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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 #include "GrInOrderCommandBuilder.h" | 8 #include "GrInOrderCommandBuilder.h" |
9 | 9 |
10 #include "GrBufferedDrawTarget.h" | 10 #include "GrBufferedDrawTarget.h" |
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33 DrawBatch* previous = static_cast<DrawBatch*>(&this->cmdBuffer()->back()
); | 33 DrawBatch* previous = static_cast<DrawBatch*>(&this->cmdBuffer()->back()
); |
34 if (previous->batch()->combineIfPossible(batch, caps)) { | 34 if (previous->batch()->combineIfPossible(batch, caps)) { |
35 GrBATCH_INFO("\tBatching with (%s, %u)\n", | 35 GrBATCH_INFO("\tBatching with (%s, %u)\n", |
36 previous->batch()->name(), previous->batch()->uniqueID(
)); | 36 previous->batch()->name(), previous->batch()->uniqueID(
)); |
37 return nullptr; | 37 return nullptr; |
38 } | 38 } |
39 } | 39 } |
40 | 40 |
41 return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (batch)); | 41 return GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawBatch, (batch)); |
42 } | 42 } |
43 | |
44 GrTargetCommands::Cmd* | |
45 GrInOrderCommandBuilder::recordDrawPaths(State* state, | |
46 GrBufferedDrawTarget* bufferedDrawTarge
t, | |
47 const GrPathProcessor* pathProc, | |
48 const GrPathRange* pathRange, | |
49 const void* indexValues, | |
50 GrDrawTarget::PathIndexType indexType, | |
51 const float transformValues[], | |
52 GrDrawTarget::PathTransformType transfo
rmType, | |
53 int count, | |
54 const GrStencilSettings& stencilSetting
s, | |
55 const GrPipelineOptimizations& opts) { | |
56 SkASSERT(pathRange); | |
57 SkASSERT(indexValues); | |
58 SkASSERT(transformValues); | |
59 | |
60 char* savedIndices; | |
61 float* savedTransforms; | |
62 | |
63 bufferedDrawTarget->appendIndicesAndTransforms(indexValues, indexType, | |
64 transformValues, transformTyp
e, | |
65 count, &savedIndices, &savedT
ransforms); | |
66 | |
67 if (!this->cmdBuffer()->empty() && | |
68 Cmd::kDrawPaths_CmdType == this->cmdBuffer()->back().type()) { | |
69 // Try to combine this call with the previous DrawPaths. We do this by s
tenciling all the | |
70 // paths together and then covering them in a single pass. This is not e
quivalent to two | |
71 // separate draw calls, so we can only do it if there is no blending (no
overlap would also | |
72 // work). Note that it's also possible for overlapping paths to cancel e
ach other's winding | |
73 // numbers, and we only partially account for this by not allowing even/
odd paths to be | |
74 // combined. (Glyphs in the same font tend to wind the same direction so
it works out OK.) | |
75 DrawPaths* previous = static_cast<DrawPaths*>(&this->cmdBuffer()->back()
); | |
76 if (pathRange == previous->pathRange() && | |
77 indexType == previous->fIndexType && | |
78 transformType == previous->fTransformType && | |
79 stencilSettings == previous->fStencilSettings && | |
80 path_fill_type_is_winding(stencilSettings) && | |
81 previous->fState == state && | |
82 !opts.willColorBlendWithDst()) { | |
83 | |
84 const int indexBytes = GrPathRange::PathIndexSizeInBytes(indexType); | |
85 const int xformSize = GrPathRendering::PathTransformSize(transformTy
pe); | |
86 if (&previous->fIndices[previous->fCount * indexBytes] == savedIndic
es && | |
87 (0 == xformSize || | |
88 &previous->fTransforms[previous->fCount * xformSize] == savedTr
ansforms)) { | |
89 // Combine this DrawPaths call with the one previous. | |
90 previous->fCount += count; | |
91 return nullptr; | |
92 } | |
93 } | |
94 } | |
95 | |
96 DrawPaths* dp = GrNEW_APPEND_TO_RECORDER(*this->cmdBuffer(), DrawPaths, (sta
te, pathRange)); | |
97 dp->fIndices = savedIndices; | |
98 dp->fIndexType = indexType; | |
99 dp->fTransforms = savedTransforms; | |
100 dp->fTransformType = transformType; | |
101 dp->fCount = count; | |
102 dp->fStencilSettings = stencilSettings; | |
103 return dp; | |
104 } | |
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