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0029508: Visualization, TKOpenGl - visual artifacts on Adreno 305/308

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OpenGl_ShaderManager now:
- prefers GLSL ES 100 over GLSL ES 300 on devices reporting OpenGL ES 3.0;
- prefers GLSL ES 300 on devices reporting OpenGL ES 3.1+.
to workaround known buggy implementations of OpenGL ES 3.0 drivers.
This commit is contained in:
kgv 2018-02-14 20:18:39 +03:00 committed by apn
parent 12d6e15582
commit c5a65111c4
1 changed files with 33 additions and 6 deletions
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39
src/OpenGl/OpenGl_ShaderManager.cxx
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@ -1197,8 +1197,10 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramFont()
aProgramSrc->SetHeader ("#version 150");
}
#else
if (myContext->IsGlGreaterEqual (3, 0))
if (myContext->IsGlGreaterEqual (3, 1))
{
// prefer "100 es" on OpenGL ES 3.0 devices
// and "300 es" on newer devices (3.1+)
aProgramSrc->SetHeader ("#version 300 es");
}
#endif
@ -1532,6 +1534,12 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramFlat (Handle(OpenGl_Shad
{
aProgramSrc->SetNbFragmentOutputs (2);
aProgramSrc->SetWeightOitOutput (true);
#if defined(GL_ES_VERSION_2_0)
if (myContext->IsGlGreaterEqual (3, 0))
{
aProgramSrc->SetHeader ("#version 300 es");
}
#endif
}
TCollection_AsciiString aSrcVertEndMain;
@ -1541,6 +1549,7 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramFlat (Handle(OpenGl_Shad
#if defined(GL_ES_VERSION_2_0)
if (myContext->IsGlGreaterEqual (3, 0))
{
aProgramSrc->SetHeader ("#version 300 es");
hasGlslBitOps = true;
}
#else
@ -1611,8 +1620,10 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramFlat (Handle(OpenGl_Shad
aProgramSrc->SetHeader ("#version 150");
}
#else
if (myContext->IsGlGreaterEqual (3, 0))
if (myContext->IsGlGreaterEqual (3, 1))
{
// prefer "100 es" on OpenGL ES 3.0 devices
// and "300 es" on newer devices (3.1+)
aProgramSrc->SetHeader ("#version 300 es");
}
#endif
@ -1885,6 +1896,12 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramGouraud (Handle(OpenGl_S
{
aProgramSrc->SetNbFragmentOutputs (2);
aProgramSrc->SetWeightOitOutput (true);
#if defined(GL_ES_VERSION_2_0)
if (myContext->IsGlGreaterEqual (3, 0))
{
aProgramSrc->SetHeader ("#version 300 es");
}
#endif
}
Standard_Integer aNbLights = 0;
@ -1929,8 +1946,10 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramGouraud (Handle(OpenGl_S
aProgramSrc->SetHeader ("#version 150");
}
#else
if (myContext->IsGlGreaterEqual (3, 0))
if (myContext->IsGlGreaterEqual (3, 1))
{
// prefer "100 es" on OpenGL ES 3.0 devices
// and "300 es" on newer devices (3.1+)
aProgramSrc->SetHeader ("#version 300 es");
}
#endif
@ -2089,13 +2108,19 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramPhong (Handle(OpenGl_Sha
aProgramSrc->SetHeader ("#version 150");
}
#else
if (myContext->IsGlGreaterEqual (3, 0))
if (myContext->IsGlGreaterEqual (3, 1))
{
// prefer "100 es" on OpenGL ES 3.0 devices
// and "300 es" on newer devices (3.1+)
aProgramSrc->SetHeader ("#version 300 es");
}
else if (isFlatNormal)
{
if (myContext->oesStdDerivatives)
if (myContext->IsGlGreaterEqual (3, 0))
{
aProgramSrc->SetHeader ("#version 300 es");
}
else if (myContext->oesStdDerivatives)
{
aProgramSrc->SetHeader ("#extension GL_OES_standard_derivatives : enable");
}
@ -2325,8 +2350,10 @@ Standard_Boolean OpenGl_ShaderManager::prepareStdProgramStereo (Handle(OpenGl_Sh
aProgramSrc->SetHeader ("#version 150");
}
#else
if (myContext->IsGlGreaterEqual (3, 0))
if (myContext->IsGlGreaterEqual (3, 1))
{
// prefer "100 es" on OpenGL ES 3.0 devices
// and "300 es" on newer devices (3.1+)
aProgramSrc->SetHeader ("#version 300 es");
}
#endif