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1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 GrInOrderDrawBuffer_DEFINED | 8 #ifndef GrInOrderDrawBuffer_DEFINED |
9 #define GrInOrderDrawBuffer_DEFINED | 9 #define GrInOrderDrawBuffer_DEFINED |
10 | 10 |
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52 bool insideClip, | 52 bool insideClip, |
53 GrRenderTarget* renderTarget) SK_OVERRIDE; | 53 GrRenderTarget* renderTarget) SK_OVERRIDE; |
54 | 54 |
55 void discard(GrRenderTarget*) SK_OVERRIDE; | 55 void discard(GrRenderTarget*) SK_OVERRIDE; |
56 | 56 |
57 protected: | 57 protected: |
58 void willReserveVertexAndIndexSpace(int vertexCount, | 58 void willReserveVertexAndIndexSpace(int vertexCount, |
59 size_t vertexStride, | 59 size_t vertexStride, |
60 int indexCount); | 60 int indexCount); |
61 | 61 |
| 62 void appendIndicesAndTransforms(const void* indexValues, PathIndexType index
Type, |
| 63 const float* transformValues, PathTransformT
ype transformType, |
| 64 int count, char** indicesLocation, float** x
formsLocation) { |
| 65 int indexBytes = GrPathRange::PathIndexSizeInBytes(indexType); |
| 66 *indicesLocation = (char*) fPathIndexBuffer.alloc(count * indexBytes, |
| 67 SkChunkAlloc::kThrow_A
llocFailType); |
| 68 SkASSERT(SkIsAlign4((uintptr_t)*indicesLocation)); |
| 69 memcpy(*indicesLocation, reinterpret_cast<const char*>(indexValues), cou
nt * indexBytes); |
| 70 |
| 71 const int xformBytes = GrPathRendering::PathTransformSize(transformType)
* sizeof(float); |
| 72 *xformsLocation = NULL; |
| 73 |
| 74 if (0 != xformBytes) { |
| 75 *xformsLocation = (float*) fPathTransformBuffer.alloc(count * xformB
ytes, |
| 76 SkChunkAlloc::kTh
row_AllocFailType); |
| 77 SkASSERT(SkIsAlign4((uintptr_t)*xformsLocation)); |
| 78 memcpy(*xformsLocation, transformValues, count * xformBytes); |
| 79 } |
| 80 } |
| 81 |
| 82 bool canConcatToIndexBuffer(const GrIndexBuffer** ib) { |
| 83 const GrDrawTarget::GeometrySrcState& geomSrc = this->getGeomSrc(); |
| 84 |
| 85 // we only attempt to concat when reserved verts are used with a client-
specified |
| 86 // index buffer. To make this work with client-specified VBs we'd need t
o know if the VB |
| 87 // was updated between draws. |
| 88 if (kReserved_GeometrySrcType != geomSrc.fVertexSrc || |
| 89 kBuffer_GeometrySrcType != geomSrc.fIndexSrc) { |
| 90 return false; |
| 91 } |
| 92 |
| 93 *ib = geomSrc.fIndexBuffer; |
| 94 return true; |
| 95 } |
| 96 |
62 private: | 97 private: |
63 typedef GrGpu::DrawArgs DrawArgs; | 98 typedef GrGpu::DrawArgs DrawArgs; |
64 | 99 |
65 struct SetState; | 100 struct SetState; |
66 | 101 |
67 struct Cmd : ::SkNoncopyable { | 102 struct Cmd : ::SkNoncopyable { |
68 enum { | 103 enum { |
69 kDraw_Cmd = 1, | 104 kDraw_Cmd = 1, |
70 kStencilPath_Cmd = 2, | 105 kStencilPath_Cmd = 2, |
71 kSetState_Cmd = 3, | 106 kSetState_Cmd = 3, |
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326 DrawBatch* fDrawBatch; | 361 DrawBatch* fDrawBatch; |
327 | 362 |
328 // This will go away when everything uses batch. However, in the short term
anything which | 363 // This will go away when everything uses batch. However, in the short term
anything which |
329 // might be put into the GrInOrderDrawBuffer needs to make sure it closes th
e last batch | 364 // might be put into the GrInOrderDrawBuffer needs to make sure it closes th
e last batch |
330 inline void closeBatch(); | 365 inline void closeBatch(); |
331 | 366 |
332 typedef GrFlushToGpuDrawTarget INHERITED; | 367 typedef GrFlushToGpuDrawTarget INHERITED; |
333 }; | 368 }; |
334 | 369 |
335 #endif | 370 #endif |
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