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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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43 // tracking for draws | 43 // tracking for draws |
44 DrawToken getCurrentDrawToken() override { return DrawToken(this, fDrawID);
} | 44 DrawToken getCurrentDrawToken() override { return DrawToken(this, fDrawID);
} |
45 | 45 |
46 void clearStencilClip(const SkIRect& rect, | 46 void clearStencilClip(const SkIRect& rect, |
47 bool insideClip, | 47 bool insideClip, |
48 GrRenderTarget* renderTarget) override; | 48 GrRenderTarget* renderTarget) override; |
49 | 49 |
50 void discard(GrRenderTarget*) override; | 50 void discard(GrRenderTarget*) override; |
51 | 51 |
52 protected: | 52 protected: |
53 void willReserveVertexAndIndexSpace(int vertexCount, | |
54 size_t vertexStride, | |
55 int indexCount) override; | |
56 | |
57 void appendIndicesAndTransforms(const void* indexValues, PathIndexType index
Type, | 53 void appendIndicesAndTransforms(const void* indexValues, PathIndexType index
Type, |
58 const float* transformValues, PathTransformT
ype transformType, | 54 const float* transformValues, PathTransformT
ype transformType, |
59 int count, char** indicesLocation, float** x
formsLocation) { | 55 int count, char** indicesLocation, float** x
formsLocation) { |
60 int indexBytes = GrPathRange::PathIndexSizeInBytes(indexType); | 56 int indexBytes = GrPathRange::PathIndexSizeInBytes(indexType); |
61 *indicesLocation = (char*) fPathIndexBuffer.alloc(count * indexBytes, | 57 *indicesLocation = (char*) fPathIndexBuffer.alloc(count * indexBytes, |
62 SkChunkAlloc::kThrow_A
llocFailType); | 58 SkChunkAlloc::kThrow_A
llocFailType); |
63 SkASSERT(SkIsAlign4((uintptr_t)*indicesLocation)); | 59 SkASSERT(SkIsAlign4((uintptr_t)*indicesLocation)); |
64 memcpy(*indicesLocation, reinterpret_cast<const char*>(indexValues), cou
nt * indexBytes); | 60 memcpy(*indicesLocation, reinterpret_cast<const char*>(indexValues), cou
nt * indexBytes); |
65 | 61 |
66 const int xformBytes = GrPathRendering::PathTransformSize(transformType)
* sizeof(float); | 62 const int xformBytes = GrPathRendering::PathTransformSize(transformType)
* sizeof(float); |
67 *xformsLocation = NULL; | 63 *xformsLocation = NULL; |
68 | 64 |
69 if (0 != xformBytes) { | 65 if (0 != xformBytes) { |
70 *xformsLocation = (float*) fPathTransformBuffer.alloc(count * xformB
ytes, | 66 *xformsLocation = (float*) fPathTransformBuffer.alloc(count * xformB
ytes, |
71 SkChunkAlloc::kTh
row_AllocFailType); | 67 SkChunkAlloc::kTh
row_AllocFailType); |
72 SkASSERT(SkIsAlign4((uintptr_t)*xformsLocation)); | 68 SkASSERT(SkIsAlign4((uintptr_t)*xformsLocation)); |
73 memcpy(*xformsLocation, transformValues, count * xformBytes); | 69 memcpy(*xformsLocation, transformValues, count * xformBytes); |
74 } | 70 } |
75 } | 71 } |
76 | 72 |
77 bool canConcatToIndexBuffer(const GrIndexBuffer** ib) { | |
78 const GrDrawTarget::GeometrySrcState& geomSrc = this->getGeomSrc(); | |
79 | |
80 // we only attempt to concat when reserved verts are used with a client-
specified | |
81 // index buffer. To make this work with client-specified VBs we'd need t
o know if the VB | |
82 // was updated between draws. | |
83 if (kReserved_GeometrySrcType != geomSrc.fVertexSrc || | |
84 kBuffer_GeometrySrcType != geomSrc.fIndexSrc) { | |
85 return false; | |
86 } | |
87 | |
88 *ib = geomSrc.fIndexBuffer; | |
89 return true; | |
90 } | |
91 | |
92 private: | 73 private: |
93 friend class GrTargetCommands; | 74 friend class GrTargetCommands; |
94 | 75 |
95 void onReset() override; | 76 void onReset() override; |
96 void onFlush() override; | 77 void onFlush() override; |
97 | 78 |
98 // overrides from GrDrawTarget | 79 // overrides from GrDrawTarget |
99 void onDraw(const GrGeometryProcessor*, const DrawInfo&, const PipelineInfo&
) override; | |
100 void onDrawBatch(GrBatch*, const PipelineInfo&) override; | 80 void onDrawBatch(GrBatch*, const PipelineInfo&) override; |
101 void onDrawRect(GrPipelineBuilder*, | 81 void onDrawRect(GrPipelineBuilder*, |
102 GrColor, | 82 GrColor, |
103 const SkMatrix& viewMatrix, | 83 const SkMatrix& viewMatrix, |
104 const SkRect& rect, | 84 const SkRect& rect, |
105 const SkRect* localRect, | 85 const SkRect* localRect, |
106 const SkMatrix* localMatrix) override; | 86 const SkMatrix* localMatrix) override; |
107 | 87 |
108 void onStencilPath(const GrPipelineBuilder&, | 88 void onStencilPath(const GrPipelineBuilder&, |
109 const GrPathProcessor*, | 89 const GrPathProcessor*, |
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125 const PipelineInfo&) override; | 105 const PipelineInfo&) override; |
126 void onClear(const SkIRect* rect, | 106 void onClear(const SkIRect* rect, |
127 GrColor color, | 107 GrColor color, |
128 bool canIgnoreRect, | 108 bool canIgnoreRect, |
129 GrRenderTarget* renderTarget) override; | 109 GrRenderTarget* renderTarget) override; |
130 bool onCopySurface(GrSurface* dst, | 110 bool onCopySurface(GrSurface* dst, |
131 GrSurface* src, | 111 GrSurface* src, |
132 const SkIRect& srcRect, | 112 const SkIRect& srcRect, |
133 const SkIPoint& dstPoint) override; | 113 const SkIPoint& dstPoint) override; |
134 | 114 |
135 // Attempts to concat instances from info onto the previous draw. info must
represent an | |
136 // instanced draw. The caller must have already recorded a new draw state an
d clip if necessary. | |
137 int concatInstancedDraw(const DrawInfo&); | |
138 | |
139 // We lazily record clip changes in order to skip clips that have no effect. | 115 // We lazily record clip changes in order to skip clips that have no effect. |
140 void recordClipIfNecessary(); | 116 void recordClipIfNecessary(); |
141 // Records any trace markers for a command | 117 // Records any trace markers for a command |
142 void recordTraceMarkersIfNecessary(GrTargetCommands::Cmd*); | 118 void recordTraceMarkersIfNecessary(GrTargetCommands::Cmd*); |
143 SkString getCmdString(int index) const { | 119 SkString getCmdString(int index) const { |
144 SkASSERT(index < fGpuCmdMarkers.count()); | 120 SkASSERT(index < fGpuCmdMarkers.count()); |
145 return fGpuCmdMarkers[index].toString(); | 121 return fGpuCmdMarkers[index].toString(); |
146 } | 122 } |
147 bool isIssued(uint32_t drawID) override { return drawID != fDrawID; } | 123 bool isIssued(uint32_t drawID) override { return drawID != fDrawID; } |
148 | 124 |
149 // TODO: Use a single allocator for commands and records | 125 // TODO: Use a single allocator for commands and records |
150 enum { | 126 enum { |
151 kPathIdxBufferMinReserve = 2 * 64, // 64 uint16_t's | 127 kPathIdxBufferMinReserve = 2 * 64, // 64 uint16_t's |
152 kPathXformBufferMinReserve = 2 * 64, // 64 two-float transforms | 128 kPathXformBufferMinReserve = 2 * 64, // 64 two-float transforms |
153 }; | 129 }; |
154 | 130 |
155 GrTargetCommands fCommands; | 131 GrTargetCommands fCommands; |
156 SkTArray<GrTraceMarkerSet, false> fGpuCmdMarkers; | 132 SkTArray<GrTraceMarkerSet, false> fGpuCmdMarkers; |
157 SkChunkAlloc fPathIndexBuffer; | 133 SkChunkAlloc fPathIndexBuffer; |
158 SkChunkAlloc fPathTransformBuffer; | 134 SkChunkAlloc fPathTransformBuffer; |
159 uint32_t fDrawID; | 135 uint32_t fDrawID; |
160 | 136 |
161 typedef GrFlushToGpuDrawTarget INHERITED; | 137 typedef GrFlushToGpuDrawTarget INHERITED; |
162 }; | 138 }; |
163 | 139 |
164 #endif | 140 #endif |
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