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Side by Side Diff: src/gpu/GrInOrderDrawBuffer.h

Issue 1118403003: create GrInOrderCommandBuilder (Closed) Base URL: https://skia.googlesource.com/skia.git@rect-batch
Patch Set: Created 5 years, 7 months ago
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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
11 #include "GrDrawTarget.h" 11 #include "GrDrawTarget.h"
12 #include "GrCommandBuilder.h" 12 #include "GrInOrderCommandBuilder.h"
13 #include "SkChunkAlloc.h" 13 #include "SkChunkAlloc.h"
14 14
15 /** 15 /**
16 * GrInOrderDrawBuffer is an implementation of GrDrawTarget that queues up draws for eventual 16 * GrInOrderDrawBuffer is an implementation of GrDrawTarget that queues up draws for eventual
17 * playback into a GrGpu. In theory one draw buffer could playback into another. When index or 17 * playback into a GrGpu. In theory one draw buffer could playback into another. When index or
18 * vertex buffers are used as geometry sources it is the callers the draw buffer only holds 18 * vertex buffers are used as geometry sources it is the callers the draw buffer only holds
19 * references to the buffers. It is the callers responsibility to ensure that th e data is still 19 * references to the buffers. It is the callers responsibility to ensure that th e data is still
20 * valid when the draw buffer is played back into a GrGpu. Similarly, it is the caller's 20 * valid when the draw buffer is played back into a GrGpu. Similarly, it is the caller's
21 * responsibility to ensure that all referenced textures, buffers, and render-ta rgets are associated 21 * responsibility to ensure that all referenced textures, buffers, and render-ta rgets are associated
22 * in the GrGpu object that the buffer is played back into. The buffer requires VB and IB pools to 22 * in the GrGpu object that the buffer is played back into. The buffer requires VB and IB pools to
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64 64
65 if (0 != xformBytes) { 65 if (0 != xformBytes) {
66 *xformsLocation = (float*) fPathTransformBuffer.alloc(count * xformB ytes, 66 *xformsLocation = (float*) fPathTransformBuffer.alloc(count * xformB ytes,
67 SkChunkAlloc::kTh row_AllocFailType); 67 SkChunkAlloc::kTh row_AllocFailType);
68 SkASSERT(SkIsAlign4((uintptr_t)*xformsLocation)); 68 SkASSERT(SkIsAlign4((uintptr_t)*xformsLocation));
69 memcpy(*xformsLocation, transformValues, count * xformBytes); 69 memcpy(*xformsLocation, transformValues, count * xformBytes);
70 } 70 }
71 } 71 }
72 72
73 private: 73 private:
74 friend class GrCommandBuilder; 74 friend class GrInOrderCommandBuilder;
75 friend class GrTargetCommands; 75 friend class GrTargetCommands;
76
76 typedef GrTargetCommands::State State; 77 typedef GrTargetCommands::State State;
77 78
78 State* allocState(const GrPrimitiveProcessor* primProc = NULL) { 79 State* allocState(const GrPrimitiveProcessor* primProc = NULL) {
79 void* allocation = fPipelineBuffer.alloc(sizeof(State), SkChunkAlloc::kT hrow_AllocFailType); 80 void* allocation = fPipelineBuffer.alloc(sizeof(State), SkChunkAlloc::kT hrow_AllocFailType);
80 return SkNEW_PLACEMENT_ARGS(allocation, State, (primProc)); 81 return SkNEW_PLACEMENT_ARGS(allocation, State, (primProc));
81 } 82 }
82 83
83 void unallocState(State* state) { 84 void unallocState(State* state) {
84 state->unref(); 85 state->unref();
85 fPipelineBuffer.unalloc(state); 86 fPipelineBuffer.unalloc(state);
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148 SkChunkAlloc fPathIndexBuffer; 149 SkChunkAlloc fPathIndexBuffer;
149 SkChunkAlloc fPathTransformBuffer; 150 SkChunkAlloc fPathTransformBuffer;
150 SkChunkAlloc fPipelineBuffer; 151 SkChunkAlloc fPipelineBuffer;
151 uint32_t fDrawID; 152 uint32_t fDrawID;
152 SkAutoTUnref<State> fPrevState; 153 SkAutoTUnref<State> fPrevState;
153 154
154 typedef GrClipTarget INHERITED; 155 typedef GrClipTarget INHERITED;
155 }; 156 };
156 157
157 #endif 158 #endif
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