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//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// CompilerGL:
// Implementation of the GL compiler methods.
//
#include "libANGLE/renderer/gl/CompilerGL.h"
#include "libANGLE/renderer/gl/FunctionsGL.h"
namespace rx
{
namespace
{
ShShaderOutput GetShaderOutputType(const FunctionsGL *functions)
{
ASSERT(functions);
if (functions->standard == STANDARD_GL_DESKTOP)
{
// GLSL outputs
if (functions->isAtLeastGL(gl::Version(4, 5)))
{
return SH_GLSL_450_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(4, 4)))
{
return SH_GLSL_440_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(4, 3)))
{
return SH_GLSL_430_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(4, 2)))
{
return SH_GLSL_420_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(4, 1)))
{
return SH_GLSL_410_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(4, 0)))
{
return SH_GLSL_400_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(3, 3)))
{
return SH_GLSL_330_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(3, 2)))
{
return SH_GLSL_150_CORE_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(3, 1)))
{
return SH_GLSL_140_OUTPUT;
}
else if (functions->isAtLeastGL(gl::Version(3, 0)))
{
return SH_GLSL_130_OUTPUT;
}
else
{
return SH_GLSL_COMPATIBILITY_OUTPUT;
}
}
else if (functions->standard == STANDARD_GL_ES)
{
// ESSL outputs
return SH_ESSL_OUTPUT;
}
else
{
UNREACHABLE();
return ShShaderOutput(0);
}
}
} // anonymous namespace
CompilerGL::CompilerGL(const FunctionsGL *functions)
: mTranslatorOutputType(GetShaderOutputType(functions))
{
}
} // namespace rx
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