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0028115: Visualization, Ray tracing - Fix crash on NVIDIA GPUs with driver version 373.06 when window is resized

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This commit is contained in:
dbp 2016-11-16 17:47:07 +03:00 committed by apn
parent f9f740d6b0
commit 6dd6e5c758
1 changed files with 11 additions and 1 deletions
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12
src/OpenGl/OpenGl_View_Raytrace.cxx
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@ -1838,7 +1838,7 @@ Standard_Boolean OpenGl_View::updateRaytraceBuffers (const Standard_Integer
const Standard_Integer theSizeY,
const Handle(OpenGl_Context)& theGlContext)
{
// Auxiliary buffers are not used.
// Auxiliary buffers are not used
if (!myRaytraceParameters.GlobalIllumination && !myRenderParams.IsAntialiasingEnabled)
{
myRaytraceFBO1[0]->Release (theGlContext.operator->());
@ -1849,6 +1849,12 @@ Standard_Boolean OpenGl_View::updateRaytraceBuffers (const Standard_Integer
return Standard_True;
}
if (myRaytraceFBO1[0]->GetSizeX() != theSizeX
|| myRaytraceFBO1[0]->GetSizeY() != theSizeY)
{
myAccumFrames = 0;
}
myRaytraceFBO1[0]->InitLazy (theGlContext, theSizeX, theSizeY, GL_RGBA32F, myFboDepthFormat);
myRaytraceFBO2[0]->InitLazy (theGlContext, theSizeX, theSizeY, GL_RGBA32F, myFboDepthFormat);
@ -1890,6 +1896,10 @@ Standard_Boolean OpenGl_View::updateRaytraceBuffers (const Standard_Integer
myRaytraceOutputTexture[0]->InitRectangle (theGlContext,
theSizeX * 3, theSizeY * 2, OpenGl_TextureFormat::Create<GLfloat, 1>());
// workaround for some NVIDIA drivers
myRaytraceVisualErrorTexture->Release (theGlContext.operator->());
myRaytraceTileOffsetsTexture->Release (theGlContext.operator->());
myRaytraceVisualErrorTexture->Init (theGlContext,
GL_R32I, GL_RED_INTEGER, GL_INT, myTileSampler.NbTilesX(), myTileSampler.NbTilesY(), Graphic3d_TOT_2D);