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Reflect pipeline outputs as well as inputs, optionally from other stages

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* We add an option to reflect inputs from other stages than vertex, if only a
  later subset of the stages is linked into the program.
This commit is contained in:
baldurk 2019-01-29 16:04:44 +00:00
parent edf8212ab8
commit 0af5e3e346
17 changed files with 149 additions and 32 deletions
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15
glslang/Public/ShaderLang.h
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@ -246,6 +246,7 @@ typedef enum {
EShReflectionDefault = 0, // default is original behaviour before options were added
EShReflectionStrictArraySuffix = (1 << 0), // reflection will follow stricter rules for array-of-structs suffixes
EShReflectionBasicArraySuffix = (1 << 1), // arrays of basic types will be appended with [0] as in GL reflection
EShReflectionIntermediateIO = (1 << 2), // reflect inputs and outputs to program, even with no vertex shader
} EShReflectionOptions;
//
@ -737,8 +738,10 @@ public:
const TObjectReflection& getUniform(int index) const;
int getNumUniformBlocks() const;
const TObjectReflection& getUniformBlock(int index) const;
int getNumAttributes() const;
const TObjectReflection& getAttribute(int index) const;
int getNumPipeInputs() const;
const TObjectReflection& getPipeInput(int index) const;
int getNumPipeOutputs() const;
const TObjectReflection& getPipeOutput(int index) const;
// Legacy Reflection Interface - expressed in terms of above interface
int getNumLiveUniformVariables() const // can be used for glGetProgramiv(GL_ACTIVE_UNIFORMS)
@ -753,7 +756,7 @@ public:
int getNumLiveAttributes() const // can be used for glGetProgramiv(GL_ACTIVE_ATTRIBUTES)
{
return getNumAttributes();
return getNumPipeInputs();
}
int getUniformIndex(const char* name) const // can be used for glGetUniformIndices()
@ -828,17 +831,17 @@ public:
const char* getAttributeName(int index) const // can be used for glGetActiveAttrib()
{
return getAttribute(index).name.c_str();
return getPipeInput(index).name.c_str();
}
int getAttributeType(int index) const // can be used for glGetActiveAttrib()
{
return getAttribute(index).glDefineType;
return getPipeInput(index).glDefineType;
}
const TType* getAttributeTType(int index) const // returns a TType*
{
return getAttribute(index).getType();
return getPipeInput(index).getType();
}
void dumpReflection();