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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.
*/
#include "GrImmediateDrawTarget.h"
#include "GrBatch.h"
#include "GrGpu.h"
#include "GrPipeline.h"
#include "GrRenderTarget.h"
#include "SkRect.h"
#include "SkTypes.h"
GrImmediateDrawTarget::GrImmediateDrawTarget(GrContext* context)
: INHERITED(context)
, fBatchTarget(this->getGpu())
, fDrawID(0) {
}
GrImmediateDrawTarget::~GrImmediateDrawTarget() {
this->reset();
}
void GrImmediateDrawTarget::onDrawBatch(GrBatch* batch,
const PipelineInfo& pipelineInfo) {
SkAlignedSStorage<sizeof(GrPipeline)> pipelineStorage;
GrPipeline* pipeline = reinterpret_cast<GrPipeline*>(pipelineStorage.get());
if (!this->setupPipelineAndShouldDraw(pipeline, pipelineInfo)) {
pipeline->~GrPipeline();
return;
}
batch->initBatchTracker(pipeline->infoForPrimitiveProcessor());
fBatchTarget.resetNumberOfDraws();
batch->generateGeometry(&fBatchTarget, pipeline);
batch->setNumberOfDraws(fBatchTarget.numberOfDraws());
fBatchTarget.preFlush();
fBatchTarget.flushNext(batch->numberOfDraws());
fBatchTarget.postFlush();
pipeline->~GrPipeline();
}
void GrImmediateDrawTarget::onClear(const SkIRect* rect, GrColor color,
bool canIgnoreRect, GrRenderTarget* renderTarget) {
this->getGpu()->clear(rect, color, canIgnoreRect, renderTarget);
}
void GrImmediateDrawTarget::clearStencilClip(const SkIRect& rect,
bool insideClip,
GrRenderTarget* renderTarget) {
this->getGpu()->clearStencilClip(rect, insideClip, renderTarget);
}
void GrImmediateDrawTarget::discard(GrRenderTarget* renderTarget) {
if (!this->caps()->discardRenderTargetSupport()) {
return;
}
this->getGpu()->discard(renderTarget);
}
void GrImmediateDrawTarget::onReset() {
fBatchTarget.reset();
}
void GrImmediateDrawTarget::onFlush() {
++fDrawID;
}
bool
GrImmediateDrawTarget::setupPipelineAndShouldDraw(GrPipeline* pipeline,
const GrDrawTarget::PipelineInfo& pipelineInfo) {
this->setupPipeline(pipelineInfo, pipeline);
if (pipeline->mustSkip()) {
return false;
}
this->recordXferBarrierIfNecessary(pipeline);
return true;
}
void GrImmediateDrawTarget::recordXferBarrierIfNecessary(const GrPipeline* pipeline) {
const GrXferProcessor& xp = *pipeline->getXferProcessor();
GrRenderTarget* rt = pipeline->getRenderTarget();
GrXferBarrierType barrierType;
if (xp.willNeedXferBarrier(rt, *this->caps(), &barrierType)) {
this->getGpu()->xferBarrier(rt, barrierType);
}
}
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