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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, target, GL_CLAMP_TO_EDGE, ResourceProvider::TEXTURE_HINT_IMMUTABLE, | |
42 format)); | |
43 | |
44 #if DCHECK_IS_ON() | |
45 allocate_thread_id_ = base::PlatformThread::CurrentId(); | |
46 #endif | |
47 } | |
48 | |
49 void ScopedResource::Free() { | |
50 if (id()) { | |
51 #if DCHECK_IS_ON() | |
52 DCHECK(allocate_thread_id_ == base::PlatformThread::CurrentId()); | |
53 #endif | |
54 resource_provider_->DeleteResource(id()); | |
55 } | |
56 set_id(0); | |
57 } | |
58 | |
59 } // namespace cc | |
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