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Parser: Implement extension GL_AMD_gpu_shader_half_float.

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- Add built-in types: float16_t, f16vec, f16mat.
- Add support of half float constant: hf, HF.
- Extend built-in floating-point operators: +, -, *, /, ++, --, +=, -=,
  *=, /=, ==, !=, >=, <=, >, <.
- Add support of type conversions: float16_t -> XXX, XXX -> float16_t.
- Add new built-in functions.
This commit is contained in:
Rex Xu 2016-07-29 16:00:05 +08:00
parent b1672fa0de
commit c9e3c3c941
35 changed files with 9765 additions and 4370 deletions
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15
glslang/MachineIndependent/Versions.cpp
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@ -192,6 +192,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_AMD_shader_trinary_minmax] = EBhDisable;
extensionBehavior[E_GL_AMD_shader_explicit_vertex_parameter] = EBhDisable;
extensionBehavior[E_GL_AMD_gcn_shader] = EBhDisable;
extensionBehavior[E_GL_AMD_gpu_shader_half_float] = EBhDisable;
#endif
// AEP
@ -299,6 +300,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_AMD_shader_trinary_minmax 1\n"
"#define GL_AMD_shader_explicit_vertex_parameter 1\n"
"#define GL_AMD_gcn_shader 1\n"
"#define GL_AMD_gpu_shader_half_float 1\n"
#endif
;
}
@ -663,6 +665,19 @@ void TParseVersions::doubleCheck(const TSourceLoc& loc, const char* op)
profileRequires(loc, ECompatibilityProfile, 400, nullptr, op);
}
#ifdef AMD_EXTENSIONS
// Call for any operation needing GLSL float16 data-type support.
void TParseVersions::float16Check(const TSourceLoc& loc, const char* op, bool builtIn)
{
if (!builtIn) {
requireExtensions(loc, 1, &E_GL_AMD_gpu_shader_half_float, "shader half float");
requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
profileRequires(loc, ECoreProfile, 450, nullptr, op);
profileRequires(loc, ECompatibilityProfile, 450, nullptr, op);
}
}
#endif
// Call for any operation needing GLSL 64-bit integer data-type support.
void TParseVersions::int64Check(const TSourceLoc& loc, const char* op, bool builtIn)
{