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Work around nvidia driver bug with EXT_dsa access to VAO leaking state

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baldurk
2017-05-05 09:00:53 +01:00
parent bbff0fce1c
commit 023cb57c66
1 changed files with 14 additions and 0 deletions
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renderdoc/driver/gl/wrappers/gl_buffer_funcs.cpp
+14
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@@ -3672,7 +3672,14 @@ bool WrappedOpenGL::Serialise_glEnableVertexArrayAttribEXT(GLuint vaobj, GLuint
vaobj = m_FakeVAO;
}
GLint prevVAO = 0;
m_Real.glGetIntegerv(eGL_VERTEX_ARRAY_BINDING, &prevVAO);
m_Real.glEnableVertexArrayAttribEXT(vaobj, Index);
// nvidia bug seems to sometimes change VAO binding in glEnableVertexArrayAttribEXT, although it
// seems like it only happens if GL_DEBUG_OUTPUT_SYNCHRONOUS is NOT enabled.
m_Real.glBindVertexArray(prevVAO);
}
return true;
}
@@ -3750,7 +3757,14 @@ bool WrappedOpenGL::Serialise_glDisableVertexArrayAttribEXT(GLuint vaobj, GLuint
vaobj = m_FakeVAO;
}
GLint prevVAO = 0;
m_Real.glGetIntegerv(eGL_VERTEX_ARRAY_BINDING, &prevVAO);
m_Real.glDisableVertexArrayAttribEXT(vaobj, Index);
// nvidia bug seems to sometimes change VAO binding in glEnableVertexArrayAttribEXT, although it
// seems like it only happens if GL_DEBUG_OUTPUT_SYNCHRONOUS is NOT enabled.
m_Real.glBindVertexArray(prevVAO);
}
return true;
}