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| 1 // Copyright 2013 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/stream_texture_manager_in_process_android.h
" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/callback.h" | |
| 11 #include "base/macros.h" | |
| 12 #include "gpu/command_buffer/service/texture_manager.h" | |
| 13 #include "ui/gfx/geometry/size.h" | |
| 14 #include "ui/gl/android/surface_texture.h" | |
| 15 #include "ui/gl/gl_bindings.h" | |
| 16 #include "ui/gl/gl_image.h" | |
| 17 | |
| 18 namespace gpu { | |
| 19 | |
| 20 namespace { | |
| 21 | |
| 22 // Simply wraps a SurfaceTexture reference as a GLImage. | |
| 23 class GLImageImpl : public gl::GLImage { | |
| 24 public: | |
| 25 GLImageImpl(uint32_t texture_id, | |
| 26 gles2::TextureManager* texture_manager, | |
| 27 const scoped_refptr<gfx::SurfaceTexture>& surface_texture, | |
| 28 const base::Closure& release_callback); | |
| 29 | |
| 30 // implement gl::GLImage | |
| 31 void Destroy(bool have_context) override; | |
| 32 gfx::Size GetSize() override; | |
| 33 unsigned GetInternalFormat() override; | |
| 34 bool BindTexImage(unsigned target) override; | |
| 35 void ReleaseTexImage(unsigned target) override; | |
| 36 bool CopyTexImage(unsigned target) override; | |
| 37 bool CopyTexSubImage(unsigned target, | |
| 38 const gfx::Point& offset, | |
| 39 const gfx::Rect& rect) override; | |
| 40 bool ScheduleOverlayPlane(gfx::AcceleratedWidget widget, | |
| 41 int z_order, | |
| 42 gfx::OverlayTransform transform, | |
| 43 const gfx::Rect& bounds_rect, | |
| 44 const gfx::RectF& crop_rect) override; | |
| 45 void OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd, | |
| 46 uint64_t process_tracing_id, | |
| 47 const std::string& dump_name) override; | |
| 48 | |
| 49 private: | |
| 50 ~GLImageImpl() override; | |
| 51 | |
| 52 uint32_t texture_id_; | |
| 53 gles2::TextureManager* texture_manager_; | |
| 54 scoped_refptr<gfx::SurfaceTexture> surface_texture_; | |
| 55 base::Closure release_callback_; | |
| 56 | |
| 57 DISALLOW_COPY_AND_ASSIGN(GLImageImpl); | |
| 58 }; | |
| 59 | |
| 60 GLImageImpl::GLImageImpl( | |
| 61 uint32_t texture_id, | |
| 62 gles2::TextureManager* texture_manager, | |
| 63 const scoped_refptr<gfx::SurfaceTexture>& surface_texture, | |
| 64 const base::Closure& release_callback) | |
| 65 : texture_id_(texture_id), | |
| 66 texture_manager_(texture_manager), | |
| 67 surface_texture_(surface_texture), | |
| 68 release_callback_(release_callback) {} | |
| 69 | |
| 70 GLImageImpl::~GLImageImpl() { | |
| 71 release_callback_.Run(); | |
| 72 } | |
| 73 | |
| 74 void GLImageImpl::Destroy(bool have_context) { | |
| 75 NOTREACHED(); | |
| 76 } | |
| 77 | |
| 78 gfx::Size GLImageImpl::GetSize() { | |
| 79 return gfx::Size(); | |
| 80 } | |
| 81 | |
| 82 unsigned GLImageImpl::GetInternalFormat() { | |
| 83 return GL_RGBA; | |
| 84 } | |
| 85 | |
| 86 bool GLImageImpl::BindTexImage(unsigned target) { | |
| 87 NOTREACHED(); | |
| 88 return false; | |
| 89 } | |
| 90 | |
| 91 void GLImageImpl::ReleaseTexImage(unsigned target) { | |
| 92 NOTREACHED(); | |
| 93 } | |
| 94 | |
| 95 bool GLImageImpl::CopyTexImage(unsigned target) { | |
| 96 if (target != GL_TEXTURE_EXTERNAL_OES) | |
| 97 return false; | |
| 98 | |
| 99 GLint texture_id; | |
| 100 glGetIntegerv(GL_TEXTURE_BINDING_EXTERNAL_OES, &texture_id); | |
| 101 DCHECK(texture_id); | |
| 102 | |
| 103 // The following code only works if we're being asked to copy into | |
| 104 // |texture_id_|. Copying into a different texture is not supported. | |
| 105 if (static_cast<unsigned>(texture_id) != texture_id_) | |
| 106 return false; | |
| 107 | |
| 108 surface_texture_->UpdateTexImage(); | |
| 109 | |
| 110 gles2::Texture* texture = | |
| 111 texture_manager_->GetTextureForServiceId(texture_id_); | |
| 112 if (texture) { | |
| 113 // By setting image state to UNBOUND instead of COPIED we ensure that | |
| 114 // CopyTexImage() is called each time the surface texture is used for | |
| 115 // drawing. | |
| 116 texture->SetLevelImage(GL_TEXTURE_EXTERNAL_OES, 0, this, | |
| 117 gles2::Texture::UNBOUND); | |
| 118 } | |
| 119 return true; | |
| 120 } | |
| 121 | |
| 122 bool GLImageImpl::CopyTexSubImage(unsigned target, | |
| 123 const gfx::Point& offset, | |
| 124 const gfx::Rect& rect) { | |
| 125 return false; | |
| 126 } | |
| 127 | |
| 128 bool GLImageImpl::ScheduleOverlayPlane(gfx::AcceleratedWidget widget, | |
| 129 int z_order, | |
| 130 gfx::OverlayTransform transform, | |
| 131 const gfx::Rect& bounds_rect, | |
| 132 const gfx::RectF& crop_rect) { | |
| 133 NOTREACHED(); | |
| 134 return false; | |
| 135 } | |
| 136 | |
| 137 void GLImageImpl::OnMemoryDump(base::trace_event::ProcessMemoryDump* pmd, | |
| 138 uint64_t process_tracing_id, | |
| 139 const std::string& dump_name) { | |
| 140 // TODO(ericrk): Implement GLImage OnMemoryDump. crbug.com/514914 | |
| 141 } | |
| 142 | |
| 143 } // anonymous namespace | |
| 144 | |
| 145 StreamTextureManagerInProcess::StreamTextureManagerInProcess() | |
| 146 : next_id_(1), weak_factory_(this) {} | |
| 147 | |
| 148 StreamTextureManagerInProcess::~StreamTextureManagerInProcess() { | |
| 149 if (!textures_.empty()) { | |
| 150 LOG(WARNING) << "Undestroyed surface textures while tearing down " | |
| 151 "StreamTextureManager."; | |
| 152 } | |
| 153 } | |
| 154 | |
| 155 GLuint StreamTextureManagerInProcess::CreateStreamTexture( | |
| 156 uint32_t client_texture_id, | |
| 157 gles2::TextureManager* texture_manager) { | |
| 158 CalledOnValidThread(); | |
| 159 | |
| 160 gles2::TextureRef* texture = texture_manager->GetTexture(client_texture_id); | |
| 161 | |
| 162 if (!texture || (texture->texture()->target() && | |
| 163 texture->texture()->target() != GL_TEXTURE_EXTERNAL_OES)) { | |
| 164 return 0; | |
| 165 } | |
| 166 | |
| 167 scoped_refptr<gfx::SurfaceTexture> surface_texture( | |
| 168 gfx::SurfaceTexture::Create(texture->service_id())); | |
| 169 | |
| 170 uint32_t stream_id = next_id_++; | |
| 171 base::Closure release_callback = | |
| 172 base::Bind(&StreamTextureManagerInProcess::OnReleaseStreamTexture, | |
| 173 weak_factory_.GetWeakPtr(), stream_id); | |
| 174 scoped_refptr<gl::GLImage> gl_image( | |
| 175 new GLImageImpl(texture->service_id(), texture_manager, surface_texture, | |
| 176 release_callback)); | |
| 177 | |
| 178 gfx::Size size = gl_image->GetSize(); | |
| 179 texture_manager->SetTarget(texture, GL_TEXTURE_EXTERNAL_OES); | |
| 180 texture_manager->SetLevelInfo(texture, GL_TEXTURE_EXTERNAL_OES, 0, GL_RGBA, | |
| 181 size.width(), size.height(), 1, 0, GL_RGBA, | |
| 182 GL_UNSIGNED_BYTE, gfx::Rect(size)); | |
| 183 texture_manager->SetLevelImage(texture, GL_TEXTURE_EXTERNAL_OES, 0, | |
| 184 gl_image.get(), gles2::Texture::UNBOUND); | |
| 185 | |
| 186 { | |
| 187 base::AutoLock lock(map_lock_); | |
| 188 textures_[stream_id] = surface_texture; | |
| 189 } | |
| 190 | |
| 191 if (next_id_ == 0) | |
| 192 next_id_++; | |
| 193 | |
| 194 return stream_id; | |
| 195 } | |
| 196 | |
| 197 void StreamTextureManagerInProcess::OnReleaseStreamTexture(uint32_t stream_id) { | |
| 198 CalledOnValidThread(); | |
| 199 base::AutoLock lock(map_lock_); | |
| 200 textures_.erase(stream_id); | |
| 201 } | |
| 202 | |
| 203 // This can get called from any thread. | |
| 204 scoped_refptr<gfx::SurfaceTexture> | |
| 205 StreamTextureManagerInProcess::GetSurfaceTexture(uint32_t stream_id) { | |
| 206 base::AutoLock lock(map_lock_); | |
| 207 TextureMap::const_iterator it = textures_.find(stream_id); | |
| 208 if (it != textures_.end()) | |
| 209 return it->second; | |
| 210 | |
| 211 return NULL; | |
| 212 } | |
| 213 | |
| 214 } // namespace gpu | |
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