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
ScopedResource(ResourceProvider * resource_provider)9 ScopedResource::ScopedResource(ResourceProvider* resource_provider)
10 : resource_provider_(resource_provider) {
11 DCHECK(resource_provider_);
12 }
13
~ScopedResource()14 ScopedResource::~ScopedResource() {
15 Free();
16 }
17
Allocate(const gfx::Size & size,ResourceProvider::TextureHint hint,ResourceFormat format)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
AllocateManaged(const gfx::Size & size,GLenum target,ResourceFormat format)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
Free()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
Leak()62 void ScopedResource::Leak() {
63 set_id(0);
64 }
65
66 } // namespace cc
67