GrSPIRVUniformHandler Class Reference

#include <GrSPIRVUniformHandler.h>

Inheritance diagram for GrSPIRVUniformHandler:

Classes
struct	SPIRVUniformInfo

Public Types
enum	{ kUniformBinding = 0 , kUniformDescriptorSet = 0 , kSamplerTextureDescriptorSet = 1 }
typedef SkTBlockList< SPIRVUniformInfo >	UniformInfoArray
Public Types inherited from GrGLSLUniformHandler
using	UniformHandle = GrGLSLProgramDataManager::UniformHandle

Public Member Functions
const GrShaderVar &	getUniformVariable (UniformHandle u) const override
const char *	getUniformCStr (UniformHandle u) const override
uint32_t	getRTFlipOffset () const
int	numUniforms () const override
UniformInfo &	uniform (int idx) override
const UniformInfo &	uniform (int idx) const override
Public Member Functions inherited from GrGLSLUniformHandler
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)
GrShaderVar	getUniformMapping (const GrProcessor &owner, SkString rawName) const
GrShaderVar	liftUniformToVertexShader (const GrProcessor &owner, SkString rawName)

Static Public Attributes
static const int	kUniformsPerBlock = 8

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

Friends
class	GrD3DPipelineStateBuilder
class	GrDawnProgramBuilder

Additional Inherited Members
Protected Member Functions inherited from GrGLSLUniformHandler
	GrGLSLUniformHandler (GrGLSLProgramBuilder *program)
Protected Attributes inherited from GrGLSLUniformHandler
GrGLSLProgramBuilder *	fProgramBuilder

Detailed Description

Definition at line 21 of file GrSPIRVUniformHandler.h.

Member Typedef Documentation

UniformInfoArray

typedef SkTBlockList<SPIRVUniformInfo> GrSPIRVUniformHandler::UniformInfoArray

Definition at line 31 of file GrSPIRVUniformHandler.h.

Member Enumeration Documentation

anonymous enum

anonymous enum

Enumerator
kUniformBinding
kUniformDescriptorSet
kSamplerTextureDescriptorSet

Definition at line 32 of file GrSPIRVUniformHandler.h.

         {
        kUniformBinding = 0,
        kUniformDescriptorSet = 0,
        kSamplerTextureDescriptorSet = 1,
    };

Member Function Documentation

addSampler()

GrGLSLUniformHandler::SamplerHandle GrSPIRVUniformHandler::addSampler ( const GrBackendFormat &  backendFormat, GrSamplerState  , const skgpu::Swizzle &  swizzle, const char *  name, const GrShaderCaps *  caps  )

overrideprivatevirtual

Implements GrGLSLUniformHandler.

Definition at line 227 of file GrSPIRVUniformHandler.cpp.

                                  {
    SkASSERT(name && strlen(name));
 
    int binding = fSamplers.count() * 2;
 
    SkString mangleName = fProgramBuilder->nameVariable('u', name, /*mangle=*/true);
    SkString layoutQualifier = SkStringPrintf("direct3d, set = %d, sampler = %d, texture = %d",
                                              kSamplerTextureDescriptorSet,
                                              binding,
                                              binding + 1);
 
    SPIRVUniformInfo& uniformInfo = fSamplers.emplace_back();
    uniformInfo.fVariable =
            GrShaderVar{std::move(mangleName),
                        SkSLCombinedSamplerTypeForTextureType(backendFormat.textureType()),
                        GrShaderVar::TypeModifier::None,
                        GrShaderVar::kNonArray,
                        std::move(layoutQualifier),
                        SkString()};
 
    uniformInfo.fVisibility = kFragment_GrShaderFlag;
    uniformInfo.fOwner      = nullptr;
    uniformInfo.fRawName    = SkString(name);
    uniformInfo.fUBOOffset  = 0;
 
    fSamplerSwizzles.push_back(swizzle);
    SkASSERT(fSamplerSwizzles.size() == fSamplers.count());
 
    return GrGLSLUniformHandler::SamplerHandle(fSamplers.count() - 1);
}

appendUniformDecls()

void GrSPIRVUniformHandler::appendUniformDecls ( GrShaderFlags  visibility, SkString *  out  ) const

overrideprivatevirtual

Implements GrGLSLUniformHandler.

Definition at line 273 of file GrSPIRVUniformHandler.cpp.

                                                                                            {
    for (const SPIRVUniformInfo& sampler : fSamplers.items()) {
        if (sampler.fVisibility & visibility) {
            sampler.fVariable.appendDecl(fProgramBuilder->shaderCaps(), out);
            out->append(";\n");
        }
    }
    SkString uniformsString;
    for (const UniformInfo& uniform : fUniforms.items()) {
        if (uniform.fVisibility & visibility) {
            uniform.fVariable.appendDecl(fProgramBuilder->shaderCaps(), &uniformsString);
            uniformsString.append(";\n");
        }
    }
    if (!uniformsString.isEmpty()) {
        out->appendf("layout (set = %d, binding = %d) uniform UniformBuffer\n{\n",
                     kUniformDescriptorSet, kUniformBinding);
        out->appendf("%s\n};\n", uniformsString.c_str());
    }
}

getRTFlipOffset()

uint32_t GrSPIRVUniformHandler::getRTFlipOffset

(

)

const

Definition at line 294 of file GrSPIRVUniformHandler.cpp.

                                                      {
    uint32_t currentOffset = fCurrentUBOOffset;
    return get_ubo_offset(&currentOffset, SkSLType::kFloat2, 0);
}

getUniformCStr()

const char * GrSPIRVUniformHandler::getUniformCStr ( UniformHandle  u ) const

overridevirtual

Shortcut for getUniformVariable(u).c_str()

Implements GrGLSLUniformHandler.

Definition at line 22 of file GrSPIRVUniformHandler.cpp.

                                                                       {
    return fUniforms.item(u.toIndex()).fVariable.getName().c_str();
}

getUniformVariable()

const GrShaderVar & GrSPIRVUniformHandler::getUniformVariable ( UniformHandle  u ) const

overridevirtual

Implements GrGLSLUniformHandler.

Definition at line 18 of file GrSPIRVUniformHandler.cpp.

                                                                                  {
    return fUniforms.item(u.toIndex()).fVariable;
}

internalAddUniformArray()

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

overrideprivatevirtual

Implements GrGLSLUniformHandler.

Definition at line 188 of file GrSPIRVUniformHandler.cpp.

                              {
    char prefix = 'u';
    if ('u' == name[0] || !strncmp(name, GR_NO_MANGLE_PREFIX, strlen(GR_NO_MANGLE_PREFIX))) {
        prefix = '\0';
    }
    SkString resolvedName = fProgramBuilder->nameVariable(prefix, name, mangleName);
 
    int offset = get_ubo_offset(&fCurrentUBOOffset, type, arrayCount);
    SkString layoutQualifier;
    layoutQualifier.appendf("offset = %d", offset);
 
    SPIRVUniformInfo tempInfo;
    tempInfo.fVariable = GrShaderVar{std::move(resolvedName),
                                     type,
                                     GrShaderVar::TypeModifier::None,
                                     arrayCount,
                                     std::move(layoutQualifier),
                                     SkString()};
 
    tempInfo.fVisibility = visibility;
    tempInfo.fOwner      = owner;
    tempInfo.fRawName    = SkString(name);
    tempInfo.fUBOOffset  = offset;
 
    fUniforms.push_back(tempInfo);
 
    if (outName) {
        *outName = fUniforms.back().fVariable.c_str();
    }
    return GrGLSLUniformHandler::UniformHandle(fUniforms.count() - 1);
}

numUniforms()

int GrSPIRVUniformHandler::numUniforms ( ) const

inlineoverridevirtual

Implements GrGLSLUniformHandler.

Definition at line 39 of file GrSPIRVUniformHandler.h.

                                     {
        return fUniforms.count();
    }

samplerSwizzle()

skgpu::Swizzle GrSPIRVUniformHandler::samplerSwizzle ( SamplerHandle  handle ) const

overrideprivatevirtual

Implements GrGLSLUniformHandler.

Definition at line 268 of file GrSPIRVUniformHandler.cpp.

                                                        {
    return fSamplerSwizzles[handle.toIndex()];
}

samplerVariable()

const char * GrSPIRVUniformHandler::samplerVariable ( SamplerHandle  handle ) const

overrideprivatevirtual

Implements GrGLSLUniformHandler.

Definition at line 263 of file GrSPIRVUniformHandler.cpp.

                                                        {
    return fSamplers.item(handle.toIndex()).fVariable.getName().c_str();
}

uniform() [1/2]

const UniformInfo & GrSPIRVUniformHandler::uniform ( int  idx ) const

inlineoverridevirtual

Implements GrGLSLUniformHandler.

Definition at line 46 of file GrSPIRVUniformHandler.h.

                                                       {
        return fUniforms.item(idx);
    }

uniform() [2/2]

UniformInfo & GrSPIRVUniformHandler::uniform ( int  idx )

inlineoverridevirtual

Implements GrGLSLUniformHandler.

Definition at line 43 of file GrSPIRVUniformHandler.h.

                                           {
        return fUniforms.item(idx);
    }

Friends And Related Symbol Documentation

GrD3DPipelineStateBuilder

friend class GrD3DPipelineStateBuilder

friend

Definition at line 73 of file GrSPIRVUniformHandler.h.

GrDawnProgramBuilder

friend class GrDawnProgramBuilder

friend

Definition at line 74 of file GrSPIRVUniformHandler.h.

Member Data Documentation

kUniformsPerBlock

const int GrSPIRVUniformHandler::kUniformsPerBlock = 8

static

Definition at line 23 of file GrSPIRVUniformHandler.h.

---

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

• third_party/skia/src/gpu/ganesh/GrSPIRVUniformHandler.h
• third_party/skia/src/gpu/ganesh/GrSPIRVUniformHandler.cpp