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0025758: Visualization, TKOpenGl - texture initialization fails on Intel HD 4600 in ray tracing test

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Unbind global texture sampler right after its usage.
This commit is contained in:
kgv
2015-01-29 15:16:09 +03:00
committed by bugmaster
parent 1e99558fbd
commit e3414ada99
2 changed files with 6 additions and 23 deletions
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6
src/OpenGl/OpenGl_Workspace.cxx
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@@ -292,6 +292,12 @@ Handle(OpenGl_Texture) OpenGl_Workspace::DisableTexture()
return myTextureBound;
}
const Handle(OpenGl_Sampler)& aSampler = myGlContext->TextureSampler();
if (!aSampler.IsNull())
{
aSampler->Unbind (*myGlContext);
}
#if !defined(GL_ES_VERSION_2_0)
// reset texture matrix because some code may expect it is identity
GLint aMatrixMode = GL_TEXTURE;