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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #include "GrStencilBuffer.h" | 9 #include "GrStencilBuffer.h" |
10 | 10 |
11 #include "GrContext.h" | 11 #include "GrContext.h" |
12 #include "GrGpu.h" | 12 #include "GrGpu.h" |
13 #include "GrResourceCache2.h" | 13 #include "GrResourceCache2.h" |
14 | 14 |
15 void GrStencilBuffer::transferToCache() { | |
16 this->getGpu()->getContext()->addStencilBuffer(this); | |
17 } | |
18 | |
19 namespace { | 15 namespace { |
20 // we should never have more than one stencil buffer with same combo of (width,h
eight,samplecount) | 16 // we should never have more than one stencil buffer with same combo of (width,h
eight,samplecount) |
21 void gen_cache_id(int width, int height, int sampleCnt, GrCacheID* cacheID) { | 17 void gen_cache_id(int width, int height, int sampleCnt, GrCacheID* cacheID) { |
22 static const GrCacheID::Domain gStencilBufferDomain = GrCacheID::GenerateDom
ain(); | 18 static const GrCacheID::Domain gStencilBufferDomain = GrResourceKey::Scratch
Domain(); |
23 GrCacheID::Key key; | 19 GrCacheID::Key key; |
24 uint32_t* keyData = key.fData32; | 20 uint32_t* keyData = key.fData32; |
25 keyData[0] = width; | 21 keyData[0] = width; |
26 keyData[1] = height; | 22 keyData[1] = height; |
27 keyData[2] = sampleCnt; | 23 keyData[2] = sampleCnt; |
28 memset(keyData + 3, 0, sizeof(key) - 3 * sizeof(uint32_t)); | 24 memset(keyData + 3, 0, sizeof(key) - 3 * sizeof(uint32_t)); |
29 GR_STATIC_ASSERT(sizeof(key) >= 3 * sizeof(uint32_t)); | 25 GR_STATIC_ASSERT(sizeof(key) >= 3 * sizeof(uint32_t)); |
30 cacheID->reset(gStencilBufferDomain, key); | 26 cacheID->reset(gStencilBufferDomain, key); |
31 } | 27 } |
32 } | 28 } |
33 | 29 |
34 GrResourceKey GrStencilBuffer::ComputeKey(int width, | 30 GrResourceKey GrStencilBuffer::ComputeKey(int width, |
35 int height, | 31 int height, |
36 int sampleCnt) { | 32 int sampleCnt) { |
37 // All SBs are created internally to attach to RTs so they all use the same
domain. | 33 // All SBs are created internally to attach to RTs so they all use the same
domain. |
38 static const GrResourceKey::ResourceType gStencilBufferResourceType = | 34 static const GrResourceKey::ResourceType gStencilBufferResourceType = |
39 GrResourceKey::GenerateResourceType(); | 35 GrResourceKey::GenerateResourceType(); |
40 GrCacheID id; | 36 GrCacheID id; |
41 gen_cache_id(width, height, sampleCnt, &id); | 37 gen_cache_id(width, height, sampleCnt, &id); |
42 | 38 |
43 // we don't use any flags for SBs currently. | 39 // we don't use any flags for SBs currently. |
44 return GrResourceKey(id, gStencilBufferResourceType, 0); | 40 return GrResourceKey(id, gStencilBufferResourceType, 0); |
45 } | 41 } |
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