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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 "GrVertexBatch.h" | 8 #include "GrVertexBatch.h" |
9 #include "GrBatchFlushState.h" | 9 #include "GrBatchFlushState.h" |
10 #include "GrResourceProvider.h" | 10 #include "GrResourceProvider.h" |
11 | 11 |
12 GrVertexBatch::GrVertexBatch() : fDrawArrays(1) {} | 12 GrVertexBatch::GrVertexBatch() : fDrawArrays(1) {} |
13 | 13 |
14 void GrVertexBatch::onPrepare(GrBatchFlushState* state) { | 14 void GrVertexBatch::onPrepare(GrBatchFlushState* state) { |
15 Target target(state, this); | 15 Target target(state, this); |
16 this->onPrepareDraws(&target); | 16 this->onPrepareDraws(&target); |
17 } | 17 } |
18 | 18 |
19 void* GrVertexBatch::InstancedHelper::init(Target* target, GrPrimitiveType primT
ype, | 19 void* GrVertexBatch::InstancedHelper::init(Target* target, GrPrimitiveType primT
ype, |
20 size_t vertexStride, const GrIndexBuf
fer* indexBuffer, | 20 size_t vertexStride, const GrIndexBuf
fer* indexBuffer, |
21 int verticesPerInstance, int indicesP
erInstance, | 21 int verticesPerInstance, int indicesP
erInstance, |
22 int instancesToDraw) { | 22 int instancesToDraw) { |
23 SkASSERT(target); | 23 SkASSERT(target); |
24 if (!indexBuffer) { | 24 if (!indexBuffer) { |
25 return NULL; | 25 return nullptr; |
26 } | 26 } |
27 const GrVertexBuffer* vertexBuffer; | 27 const GrVertexBuffer* vertexBuffer; |
28 int firstVertex; | 28 int firstVertex; |
29 int vertexCount = verticesPerInstance * instancesToDraw; | 29 int vertexCount = verticesPerInstance * instancesToDraw; |
30 void* vertices = target->makeVertexSpace(vertexStride, vertexCount, &vertexB
uffer, &firstVertex); | 30 void* vertices = target->makeVertexSpace(vertexStride, vertexCount, &vertexB
uffer, &firstVertex); |
31 if (!vertices) { | 31 if (!vertices) { |
32 SkDebugf("Vertices could not be allocated for instanced rendering."); | 32 SkDebugf("Vertices could not be allocated for instanced rendering."); |
33 return NULL; | 33 return nullptr; |
34 } | 34 } |
35 SkASSERT(vertexBuffer); | 35 SkASSERT(vertexBuffer); |
36 size_t ibSize = indexBuffer->gpuMemorySize(); | 36 size_t ibSize = indexBuffer->gpuMemorySize(); |
37 int maxInstancesPerDraw = static_cast<int>(ibSize / (sizeof(uint16_t) * indi
cesPerInstance)); | 37 int maxInstancesPerDraw = static_cast<int>(ibSize / (sizeof(uint16_t) * indi
cesPerInstance)); |
38 | 38 |
39 fVertices.initInstanced(primType, vertexBuffer, indexBuffer, | 39 fVertices.initInstanced(primType, vertexBuffer, indexBuffer, |
40 firstVertex, verticesPerInstance, indicesPerInstance, instancesToDraw, | 40 firstVertex, verticesPerInstance, indicesPerInstance, instancesToDraw, |
41 maxInstancesPerDraw); | 41 maxInstancesPerDraw); |
42 return vertices; | 42 return vertices; |
43 } | 43 } |
44 | 44 |
45 void GrVertexBatch::InstancedHelper::recordDraw(Target* target) { | 45 void GrVertexBatch::InstancedHelper::recordDraw(Target* target) { |
46 SkASSERT(fVertices.instanceCount()); | 46 SkASSERT(fVertices.instanceCount()); |
47 target->draw(fVertices); | 47 target->draw(fVertices); |
48 } | 48 } |
49 | 49 |
50 void* GrVertexBatch::QuadHelper::init(Target* target, size_t vertexStride, | 50 void* GrVertexBatch::QuadHelper::init(Target* target, size_t vertexStride, |
51 int quadsToDraw) { | 51 int quadsToDraw) { |
52 SkAutoTUnref<const GrIndexBuffer> quadIndexBuffer( | 52 SkAutoTUnref<const GrIndexBuffer> quadIndexBuffer( |
53 target->resourceProvider()->refQuadIndexBuffer()); | 53 target->resourceProvider()->refQuadIndexBuffer()); |
54 if (!quadIndexBuffer) { | 54 if (!quadIndexBuffer) { |
55 SkDebugf("Could not get quad index buffer."); | 55 SkDebugf("Could not get quad index buffer."); |
56 return NULL; | 56 return nullptr; |
57 } | 57 } |
58 return this->INHERITED::init(target, kTriangles_GrPrimitiveType, vertexStrid
e, | 58 return this->INHERITED::init(target, kTriangles_GrPrimitiveType, vertexStrid
e, |
59 quadIndexBuffer, kVerticesPerQuad, kIndicesPerQ
uad, quadsToDraw); | 59 quadIndexBuffer, kVerticesPerQuad, kIndicesPerQ
uad, quadsToDraw); |
60 } | 60 } |
61 | 61 |
62 void GrVertexBatch::onDraw(GrBatchFlushState* state) { | 62 void GrVertexBatch::onDraw(GrBatchFlushState* state) { |
63 int uploadCnt = fInlineUploads.count(); | 63 int uploadCnt = fInlineUploads.count(); |
64 int currUpload = 0; | 64 int currUpload = 0; |
65 | 65 |
66 // Iterate of all the drawArrays. Before issuing the draws in each array, pe
rform any inline | 66 // Iterate of all the drawArrays. Before issuing the draws in each array, pe
rform any inline |
(...skipping 10 matching lines...) Expand all Loading... |
77 const GrPrimitiveProcessor* primProc = drawArray.fPrimitiveProcessor.get
(); | 77 const GrPrimitiveProcessor* primProc = drawArray.fPrimitiveProcessor.get
(); |
78 state->gpu()->buildProgramDesc(&desc, *primProc, *pipeline, fBatchTracke
r); | 78 state->gpu()->buildProgramDesc(&desc, *primProc, *pipeline, fBatchTracke
r); |
79 GrGpu::DrawArgs args(primProc, pipeline, &desc, &fBatchTracker); | 79 GrGpu::DrawArgs args(primProc, pipeline, &desc, &fBatchTracker); |
80 | 80 |
81 int drawCount = drawArray.fDraws.count(); | 81 int drawCount = drawArray.fDraws.count(); |
82 for (int i = 0; i < drawCount; i++) { | 82 for (int i = 0; i < drawCount; i++) { |
83 state->gpu()->draw(args, drawArray.fDraws[i]); | 83 state->gpu()->draw(args, drawArray.fDraws[i]); |
84 } | 84 } |
85 } | 85 } |
86 } | 86 } |
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