));
346 if (error_messages) {
347 data->errors = errors;
348 data->error_messages = error_messages;
349 data->error_messages[data->errors-1] =
SDL_strdup(message);
354 if (data->next_error_callback) {
355 data->next_error_callback(source, type,
id, severity, length, message, data->next_error_userparam);
368 GL_FBOList *
result = data->framebuffers;
370 while (result && ((result->w != w) || (result->h != h))) {
371 result = result->next;
379 data->glGenFramebuffersEXT(1, &result->FBO);
380 result->next = data->framebuffers;
381 data->framebuffers =
result;
394 int profile_mask = 0, major = 0, minor = 0;
421 data = (GL_RenderData *)
SDL_calloc(1,
sizeof(*data));
423 GL_DestroyRenderer(renderer);
451 renderer->
info = GL_RenderDriver.
info;
457 if (!data->context) {
458 GL_DestroyRenderer(renderer);
462 GL_DestroyRenderer(renderer);
466 if (GL_LoadFunctions(data) < 0) {
467 GL_DestroyRenderer(renderer);
493 PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC)
SDL_GL_GetProcAddress(
"glDebugMessageCallbackARB");
495 data->GL_ARB_debug_output_supported =
SDL_TRUE;
498 glDebugMessageCallbackARBFunc(GL_HandleDebugMessage, renderer);
505 data->GL_ARB_texture_non_power_of_two_supported =
SDL_TRUE;
508 data->GL_ARB_texture_rectangle_supported =
SDL_TRUE;
510 if (data->GL_ARB_texture_rectangle_supported) {
523 if (data->glActiveTextureARB) {
524 data->GL_ARB_multitexture_supported =
SDL_TRUE;
534 data->shaders ?
"ENABLED" :
"DISABLED");
537 if (data->shaders && data->num_texture_units >= 3) {
549 data->GL_EXT_framebuffer_object_supported =
SDL_TRUE;
550 data->glGenFramebuffersEXT = (PFNGLGENFRAMEBUFFERSEXTPROC)
552 data->glDeleteFramebuffersEXT = (PFNGLDELETEFRAMEBUFFERSEXTPROC)
554 data->glFramebufferTexture2DEXT = (PFNGLFRAMEBUFFERTEXTURE2DEXTPROC)
556 data->glBindFramebufferEXT = (PFNGLBINDFRAMEBUFFEREXTPROC)
558 data->glCheckFramebufferStatusEXT = (PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC)
562 data->framebuffers =
NULL;
565 GL_ResetState(renderer);
570 if (changed_window) {
587 SDL_CurrentContext =
NULL;
592 GL_GetOutputSize(
SDL_Renderer * renderer,
int *w,
int *h)
658 if (colorOperation != alphaOperation) {
665 power_of_2(
int input)
669 while (value < input) {
676 convert_format(GL_RenderData *renderdata,
Uint32 pixel_format,
679 switch (pixel_format) {
709 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
710 GL_TextureData *data;
711 GLint internalFormat;
713 int texture_w, texture_h;
716 GL_ActivateRenderer(renderer);
719 !renderdata->GL_EXT_framebuffer_object_supported) {
720 return SDL_SetError(
"Render targets not supported by OpenGL");
723 if (!convert_format(renderdata, texture->
format, &internalFormat,
725 return SDL_SetError(
"Texture format %s not supported by OpenGL",
729 data = (GL_TextureData *)
SDL_calloc(1,
sizeof(*data));
737 size = texture->
h * data->pitch;
741 size += 2 * ((texture->
h + 1) / 2) * ((data->pitch + 1) / 2);
746 size += 2 * ((texture->
h + 1) / 2) * ((data->pitch + 1) / 2);
756 data->fbo = GL_GetFBO(renderdata, texture->
w, texture->
h);
761 GL_CheckError(
"", renderer);
762 renderdata->glGenTextures(1, &data->texture);
763 if (GL_CheckError(
"glGenTextures()", renderer) < 0) {
772 if (renderdata->GL_ARB_texture_non_power_of_two_supported) {
774 texture_w = texture->
w;
775 texture_h = texture->
h;
778 }
else if (renderdata->GL_ARB_texture_rectangle_supported) {
780 texture_w = texture->
w;
781 texture_h = texture->
h;
782 data->texw = (
GLfloat) texture_w;
783 data->texh = (
GLfloat) texture_h;
786 texture_w = power_of_2(texture->
w);
787 texture_h = power_of_2(texture->
h);
788 data->texw = (
GLfloat) (texture->
w) / texture_w;
789 data->texh = (
GLfloat) texture->
h / texture_h;
793 data->formattype =
type;
795 renderdata->glEnable(data->type);
796 renderdata->glBindTexture(data->type, data->texture);
809 #ifndef GL_TEXTURE_STORAGE_HINT_APPLE 810 #define GL_TEXTURE_STORAGE_HINT_APPLE 0x85BC 812 #ifndef STORAGE_CACHED_APPLE 813 #define STORAGE_CACHED_APPLE 0x85BE 815 #ifndef STORAGE_SHARED_APPLE 816 #define STORAGE_SHARED_APPLE 0x85BF 827 && (texture->
w % 8) == 0) {
832 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
833 texture_h, 0, format, type, data->pixels);
839 renderdata->glTexImage2D(data->type, 0, internalFormat, texture_w,
840 texture_h, 0, format, type,
NULL);
842 renderdata->glDisable(data->type);
843 if (GL_CheckError(
"glTexImage2D()", renderer) < 0) {
851 renderdata->glGenTextures(1, &data->utexture);
852 renderdata->glGenTextures(1, &data->vtexture);
853 renderdata->glEnable(data->type);
855 renderdata->glBindTexture(data->type, data->utexture);
864 renderdata->glTexImage2D(data->type, 0, internalFormat, (texture_w+1)/2,
865 (texture_h+1)/2, 0, format, type,
NULL);
867 renderdata->glBindTexture(data->type, data->vtexture);
876 renderdata->glTexImage2D(data->type, 0, internalFormat, (texture_w+1)/2,
877 (texture_h+1)/2, 0, format, type,
NULL);
879 renderdata->glDisable(data->type);
886 renderdata->glGenTextures(1, &data->utexture);
887 renderdata->glEnable(data->type);
889 renderdata->glBindTexture(data->type, data->utexture);
900 renderdata->glDisable(data->type);
903 return GL_CheckError(
"", renderer);
910 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
911 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
916 GL_ActivateRenderer(renderer);
918 renderdata->glEnable(data->type);
919 renderdata->glBindTexture(data->type, data->texture);
922 renderdata->glTexSubImage2D(data->type, 0, rect->
x, rect->
y, rect->
w,
923 rect->
h, data->format, data->formattype,
929 pixels = (
const void*)((
const Uint8*)pixels + rect->
h * pitch);
931 renderdata->glBindTexture(data->type, data->vtexture);
933 renderdata->glBindTexture(data->type, data->utexture);
935 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
936 (rect->
w+1)/2, (rect->
h+1)/2,
937 data->format, data->formattype, pixels);
940 pixels = (
const void*)((
const Uint8*)pixels + ((rect->
h + 1) / 2) * ((pitch + 1) / 2));
942 renderdata->glBindTexture(data->type, data->utexture);
944 renderdata->glBindTexture(data->type, data->vtexture);
946 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
947 (rect->
w+1)/2, (rect->
h+1)/2,
948 data->format, data->formattype, pixels);
955 pixels = (
const void*)((
const Uint8*)pixels + rect->
h * pitch);
956 renderdata->glBindTexture(data->type, data->utexture);
957 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
958 (rect->
w + 1)/2, (rect->
h + 1)/2,
961 renderdata->glDisable(data->type);
963 return GL_CheckError(
"glTexSubImage2D()", renderer);
969 const Uint8 *Yplane,
int Ypitch,
970 const Uint8 *Uplane,
int Upitch,
971 const Uint8 *Vplane,
int Vpitch)
973 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
974 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
976 GL_ActivateRenderer(renderer);
978 renderdata->glEnable(data->type);
979 renderdata->glBindTexture(data->type, data->texture);
982 renderdata->glTexSubImage2D(data->type, 0, rect->
x, rect->
y, rect->
w,
983 rect->
h, data->format, data->formattype,
987 renderdata->glBindTexture(data->type, data->utexture);
988 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
989 (rect->
w + 1)/2, (rect->
h + 1)/2,
990 data->format, data->formattype, Uplane);
993 renderdata->glBindTexture(data->type, data->vtexture);
994 renderdata->glTexSubImage2D(data->type, 0, rect->
x/2, rect->
y/2,
995 (rect->
w + 1)/2, (rect->
h + 1)/2,
996 data->format, data->formattype, Vplane);
997 renderdata->glDisable(data->type);
999 return GL_CheckError(
"glTexSubImage2D()", renderer);
1004 const SDL_Rect * rect,
void **pixels,
int *pitch)
1006 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
1008 data->locked_rect = *rect;
1010 (
void *) ((
Uint8 *) data->pixels + rect->
y * data->pitch +
1012 *pitch = data->pitch;
1019 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
1023 rect = &data->locked_rect;
1025 (
void *) ((
Uint8 *) data->pixels + rect->
y * data->pitch +
1027 GL_UpdateTexture(renderer, texture, rect, pixels, data->pitch);
1033 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1034 GL_TextureData *texturedata;
1037 GL_ActivateRenderer(renderer);
1039 if (!data->GL_EXT_framebuffer_object_supported) {
1040 return SDL_SetError(
"Render targets not supported by OpenGL");
1043 if (texture ==
NULL) {
1048 texturedata = (GL_TextureData *) texture->
driverdata;
1055 return SDL_SetError(
"glFramebufferTexture2DEXT() failed");
1063 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1065 if (SDL_CurrentContext != data->context) {
1082 data->glLoadIdentity();
1100 return GL_CheckError(
"", renderer);
1106 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1117 data->glScissor(renderer->
viewport.
x + rect->
x, h - renderer->
viewport.
y - rect->
y - rect->
h, rect->
w, rect->
h);
1128 if (data->shaders && shader != data->current.shader) {
1130 data->current.shader =
shader;
1137 Uint32 color = ((a << 24) | (r << 16) | (g << 8) | b);
1139 if (color != data->current.color) {
1140 data->glColor4f((
GLfloat) r * inv255f,
1144 data->current.color =
color;
1149 GL_SetBlendMode(GL_RenderData * data,
SDL_BlendMode blendMode)
1151 if (blendMode != data->current.blendMode) {
1169 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1171 GL_ActivateRenderer(renderer);
1173 GL_SetColor(data, renderer->
r,
1178 GL_SetBlendMode(data, renderer->
blendMode);
1186 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1188 GL_ActivateRenderer(renderer);
1190 data->glClearColor((
GLfloat) renderer->
r * inv255f,
1212 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1215 GL_SetDrawingState(renderer);
1219 data->glVertex2f(0.5
f + points[
i].
x, 0.5
f + points[
i].
y);
1230 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1233 GL_SetDrawingState(renderer);
1236 points[0].
x == points[count-1].
x && points[0].
y == points[count-1].
y) {
1241 data->glVertex2f(0.5
f + points[
i].
x, 0.5
f + points[
i].
y);
1245 #if defined(__MACOSX__) || defined(__WIN32__) 1252 data->glVertex2f(0.5
f + points[
i].
x, 0.5
f + points[
i].
y);
1264 #if defined(__MACOSX__) || defined(__WIN32__) 1266 data->glVertex2f(0.5
f + points[count-1].
x, 0.5
f + points[count-1].
y);
1271 x2 = points[count-1].
x;
1272 y2 = points[count-1].
y;
1275 data->glVertex2f(0.5
f + x1, 0.5
f + y1);
1276 }
else if (x2 > x1) {
1277 data->glVertex2f(0.5
f + x2, 0.5
f + y2);
1280 data->glVertex2f(0.5
f + x1, 0.5
f + y1);
1281 }
else if (y2 > y1) {
1282 data->glVertex2f(0.5
f + x2, 0.5
f + y2);
1287 return GL_CheckError(
"", renderer);
1293 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1296 GL_SetDrawingState(renderer);
1301 data->glRectf(rect->
x, rect->
y, rect->
x + rect->
w, rect->
y + rect->
h);
1303 return GL_CheckError(
"", renderer);
1309 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1310 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1312 data->glEnable(texturedata->type);
1313 if (texturedata->yuv) {
1315 data->glBindTexture(texturedata->type, texturedata->vtexture);
1318 data->glBindTexture(texturedata->type, texturedata->utexture);
1322 if (texturedata->nv12) {
1324 data->glBindTexture(texturedata->type, texturedata->utexture);
1328 data->glBindTexture(texturedata->type, texturedata->texture);
1331 GL_SetColor(data, texture->
r, texture->
g, texture->
b, texture->
a);
1333 GL_SetColor(data, 255, 255, 255, 255);
1336 GL_SetBlendMode(data, texture->
blendMode);
1338 if (texturedata->yuv || texturedata->nv12) {
1341 if (texturedata->yuv) {
1350 if (texturedata->yuv) {
1359 if (texturedata->yuv) {
1368 return SDL_SetError(
"Unsupported YUV conversion mode");
1380 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1381 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1382 GLfloat minx, miny, maxx, maxy;
1383 GLfloat minu, maxu, minv, maxv;
1385 GL_ActivateRenderer(renderer);
1387 if (GL_SetupCopy(renderer, texture) < 0) {
1393 maxx = dstrect->
x + dstrect->
w;
1394 maxy = dstrect->
y + dstrect->
h;
1396 minu = (
GLfloat) srcrect->
x / texture->
w;
1397 minu *= texturedata->texw;
1398 maxu = (
GLfloat) (srcrect->
x + srcrect->
w) / texture->
w;
1399 maxu *= texturedata->texw;
1400 minv = (
GLfloat) srcrect->
y / texture->
h;
1401 minv *= texturedata->texh;
1402 maxv = (
GLfloat) (srcrect->
y + srcrect->
h) / texture->
h;
1403 maxv *= texturedata->texh;
1406 data->glTexCoord2f(minu, minv);
1407 data->glVertex2f(minx, miny);
1408 data->glTexCoord2f(maxu, minv);
1409 data->glVertex2f(maxx, miny);
1410 data->glTexCoord2f(minu, maxv);
1411 data->glVertex2f(minx, maxy);
1412 data->glTexCoord2f(maxu, maxv);
1413 data->glVertex2f(maxx, maxy);
1416 data->glDisable(texturedata->type);
1418 return GL_CheckError(
"", renderer);
1426 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1427 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1428 GLfloat minx, miny, maxx, maxy;
1430 GLfloat minu, maxu, minv, maxv;
1432 GL_ActivateRenderer(renderer);
1434 if (GL_SetupCopy(renderer, texture) < 0) {
1438 centerx = center->
x;
1439 centery = center->
y;
1442 minx = dstrect->
w - centerx;
1447 maxx = dstrect->
w - centerx;
1451 miny = dstrect->
h - centery;
1456 maxy = dstrect->
h - centery;
1459 minu = (
GLfloat) srcrect->
x / texture->
w;
1460 minu *= texturedata->texw;
1461 maxu = (
GLfloat) (srcrect->
x + srcrect->
w) / texture->
w;
1462 maxu *= texturedata->texw;
1463 minv = (
GLfloat) srcrect->
y / texture->
h;
1464 minv *= texturedata->texh;
1465 maxv = (
GLfloat) (srcrect->
y + srcrect->
h) / texture->
h;
1466 maxv *= texturedata->texh;
1469 data->glPushMatrix();
1474 data->glTexCoord2f(minu, minv);
1475 data->glVertex2f(minx, miny);
1476 data->glTexCoord2f(maxu, minv);
1477 data->glVertex2f(maxx, miny);
1478 data->glTexCoord2f(minu, maxv);
1479 data->glVertex2f(minx, maxy);
1480 data->glTexCoord2f(maxu, maxv);
1481 data->glVertex2f(maxx, maxy);
1483 data->glPopMatrix();
1485 data->glDisable(texturedata->type);
1487 return GL_CheckError(
"", renderer);
1492 Uint32 pixel_format,
void * pixels,
int pitch)
1494 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1498 GLint internalFormat;
1501 int w, h, length, rows;
1504 GL_ActivateRenderer(renderer);
1506 if (!convert_format(data, temp_format, &internalFormat, &format, &type)) {
1507 return SDL_SetError(
"Texture format %s not supported by OpenGL",
1511 if (!rect->
w || !rect->
h) {
1527 data->glReadPixels(rect->
x, renderer->
target ? rect->
y : (h-rect->
y)-rect->
h,
1528 rect->
w, rect->
h, format, type, temp_pixels);
1530 if (GL_CheckError(
"glReadPixels()", renderer) < 0) {
1538 src = (
Uint8*)temp_pixels + (rect->
h-1)*temp_pitch;
1553 temp_format, temp_pixels, temp_pitch,
1554 pixel_format, pixels, pitch);
1563 GL_ActivateRenderer(renderer);
1571 GL_RenderData *renderdata = (GL_RenderData *) renderer->
driverdata;
1572 GL_TextureData *data = (GL_TextureData *) texture->
driverdata;
1574 GL_ActivateRenderer(renderer);
1579 if (data->texture) {
1580 renderdata->glDeleteTextures(1, &data->texture);
1583 renderdata->glDeleteTextures(1, &data->utexture);
1584 renderdata->glDeleteTextures(1, &data->vtexture);
1594 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1597 if (data->context !=
NULL) {
1599 GL_ActivateRenderer(renderer);
1602 GL_ClearErrors(renderer);
1603 if (data->GL_ARB_debug_output_supported) {
1604 PFNGLDEBUGMESSAGECALLBACKARBPROC glDebugMessageCallbackARBFunc = (PFNGLDEBUGMESSAGECALLBACKARBPROC)
SDL_GL_GetProcAddress(
"glDebugMessageCallbackARB");
1608 glDebugMessageCallbackARBFunc(data->next_error_callback, data->next_error_userparam);
1610 if (data->shaders) {
1613 if (data->context) {
1614 while (data->framebuffers) {
1615 GL_FBOList *nextnode = data->framebuffers->next;
1617 data->glDeleteFramebuffersEXT(1, &data->framebuffers->FBO);
1618 GL_CheckError(
"", renderer);
1620 data->framebuffers = nextnode;
1632 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1633 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1634 GL_ActivateRenderer(renderer);
1636 data->glEnable(texturedata->type);
1637 if (texturedata->yuv) {
1639 data->glBindTexture(texturedata->type, texturedata->vtexture);
1642 data->glBindTexture(texturedata->type, texturedata->utexture);
1646 data->glBindTexture(texturedata->type, texturedata->texture);
1648 if(texw) *texw = (float)texturedata->texw;
1649 if(texh) *texh = (float)texturedata->texh;
1657 GL_RenderData *data = (GL_RenderData *) renderer->
driverdata;
1658 GL_TextureData *texturedata = (GL_TextureData *) texture->
driverdata;
1659 GL_ActivateRenderer(renderer);
1661 if (texturedata->yuv) {
1663 data->glDisable(texturedata->type);
1666 data->glDisable(texturedata->type);
1671 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
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 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 SDL_GetYUVConversionModeForResolution
#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