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/*
* Copyright 2019 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrProgramInfo_DEFINED
#define GrProgramInfo_DEFINED
#include "include/gpu/GrTypes.h"
#include "src/gpu/GrPipeline.h"
#include "src/gpu/GrPrimitiveProcessor.h"
class GrMesh;
class GrStencilSettings;
class GrProgramInfo {
public:
GrProgramInfo(int numSamples,
int numStencilSamples,
const GrBackendFormat& backendFormat,
GrSurfaceOrigin origin,
const GrPipeline* pipeline,
const GrPrimitiveProcessor* primProc,
const GrPipeline::FixedDynamicState* fixedDynamicState,
const GrPipeline::DynamicStateArrays* dynamicStateArrays,
int numDynamicStateArrays,
GrPrimitiveType primitiveType)
: fNumRasterSamples(pipeline->isStencilEnabled() ? numStencilSamples : numSamples)
, fIsMixedSampled(fNumRasterSamples > numSamples)
, fBackendFormat(backendFormat)
, fOrigin(origin)
, fPipeline(pipeline)
, fPrimProc(primProc)
, fFixedDynamicState(fixedDynamicState)
, fDynamicStateArrays(dynamicStateArrays)
, fNumDynamicStateArrays(numDynamicStateArrays)
, fPrimitiveType(primitiveType) {
SkASSERT(fNumRasterSamples > 0);
fRequestedFeatures = fPrimProc->requestedFeatures();
for (int i = 0; i < fPipeline->numFragmentProcessors(); ++i) {
fRequestedFeatures |= fPipeline->getFragmentProcessor(i).requestedFeatures();
}
fRequestedFeatures |= fPipeline->getXferProcessor().requestedFeatures();
SkDEBUGCODE(this->validate(false);)
(void) fNumDynamicStateArrays; // touch this to quiet unused member warnings
}
GrProcessor::CustomFeatures requestedFeatures() const { return fRequestedFeatures; }
int numRasterSamples() const { return fNumRasterSamples; }
bool isMixedSampled() const { return fIsMixedSampled; }
// The backend format of the destination render target [proxy]
const GrBackendFormat& backendFormat() const { return fBackendFormat; }
GrSurfaceOrigin origin() const { return fOrigin; }
const GrPipeline& pipeline() const { return *fPipeline; }
const GrPrimitiveProcessor& primProc() const { return *fPrimProc; }
const GrPipeline::FixedDynamicState* fixedDynamicState() const { return fFixedDynamicState; }
bool hasDynamicScissors() const {
return fPipeline->isScissorEnabled() &&
fDynamicStateArrays && fDynamicStateArrays->fScissorRects;
}
const SkIRect& dynamicScissor(int i) const {
SkASSERT(this->hasDynamicScissors());
return fDynamicStateArrays->fScissorRects[i];
}
bool hasFixedScissor() const { return fPipeline->isScissorEnabled() && fFixedDynamicState; }
const SkIRect& fixedScissor() const {
SkASSERT(this->hasFixedScissor());
return fFixedDynamicState->fScissorRect;
}
bool hasDynamicPrimProcTextures() const {
return fDynamicStateArrays && fDynamicStateArrays->fPrimitiveProcessorTextures;
}
const GrSurfaceProxy* const* dynamicPrimProcTextures(int i) const {
SkASSERT(this->hasDynamicPrimProcTextures());
SkASSERT(i < fNumDynamicStateArrays);
return fDynamicStateArrays->fPrimitiveProcessorTextures +
i * fPrimProc->numTextureSamplers();
}
bool hasFixedPrimProcTextures() const {
return fFixedDynamicState && fFixedDynamicState->fPrimitiveProcessorTextures;
}
const GrSurfaceProxy* const* fixedPrimProcTextures() const {
SkASSERT(this->hasFixedPrimProcTextures());
return fFixedDynamicState->fPrimitiveProcessorTextures;
}
GrPrimitiveType primitiveType() const { return fPrimitiveType; }
// For Dawn, Metal and Vulkan the number of stencil bits is known a priori so we can
// create the stencil settings here.
GrStencilSettings nonGLStencilSettings() const;
void visitProxies(const GrOp::VisitProxyFunc& fn) const {
fPipeline->visitProxies(fn);
}
#ifdef SK_DEBUG
void validate(bool flushTime) const;
void checkAllInstantiated() const;
void checkMSAAAndMIPSAreResolved() const;
void compatibleWithMeshes(const GrMesh meshes[], int meshCount) const;
bool isNVPR() const {
return fPrimProc->isPathRendering() && !fPrimProc->willUseGeoShader() &&
!fPrimProc->numVertexAttributes() && !fPrimProc->numInstanceAttributes();
}
#endif
private:
const int fNumRasterSamples;
const bool fIsMixedSampled;
const GrBackendFormat fBackendFormat;
const GrSurfaceOrigin fOrigin;
const GrPipeline* fPipeline;
const GrPrimitiveProcessor* fPrimProc;
const GrPipeline::FixedDynamicState* fFixedDynamicState;
const GrPipeline::DynamicStateArrays* fDynamicStateArrays;
const int fNumDynamicStateArrays;
GrProcessor::CustomFeatures fRequestedFeatures;
GrPrimitiveType fPrimitiveType;
};
#endif