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comparison src/video/SDL_renderer_gl.c @ 2845:1cc5d5b164e2

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Added official support for GL_APPLE_ycbcr_422 and GL_MESA_ycbcr_texture
author Sam Lantinga <slouken@libsdl.org>
date Sun, 07 Dec 2008 04:02:23 +0000
parents 70b63882d2ef
children 3d7833d5a4be
comparison
equal deleted inserted replaced
2844:70b63882d2ef 2845:1cc5d5b164e2
144 { 144 {
145 SDL_GLContext context; 145 SDL_GLContext context;
146 SDL_bool updateSize; 146 SDL_bool updateSize;
147 SDL_bool GL_ARB_texture_rectangle_supported; 147 SDL_bool GL_ARB_texture_rectangle_supported;
148 SDL_bool GL_EXT_paletted_texture_supported; 148 SDL_bool GL_EXT_paletted_texture_supported;
149 SDL_bool GL_APPLE_ycbcr_422_supported;
150 SDL_bool GL_MESA_ycbcr_texture_supported;
149 SDL_bool GL_ARB_fragment_program_supported; 151 SDL_bool GL_ARB_fragment_program_supported;
150 int blendMode; 152 int blendMode;
151 int scaleMode; 153 int scaleMode;
152 154
153 /* OpenGL functions */ 155 /* OpenGL functions */
376 info->texture_formats[j++] = info->texture_formats[i]; 378 info->texture_formats[j++] = info->texture_formats[i];
377 } 379 }
378 } 380 }
379 --info->num_texture_formats; 381 --info->num_texture_formats;
380 } 382 }
383 if (SDL_GL_ExtensionSupported("GL_APPLE_ycbcr_422")) {
384 data->GL_APPLE_ycbcr_422_supported = SDL_TRUE;
385 }
386 if (SDL_GL_ExtensionSupported("GL_MESA_ycbcr_texture")) {
387 data->GL_MESA_ycbcr_texture_supported = SDL_TRUE;
388 }
381 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) { 389 if (SDL_GL_ExtensionSupported("GL_APPLE_texture_range")) {
382 data->glTextureRangeAPPLE = 390 data->glTextureRangeAPPLE =
383 (void (*)(GLenum, GLsizei, const GLvoid *)) 391 (void (*)(GLenum, GLsizei, const GLvoid *))
384 SDL_GL_GetProcAddress("glTextureRangeAPPLE"); 392 SDL_GL_GetProcAddress("glTextureRangeAPPLE");
385 } 393 }
481 data->glBindProgramARB(shader_type, program); 489 data->glBindProgramARB(shader_type, program);
482 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB, 490 data->glProgramStringARB(shader_type, GL_PROGRAM_FORMAT_ASCII_ARB,
483 SDL_strlen(source), source); 491 SDL_strlen(source), source);
484 492
485 if (data->glGetError() == GL_INVALID_OPERATION) 493 if (data->glGetError() == GL_INVALID_OPERATION)
486 { 494 {
487 #if DEBUG_PROGRAM_COMPILE 495 #if DEBUG_PROGRAM_COMPILE
488 GLint pos = 0; 496 GLint pos = 0;
489 const GLubyte *errstr; 497 const GLubyte *errstr;
490 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos); 498 data->glGetIntegerv(GL_PROGRAM_ERROR_POSITION_ARB, &pos);
491 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB); 499 errstr = data->glGetString(GL_PROGRAM_ERROR_STRING_ARB);
658 case SDL_PIXELFORMAT_ARGB2101010: 666 case SDL_PIXELFORMAT_ARGB2101010:
659 internalFormat = GL_RGB10_A2; 667 internalFormat = GL_RGB10_A2;
660 format = GL_BGRA; 668 format = GL_BGRA;
661 type = GL_UNSIGNED_INT_2_10_10_10_REV; 669 type = GL_UNSIGNED_INT_2_10_10_10_REV;
662 break; 670 break;
663 #if 0 /* Ryan's pixel shader code should be better, once it works. :) */ 671 case SDL_PIXELFORMAT_UYVY:
664 case SDL_PIXELFORMAT_UYVY: 672 if (renderdata->GL_APPLE_ycbcr_422_supported) {
665 // if (renderdata->GL_MESA_ycbcr_texture) { 673 internalFormat = GL_RGB;
666 // internalFormat = 3; 674 format = GL_YCBCR_422_APPLE;
667 // format = GL_YCBCR_MESA; 675 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
668 // type = GL_UNSIGNED_SHORT_8_8_MESA; 676 type = GL_UNSIGNED_SHORT_8_8_APPLE;
669 // } else if (renderdata->GL_APPLE_ycbcr_422) {
670 internalFormat = GL_RGB;
671 format = GL_YCBCR_422_APPLE;
672 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
673 type = GL_UNSIGNED_SHORT_8_8_APPLE;
674 #else
675 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
676 #endif
677 // } else {
678 // SDL_SetError("Unsupported texture format");
679 // return -1;
680 // }
681 break;
682 #else 677 #else
683 case SDL_PIXELFORMAT_UYVY: 678 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
684 if (renderdata->GL_ARB_fragment_program_supported) { 679 #endif
680 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
681 internalFormat = GL_RGB;
682 format = GL_YCBCR_MESA;
683 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
684 type = GL_UNSIGNED_SHORT_8_8_MESA;
685 #else
686 type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
687 #endif
688 } else if (renderdata->GL_ARB_fragment_program_supported) {
685 if (renderdata->fragment_program_UYVY == 0) { 689 if (renderdata->fragment_program_UYVY == 0) {
686 renderdata->fragment_program_UYVY = 690 renderdata->fragment_program_UYVY =
687 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB, 691 compile_shader(renderdata, GL_FRAGMENT_PROGRAM_ARB,
688 fragment_program_UYVY_source_code); 692 fragment_program_UYVY_source_code);
689 if (renderdata->fragment_program_UYVY == 0) { 693 if (renderdata->fragment_program_UYVY == 0) {
698 } else { 702 } else {
699 SDL_SetError("Unsupported texture format"); 703 SDL_SetError("Unsupported texture format");
700 return -1; 704 return -1;
701 } 705 }
702 break; 706 break;
703 #endif 707 case SDL_PIXELFORMAT_YUY2:
708 if (renderdata->GL_APPLE_ycbcr_422_supported) {
709 internalFormat = GL_RGB;
710 format = GL_YCBCR_422_APPLE;
711 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
712 type = GL_UNSIGNED_SHORT_8_8_REV_APPLE;
713 #else
714 type = GL_UNSIGNED_SHORT_8_8_APPLE;
715 #endif
716 } else if (renderdata->GL_MESA_ycbcr_texture_supported) {
717 internalFormat = GL_RGB;
718 format = GL_YCBCR_MESA;
719 #if SDL_BYTEORDER == SDL_LIL_ENDIAN
720 type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
721 #else
722 type = GL_UNSIGNED_SHORT_8_8_MESA;
723 #endif
724 } else {
725 SDL_SetError("Unsupported texture format");
726 return -1;
727 }
728 break;
704 default: 729 default:
705 SDL_SetError("Unsupported texture format"); 730 SDL_SetError("Unsupported texture format");
706 return -1; 731 return -1;
707 } 732 }
708 733