| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/common/gpu/gpu_memory_buffer_factory_surface_texture.h" |
| |
| #include "content/common/android/surface_texture_manager.h" |
| #include "ui/gl/android/surface_texture.h" |
| #include "ui/gl/gl_image_surface_texture.h" |
| |
| namespace content { |
| |
| GpuMemoryBufferFactorySurfaceTexture::GpuMemoryBufferFactorySurfaceTexture() { |
| } |
| |
| GpuMemoryBufferFactorySurfaceTexture::~GpuMemoryBufferFactorySurfaceTexture() { |
| } |
| |
| gfx::GpuMemoryBufferHandle |
| GpuMemoryBufferFactorySurfaceTexture::CreateGpuMemoryBuffer( |
| gfx::GpuMemoryBufferId id, |
| const gfx::Size& size, |
| unsigned internalformat, |
| int client_id) { |
| // Note: this needs to be 0 as the surface texture implemenation will take |
| // ownership of the texture and call glDeleteTextures when the GPU service |
| // attaches the surface texture to a real texture id. glDeleteTextures |
| // silently ignores 0. |
| const int kDummyTextureId = 0; |
| scoped_refptr<gfx::SurfaceTexture> surface_texture = |
| gfx::SurfaceTexture::Create(kDummyTextureId); |
| if (!surface_texture.get()) |
| return gfx::GpuMemoryBufferHandle(); |
| |
| SurfaceTextureManager::GetInstance()->RegisterSurfaceTexture( |
| id, client_id, surface_texture.get()); |
| |
| SurfaceTextureMapKey key(id, client_id); |
| DCHECK(surface_textures_.find(key) == surface_textures_.end()); |
| surface_textures_[key] = surface_texture; |
| |
| gfx::GpuMemoryBufferHandle handle; |
| handle.type = gfx::SURFACE_TEXTURE_BUFFER; |
| handle.id = id; |
| return handle; |
| } |
| |
| void GpuMemoryBufferFactorySurfaceTexture::DestroyGpuMemoryBuffer( |
| gfx::GpuMemoryBufferId id, |
| int client_id) { |
| SurfaceTextureMapKey key(id, client_id); |
| SurfaceTextureMap::iterator it = surface_textures_.find(key); |
| if (it != surface_textures_.end()) |
| surface_textures_.erase(it); |
| |
| SurfaceTextureManager::GetInstance()->UnregisterSurfaceTexture(id, client_id); |
| } |
| |
| scoped_refptr<gfx::GLImage> |
| GpuMemoryBufferFactorySurfaceTexture::CreateImageForGpuMemoryBuffer( |
| gfx::GpuMemoryBufferId id, |
| const gfx::Size& size, |
| unsigned internalformat, |
| int client_id) { |
| SurfaceTextureMapKey key(id, client_id); |
| SurfaceTextureMap::iterator it = surface_textures_.find(key); |
| if (it == surface_textures_.end()) |
| return scoped_refptr<gfx::GLImage>(); |
| |
| scoped_refptr<gfx::GLImageSurfaceTexture> image( |
| new gfx::GLImageSurfaceTexture(size)); |
| if (!image->Initialize(it->second.get())) |
| return scoped_refptr<gfx::GLImage>(); |
| |
| return image; |
| } |
| |
| } // namespace content |