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Fixed bug #4711: prevent opengl SDL_renderer from crashing if GL_ARB_multitexture isn't supported

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Sylvain 2021-09-01 15:46:32 +02:00
parent 515b7e93b5
commit 183eb0673b
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GPG key ID: 5F87E02E5BC0939E
1 changed files with 30 additions and 10 deletions
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40
src/render/opengl/SDL_render_gl.c
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@ -1240,18 +1240,26 @@ SetCopyState(GL_RenderData *data, const SDL_RenderCommand *cmd)
const GLenum textype = data->textype;
#if SDL_HAVE_YUV
if (texturedata->yuv) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
}
data->glBindTexture(textype, texturedata->vtexture);
data->glActiveTextureARB(GL_TEXTURE1_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE1_ARB);
}
data->glBindTexture(textype, texturedata->utexture);
}
if (texturedata->nv12) {
data->glActiveTextureARB(GL_TEXTURE1_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE1_ARB);
}
data->glBindTexture(textype, texturedata->utexture);
}
#endif
data->glActiveTextureARB(GL_TEXTURE0_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE0_ARB);
}
data->glBindTexture(textype, texturedata->texture);
data->drawstate.texture = texture;
@ -1647,13 +1655,19 @@ GL_BindTexture (SDL_Renderer * renderer, SDL_Texture *texture, float *texw, floa
data->glEnable(textype);
#if SDL_HAVE_YUV
if (texturedata->yuv) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
}
data->glBindTexture(textype, texturedata->vtexture);
data->glActiveTextureARB(GL_TEXTURE1_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE1_ARB);
}
data->glBindTexture(textype, texturedata->utexture);
data->glActiveTextureARB(GL_TEXTURE0_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE0_ARB);
}
}
#endif
data->glBindTexture(textype, texturedata->texture);
@ -1678,13 +1692,19 @@ GL_UnbindTexture (SDL_Renderer * renderer, SDL_Texture *texture)
#if SDL_HAVE_YUV
if (texturedata->yuv) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE2_ARB);
}
data->glDisable(textype);
data->glActiveTextureARB(GL_TEXTURE1_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE1_ARB);
}
data->glDisable(textype);
data->glActiveTextureARB(GL_TEXTURE0_ARB);
if (data->GL_ARB_multitexture_supported) {
data->glActiveTextureARB(GL_TEXTURE0_ARB);
}
}
#endif