GrGLSLUniformHandler Class Reference

#include <GrGLSLUniformHandler.h>

Inheritance diagram for GrGLSLUniformHandler:

Classes
struct	UniformInfo

Public Types
using	UniformHandle = GrGLSLProgramDataManager::UniformHandle

Public Member Functions
virtual	~GrGLSLUniformHandler ()
UniformHandle	addUniform (const GrProcessor *owner, uint32_t visibility, SkSLType type, const char *name, const char **outName=nullptr)
UniformHandle	addUniformArray (const GrProcessor *owner, uint32_t visibility, SkSLType type, const char *name, int arrayCount, const char **outName=nullptr)
virtual const GrShaderVar &	getUniformVariable (UniformHandle u) const =0
virtual const char *	getUniformCStr (UniformHandle u) const =0
virtual int	numUniforms () const =0
virtual UniformInfo &	uniform (int idx)=0
virtual const UniformInfo &	uniform (int idx) const =0
GrShaderVar	getUniformMapping (const GrProcessor &owner, SkString rawName) const
GrShaderVar	liftUniformToVertexShader (const GrProcessor &owner, SkString rawName)

Protected Member Functions
	GrGLSLUniformHandler (GrGLSLProgramBuilder *program)

Protected Attributes
GrGLSLProgramBuilder *	fProgramBuilder

Private Member Functions
virtual const char *	samplerVariable (SamplerHandle) const =0
virtual skgpu::Swizzle	samplerSwizzle (SamplerHandle) const =0
virtual const char *	inputSamplerVariable (SamplerHandle) const
virtual skgpu::Swizzle	inputSamplerSwizzle (SamplerHandle) const
virtual SamplerHandle	addSampler (const GrBackendFormat &, GrSamplerState, const skgpu::Swizzle &, const char *name, const GrShaderCaps *)=0
virtual SamplerHandle	addInputSampler (const skgpu::Swizzle &swizzle, const char *name)
virtual UniformHandle	internalAddUniformArray (const GrProcessor *owner, uint32_t visibility, SkSLType type, const char *name, bool mangleName, int arrayCount, const char **outName)=0
virtual void	appendUniformDecls (GrShaderFlags visibility, SkString *) const =0

Friends
class	GrGLSLProgramBuilder

Detailed Description

Definition at line 41 of file GrGLSLUniformHandler.h.

Member Typedef Documentation

UniformHandle

using GrGLSLUniformHandler::UniformHandle = GrGLSLProgramDataManager::UniformHandle

Definition at line 52 of file GrGLSLUniformHandler.h.

Constructor & Destructor Documentation

~GrGLSLUniformHandler()

virtual GrGLSLUniformHandler::~GrGLSLUniformHandler ( )

inlinevirtual

Definition at line 50 of file GrGLSLUniformHandler.h.

{}

GrGLSLUniformHandler()

GrGLSLUniformHandler::GrGLSLUniformHandler ( GrGLSLProgramBuilder *  program )

inlineexplicitprotected

Definition at line 104 of file GrGLSLUniformHandler.h.

: fProgramBuilder(program) {}

Member Function Documentation

addInputSampler()

virtual SamplerHandle GrGLSLUniformHandler::addInputSampler ( const skgpu::Swizzle &  swizzle, const char *  name  )

inlineprivatevirtual

Reimplemented in GrVkUniformHandler.

Definition at line 125 of file GrGLSLUniformHandler.h.

                                                                                         {
        SkDEBUGFAIL("Trying to add input sampler to unsupported backend");
        return {};
    }

addSampler()

virtual SamplerHandle GrGLSLUniformHandler::addSampler ( const GrBackendFormat &  , GrSamplerState  , const skgpu::Swizzle &  , const char *  name, const GrShaderCaps *    )

privatepure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

addUniform()

UniformHandle GrGLSLUniformHandler::addUniform ( const GrProcessor *  owner, uint32_t  visibility, SkSLType  type, const char *  name, const char **  outName = nullptr  )

inline

Add a uniform variable to the current program, that has visibility in one or more shaders. visibility is a bitfield of GrShaderFlag values indicating from which shaders the uniform should be accessible. At least one bit must be set. Geometry shader uniforms are not supported at this time. The actual uniform name will be mangled. If outName is not nullptr then it will refer to the final uniform name after return. Use the addUniformArray variant to add an array of uniforms.

Definition at line 62 of file GrGLSLUniformHandler.h.

                                                             {
        SkASSERT(!SkSLTypeIsCombinedSamplerType(type));
        return this->addUniformArray(owner, visibility, type, name, 0, outName);
    }

addUniformArray()

UniformHandle GrGLSLUniformHandler::addUniformArray ( const GrProcessor *  owner, uint32_t  visibility, SkSLType  type, const char *  name, int  arrayCount, const char **  outName = nullptr  )

inline

Definition at line 71 of file GrGLSLUniformHandler.h.

                                                                  {
        SkASSERT(!SkSLTypeIsCombinedSamplerType(type));
        bool mangle = strncmp(name, GR_NO_MANGLE_PREFIX, strlen(GR_NO_MANGLE_PREFIX));
        return this->internalAddUniformArray(owner, visibility, type, name, mangle, arrayCount,
                                             outName);
    }

appendUniformDecls()

virtual void GrGLSLUniformHandler::appendUniformDecls ( GrShaderFlags  visibility, SkString *    ) const

privatepure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

getUniformCStr()

virtual const char * GrGLSLUniformHandler::getUniformCStr ( UniformHandle  u ) const

pure virtual

Shortcut for getUniformVariable(u).c_str()

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

getUniformMapping()

GrShaderVar GrGLSLUniformHandler::getUniformMapping	(	const GrProcessor &	owner,
		SkString	rawName
	)		const

Definition at line 10 of file GrGLSLUniformHandler.cpp.

                                                                            {
    for (int i = this->numUniforms() - 1; i >= 0; i--) {
        const UniformInfo& u = this->uniform(i);
        if (u.fOwner == &owner && u.fRawName == rawName) {
            return u.fVariable;
        }
    }
    return GrShaderVar();
}

getUniformVariable()

virtual const GrShaderVar & GrGLSLUniformHandler::getUniformVariable ( UniformHandle  u ) const

pure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

inputSamplerSwizzle()

virtual skgpu::Swizzle GrGLSLUniformHandler::inputSamplerSwizzle ( SamplerHandle  ) const

inlineprivatevirtual

Reimplemented in GrVkUniformHandler.

Definition at line 117 of file GrGLSLUniformHandler.h.

                                                                  {
        SkDEBUGFAIL("Trying to get input sampler swizzle from unsupported backend");
        return {};
    }

inputSamplerVariable()

virtual const char * GrGLSLUniformHandler::inputSamplerVariable ( SamplerHandle  ) const

inlineprivatevirtual

Reimplemented in GrVkUniformHandler.

Definition at line 113 of file GrGLSLUniformHandler.h.

                                                                  {
        SkDEBUGFAIL("Trying to get input sampler from unsupported backend");
        return nullptr;
    }

internalAddUniformArray()

virtual UniformHandle GrGLSLUniformHandler::internalAddUniformArray ( const GrProcessor *  owner, uint32_t  visibility, SkSLType  type, const char *  name, bool  mangleName, int  arrayCount, const char **  outName  )

privatepure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

liftUniformToVertexShader()

GrShaderVar GrGLSLUniformHandler::liftUniformToVertexShader	(	const GrProcessor &	owner,
		SkString	rawName
	)

Definition at line 21 of file GrGLSLUniformHandler.cpp.

                                                                              {
    for (int i = this->numUniforms() - 1; i >= 0; i--) {
        UniformInfo& u = this->uniform(i);
        if (u.fOwner == &owner && u.fRawName == rawName) {
            u.fVisibility |= kVertex_GrShaderFlag;
            return u.fVariable;
        }
    }
    // Uniform not found; it's better to return a void variable than to assert because sample
    // matrices that are uniform are treated the same for most of the code. When the sample
    // matrix expression can't be found as a uniform, we can infer it's a constant.
    return GrShaderVar();
}

numUniforms()

virtual int GrGLSLUniformHandler::numUniforms ( ) const

pure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

samplerSwizzle()

virtual skgpu::Swizzle GrGLSLUniformHandler::samplerSwizzle ( SamplerHandle  ) const

privatepure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

samplerVariable()

virtual const char * GrGLSLUniformHandler::samplerVariable ( SamplerHandle  ) const

privatepure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

uniform() [1/2]

virtual const UniformInfo & GrGLSLUniformHandler::uniform ( int  idx ) const

pure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

uniform() [2/2]

virtual UniformInfo & GrGLSLUniformHandler::uniform ( int  idx )

pure virtual

Implemented in GrGLUniformHandler, GrSPIRVUniformHandler, GrMtlUniformHandler, and GrVkUniformHandler.

Friends And Related Symbol Documentation

GrGLSLProgramBuilder

friend class GrGLSLProgramBuilder

friend

Definition at line 140 of file GrGLSLUniformHandler.h.

Member Data Documentation

fProgramBuilder

GrGLSLProgramBuilder* GrGLSLUniformHandler::fProgramBuilder

protected

Definition at line 107 of file GrGLSLUniformHandler.h.

---

The documentation for this class was generated from the following files:

• third_party/skia/src/gpu/ganesh/glsl/GrGLSLUniformHandler.h
• third_party/skia/src/gpu/ganesh/glsl/GrGLSLUniformHandler.cpp