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Add support for ARB_gpu_shader_fp64

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GLSL Version : >= 150

Purpose:
Allow users to use features by enabling this extension, even in low versions.

Extension Name:
ARB_gpu_shader_fp64

Builtin-variables:
Nah

Builtin-functions:
functions overloaded for this extension, please check registry in reference.

Keywords:
Double

Features:
add support for type "double"

Reference:
https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_gpu_shader_fp64.txt

Add support for implicit conversion

1. Remove builtin double vertex (this is introduced by vertex_attrib_64bit
2. Add extension check and implicit conversion as double has been introduced
3. Add test results.
This commit is contained in:
Chow 2019-11-26 17:27:33 +08:00
parent 6334d594f6
commit a3c7a25e10
11 changed files with 138 additions and 60 deletions
Download patch file Download diff file Expand all files Collapse all files

7
glslang/MachineIndependent/Versions.cpp
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@ -184,6 +184,7 @@ void TParseVersions::initializeExtensionBehavior()
extensionBehavior[E_GL_ARB_shader_texture_image_samples] = EBhDisable;
extensionBehavior[E_GL_ARB_viewport_array] = EBhDisable;
extensionBehavior[E_GL_ARB_gpu_shader_int64] = EBhDisable;
extensionBehavior[E_GL_ARB_gpu_shader_fp64] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_ballot] = EBhDisable;
extensionBehavior[E_GL_ARB_sparse_texture2] = EBhDisable;
extensionBehavior[E_GL_ARB_sparse_texture_clamp] = EBhDisable;
@ -394,6 +395,7 @@ void TParseVersions::getPreamble(std::string& preamble)
"#define GL_ARB_shader_texture_image_samples 1\n"
"#define GL_ARB_viewport_array 1\n"
"#define GL_ARB_gpu_shader_int64 1\n"
"#define GL_ARB_gpu_shader_fp64 1\n"
"#define GL_ARB_shader_ballot 1\n"
"#define GL_ARB_sparse_texture2 1\n"
"#define GL_ARB_sparse_texture_clamp 1\n"
@ -923,10 +925,11 @@ void TParseVersions::fullIntegerCheck(const TSourceLoc& loc, const char* op)
}
// Call for any operation needing GLSL double data-type support.
void TParseVersions::doubleCheck(const TSourceLoc& loc, const char* op)
void TParseVersions::doubleCheck(const TSourceLoc& loc, const char* op, bool builtIn)
{
requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 400, nullptr, op);
if (!builtIn)
profileRequires(loc, ECoreProfile | ECompatibilityProfile, 400, E_GL_ARB_gpu_shader_fp64, op);
}
// Call for any operation needing GLSL float16 data-type support.