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Side by Side Diff: src/gpu/GrBufferedDrawTarget.cpp

Issue 1225923010: Refugee from Dead Machine 4: MDB Monster Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Last update from dead machine Created 4 years, 7 months ago
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1 /*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "GrBufferedDrawTarget.h"
9
10 // We will use the reordering buffer, unless we have NVPR.
11 // TODO move NVPR to batch so we can reorder
12 static inline bool allow_reordering(const GrCaps* caps) {
13 return caps && caps->shaderCaps() && !caps->shaderCaps()->pathRenderingSuppo rt();
14 }
15
16 GrBufferedDrawTarget::GrBufferedDrawTarget(GrDrawContext* dc, GrRenderTarget* rt , GrContext* context)
17 : INHERITED(dc, rt, context)
18 , fCommands(GrCommandBuilder::Create(context->foo(), context->getGpu(), allo w_reordering(context->caps()), rt))
19 , fPathIndexBuffer(kPathIdxBufferMinReserve * sizeof(char)/4)
20 , fPathTransformBuffer(kPathXformBufferMinReserve * sizeof(float)/4)
21 , fPipelineBuffer(kPipelineBufferMinReserve)
22 , fDrawID(0) {
23 }
24
25 GrBufferedDrawTarget::~GrBufferedDrawTarget() {
26 this->reset();
27 }
28
29 void GrBufferedDrawTarget::onDrawBatch(GrBatch* batch) {
30 fCommands->recordDrawBatch(batch, *this->caps());
31 }
32
33 void GrBufferedDrawTarget::onDrawPaths(const GrPathProcessor* pathProc,
34 const GrPathRange* pathRange,
35 const void* indices,
36 PathIndexType indexType,
37 const float transformValues[],
38 PathTransformType transformType,
39 int count,
40 const GrStencilSettings& stencilSettings,
41 const PipelineInfo& pipelineInfo) {
42 GrPipelineOptimizations opts;
43 StateForPathDraw* state = this->createStateForPathDraw(pathProc, pipelineInf o, &opts);
44 if (!state) {
45 return;
46 }
47 fCommands->recordDrawPaths(state, this, pathProc, pathRange, indices, indexT ype,
48 transformValues, transformType, count, stencilSet tings,
49 opts);
50 }
51
52 void GrBufferedDrawTarget::onReset() {
53 fCommands->reset();
54 fPathIndexBuffer.rewind();
55 fPathTransformBuffer.rewind();
56
57 fPrevState.reset(nullptr);
58 // Note, fPrevState points into fPipelineBuffer's allocation, so we have to reset first.
59 // Furthermore, we have to reset fCommands before fPipelineBuffer too.
60 if (fDrawID % kPipelineBufferHighWaterMark) {
61 fPipelineBuffer.rewind();
62 } else {
63 fPipelineBuffer.reset();
64 }
65 }
66
67 void GrBufferedDrawTarget::onFlush() {
68 fCommands->flush(this->getGpu(), this->getContext()->resourceProvider());
69 ++fDrawID;
70 }
71
72 GrTargetCommands::StateForPathDraw*
73 GrBufferedDrawTarget::createStateForPathDraw(const GrPrimitiveProcessor* primPro c,
74 const GrDrawTarget::PipelineInfo& p ipelineInfo,
75 GrPipelineOptimizations* opts) {
76 StateForPathDraw* state = this->allocState(primProc);
77 if (!GrPipeline::CreateAt(state->pipelineLocation(), pipelineInfo.pipelineCr eateArgs(), opts)) {
78 this->unallocState(state);
79 return nullptr;
80 }
81
82 state->fPrimitiveProcessor->initBatchTracker(&state->fBatchTracker, *opts);
83
84 if (fPrevState && fPrevState->fPrimitiveProcessor.get() &&
85 fPrevState->fPrimitiveProcessor->canMakeEqual(fPrevState->fBatchTracker,
86 *state->fPrimitiveProcesso r,
87 state->fBatchTracker) &&
88 GrPipeline::AreEqual(*fPrevState->getPipeline(), *state->getPipeline(), false)) {
89 this->unallocState(state);
90 } else {
91 fPrevState.reset(state);
92 }
93
94 return fPrevState;
95 }
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