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Merge pull request #2851 from chaoticbob/version-override

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Added GLSL version override functionality and CLI
This commit is contained in:
Greg Fischer
2022-03-24 17:51:54 -06:00
committed by GitHub
parent f25ca1ec5e 3c12f20bcb
commit f1d286fcc2
18 changed files with 175 additions and 6 deletions
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4
glslang/CInterface/glslang_c_interface.cpp
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@@ -375,7 +375,11 @@ GLSLANG_EXPORT void glslang_shader_set_options(glslang_shader_t* shader, int opt
if (options & GLSLANG_SHADER_VULKAN_RULES_RELAXED) {
shader->shader->setEnvInputVulkanRulesRelaxed();
}
}
GLSLANG_EXPORT void glslang_shader_set_glsl_version(glslang_shader_t* shader, int version)
{
shader->shader->setOverrideVersion(version);
}
GLSLANG_EXPORT const char* glslang_shader_get_preprocessed_code(glslang_shader_t* shader)

1
glslang/Include/glslang_c_interface.h
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@@ -227,6 +227,7 @@ GLSLANG_EXPORT void glslang_shader_delete(glslang_shader_t* shader);
GLSLANG_EXPORT void glslang_shader_shift_binding(glslang_shader_t* shader, glslang_resource_type_t res, unsigned int base);
GLSLANG_EXPORT void glslang_shader_shift_binding_for_set(glslang_shader_t* shader, glslang_resource_type_t res, unsigned int base, unsigned int set);
GLSLANG_EXPORT void glslang_shader_set_options(glslang_shader_t* shader, int options); // glslang_shader_options_t
GLSLANG_EXPORT void glslang_shader_set_glsl_version(glslang_shader_t* shader, int version);
GLSLANG_EXPORT int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* input);
GLSLANG_EXPORT int glslang_shader_parse(glslang_shader_t* shader, const glslang_input_t* input);
GLSLANG_EXPORT const char* glslang_shader_get_preprocessed_code(glslang_shader_t* shader);

23
glslang/MachineIndependent/ShaderLang.cpp
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@@ -813,6 +813,7 @@ bool ProcessDeferred(
// set version/profile to defaultVersion/defaultProfile regardless of the #version
// directive in the source code
bool forceDefaultVersionAndProfile,
int overrideVersion, // overrides version specified by #verison or default version
bool forwardCompatible, // give errors for use of deprecated features
EShMessages messages, // warnings/errors/AST; things to print out
TIntermediate& intermediate, // returned tree, etc.
@@ -900,6 +901,9 @@ bool ProcessDeferred(
version = defaultVersion;
profile = defaultProfile;
}
if (source == EShSourceGlsl && overrideVersion != 0) {
version = overrideVersion;
}
bool goodVersion = DeduceVersionProfile(compiler->infoSink, stage,
versionNotFirst, defaultVersion, source, version, profile, spvVersion);
@@ -1275,6 +1279,7 @@ bool PreprocessDeferred(
int defaultVersion, // use 100 for ES environment, 110 for desktop
EProfile defaultProfile,
bool forceDefaultVersionAndProfile,
int overrideVersion, // use 0 if not overriding GLSL version
bool forwardCompatible, // give errors for use of deprecated features
EShMessages messages, // warnings/errors/AST; things to print out
TShader::Includer& includer,
@@ -1285,7 +1290,7 @@ bool PreprocessDeferred(
DoPreprocessing parser(outputString);
return ProcessDeferred(compiler, shaderStrings, numStrings, inputLengths, stringNames,
preamble, optLevel, resources, defaultVersion,
defaultProfile, forceDefaultVersionAndProfile,
defaultProfile, forceDefaultVersionAndProfile, overrideVersion,
forwardCompatible, messages, intermediate, parser,
false, includer, "", environment);
}
@@ -1314,6 +1319,7 @@ bool CompileDeferred(
int defaultVersion, // use 100 for ES environment, 110 for desktop
EProfile defaultProfile,
bool forceDefaultVersionAndProfile,
int overrideVersion, // use 0 if not overriding GLSL version
bool forwardCompatible, // give errors for use of deprecated features
EShMessages messages, // warnings/errors/AST; things to print out
TIntermediate& intermediate,// returned tree, etc.
@@ -1324,7 +1330,7 @@ bool CompileDeferred(
DoFullParse parser;
return ProcessDeferred(compiler, shaderStrings, numStrings, inputLengths, stringNames,
preamble, optLevel, resources, defaultVersion,
defaultProfile, forceDefaultVersionAndProfile,
defaultProfile, forceDefaultVersionAndProfile, overrideVersion,
forwardCompatible, messages, intermediate, parser,
true, includer, sourceEntryPointName, environment);
}
@@ -1498,7 +1504,7 @@ int ShCompile(
TIntermediate intermediate(compiler->getLanguage());
TShader::ForbidIncluder includer;
bool success = CompileDeferred(compiler, shaderStrings, numStrings, inputLengths, nullptr,
"", optLevel, resources, defaultVersion, ENoProfile, false,
"", optLevel, resources, defaultVersion, ENoProfile, false, 0,
forwardCompatible, messages, intermediate, includer);
//
@@ -1759,7 +1765,7 @@ public:
};
TShader::TShader(EShLanguage s)
: stage(s), lengths(nullptr), stringNames(nullptr), preamble("")
: stage(s), lengths(nullptr), stringNames(nullptr), preamble(""), overrideVersion(0)
{
pool = new TPoolAllocator;
infoSink = new TInfoSink;
@@ -1828,6 +1834,11 @@ void TShader::setUniqueId(unsigned long long id)
intermediate->setUniqueId(id);
}
void TShader::setOverrideVersion(int version)
{
overrideVersion = version;
}
void TShader::setInvertY(bool invert) { intermediate->setInvertY(invert); }
void TShader::setDxPositionW(bool invert) { intermediate->setDxPositionW(invert); }
void TShader::setEnhancedMsgs() { intermediate->setEnhancedMsgs(); }
@@ -1910,7 +1921,7 @@ bool TShader::parse(const TBuiltInResource* builtInResources, int defaultVersion
return CompileDeferred(compiler, strings, numStrings, lengths, stringNames,
preamble, EShOptNone, builtInResources, defaultVersion,
defaultProfile, forceDefaultVersionAndProfile,
defaultProfile, forceDefaultVersionAndProfile, overrideVersion,
forwardCompatible, messages, *intermediate, includer, sourceEntryPointName,
&environment);
}
@@ -1937,7 +1948,7 @@ bool TShader::preprocess(const TBuiltInResource* builtInResources,
return PreprocessDeferred(compiler, strings, numStrings, lengths, stringNames, preamble,
EShOptNone, builtInResources, defaultVersion,
defaultProfile, forceDefaultVersionAndProfile,
defaultProfile, forceDefaultVersionAndProfile, overrideVersion,
forwardCompatible, message, includer, *intermediate, output_string,
&environment);
}

4
glslang/Public/ShaderLang.h
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@@ -471,6 +471,7 @@ public:
GLSLANG_EXPORT void setSourceEntryPoint(const char* sourceEntryPointName);
GLSLANG_EXPORT void addProcesses(const std::vector<std::string>&);
GLSLANG_EXPORT void setUniqueId(unsigned long long id);
GLSLANG_EXPORT void setOverrideVersion(int version);
// IO resolver binding data: see comments in ShaderLang.cpp
GLSLANG_EXPORT void setShiftBinding(TResourceType res, unsigned int base);
@@ -711,6 +712,9 @@ protected:
// a function in the source string can be renamed FROM this TO the name given in setEntryPoint.
std::string sourceEntryPointName;
// overrides #version in shader source or default version if #version isn't present
int overrideVersion;
TEnvironment environment;
friend class TProgram;