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0032105: Visualization, TKOpenGl - PBR flat shading GLSL program compilation error on OpenGL ES 2.0

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OpenGl_ShaderManager::defaultGlslVersion() - fixed combining two extensions in header.
This commit is contained in:
kgv 2021-02-02 00:41:01 +03:00 committed by bugmaster
parent e1d17cebe2
commit 8df3104cd2
1 changed files with 9 additions and 3 deletions
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12
src/OpenGl/OpenGl_ShaderManager.cxx
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@ -1764,6 +1764,7 @@ int OpenGl_ShaderManager::defaultGlslVersion (const Handle(Graphic3d_ShaderProgr
}
else
{
TCollection_AsciiString aGles2Extensions;
if (theProgram->IsPBR())
{
if (myContext->IsGlGreaterEqual (3, 0))
@ -1772,8 +1773,8 @@ int OpenGl_ShaderManager::defaultGlslVersion (const Handle(Graphic3d_ShaderProgr
}
else if (myContext->CheckExtension ("GL_EXT_shader_texture_lod"))
{
theProgram->SetHeader ("#extension GL_EXT_shader_texture_lod : enable\n"
"#define textureCubeLod textureCubeLodEXT");
aGles2Extensions += "#extension GL_EXT_shader_texture_lod : enable\n"
"#define textureCubeLod textureCubeLodEXT\n";
}
}
if ((theBits & OpenGl_PO_WriteOit) != 0
@ -1802,9 +1803,14 @@ int OpenGl_ShaderManager::defaultGlslVersion (const Handle(Graphic3d_ShaderProgr
}
else if (myContext->oesStdDerivatives)
{
theProgram->SetHeader ("#extension GL_OES_standard_derivatives : enable");
aGles2Extensions += "#extension GL_OES_standard_derivatives : enable\n";
}
}
if (!aGles2Extensions.IsEmpty())
{
theProgram->SetHeader (aGles2Extensions);
}
}
#endif