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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef GrBatchBuffer_DEFINED | 8 #ifndef GrBatchBuffer_DEFINED |
9 #define GrBatchBuffer_DEFINED | 9 #define GrBatchBuffer_DEFINED |
10 | 10 |
11 #include "GrPendingProgramElement.h" | 11 #include "GrPendingProgramElement.h" |
| 12 #include "GrPipeline.h" |
12 #include "GrGpu.h" | 13 #include "GrGpu.h" |
13 #include "GrTRecorder.h" | 14 #include "GrTRecorder.h" |
14 | 15 |
15 /* | 16 /* |
16 * GrBatch instances use this object to allocate space for their geometry and to
issue the draws | 17 * GrBatch instances use this object to allocate space for their geometry and to
issue the draws |
17 * that render their batch. | 18 * that render their batch. |
18 */ | 19 */ |
19 | 20 |
| 21 class GrIndexBufferAllocPool; |
| 22 class GrVertexBufferAllocPool; |
| 23 |
20 class GrBatchTarget : public SkNoncopyable { | 24 class GrBatchTarget : public SkNoncopyable { |
21 public: | 25 public: |
22 GrBatchTarget(GrGpu* gpu, | 26 GrBatchTarget(GrGpu* gpu, |
23 GrVertexBufferAllocPool* vpool, | 27 GrVertexBufferAllocPool* vpool, |
24 GrIndexBufferAllocPool* ipool) | 28 GrIndexBufferAllocPool* ipool) |
25 : fGpu(gpu) | 29 : fGpu(gpu) |
26 , fVertexPool(vpool) | 30 , fVertexPool(vpool) |
27 , fIndexPool(ipool) | 31 , fIndexPool(ipool) |
28 , fFlushBuffer(kFlushBufferInitialSizeInBytes) | 32 , fFlushBuffer(kFlushBufferInitialSizeInBytes) |
29 , fIter(fFlushBuffer) {} | 33 , fIter(fFlushBuffer) |
| 34 , fNumberOfDraws(0) {} |
30 | 35 |
31 typedef GrDrawTarget::DrawInfo DrawInfo; | 36 typedef GrDrawTarget::DrawInfo DrawInfo; |
32 void initDraw(const GrPrimitiveProcessor* primProc, const GrPipeline* pipeli
ne) { | 37 void initDraw(const GrPrimitiveProcessor* primProc, const GrPipeline* pipeli
ne) { |
33 GrNEW_APPEND_TO_RECORDER(fFlushBuffer, BufferedFlush, (primProc, pipelin
e)); | 38 GrNEW_APPEND_TO_RECORDER(fFlushBuffer, BufferedFlush, (primProc, pipelin
e)); |
| 39 fNumberOfDraws++; |
34 } | 40 } |
35 | 41 |
36 void draw(const GrDrawTarget::DrawInfo& draw) { | 42 void draw(const GrDrawTarget::DrawInfo& draw) { |
37 fFlushBuffer.back().fDraws.push_back(draw); | 43 fFlushBuffer.back().fDraws.push_back(draw); |
38 } | 44 } |
39 | 45 |
40 // TODO this is temporary until batch is everywhere | 46 // TODO this is temporary until batch is everywhere |
41 //void flush(); | 47 //void flush(); |
| 48 void resetNumberOfDraws() { fNumberOfDraws = 0; } |
| 49 int numberOfDraws() const { return fNumberOfDraws; } |
42 void preFlush() { fIter = FlushBuffer::Iter(fFlushBuffer); } | 50 void preFlush() { fIter = FlushBuffer::Iter(fFlushBuffer); } |
43 void flushNext(); | 51 void flushNext(int n) { |
| 52 for (; n > 0; n--) { |
| 53 SkDEBUGCODE(bool verify =) fIter.next(); |
| 54 SkASSERT(verify); |
| 55 GrProgramDesc desc; |
| 56 BufferedFlush* bf = fIter.get(); |
| 57 const GrPipeline* pipeline = bf->fPipeline; |
| 58 const GrPrimitiveProcessor* primProc = bf->fPrimitiveProcessor.get()
; |
| 59 fGpu->buildProgramDesc(&desc, *primProc, *pipeline, bf->fBatchTracke
r); |
| 60 |
| 61 GrGpu::DrawArgs args(primProc, pipeline, &desc, &bf->fBatchTracker); |
| 62 |
| 63 int drawCount = bf->fDraws.count(); |
| 64 const SkSTArray<1, DrawInfo, true>& draws = bf->fDraws; |
| 65 for (int i = 0; i < drawCount; i++) { |
| 66 fGpu->draw(args, draws[i]); |
| 67 } |
| 68 } |
| 69 } |
44 void postFlush() { SkASSERT(!fIter.next()); fFlushBuffer.reset(); } | 70 void postFlush() { SkASSERT(!fIter.next()); fFlushBuffer.reset(); } |
45 | 71 |
46 // TODO This goes away when everything uses batch | 72 // TODO This goes away when everything uses batch |
47 GrBatchTracker* currentBatchTracker() { | 73 GrBatchTracker* currentBatchTracker() { |
48 SkASSERT(!fFlushBuffer.empty()); | 74 SkASSERT(!fFlushBuffer.empty()); |
49 return &fFlushBuffer.back().fBatchTracker; | 75 return &fFlushBuffer.back().fBatchTracker; |
50 } | 76 } |
51 | 77 |
| 78 const GrDrawTargetCaps& caps() const { return *fGpu->caps(); } |
| 79 |
52 GrVertexBufferAllocPool* vertexPool() { return fVertexPool; } | 80 GrVertexBufferAllocPool* vertexPool() { return fVertexPool; } |
53 GrIndexBufferAllocPool* indexPool() { return fIndexPool; } | 81 GrIndexBufferAllocPool* indexPool() { return fIndexPool; } |
54 | 82 |
55 private: | 83 private: |
56 GrGpu* fGpu; | 84 GrGpu* fGpu; |
57 GrVertexBufferAllocPool* fVertexPool; | 85 GrVertexBufferAllocPool* fVertexPool; |
58 GrIndexBufferAllocPool* fIndexPool; | 86 GrIndexBufferAllocPool* fIndexPool; |
59 | 87 |
60 typedef void* TBufferAlign; // This wouldn't be enough align if a command us
ed long double. | 88 typedef void* TBufferAlign; // This wouldn't be enough align if a command us
ed long double. |
61 | 89 |
62 struct BufferedFlush { | 90 struct BufferedFlush { |
63 BufferedFlush(const GrPrimitiveProcessor* primProc, const GrPipeline* pi
peline) | 91 BufferedFlush(const GrPrimitiveProcessor* primProc, const GrPipeline* pi
peline) |
64 : fPrimitiveProcessor(primProc) | 92 : fPrimitiveProcessor(primProc) |
65 , fPipeline(pipeline) | 93 , fPipeline(pipeline) {} |
66 , fDraws(kDrawRecorderInitialSizeInBytes) {} | |
67 typedef GrPendingProgramElement<const GrPrimitiveProcessor> ProgramPrimi
tiveProcessor; | 94 typedef GrPendingProgramElement<const GrPrimitiveProcessor> ProgramPrimi
tiveProcessor; |
68 ProgramPrimitiveProcessor fPrimitiveProcessor; | 95 ProgramPrimitiveProcessor fPrimitiveProcessor; |
69 const GrPipeline* fPipeline; | 96 const GrPipeline* fPipeline; |
70 GrBatchTracker fBatchTracker; | 97 GrBatchTracker fBatchTracker; |
71 SkSTArray<4, DrawInfo, true> fDraws; | 98 SkSTArray<1, DrawInfo, true> fDraws; |
72 }; | 99 }; |
73 | 100 |
74 enum { | 101 enum { |
75 kFlushBufferInitialSizeInBytes = 8 * sizeof(BufferedFlush), | 102 kFlushBufferInitialSizeInBytes = 8 * sizeof(BufferedFlush), |
76 kDrawRecorderInitialSizeInBytes = 8 * sizeof(DrawInfo), | |
77 }; | 103 }; |
78 | 104 |
79 typedef GrTRecorder<BufferedFlush, TBufferAlign> FlushBuffer; | 105 typedef GrTRecorder<BufferedFlush, TBufferAlign> FlushBuffer; |
80 | 106 |
81 FlushBuffer fFlushBuffer; | 107 FlushBuffer fFlushBuffer; |
82 // TODO this is temporary | 108 // TODO this is temporary |
83 FlushBuffer::Iter fIter; | 109 FlushBuffer::Iter fIter; |
| 110 int fNumberOfDraws; |
84 }; | 111 }; |
85 | 112 |
86 #endif | 113 #endif |
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