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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 "GrOpFlushState.h"
#include "GrContextPriv.h"
#include "GrDrawOpAtlas.h"
#include "GrGpu.h"
#include "GrResourceProvider.h"
#include "GrTexture.h"
//////////////////////////////////////////////////////////////////////////////
GrOpFlushState::GrOpFlushState(GrGpu* gpu,
GrResourceProvider* resourceProvider,
GrTokenTracker* tokenTracker)
: fVertexPool(gpu)
, fIndexPool(gpu)
, fGpu(gpu)
, fResourceProvider(resourceProvider)
, fTokenTracker(tokenTracker) {
}
const GrCaps& GrOpFlushState::caps() const {
return *fGpu->caps();
}
GrGpuRTCommandBuffer* GrOpFlushState::rtCommandBuffer() {
return fCommandBuffer->asRTCommandBuffer();
}
void GrOpFlushState::executeDrawsAndUploadsForMeshDrawOp(uint32_t opID, const SkRect& opBounds) {
SkASSERT(this->rtCommandBuffer());
while (fCurrDraw != fDraws.end() && fCurrDraw->fOpID == opID) {
GrDeferredUploadToken drawToken = fTokenTracker->nextTokenToFlush();
while (fCurrUpload != fInlineUploads.end() &&
fCurrUpload->fUploadBeforeToken == drawToken) {
this->rtCommandBuffer()->inlineUpload(this, fCurrUpload->fUpload);
++fCurrUpload;
}
SkASSERT(fCurrDraw->fPipeline->proxy() == this->drawOpArgs().fProxy);
this->rtCommandBuffer()->draw(*fCurrDraw->fGeometryProcessor, *fCurrDraw->fPipeline,
fCurrDraw->fFixedDynamicState, fCurrDraw->fDynamicStateArrays,
fMeshes.begin() + fCurrMesh, fCurrDraw->fMeshCnt, opBounds);
fCurrMesh += fCurrDraw->fMeshCnt;
fTokenTracker->flushToken();
++fCurrDraw;
}
}
void GrOpFlushState::preExecuteDraws() {
fVertexPool.unmap();
fIndexPool.unmap();
for (auto& upload : fASAPUploads) {
this->doUpload(upload);
}
// Setup execution iterators.
fCurrDraw = fDraws.begin();
fCurrUpload = fInlineUploads.begin();
fCurrMesh = 0;
}
void GrOpFlushState::reset() {
SkASSERT(fCurrDraw == fDraws.end());
SkASSERT(fCurrUpload == fInlineUploads.end());
fVertexPool.reset();
fIndexPool.reset();
fArena.reset();
fASAPUploads.reset();
fInlineUploads.reset();
fDraws.reset();
fMeshes.reset();
fCurrMesh = 0;
fBaseDrawToken = GrDeferredUploadToken::AlreadyFlushedToken();
}
void GrOpFlushState::doUpload(GrDeferredTextureUploadFn& upload) {
GrDeferredTextureUploadWritePixelsFn wp = [this](GrTextureProxy* dstProxy, int left, int top,
int width, int height,
GrColorType srcColorType, const void* buffer,
size_t rowBytes) {
GrSurface* dstSurface = dstProxy->priv().peekSurface();
if (!fGpu->caps()->surfaceSupportsWritePixels(dstSurface) &&
fGpu->caps()->supportedWritePixelsColorType(dstSurface->config(), srcColorType) != srcColorType) {
return false;
}
return this->fGpu->writePixels(dstSurface, left, top, width, height, srcColorType, buffer,
rowBytes);
};
upload(wp);
}
GrDeferredUploadToken GrOpFlushState::addInlineUpload(GrDeferredTextureUploadFn&& upload) {
return fInlineUploads.append(&fArena, std::move(upload), fTokenTracker->nextDrawToken())
.fUploadBeforeToken;
}
GrDeferredUploadToken GrOpFlushState::addASAPUpload(GrDeferredTextureUploadFn&& upload) {
fASAPUploads.append(&fArena, std::move(upload));
return fTokenTracker->nextTokenToFlush();
}
void GrOpFlushState::draw(const GrGeometryProcessor* gp, const GrPipeline* pipeline,
const GrPipeline::FixedDynamicState* fixedDynamicState,
const GrMesh& mesh) {
SkASSERT(fOpArgs);
SkASSERT(fOpArgs->fOp);
fMeshes.push_back(mesh);
bool firstDraw = fDraws.begin() == fDraws.end();
if (!firstDraw) {
Draw& lastDraw = *fDraws.begin();
// If the last draw shares a geometry processor and pipeline and there are no intervening
// uploads, add this mesh to it.
// Note, we could attempt to convert fixed dynamic states into dynamic state arrays here
// if everything else is equal. Maybe it's better to rely on Ops to do that?
if (lastDraw.fGeometryProcessor == gp && lastDraw.fPipeline == pipeline &&
lastDraw.fFixedDynamicState == fixedDynamicState) {
if (fInlineUploads.begin() == fInlineUploads.end() ||
fInlineUploads.tail()->fUploadBeforeToken != fTokenTracker->nextDrawToken()) {
++lastDraw.fMeshCnt;
return;
}
}
}
auto& draw = fDraws.append(&fArena);
GrDeferredUploadToken token = fTokenTracker->issueDrawToken();
draw.fGeometryProcessor.reset(gp);
draw.fPipeline = pipeline;
draw.fFixedDynamicState = fixedDynamicState;
draw.fDynamicStateArrays = nullptr;
draw.fMeshCnt = 1;
draw.fOpID = fOpArgs->fOp->uniqueID();
if (firstDraw) {
fBaseDrawToken = token;
}
}
void* GrOpFlushState::makeVertexSpace(size_t vertexSize, int vertexCount, const GrBuffer** buffer,
int* startVertex) {
return fVertexPool.makeSpace(vertexSize, vertexCount, buffer, startVertex);
}
uint16_t* GrOpFlushState::makeIndexSpace(int indexCount, const GrBuffer** buffer, int* startIndex) {
return reinterpret_cast<uint16_t*>(fIndexPool.makeSpace(indexCount, buffer, startIndex));
}
void* GrOpFlushState::makeVertexSpaceAtLeast(size_t vertexSize, int minVertexCount,
int fallbackVertexCount, const GrBuffer** buffer,
int* startVertex, int* actualVertexCount) {
return fVertexPool.makeSpaceAtLeast(vertexSize, minVertexCount, fallbackVertexCount, buffer,
startVertex, actualVertexCount);
}
uint16_t* GrOpFlushState::makeIndexSpaceAtLeast(int minIndexCount, int fallbackIndexCount,
const GrBuffer** buffer, int* startIndex,
int* actualIndexCount) {
return reinterpret_cast<uint16_t*>(fIndexPool.makeSpaceAtLeast(
minIndexCount, fallbackIndexCount, buffer, startIndex, actualIndexCount));
}
void GrOpFlushState::putBackIndices(int indexCount) {
fIndexPool.putBack(indexCount * sizeof(uint16_t));
}
void GrOpFlushState::putBackVertices(int vertices, size_t vertexStride) {
fVertexPool.putBack(vertices * vertexStride);
}
GrAppliedClip GrOpFlushState::detachAppliedClip() {
return fOpArgs->fAppliedClip ? std::move(*fOpArgs->fAppliedClip) : GrAppliedClip();
}
GrGlyphCache* GrOpFlushState::glyphCache() const {
return fGpu->getContext()->contextPriv().getGlyphCache();
}
GrAtlasManager* GrOpFlushState::atlasManager() const {
return fGpu->getContext()->contextPriv().getAtlasManager();
}
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