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0029509: Visualization, TKOpenGl - Weighted OIT + MSAA shader compilation errors

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Fix implicit cast ivec2->vec2 and specify GLSL version to "320 es" on appropriate devices.
This commit is contained in:
kgv 2018-02-14 22:58:34 +03:00 committed by apn
parent c5a65111c4
commit e3744452bb
1 changed files with 7 additions and 3 deletions
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10
src/OpenGl/OpenGl_ShaderManager.cxx
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@ -1345,7 +1345,7 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramOitCompositing (const St
EOL
EOL"void main()"
EOL"{"
EOL" ivec2 aTexel = ivec2 (textureSize (uAccumTexture) * TexCoord);"
EOL" ivec2 aTexel = ivec2 (vec2 (textureSize (uAccumTexture)) * TexCoord);"
EOL" vec4 aAccum = texelFetch (uAccumTexture, aTexel, gl_SampleID);"
EOL" float aWeight = texelFetch (uWeightTexture, aTexel, gl_SampleID).r;"
EOL" occSetFragColor (vec4 (aAccum.rgb / max (aWeight, 0.00001), aAccum.a));"
@ -1356,9 +1356,13 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramOitCompositing (const St
aProgramSrc->SetHeader ("#version 400");
}
#else
if (myContext->IsGlGreaterEqual (3, 0))
if (myContext->IsGlGreaterEqual (3, 2))
{
aProgramSrc->SetHeader ("#version 300 es");
aProgramSrc->SetHeader ("#version 320 es");
}
else if (myContext->IsGlGreaterEqual (3, 0))
{
aProgramSrc->SetHeader ("#version 300 es"); // with GL_OES_sample_variables extension
}
#endif
}