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| 1 // Copyright (c) 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 "gpu/command_buffer/service/display.h" |
| 6 #include "gpu/command_buffer/service/texture_definition.h" |
| 7 |
| 8 namespace gpu { |
| 9 namespace gles2 { |
| 10 |
| 11 Display::Display() { |
| 12 } |
| 13 |
| 14 Display::~Display() { |
| 15 } |
| 16 |
| 17 TextureDefinition* Display::ConsumeTexture(GLenum target, |
| 18 const MailboxName& name) { |
| 19 TextureDefinitionMap::iterator it = |
| 20 textures_.find(TargetName(target, name)); |
| 21 if (it == textures_.end()) |
| 22 return NULL; |
| 23 |
| 24 TextureDefinition* definition = it->second.definition.release(); |
| 25 textures_.erase(it); |
| 26 |
| 27 return definition; |
| 28 } |
| 29 |
| 30 void Display::ProduceTexture(GLenum target, |
| 31 const MailboxName& name, |
| 32 TextureDefinition* definition, |
| 33 TextureManager* owner) { |
| 34 TextureDefinitionMap::iterator it = |
| 35 textures_.find(TargetName(target, name)); |
| 36 if (it != textures_.end()) { |
| 37 GLuint service_id = it->second.definition->ReleaseServiceId(); |
| 38 glDeleteTextures(1, &service_id); |
| 39 it->second = OwnedTextureDefinition(definition, owner); |
| 40 } else { |
| 41 textures_.insert(std::make_pair( |
| 42 TargetName(target, name), |
| 43 OwnedTextureDefinition(definition, owner))); |
| 44 } |
| 45 } |
| 46 |
| 47 void Display::DestroyOwnedTextures(TextureManager* owner, bool have_context) { |
| 48 TextureDefinitionMap::iterator it = textures_.begin(); |
| 49 while (it != textures_.end()) { |
| 50 if (it->second.owner == owner) { |
| 51 GLuint service_id = it->second.definition->ReleaseServiceId(); |
| 52 if (have_context) |
| 53 glDeleteTextures(1, &service_id); |
| 54 it = textures_.erase(it); |
| 55 } else { |
| 56 ++it; |
| 57 } |
| 58 } |
| 59 } |
| 60 |
| 61 Display::TargetName::TargetName(GLenum target, const MailboxName& name) |
| 62 : target(target), |
| 63 name(name) { |
| 64 } |
| 65 |
| 66 size_t Display::TargetNameCompare::operator() (const TargetName& value) const { |
| 67 size_t hash = value.target; |
| 68 for (int i = 0; i < arraysize(value.name.components); ++i) |
| 69 hash ^= value.name.components[i]; |
| 70 return hash; |
| 71 } |
| 72 |
| 73 int Display::TargetNameCompare::operator() (const TargetName& lhs, |
| 74 const TargetName& rhs) const { |
| 75 return memcmp(&lhs, &rhs, sizeof(lhs)); |
| 76 } |
| 77 |
| 78 Display::OwnedTextureDefinition::OwnedTextureDefinition( |
| 79 TextureDefinition* definition, |
| 80 TextureManager* owner) |
| 81 : definition(definition), |
| 82 owner(owner) { |
| 83 } |
| 84 |
| 85 } // namespace gles2 |
| 86 } // namespace gpu |
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