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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 #include "GrGLGpu.h" | 8 #include "GrGLGpu.h" |
9 | 9 |
10 #include "builders/GrGLProgramBuilder.h" | 10 #include "builders/GrGLProgramBuilder.h" |
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84 SkDELETE(fEntries[i]); | 84 SkDELETE(fEntries[i]); |
85 } | 85 } |
86 fCount = 0; | 86 fCount = 0; |
87 } | 87 } |
88 | 88 |
89 int GrGLGpu::ProgramCache::search(const GrProgramDesc& desc) const { | 89 int GrGLGpu::ProgramCache::search(const GrProgramDesc& desc) const { |
90 ProgDescLess less; | 90 ProgDescLess less; |
91 return SkTSearch(fEntries, fCount, desc, sizeof(Entry*), less); | 91 return SkTSearch(fEntries, fCount, desc, sizeof(Entry*), less); |
92 } | 92 } |
93 | 93 |
94 GrGLProgram* GrGLGpu::ProgramCache::getProgram(const GrOptDrawState& optState) { | 94 GrGLProgram* GrGLGpu::ProgramCache::getProgram(const DrawArgs& args) { |
95 #ifdef PROGRAM_CACHE_STATS | 95 #ifdef PROGRAM_CACHE_STATS |
96 ++fTotalRequests; | 96 ++fTotalRequests; |
97 #endif | 97 #endif |
98 | 98 |
99 Entry* entry = NULL; | 99 Entry* entry = NULL; |
100 | 100 |
101 uint32_t hashIdx = optState.programDesc().getChecksum(); | 101 uint32_t hashIdx = args.fDesc->getChecksum(); |
102 hashIdx ^= hashIdx >> 16; | 102 hashIdx ^= hashIdx >> 16; |
103 if (kHashBits <= 8) { | 103 if (kHashBits <= 8) { |
104 hashIdx ^= hashIdx >> 8; | 104 hashIdx ^= hashIdx >> 8; |
105 } | 105 } |
106 hashIdx &=((1 << kHashBits) - 1); | 106 hashIdx &=((1 << kHashBits) - 1); |
107 Entry* hashedEntry = fHashTable[hashIdx]; | 107 Entry* hashedEntry = fHashTable[hashIdx]; |
108 if (hashedEntry && hashedEntry->fProgram->getDesc() == optState.programDesc(
)) { | 108 if (hashedEntry && hashedEntry->fProgram->getDesc() == *args.fDesc) { |
109 SkASSERT(hashedEntry->fProgram); | 109 SkASSERT(hashedEntry->fProgram); |
110 entry = hashedEntry; | 110 entry = hashedEntry; |
111 } | 111 } |
112 | 112 |
113 int entryIdx; | 113 int entryIdx; |
114 if (NULL == entry) { | 114 if (NULL == entry) { |
115 entryIdx = this->search(optState.programDesc()); | 115 entryIdx = this->search(*args.fDesc); |
116 if (entryIdx >= 0) { | 116 if (entryIdx >= 0) { |
117 entry = fEntries[entryIdx]; | 117 entry = fEntries[entryIdx]; |
118 #ifdef PROGRAM_CACHE_STATS | 118 #ifdef PROGRAM_CACHE_STATS |
119 ++fHashMisses; | 119 ++fHashMisses; |
120 #endif | 120 #endif |
121 } | 121 } |
122 } | 122 } |
123 | 123 |
124 if (NULL == entry) { | 124 if (NULL == entry) { |
125 // We have a cache miss | 125 // We have a cache miss |
126 #ifdef PROGRAM_CACHE_STATS | 126 #ifdef PROGRAM_CACHE_STATS |
127 ++fCacheMisses; | 127 ++fCacheMisses; |
128 #endif | 128 #endif |
129 GrGLProgram* program = GrGLProgramBuilder::CreateProgram(optState, fGpu)
; | 129 GrGLProgram* program = GrGLProgramBuilder::CreateProgram(args, fGpu); |
130 if (NULL == program) { | 130 if (NULL == program) { |
131 return NULL; | 131 return NULL; |
132 } | 132 } |
133 int purgeIdx = 0; | 133 int purgeIdx = 0; |
134 if (fCount < kMaxEntries) { | 134 if (fCount < kMaxEntries) { |
135 entry = SkNEW(Entry); | 135 entry = SkNEW(Entry); |
136 purgeIdx = fCount++; | 136 purgeIdx = fCount++; |
137 fEntries[purgeIdx] = entry; | 137 fEntries[purgeIdx] = entry; |
138 } else { | 138 } else { |
139 SkASSERT(fCount == kMaxEntries); | 139 SkASSERT(fCount == kMaxEntries); |
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189 | 189 |
190 if (SK_MaxU32 == fCurrLRUStamp) { | 190 if (SK_MaxU32 == fCurrLRUStamp) { |
191 // wrap around! just trash our LRU, one time hit. | 191 // wrap around! just trash our LRU, one time hit. |
192 for (int i = 0; i < fCount; ++i) { | 192 for (int i = 0; i < fCount; ++i) { |
193 fEntries[i]->fLRUStamp = 0; | 193 fEntries[i]->fLRUStamp = 0; |
194 } | 194 } |
195 } | 195 } |
196 ++fCurrLRUStamp; | 196 ++fCurrLRUStamp; |
197 return entry->fProgram; | 197 return entry->fProgram; |
198 } | 198 } |
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