chromeos: Add SurfaceServiceProvider.

ash/surfaces/surface_controller.cc

Index: ash/surfaces/surface_controller.cc
diff --git a/ash/surfaces/surface_controller.cc b/ash/surfaces/surface_controller.cc
new file mode 100644
index 0000000000000000000000000000000000000000..3b687dc09b13e912c323534fee99ffc88461b564
--- /dev/null
+++ b/ash/surfaces/surface_controller.cc
@@ -0,0 +1,159 @@
+// Copyright 2015 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 "ash/surfaces/surface_controller.h"
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <GLES2/gl2extchromium.h>
+
+#include "base/logging.h"
+#include "cc/output/context_provider.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
+#include "gpu/command_buffer/client/gpu_memory_buffer_manager.h"
+#include "gpu/command_buffer/common/mailbox.h"
+#include "ui/aura/env.h"
+#include "ui/compositor/compositor.h"
+#include "ui/compositor/layer.h"
+
+namespace ash {
+namespace {
+
+GLenum GLInternalFormat(gfx::BufferFormat format) {
+  const GLenum kGLInternalFormats[] = {
+      GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD,  // ATC
+      GL_COMPRESSED_RGB_S3TC_DXT1_EXT,     // ATCIA
+      GL_COMPRESSED_RGB_S3TC_DXT1_EXT,     // DXT1
+      GL_COMPRESSED_RGBA_S3TC_DXT5_EXT,    // DXT5
+      GL_ETC1_RGB8_OES,                    // ETC1
+      GL_R8_EXT,                           // R_8
+      GL_RGBA,                             // RGBA_4444
+      GL_RGBA,                             // RGBA_8888
+      GL_RGB,                              // BGRX_8888
+      GL_BGRA_EXT,                         // BGRA_8888
+      GL_RGB_YUV_420_CHROMIUM,             // YUV_420
+      GL_INVALID_ENUM,                     // YUV_420_BIPLANAR
+      GL_RGB_YCBCR_422_CHROMIUM,           // UYVY_422
+  };
+  static_assert(arraysize(kGLInternalFormats) ==
+                    (static_cast<int>(gfx::BufferFormat::LAST) + 1),
+                "BufferFormat::LAST must be last value of kGLInternalFormats");
+
+  DCHECK(format <= gfx::BufferFormat::LAST);
+  return kGLInternalFormats[static_cast<int>(format)];
+}
+
+}  // namespace
+
+SurfaceController::SurfaceController()
+    : test_shell_surface_layer_(new ui::Layer(ui::LAYER_SOLID_COLOR)),
+      weak_ptr_factory_(this) {}
+
+SurfaceController::~SurfaceController() {}
+
+void SurfaceController::CreateGraphicsBufferFromGpuMemoryBufferHandle(
+    uint32 id,
+    const gfx::GpuMemoryBufferHandle& handle,
+    const gfx::Size& size,
+    gfx::BufferFormat format,
+    const GraphicsBufferCreatedCallback& callback) {
+  if (id < 0x10000) {
+    LOG(ERROR) << "Failed to create graphics buffer. ID is less than 0x10000";
+    callback.Run(false);
+    return;
+  }
+
+  // TODO(reveman): Expose GpuMemoryBufferManager's asynchronous API.
+  scoped_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer =
+      aura::Env::GetInstance()
+          ->context_factory()
+          ->GetGpuMemoryBufferManager()
+          ->CreateGpuMemoryBufferFromHandle(handle, size, format);
+  if (!gpu_memory_buffer) {
+    LOG(ERROR) << "Failed to create graphics buffer from handle";
+    callback.Run(false);
+    return;
+  }
+
+  if (!gpu_memory_buffers_.add(id, gpu_memory_buffer.Pass()).second) {
+    LOG(ERROR) << "Failed to create graphics buffer. ID is already present "
+               << id;
+    callback.Run(false);
+    return;
+  }
+
+  callback.Run(true);
+}
+
+void SurfaceController::DestroyGraphicsBuffer(uint32 id) {
+  if (!gpu_memory_buffers_.erase(id))
+    LOG(ERROR) << "Failed to destroy graphics buffer. ID is not present " << id;
+}
+
+void SurfaceController::AttachGraphicsBufferToTestShellSurface(
+    uint32 buffer_id,
+    const base::Closure& released_callback) {
+  gfx::GpuMemoryBuffer* gpu_memory_buffer = gpu_memory_buffers_.get(buffer_id);
+  if (!gpu_memory_buffer) {
+    LOG_IF(ERROR, buffer_id) << "Failed to attach graphics buffer to test shell"
+                             << " surface. ID is not present " << buffer_id;
+    test_shell_surface_layer_->SetShowSolidColorContent();
+    test_shell_surface_layer_->SetVisible(false);
+    return;
+  }
+
+  ui::ContextFactory* context_factory =
+      aura::Env::GetInstance()->context_factory();
+  scoped_refptr<cc::ContextProvider> context_provider =
+      context_factory->SharedMainThreadContextProvider();
+  gpu::gles2::GLES2Interface* gles2 = context_provider->ContextGL();
+  gfx::BufferFormat format = gpu_memory_buffer->GetFormat();
+  gfx::Size size = gpu_memory_buffer->GetSize();
+  GLenum texture_target =
+      context_factory->GetImageTextureTarget(format, gfx::BufferUsage::SCANOUT);
+  unsigned texture_id = 0;
+  gles2->GenTextures(1, &texture_id);
+  gles2->ActiveTexture(GL_TEXTURE0);
+  gles2->BindTexture(texture_target, texture_id);
+  gles2->TexParameteri(texture_target, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+  gles2->TexParameteri(texture_target, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+  gles2->TexParameteri(texture_target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+  gles2->TexParameteri(texture_target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+  unsigned image_id = gles2->CreateImageCHROMIUM(
+      gpu_memory_buffer->AsClientBuffer(), size.width(), size.height(),
+      GLInternalFormat(format));
+  gles2->BindTexImage2DCHROMIUM(texture_target, image_id);
+  uint32 sync_point = gles2->InsertSyncPointCHROMIUM();
+  gpu::Mailbox mailbox;
+  gles2->GenMailboxCHROMIUM(mailbox.name);
+  gles2->ProduceTextureCHROMIUM(texture_target, mailbox.name);
+  cc::TextureMailbox texture_mailbox(mailbox, texture_target, sync_point);
+  test_shell_surface_layer_->SetTextureMailbox(
+      texture_mailbox,
+      cc::SingleReleaseCallback::Create(base::Bind(
+          &SurfaceController::TextureReleased, weak_ptr_factory_.GetWeakPtr(),
+          context_provider, texture_id, image_id, released_callback)),
+      size);
+  test_shell_surface_layer_->SetTextureFlipped(false);
+  test_shell_surface_layer_->SetBounds(gfx::Rect(size));
+  test_shell_surface_layer_->SetFillsBoundsOpaquely(true);
+  test_shell_surface_layer_->SetVisible(true);
+  test_shell_surface_layer_->SchedulePaint(gfx::Rect(size));
+}
+
+void SurfaceController::TextureReleased(
+    scoped_refptr<cc::ContextProvider> context_provider,
+    unsigned texture_id,
+    unsigned image_id,
+    const base::Closure& released_callback,
+    uint32 sync_point,
+    bool is_lost) {
+  gpu::gles2::GLES2Interface* gles2 = context_provider->ContextGL();
+  gles2->WaitSyncPointCHROMIUM(sync_point);
+  gles2->DeleteTextures(1, &texture_id);
+  gles2->DestroyImageCHROMIUM(image_id);
+  released_callback.Run();
+}
+
+}  // namespace ash