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0032113: Visualization, TKOpenGl - broken PBR diffuse map within OpenGl_Caps::buffersOpaqueAlpha() on OpenGL ES 2.0

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Fixed enabling of alpha channel writes while baking PBR environment.
This commit is contained in:
kgv 2021-02-02 23:02:51 +03:00 committed by bugmaster
parent a36a30b724
commit 7106e4c8b1
1 changed files with 4 additions and 0 deletions
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4
src/OpenGl/OpenGl_PBREnvironment.cxx
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@ -48,6 +48,7 @@ private:
void backup()
{
myColorMask = myContext->ColorMaskRGBA();
myContext->core11fwd->glGetIntegerv (GL_FRAMEBUFFER_BINDING, &myFBO);
myShaderProgram = myContext->ActiveProgram();
for (unsigned int i = 0; i < 4; ++i)
@ -73,10 +74,12 @@ private:
myContext->core11fwd->glDepthMask (GL_FALSE);
myContext->core11fwd->glDisable (GL_BLEND);
myContext->core11fwd->glDisable (GL_SCISSOR_TEST);
myContext->SetColorMaskRGBA (NCollection_Vec4<bool> (true)); // force writes into all components, including alpha
}
void restore()
{
myContext->SetColorMaskRGBA (myColorMask);
myContext->arbFBO->glBindFramebuffer (GL_FRAMEBUFFER, myFBO);
myContext->BindProgram (myShaderProgram);
myContext->ResizeViewport (myViewport);
@ -111,6 +114,7 @@ private:
const Handle(OpenGl_Context) myContext;
GLint myFBO;
Handle(OpenGl_ShaderProgram) myShaderProgram;
NCollection_Vec4<bool> myColorMask;
Standard_Boolean myDepthTestWasEnabled;
Standard_Boolean myDepthWrirtingWasEnablig;
Standard_Boolean myScissorTestWasEnabled;