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Infrastructure: Non-functional: Move to rich description of environment.

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This is for input languages, client APIs, code to generate, etc.
This commit is contained in:
John Kessenich 2017-06-23 10:50:22 -06:00
parent 4fbb8cb45e
commit 4be4aebdcd
6 changed files with 191 additions and 34 deletions
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17
glslang/MachineIndependent/Versions.h
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@ -72,14 +72,19 @@ inline const char* ProfileName(EProfile profile)
}
//
// SPIR-V has versions for multiple things; tie them together.
// 0 means a target or rule set is not enabled.
// What source rules, validation rules, target language, etc. are needed
// desired for SPIR-V?
//
// 0 means a target or rule set is not enabled (ignore rules from that entity).
// Non-0 means to apply semantic rules arising from that version of its rule set.
// The union of all requested rule sets will be applied.
//
struct SpvVersion {
SpvVersion() : spv(0), vulkan(0), openGl(0) {}
unsigned int spv; // the version of the targeted SPIR-V, as defined by SPIR-V in word 1 of the SPIR-V binary header
int vulkan; // the version of semantics for Vulkan; e.g., for GLSL from KHR_vulkan_glsl "#define VULKAN"
int openGl; // the version of semantics for OpenGL; e.g., for GLSL from KHR_vulkan_glsl "#define GL_SPIRV"
SpvVersion() : spv(0), vulkanGlsl(0), vulkan(0), openGl(0) {}
unsigned int spv; // the version of SPIR-V to target, as defined by "word 1" of the SPIR-V binary header
int vulkanGlsl; // the version of GLSL semantics for Vulkan, from GL_KHR_vulkan_glsl, for "#define VULKAN XXX"
int vulkan; // the version of Vulkan, for which SPIR-V execution environment rules to use (100 means 1.0)
int openGl; // the version of GLSL semantics for OpenGL, from GL_ARB_gl_spirv, for "#define GL_SPIRV XXX"
};
//