1 // Copyright 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "cc/resources/scoped_resource.h" 6 7 namespace cc { 8 9 ScopedResource::ScopedResource(ResourceProvider* resource_provider) 10 : resource_provider_(resource_provider) { 11 DCHECK(resource_provider_); 12 } 13 14 ScopedResource::~ScopedResource() { 15 Free(); 16 } 17 18 void ScopedResource::Allocate(const gfx::Size& size, 19 ResourceProvider::TextureHint hint, 20 ResourceFormat format) { 21 DCHECK(!id()); 22 DCHECK(!size.IsEmpty()); 23 24 set_dimensions(size, format); 25 set_id(resource_provider_->CreateResource( 26 size, GL_CLAMP_TO_EDGE, hint, format)); 27 28 #if DCHECK_IS_ON 29 allocate_thread_id_ = base::PlatformThread::CurrentId(); 30 #endif 31 } 32 33 void ScopedResource::AllocateManaged(const gfx::Size& size, 34 GLenum target, 35 ResourceFormat format) { 36 DCHECK(!id()); 37 DCHECK(!size.IsEmpty()); 38 39 set_dimensions(size, format); 40 set_id(resource_provider_->CreateManagedResource( 41 size, 42 target, 43 GL_CLAMP_TO_EDGE, 44 ResourceProvider::TextureHintImmutable, 45 format)); 46 47 #if DCHECK_IS_ON 48 allocate_thread_id_ = base::PlatformThread::CurrentId(); 49 #endif 50 } 51 52 void ScopedResource::Free() { 53 if (id()) { 54 #if DCHECK_IS_ON 55 DCHECK(allocate_thread_id_ == base::PlatformThread::CurrentId()); 56 #endif 57 resource_provider_->DeleteResource(id()); 58 } 59 set_id(0); 60 } 61 62 void ScopedResource::Leak() { 63 set_id(0); 64 } 65 66 } // namespace cc 67
