1 /* 2 * Copyright 2012 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "include/private/SkSpinlock.h" 9 #include "src/gpu/GrGeometryProcessor.h" 10 #include "src/gpu/GrMemoryPool.h" 11 #include "src/gpu/GrProcessor.h" 12 #include "src/gpu/GrSamplerState.h" 13 #include "src/gpu/GrTextureProxy.h" 14 #include "src/gpu/GrXferProcessor.h" 15 16 // We use a global pool protected by a mutex(spinlock). Chrome may use the same GrContext on 17 // different threads. The GrContext is not used concurrently on different threads and there is a 18 // memory barrier between accesses of a context on different threads. Also, there may be multiple 19 // GrContexts and those contexts may be in use concurrently on different threads. 20 namespace { 21 #if !defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) 22 static SkSpinlock gProcessorSpinlock; 23 #endif 24 class MemoryPoolAccessor { 25 public: 26 27 // We know in the Android framework there is only one GrContext. 28 #if defined(SK_BUILD_FOR_ANDROID_FRAMEWORK) MemoryPoolAccessor()29 MemoryPoolAccessor() {} ~MemoryPoolAccessor()30 ~MemoryPoolAccessor() {} 31 #else 32 MemoryPoolAccessor() { gProcessorSpinlock.acquire(); } 33 ~MemoryPoolAccessor() { gProcessorSpinlock.release(); } 34 #endif 35 pool() const36 GrMemoryPool* pool() const { 37 static GrMemoryPool* gPool = GrMemoryPool::Make(4096, 4096).release(); 38 return gPool; 39 } 40 }; 41 } // namespace 42 43 /////////////////////////////////////////////////////////////////////////////// 44 operator new(size_t size)45 void* GrProcessor::operator new(size_t size) { return MemoryPoolAccessor().pool()->allocate(size); } 46 operator new(size_t object_size,size_t footer_size)47 void* GrProcessor::operator new(size_t object_size, size_t footer_size) { 48 return MemoryPoolAccessor().pool()->allocate(object_size + footer_size); 49 } 50 operator delete(void * target)51 void GrProcessor::operator delete(void* target) { 52 return MemoryPoolAccessor().pool()->release(target); 53 } 54