BeeEngine/glslang-zig
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

SPV: Implement Vulkan version of GLSL (KHR_vulkan_glsl).

Browse source
This commit is contained in:
John Kessenich 2016-02-15 20:58:50 -07:00
parent 019f08fcd8
commit 6c292d3ba7
200 changed files with 7841 additions and 5577 deletions
Download patch file Download diff file Expand all files Collapse all files

37
glslang/MachineIndependent/Versions.cpp
View file

@ -173,6 +173,7 @@ void TParseContext::initializeExtensionBehavior()
extensionBehavior[E_GL_ARB_derivative_control] = EBhDisable;
extensionBehavior[E_GL_ARB_shader_texture_image_samples] = EBhDisable;
extensionBehavior[E_GL_ARB_viewport_array] = EBhDisable;
extensionBehavior[E_GL_ARB_gl_spirv] = EBhDisable;
extensionBehavior[E_GL_ARB_sparse_texture2] = EBhDisable;
extensionBehavior[E_GL_ARB_sparse_texture_clamp] = EBhDisable;
// extensionBehavior[E_GL_ARB_cull_distance] = EBhDisable; // present for 4.5, but need extension control over block members
@ -276,6 +277,7 @@ const char* TParseContext::getPreamble()
"#define GL_ARB_derivative_control 1\n"
"#define GL_ARB_shader_texture_image_samples 1\n"
"#define GL_ARB_viewport_array 1\n"
"#define GL_ARB_gl_spirv 1\n"
"#define GL_ARB_sparse_texture2 1\n"
"#define GL_ARB_sparse_texture_clamp 1\n"
@ -564,6 +566,9 @@ void TParseContext::updateExtensionBehavior(int line, const char* extension, con
updateExtensionBehavior(line, "GL_OES_shader_io_blocks", behaviorString);
else if (strcmp(extension, "GL_GOOGLE_include_directive") == 0)
updateExtensionBehavior(line, "GL_GOOGLE_cpp_style_line_directive", behaviorString);
// SPIR-V
else if (strcmp(extension, "GL_ARB_gl_spirv") == 0)
spv = 100;
}
void TParseContext::updateExtensionBehavior(const char* extension, TExtensionBehavior behavior)
@ -606,18 +611,14 @@ void TParseContext::updateExtensionBehavior(const char* extension, TExtensionBeh
}
}
//
// Call for any operation needing full GLSL integer data-type support.
//
void TParseContext::fullIntegerCheck(const TSourceLoc& loc, const char* op)
{
profileRequires(loc, ENoProfile, 130, nullptr, op);
profileRequires(loc, EEsProfile, 300, nullptr, op);
}
//
// Call for any operation needing GLSL double data-type support.
//
void TParseContext::doubleCheck(const TSourceLoc& loc, const char* op)
{
requireProfile(loc, ECoreProfile | ECompatibilityProfile, op);
@ -625,4 +626,32 @@ void TParseContext::doubleCheck(const TSourceLoc& loc, const char* op)
profileRequires(loc, ECompatibilityProfile, 400, nullptr, op);
}
// Call for any operation removed because SPIR-V is in use.
void TParseContext::spvRemoved(const TSourceLoc& loc, const char* op)
{
if (spv > 0)
error(loc, "not allowed when generating SPIR-V", op, "");
}
// Call for any operation removed because Vulkan SPIR-V is being generated.
void TParseContext::vulkanRemoved(const TSourceLoc& loc, const char* op)
{
if (vulkan > 0)
error(loc, "not allowed when using GLSL for Vulkan", op, "");
}
// Call for any operation that requires Vulkan.
void TParseContext::requireVulkan(const TSourceLoc& loc, const char* op)
{
if (vulkan == 0)
error(loc, "only allowed when using GLSL for Vulkan", op, "");
}
// Call for any operation that requires SPIR-V.
void TParseContext::requireSpv(const TSourceLoc& loc, const char* op)
{
if (spv == 0)
error(loc, "only allowed when generating SPIR-V", op, "");
}
} // end namespace glslang