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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrDrawPathBatch_DEFINED
#define GrDrawPathBatch_DEFINED
#include "GrDrawBatch.h"
#include "GrGpu.h"
#include "GrPath.h"
#include "GrPathRendering.h"
#include "GrPathProcessor.h"
class GrDrawPathBatch final : public GrDrawBatch {
public:
// This must return the concrete type because we install the stencil settings late :(
static GrDrawPathBatch* Create(const GrPathProcessor* primProc, const GrPath* path) {
return new GrDrawPathBatch(primProc, path);
}
const char* name() const override { return "DrawPath"; }
SkString dumpInfo() const override {
SkString string;
string.printf("PATH: 0x%p", fPath.get());
return string;
}
void getInvariantOutputColor(GrInitInvariantOutput* out) const override {
fPrimitiveProcessor->getInvariantOutputColor(out);
}
void getInvariantOutputCoverage(GrInitInvariantOutput* out) const override {
fPrimitiveProcessor->getInvariantOutputCoverage(out);
}
void setStencilSettings(const GrStencilSettings& stencil) { fStencilSettings = stencil; }
private:
GrBatchTracker* tracker() { return reinterpret_cast<GrBatchTracker*>(&fWhatchamacallit); }
GrDrawPathBatch(const GrPathProcessor* primProc, const GrPath* path)
: fPrimitiveProcessor(primProc)
, fPath(path) {
fBounds = path->getBounds();
primProc->viewMatrix().mapRect(&fBounds);
this->initClassID<GrDrawPathBatch>();
}
void initBatchTracker(const GrPipelineOptimizations& opts) override {
fPrimitiveProcessor->initBatchTracker(this->tracker(), opts);
}
bool onCombineIfPossible(GrBatch* t, const GrCaps& caps) override { return false; }
void onPrepare(GrBatchFlushState*) override {}
void onDraw(GrBatchFlushState* state) override {
GrProgramDesc desc;
state->gpu()->buildProgramDesc(&desc, *fPrimitiveProcessor.get(),
*this->pipeline(), *this->tracker());
GrPathRendering::DrawPathArgs args(fPrimitiveProcessor.get(), this->pipeline(),
&desc, this->tracker(), &fStencilSettings);
state->gpu()->pathRendering()->drawPath(args, fPath.get());
}
GrPendingProgramElement<const GrPathProcessor> fPrimitiveProcessor;
PathBatchTracker fWhatchamacallit; // TODO: delete this
GrStencilSettings fStencilSettings;
GrPendingIOResource<const GrPath, kRead_GrIOType> fPath;
};
#endif
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