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comparison src/video/SDL_renderer_gl.c @ 3707:d8308bc267bc

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Adam Strzelecki to SDL When graphic card has no GL_ARB_texture_rectangle YUV textures mapped with SDL_RenderCopy are stretched 2x horizontally, so only left half of texture is visible. This is due: data->texw = (GLfloat) (texture->w) / texture_w; data->texh = (GLfloat) texture->h / texture_h; But afterwards texture_w /= 2 for YUV texture, but data->texw stays as it was before, while it should be multiplied 2x. This bug can be seen in any program setting env variables: GL_APPLE_ycbcr_422=0 GL_EXT_texture_rectangle=0 GL_ARB_texture_rectangle=0
author Sam Lantinga <slouken@libsdl.org>
date Wed, 17 Feb 2010 04:42:52 +0000
parents f7b03b6838cb
children 6cf71111cf68
comparison
equal deleted inserted replaced
3706:9676307d93be 3707:d8308bc267bc
827 data->texh = (GLfloat) texture->h / texture_h; 827 data->texh = (GLfloat) texture->h / texture_h;
828 } 828 }
829 829
830 /* YUV formats use RGBA but are really two bytes per pixel */ 830 /* YUV formats use RGBA but are really two bytes per pixel */
831 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) { 831 if (internalFormat == GL_RGBA && bytes_per_pixel(texture->format) < 4) {
832 texture_w /= 2;
833 if (data->type == GL_TEXTURE_2D) {
834 data->texw *= 2.0f;
835 }
832 data->HACK_RYAN_FIXME = 2; 836 data->HACK_RYAN_FIXME = 2;
833 } else { 837 } else {
834 data->HACK_RYAN_FIXME = 1; 838 data->HACK_RYAN_FIXME = 1;
835 } 839 }
836 texture_w /= data->HACK_RYAN_FIXME;
837 840
838 data->format = format; 841 data->format = format;
839 data->formattype = type; 842 data->formattype = type;
840 renderdata->glEnable(data->type); 843 renderdata->glEnable(data->type);
841 renderdata->glBindTexture(data->type, data->texture); 844 renderdata->glBindTexture(data->type, data->texture);