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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 "GrDrawOpAtlas.h"
#include "GrGpu.h"
#include "GrResourceProvider.h"
#include "GrTexture.h"
GrOpFlushState::GrOpFlushState(GrGpu* gpu, GrResourceProvider* resourceProvider)
: fGpu(gpu)
, fResourceProvider(resourceProvider)
, fCommandBuffer(nullptr)
, fVertexPool(gpu)
, fIndexPool(gpu)
, fOpArgs(nullptr) {}
const GrCaps& GrOpFlushState::caps() const {
return *fGpu->caps();
}
GrGpuRTCommandBuffer* GrOpFlushState::rtCommandBuffer() {
return fCommandBuffer->asRTCommandBuffer();
}
void GrOpFlushState::doUpload(GrDeferredTextureUploadFn& upload) {
GrDeferredTextureUploadWritePixelsFn wp = [this](GrTextureProxy* proxy, int left, int top,
int width, int height, GrPixelConfig config,
const void* buffer, size_t rowBytes) {
GrSurface* surface = proxy->priv().peekSurface();
GrGpu::DrawPreference drawPreference = GrGpu::kNoDraw_DrawPreference;
GrGpu::WritePixelTempDrawInfo tempInfo;
fGpu->getWritePixelsInfo(surface, proxy->origin(), width, height, proxy->config(),
&drawPreference, &tempInfo);
if (GrGpu::kNoDraw_DrawPreference == drawPreference) {
return this->fGpu->writePixels(surface, proxy->origin(), left, top, width, height,
config, buffer, rowBytes);
}
GrSurfaceDesc desc;
desc.fOrigin = proxy->origin();
desc.fWidth = width;
desc.fHeight = height;
desc.fConfig = proxy->config();
sk_sp<GrTexture> temp(this->fResourceProvider->createApproxTexture(
desc, GrResourceProvider::kNoPendingIO_Flag));
if (!temp) {
return false;
}
if (!fGpu->writePixels(temp.get(), proxy->origin(), 0, 0, width, height, desc.fConfig,
buffer, rowBytes)) {
return false;
}
return fGpu->copySurface(surface, proxy->origin(), temp.get(), proxy->origin(),
SkIRect::MakeWH(width, height), {left, top});
};
upload(wp);
}
GrDeferredUploadToken GrOpFlushState::addInlineUpload(GrDeferredTextureUploadFn&& upload) {
SkASSERT(fOpArgs);
SkASSERT(fOpArgs->fOp);
// Here we're dangerously relying on only GrDrawOps calling this method. This gets fixed by
// storing inline uploads on GrOpFlushState and removing GrDrawOp::FlushStateAccess.
auto op = static_cast<GrDrawOp*>(fOpArgs->fOp);
auto token = this->nextDrawToken();
GrDrawOp::FlushStateAccess(op).addInlineUpload(std::move(upload), token);
return token;
}
GrDeferredUploadToken GrOpFlushState::addASAPUpload(GrDeferredTextureUploadFn&& upload) {
fASAPUploads.emplace_back(std::move(upload));
return this->nextTokenToFlush();
}
void GrOpFlushState::draw(const GrGeometryProcessor* gp, const GrPipeline* pipeline,
const GrMesh& mesh) {
SkASSERT(fOpArgs);
SkASSERT(fOpArgs->fOp);
// Here we're dangerously relying on only GrMeshDrawOps calling this method. This gets fixed by
// storing draw data on GrOpFlushState and removing GrMeshDrawOp::FlushStateAccess.
auto op = static_cast<GrMeshDrawOp*>(fOpArgs->fOp);
GrMeshDrawOp::FlushStateAccess fsa(op);
fsa.addMesh(mesh);
GrMeshDrawOp::FlushStateAccess::QueuedDraw* lastDraw = fsa.lastDraw();
if (lastDraw) {
// If the last draw shares a geometry processor and pipeline and there are no intervening
// uploads, add this mesh to it.
if (lastDraw->fGeometryProcessor == gp && lastDraw->fPipeline == pipeline &&
(fsa.lastUploadToken() != this->nextDrawToken())) {
++lastDraw->fMeshCnt;
return;
}
}
GrMeshDrawOp::FlushStateAccess::QueuedDraw* draw = fsa.addDraw();
GrDeferredUploadToken token = this->issueDrawToken();
draw->fGeometryProcessor.reset(gp);
draw->fPipeline = pipeline;
draw->fMeshCnt = 1;
if (!lastDraw) {
fsa.setBaseDrawToken(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();
}
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