#include <android/bitmap.h>
#include <android/native_window_jni.h>
-#include <map>
#include "base/android/jni_android.h"
#include "base/android/scoped_java_ref.h"
#include "base/bind.h"
#include "base/command_line.h"
+#include "base/containers/hash_tables.h"
#include "base/lazy_instance.h"
#include "base/logging.h"
+#include "base/memory/weak_ptr.h"
#include "base/single_thread_task_runner.h"
#include "base/synchronization/lock.h"
#include "base/threading/thread.h"
+#include "base/threading/thread_checker.h"
+#include "cc/base/switches.h"
#include "cc/input/input_handler.h"
#include "cc/layers/layer.h"
#include "cc/output/compositor_frame.h"
#include "cc/output/context_provider.h"
#include "cc/output/output_surface.h"
-#include "cc/resources/scoped_ui_resource.h"
-#include "cc/resources/ui_resource_bitmap.h"
#include "cc/trees/layer_tree_host.h"
+#include "content/browser/android/child_process_launcher_android.h"
#include "content/browser/gpu/browser_gpu_channel_host_factory.h"
#include "content/browser/gpu/gpu_surface_tracker.h"
#include "content/common/gpu/client/command_buffer_proxy_impl.h"
#include "content/common/gpu/client/gpu_channel_host.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/common/gpu/gpu_process_launch_causes.h"
+#include "content/common/host_shared_bitmap_manager.h"
#include "content/public/browser/android/compositor_client.h"
-#include "content/public/common/content_switches.h"
-#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
+#include "gpu/command_buffer/client/gles2_interface.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/khronos/GLES2/gl2ext.h"
+#include "third_party/skia/include/core/SkMallocPixelRef.h"
+#include "ui/base/android/window_android.h"
#include "ui/gfx/android/device_display_info.h"
-#include "ui/gfx/android/java_bitmap.h"
#include "ui/gfx/frame_time.h"
+#include "ui/gl/android/surface_texture.h"
+#include "ui/gl/android/surface_texture_tracker.h"
#include "webkit/common/gpu/context_provider_in_process.h"
#include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
-namespace gfx {
-class JavaBitmap;
-}
-
namespace {
-// Used for drawing directly to the screen. Bypasses resizing and swaps.
-class DirectOutputSurface : public cc::OutputSurface {
- public:
- DirectOutputSurface(
- const scoped_refptr<cc::ContextProvider>& context_provider)
- : cc::OutputSurface(context_provider) {
- capabilities_.adjust_deadline_for_parent = false;
- }
-
- virtual void Reshape(gfx::Size size, float scale_factor) OVERRIDE {
- surface_size_ = size;
- }
- virtual void SwapBuffers(cc::CompositorFrame*) OVERRIDE {
- context_provider_->Context3d()->shallowFlushCHROMIUM();
- }
-};
+const unsigned int kMaxSwapBuffers = 2U;
// Used to override capabilities_.adjust_deadline_for_parent to false
class OutputSurfaceWithoutParent : public cc::OutputSurface {
public:
- OutputSurfaceWithoutParent(
- const scoped_refptr<
- content::ContextProviderCommandBuffer>& context_provider)
+ OutputSurfaceWithoutParent(const scoped_refptr<
+ content::ContextProviderCommandBuffer>& context_provider,
+ base::WeakPtr<content::CompositorImpl> compositor_impl)
: cc::OutputSurface(context_provider) {
capabilities_.adjust_deadline_for_parent = false;
+ compositor_impl_ = compositor_impl;
+ main_thread_ = base::MessageLoopProxy::current();
}
virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE {
- content::WebGraphicsContext3DCommandBufferImpl* command_buffer_context =
- static_cast<content::WebGraphicsContext3DCommandBufferImpl*>(
- context_provider_->Context3d());
+ content::ContextProviderCommandBuffer* provider_command_buffer =
+ static_cast<content::ContextProviderCommandBuffer*>(
+ context_provider_.get());
content::CommandBufferProxyImpl* command_buffer_proxy =
- command_buffer_context->GetCommandBufferProxy();
+ provider_command_buffer->GetCommandBufferProxy();
DCHECK(command_buffer_proxy);
command_buffer_proxy->SetLatencyInfo(frame->metadata.latency_info);
OutputSurface::SwapBuffers(frame);
}
+
+ virtual bool BindToClient(cc::OutputSurfaceClient* client) OVERRIDE {
+ if (!OutputSurface::BindToClient(client))
+ return false;
+
+ main_thread_->PostTask(
+ FROM_HERE,
+ base::Bind(&content::CompositorImpl::PopulateGpuCapabilities,
+ compositor_impl_,
+ context_provider_->ContextCapabilities().gpu));
+
+ return true;
+ }
+
+ scoped_refptr<base::MessageLoopProxy> main_thread_;
+ base::WeakPtr<content::CompositorImpl> compositor_impl_;
};
+class SurfaceTextureTrackerImpl : public gfx::SurfaceTextureTracker {
+ public:
+ SurfaceTextureTrackerImpl() : next_surface_texture_id_(1) {
+ thread_checker_.DetachFromThread();
+ }
+
+ // Overridden from gfx::SurfaceTextureTracker:
+ virtual scoped_refptr<gfx::SurfaceTexture> AcquireSurfaceTexture(
+ int primary_id,
+ int secondary_id) OVERRIDE {
+ base::AutoLock lock(surface_textures_lock_);
+ SurfaceTextureMapKey key(primary_id, secondary_id);
+ SurfaceTextureMap::iterator it = surface_textures_.find(key);
+ if (it == surface_textures_.end())
+ return scoped_refptr<gfx::SurfaceTexture>();
+ scoped_refptr<gfx::SurfaceTexture> surface_texture = it->second;
+ surface_textures_.erase(it);
+ return surface_texture;
+ }
+
+ int AddSurfaceTexture(gfx::SurfaceTexture* surface_texture,
+ int child_process_id) {
+ DCHECK(thread_checker_.CalledOnValidThread());
+ int surface_texture_id = next_surface_texture_id_++;
+ if (next_surface_texture_id_ == INT_MAX)
+ next_surface_texture_id_ = 1;
+
+ base::AutoLock lock(surface_textures_lock_);
+ SurfaceTextureMapKey key(surface_texture_id, child_process_id);
+ DCHECK(surface_textures_.find(key) == surface_textures_.end());
+ surface_textures_[key] = surface_texture;
+ content::RegisterChildProcessSurfaceTexture(
+ surface_texture_id,
+ child_process_id,
+ surface_texture->j_surface_texture().obj());
+ return surface_texture_id;
+ }
+
+ void RemoveAllSurfaceTextures(int child_process_id) {
+ DCHECK(thread_checker_.CalledOnValidThread());
+ base::AutoLock lock(surface_textures_lock_);
+ SurfaceTextureMap::iterator it = surface_textures_.begin();
+ while (it != surface_textures_.end()) {
+ if (it->first.second == child_process_id) {
+ content::UnregisterChildProcessSurfaceTexture(it->first.first,
+ it->first.second);
+ surface_textures_.erase(it++);
+ } else {
+ ++it;
+ }
+ }
+ }
+
+ private:
+ typedef std::pair<int, int> SurfaceTextureMapKey;
+ typedef base::hash_map<SurfaceTextureMapKey,
+ scoped_refptr<gfx::SurfaceTexture> >
+ SurfaceTextureMap;
+ SurfaceTextureMap surface_textures_;
+ mutable base::Lock surface_textures_lock_;
+ int next_surface_texture_id_;
+ base::ThreadChecker thread_checker_;
+};
+base::LazyInstance<SurfaceTextureTrackerImpl> g_surface_texture_tracker =
+ LAZY_INSTANCE_INITIALIZER;
+
static bool g_initialized = false;
-static base::Thread* g_impl_thread = NULL;
} // anonymous namespace
namespace content {
-typedef std::map<int, base::android::ScopedJavaGlobalRef<jobject> >
- SurfaceMap;
-static base::LazyInstance<SurfaceMap>
- g_surface_map = LAZY_INSTANCE_INITIALIZER;
-static base::LazyInstance<base::Lock> g_surface_map_lock;
-
// static
-Compositor* Compositor::Create(CompositorClient* client) {
- return client ? new CompositorImpl(client) : NULL;
+Compositor* Compositor::Create(CompositorClient* client,
+ gfx::NativeWindow root_window) {
+ return client ? new CompositorImpl(client, root_window) : NULL;
}
// static
void Compositor::Initialize() {
DCHECK(!CompositorImpl::IsInitialized());
+ // SurfaceTextureTracker instance must be set before we create a GPU thread
+ // that could be using it to initialize GLImage instances.
+ gfx::SurfaceTextureTracker::InitInstance(g_surface_texture_tracker.Pointer());
g_initialized = true;
}
}
// static
-bool CompositorImpl::IsThreadingEnabled() {
- return g_impl_thread;
+int CompositorImpl::CreateSurfaceTexture(int child_process_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);
+ return g_surface_texture_tracker.Pointer()->AddSurfaceTexture(
+ surface_texture.get(), child_process_id);
}
// static
-jobject CompositorImpl::GetSurface(int surface_id) {
- base::AutoLock lock(g_surface_map_lock.Get());
- SurfaceMap* surfaces = g_surface_map.Pointer();
- SurfaceMap::iterator it = surfaces->find(surface_id);
- jobject jsurface = it == surfaces->end() ? NULL : it->second.obj();
-
- LOG_IF(WARNING, !jsurface) << "No surface for surface id " << surface_id;
- return jsurface;
+void CompositorImpl::DestroyAllSurfaceTextures(int child_process_id) {
+ g_surface_texture_tracker.Pointer()->RemoveAllSurfaceTextures(
+ child_process_id);
}
-CompositorImpl::CompositorImpl(CompositorClient* client)
+CompositorImpl::CompositorImpl(CompositorClient* client,
+ gfx::NativeWindow root_window)
: root_layer_(cc::Layer::Create()),
has_transparent_background_(false),
+ device_scale_factor_(1),
window_(NULL),
surface_id_(0),
client_(client),
+ root_window_(root_window),
+ did_post_swapbuffers_(false),
+ ignore_schedule_composite_(false),
+ needs_composite_(false),
+ needs_animate_(false),
+ will_composite_immediately_(false),
+ composite_on_vsync_trigger_(DO_NOT_COMPOSITE),
+ pending_swapbuffers_(0U),
weak_factory_(this) {
DCHECK(client);
+ DCHECK(root_window);
ImageTransportFactoryAndroid::AddObserver(this);
+ root_window->AttachCompositor(this);
}
CompositorImpl::~CompositorImpl() {
+ root_window_->DetachCompositor();
ImageTransportFactoryAndroid::RemoveObserver(this);
// Clean-up any surface references.
SetSurface(NULL);
}
-void CompositorImpl::Composite() {
- if (host_)
- host_->Composite(gfx::FrameTime::Now());
+void CompositorImpl::PostComposite(CompositingTrigger trigger) {
+ DCHECK(needs_composite_);
+ DCHECK(trigger == COMPOSITE_IMMEDIATELY || trigger == COMPOSITE_EVENTUALLY);
+
+ if (will_composite_immediately_ ||
+ (trigger == COMPOSITE_EVENTUALLY && WillComposite())) {
+ // We will already composite soon enough.
+ DCHECK(WillComposite());
+ return;
+ }
+
+ if (DidCompositeThisFrame()) {
+ DCHECK(!WillCompositeThisFrame());
+ if (composite_on_vsync_trigger_ != COMPOSITE_IMMEDIATELY) {
+ composite_on_vsync_trigger_ = trigger;
+ root_window_->RequestVSyncUpdate();
+ }
+ DCHECK(WillComposite());
+ return;
+ }
+
+ base::TimeDelta delay;
+ if (trigger == COMPOSITE_IMMEDIATELY) {
+ will_composite_immediately_ = true;
+ composite_on_vsync_trigger_ = DO_NOT_COMPOSITE;
+ } else {
+ DCHECK(!WillComposite());
+ const base::TimeDelta estimated_composite_time = vsync_period_ / 4;
+ const base::TimeTicks now = base::TimeTicks::Now();
+
+ if (!last_vsync_.is_null() && (now - last_vsync_) < vsync_period_) {
+ base::TimeTicks next_composite =
+ last_vsync_ + vsync_period_ - estimated_composite_time;
+ if (next_composite < now) {
+ // It's too late, we will reschedule composite as needed on the next
+ // vsync.
+ composite_on_vsync_trigger_ = COMPOSITE_EVENTUALLY;
+ root_window_->RequestVSyncUpdate();
+ DCHECK(WillComposite());
+ return;
+ }
+
+ delay = next_composite - now;
+ }
+ }
+ TRACE_EVENT2("cc", "CompositorImpl::PostComposite",
+ "trigger", trigger,
+ "delay", delay.InMillisecondsF());
+
+ DCHECK(composite_on_vsync_trigger_ == DO_NOT_COMPOSITE);
+ if (current_composite_task_)
+ current_composite_task_->Cancel();
+
+ // Unretained because we cancel the task on shutdown.
+ current_composite_task_.reset(new base::CancelableClosure(
+ base::Bind(&CompositorImpl::Composite, base::Unretained(this), trigger)));
+ base::MessageLoop::current()->PostDelayedTask(
+ FROM_HERE, current_composite_task_->callback(), delay);
+}
+
+void CompositorImpl::Composite(CompositingTrigger trigger) {
+ BrowserGpuChannelHostFactory* factory =
+ BrowserGpuChannelHostFactory::instance();
+ if (!factory->GetGpuChannel() || factory->GetGpuChannel()->IsLost()) {
+ CauseForGpuLaunch cause =
+ CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE;
+ factory->EstablishGpuChannel(cause,
+ base::Bind(&CompositorImpl::ScheduleComposite,
+ weak_factory_.GetWeakPtr()));
+ return;
+ }
+
+ DCHECK(host_);
+ DCHECK(trigger == COMPOSITE_IMMEDIATELY || trigger == COMPOSITE_EVENTUALLY);
+ DCHECK(needs_composite_);
+ DCHECK(!DidCompositeThisFrame());
+
+ if (trigger == COMPOSITE_IMMEDIATELY)
+ will_composite_immediately_ = false;
+
+ DCHECK_LE(pending_swapbuffers_, kMaxSwapBuffers);
+ if (pending_swapbuffers_ == kMaxSwapBuffers) {
+ TRACE_EVENT0("compositor", "CompositorImpl_SwapLimit");
+ return;
+ }
+
+ // Reset state before Layout+Composite since that might create more
+ // requests to Composite that we need to respect.
+ needs_composite_ = false;
+
+ // Only allow compositing once per vsync.
+ current_composite_task_->Cancel();
+ DCHECK(DidCompositeThisFrame() && !WillComposite());
+
+ // Ignore ScheduleComposite() from layer tree changes during layout and
+ // animation updates that will already be reflected in the current frame
+ // we are about to draw.
+ ignore_schedule_composite_ = true;
+
+ const base::TimeTicks frame_time = gfx::FrameTime::Now();
+ if (needs_animate_) {
+ needs_animate_ = false;
+ root_window_->Animate(frame_time);
+ }
+ ignore_schedule_composite_ = false;
+
+ did_post_swapbuffers_ = false;
+ host_->Composite(frame_time);
+ if (did_post_swapbuffers_)
+ pending_swapbuffers_++;
+
+ // Need to track vsync to avoid compositing more than once per frame.
+ root_window_->RequestVSyncUpdate();
+}
+
+UIResourceProvider& CompositorImpl::GetUIResourceProvider() {
+ return ui_resource_provider_;
+}
+
+ui::SystemUIResourceManager& CompositorImpl::GetSystemUIResourceManager() {
+ return ui_resource_provider_.GetSystemUIResourceManager();
}
void CompositorImpl::SetRootLayer(scoped_refptr<cc::Layer> root_layer) {
- root_layer_->RemoveAllChildren();
- root_layer_->AddChild(root_layer);
+ if (subroot_layer_) {
+ subroot_layer_->RemoveFromParent();
+ subroot_layer_ = NULL;
+ }
+ if (root_layer) {
+ subroot_layer_ = root_layer;
+ root_layer_->AddChild(root_layer);
+ }
}
void CompositorImpl::SetWindowSurface(ANativeWindow* window) {
base::android::ScopedJavaLocalRef<jobject> j_surface(env, surface);
// First, cleanup any existing surface references.
- if (surface_id_) {
- DCHECK(g_surface_map.Get().find(surface_id_) !=
- g_surface_map.Get().end());
- base::AutoLock lock(g_surface_map_lock.Get());
- g_surface_map.Get().erase(surface_id_);
- }
+ if (surface_id_)
+ content::UnregisterViewSurface(surface_id_);
SetWindowSurface(NULL);
// Now, set the new surface if we have one.
ANativeWindow* window = NULL;
- if (surface)
+ if (surface) {
+ // Note: This ensures that any local references used by
+ // ANativeWindow_fromSurface are released immediately. This is needed as a
+ // workaround for https://code.google.com/p/android/issues/detail?id=68174
+ base::android::ScopedJavaLocalFrame scoped_local_reference_frame(env);
window = ANativeWindow_fromSurface(env, surface);
+ }
if (window) {
SetWindowSurface(window);
ANativeWindow_release(window);
- {
- base::AutoLock lock(g_surface_map_lock.Get());
- g_surface_map.Get().insert(std::make_pair(surface_id_, j_surface));
- }
+ content::RegisterViewSurface(surface_id_, j_surface.obj());
}
}
void CompositorImpl::SetVisible(bool visible) {
if (!visible) {
- ui_resource_map_.clear();
+ DCHECK(host_);
+ // Look for any layers that were attached to the root for readback
+ // and are waiting for Composite() to happen.
+ bool readback_pending = false;
+ for (size_t i = 0; i < root_layer_->children().size(); ++i) {
+ if (root_layer_->children()[i]->HasCopyRequest()) {
+ readback_pending = true;
+ break;
+ }
+ }
+ if (readback_pending) {
+ ignore_schedule_composite_ = true;
+ host_->Composite(base::TimeTicks::Now());
+ ignore_schedule_composite_ = false;
+ }
+ if (WillComposite())
+ CancelComposite();
+ ui_resource_provider_.SetLayerTreeHost(NULL);
host_.reset();
- client_->UIResourcesAreInvalid();
} else if (!host_) {
+ DCHECK(!WillComposite());
+ needs_composite_ = false;
+ pending_swapbuffers_ = 0;
cc::LayerTreeSettings settings;
settings.refresh_rate = 60.0;
settings.impl_side_painting = false;
settings.allow_antialiasing = false;
settings.calculate_top_controls_position = false;
settings.top_controls_height = 0.f;
- settings.use_memory_management = false;
settings.highp_threshold_min = 2048;
- scoped_refptr<base::SingleThreadTaskRunner> impl_thread_task_runner =
- g_impl_thread ? g_impl_thread->message_loop()->message_loop_proxy()
- : NULL;
-
- host_ = cc::LayerTreeHost::Create(
- this, NULL, settings, impl_thread_task_runner);
+ base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
+ settings.initial_debug_state.SetRecordRenderingStats(
+ command_line->HasSwitch(cc::switches::kEnableGpuBenchmarking));
+ settings.initial_debug_state.show_fps_counter =
+ command_line->HasSwitch(cc::switches::kUIShowFPSCounter);
+ // TODO(enne): Update this this compositor to use the scheduler.
+ settings.single_thread_proxy_scheduler = false;
+
+ host_ = cc::LayerTreeHost::CreateSingleThreaded(
+ this,
+ this,
+ HostSharedBitmapManager::current(),
+ settings,
+ base::MessageLoopProxy::current());
host_->SetRootLayer(root_layer_);
host_->SetVisible(true);
host_->SetLayerTreeHostClientReady();
host_->SetViewportSize(size_);
host_->set_has_transparent_background(has_transparent_background_);
- // Need to recreate the UI resources because a new LayerTreeHost has been
- // created.
- client_->DidLoseUIResources();
+ host_->SetDeviceScaleFactor(device_scale_factor_);
+ ui_resource_provider_.SetLayerTreeHost(host_.get());
}
}
void CompositorImpl::setDeviceScaleFactor(float factor) {
+ device_scale_factor_ = factor;
if (host_)
host_->SetDeviceScaleFactor(factor);
}
root_layer_->SetBounds(size);
}
-bool CompositorImpl::CompositeAndReadback(void *pixels, const gfx::Rect& rect) {
+void CompositorImpl::SetHasTransparentBackground(bool flag) {
+ has_transparent_background_ = flag;
if (host_)
- return host_->CompositeAndReadback(pixels, rect);
- else
- return false;
+ host_->set_has_transparent_background(flag);
}
-cc::UIResourceId CompositorImpl::GenerateUIResource(
- const cc::UIResourceBitmap& bitmap) {
- if (!host_)
- return 0;
- scoped_ptr<cc::ScopedUIResource> ui_resource =
- cc::ScopedUIResource::Create(host_.get(), bitmap);
- cc::UIResourceId id = ui_resource->id();
- ui_resource_map_.set(id, ui_resource.Pass());
- return id;
-}
-
-void CompositorImpl::DeleteUIResource(cc::UIResourceId resource_id) {
- UIResourceMap::iterator it = ui_resource_map_.find(resource_id);
- if (it != ui_resource_map_.end())
- ui_resource_map_.erase(it);
-}
-
-WebKit::WebGLId CompositorImpl::GenerateTexture(gfx::JavaBitmap& bitmap) {
- unsigned int texture_id = BuildBasicTexture();
- WebKit::WebGraphicsContext3D* context =
- ImageTransportFactoryAndroid::GetInstance()->GetContext3D();
- if (texture_id == 0 || context->isContextLost() ||
- !context->makeContextCurrent())
- return 0;
- WebKit::WebGLId format = GetGLFormatForBitmap(bitmap);
- WebKit::WebGLId type = GetGLTypeForBitmap(bitmap);
-
- context->texImage2D(GL_TEXTURE_2D,
- 0,
- format,
- bitmap.size().width(),
- bitmap.size().height(),
- 0,
- format,
- type,
- bitmap.pixels());
- context->shallowFlushCHROMIUM();
- return texture_id;
-}
-
-WebKit::WebGLId CompositorImpl::GenerateCompressedTexture(gfx::Size& size,
- int data_size,
- void* data) {
- unsigned int texture_id = BuildBasicTexture();
- WebKit::WebGraphicsContext3D* context =
- ImageTransportFactoryAndroid::GetInstance()->GetContext3D();
- if (texture_id == 0 || context->isContextLost() ||
- !context->makeContextCurrent())
- return 0;
- context->compressedTexImage2D(GL_TEXTURE_2D,
- 0,
- GL_ETC1_RGB8_OES,
- size.width(),
- size.height(),
- 0,
- data_size,
- data);
- context->shallowFlushCHROMIUM();
- return texture_id;
-}
-
-void CompositorImpl::DeleteTexture(WebKit::WebGLId texture_id) {
- WebKit::WebGraphicsContext3D* context =
- ImageTransportFactoryAndroid::GetInstance()->GetContext3D();
- if (context->isContextLost() || !context->makeContextCurrent())
+void CompositorImpl::SetNeedsComposite() {
+ if (!host_.get())
return;
- context->deleteTexture(texture_id);
- context->shallowFlushCHROMIUM();
-}
-
-bool CompositorImpl::CopyTextureToBitmap(WebKit::WebGLId texture_id,
- gfx::JavaBitmap& bitmap) {
- return CopyTextureToBitmap(texture_id, gfx::Rect(bitmap.size()), bitmap);
-}
-
-bool CompositorImpl::CopyTextureToBitmap(WebKit::WebGLId texture_id,
- const gfx::Rect& sub_rect,
- gfx::JavaBitmap& bitmap) {
- // The sub_rect should match the bitmap size.
- DCHECK(bitmap.size() == sub_rect.size());
- if (bitmap.size() != sub_rect.size() || texture_id == 0) return false;
+ DCHECK(!needs_composite_ || WillComposite());
- GLHelper* helper = ImageTransportFactoryAndroid::GetInstance()->GetGLHelper();
- helper->ReadbackTextureSync(texture_id,
- sub_rect,
- static_cast<unsigned char*> (bitmap.pixels()));
- return true;
+ needs_composite_ = true;
+ PostComposite(COMPOSITE_IMMEDIATELY);
}
static scoped_ptr<WebGraphicsContext3DCommandBufferImpl>
CreateGpuProcessViewContext(
- const WebKit::WebGraphicsContext3D::Attributes attributes,
- int surface_id,
- base::WeakPtr<CompositorImpl> compositor_impl) {
- BrowserGpuChannelHostFactory* factory =
- BrowserGpuChannelHostFactory::instance();
- scoped_refptr<GpuChannelHost> gpu_channel_host(factory->EstablishGpuChannelSync(
- CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE));
- if (!gpu_channel_host)
- return scoped_ptr<WebGraphicsContext3DCommandBufferImpl>();
+ const scoped_refptr<GpuChannelHost>& gpu_channel_host,
+ const blink::WebGraphicsContext3D::Attributes attributes,
+ int surface_id) {
+ DCHECK(gpu_channel_host);
GURL url("chrome://gpu/Compositor::createContext3D");
static const size_t kBytesPerPixel = 4;
limits.max_transfer_buffer_size = std::min(
3 * full_screen_texture_size_in_bytes, kDefaultMaxTransferBufferSize);
limits.mapped_memory_reclaim_limit = 2 * 1024 * 1024;
+ bool lose_context_when_out_of_memory = true;
return make_scoped_ptr(
new WebGraphicsContext3DCommandBufferImpl(surface_id,
url,
gpu_channel_host.get(),
- compositor_impl,
attributes,
- false,
+ lose_context_when_out_of_memory,
limits,
- true));
+ NULL));
+}
+
+void CompositorImpl::Layout() {
+ ignore_schedule_composite_ = true;
+ client_->Layout();
+ ignore_schedule_composite_ = false;
}
-scoped_ptr<cc::OutputSurface> CompositorImpl::CreateOutputSurface(
- bool fallback) {
- WebKit::WebGraphicsContext3D::Attributes attrs;
+void CompositorImpl::RequestNewOutputSurface(bool fallback) {
+ BrowserGpuChannelHostFactory* factory =
+ BrowserGpuChannelHostFactory::instance();
+ if (!factory->GetGpuChannel() || factory->GetGpuChannel()->IsLost()) {
+ CauseForGpuLaunch cause =
+ CAUSE_FOR_GPU_LAUNCH_WEBGRAPHICSCONTEXT3DCOMMANDBUFFERIMPL_INITIALIZE;
+ factory->EstablishGpuChannel(
+ cause,
+ base::Bind(&CompositorImpl::CreateOutputSurface,
+ weak_factory_.GetWeakPtr(),
+ fallback));
+ return;
+ }
+
+ CreateOutputSurface(fallback);
+}
+
+void CompositorImpl::CreateOutputSurface(bool fallback) {
+ blink::WebGraphicsContext3D::Attributes attrs;
attrs.shareResources = true;
attrs.noAutomaticFlushes = true;
+ pending_swapbuffers_ = 0;
DCHECK(window_);
DCHECK(surface_id_);
- scoped_refptr<ContextProviderCommandBuffer> context_provider =
- ContextProviderCommandBuffer::Create(CreateGpuProcessViewContext(
- attrs, surface_id_, weak_factory_.GetWeakPtr()), "BrowserCompositor");
+ scoped_refptr<ContextProviderCommandBuffer> context_provider;
+ BrowserGpuChannelHostFactory* factory =
+ BrowserGpuChannelHostFactory::instance();
+ scoped_refptr<GpuChannelHost> gpu_channel_host = factory->GetGpuChannel();
+ if (gpu_channel_host && !gpu_channel_host->IsLost()) {
+ context_provider = ContextProviderCommandBuffer::Create(
+ CreateGpuProcessViewContext(gpu_channel_host, attrs, surface_id_),
+ "BrowserCompositor");
+ }
if (!context_provider.get()) {
LOG(ERROR) << "Failed to create 3D context for compositor.";
- return scoped_ptr<cc::OutputSurface>();
+ host_->SetOutputSurface(scoped_ptr<cc::OutputSurface>());
+ return;
}
- return scoped_ptr<cc::OutputSurface>(
- new OutputSurfaceWithoutParent(context_provider));
+ host_->SetOutputSurface(
+ scoped_ptr<cc::OutputSurface>(new OutputSurfaceWithoutParent(
+ context_provider, weak_factory_.GetWeakPtr())));
+}
+
+void CompositorImpl::PopulateGpuCapabilities(
+ gpu::Capabilities gpu_capabilities) {
+ ui_resource_provider_.SetSupportsETC1NonPowerOfTwo(
+ gpu_capabilities.texture_format_etc1_npot);
}
void CompositorImpl::OnLostResources() {
client_->DidLoseResources();
}
+void CompositorImpl::ScheduleComposite() {
+ DCHECK(!needs_composite_ || WillComposite());
+ if (ignore_schedule_composite_)
+ return;
+
+ needs_composite_ = true;
+ // We currently expect layer tree invalidations at most once per frame
+ // during normal operation and therefore try to composite immediately
+ // to minimize latency.
+ PostComposite(COMPOSITE_IMMEDIATELY);
+}
+
+void CompositorImpl::ScheduleAnimation() {
+ DCHECK(!needs_composite_ || WillComposite());
+ needs_animate_ = true;
+
+ if (needs_composite_)
+ return;
+
+ TRACE_EVENT0("cc", "CompositorImpl::ScheduleAnimation");
+ needs_composite_ = true;
+ PostComposite(COMPOSITE_EVENTUALLY);
+}
+
+void CompositorImpl::DidPostSwapBuffers() {
+ TRACE_EVENT0("compositor", "CompositorImpl::DidPostSwapBuffers");
+ did_post_swapbuffers_ = true;
+}
+
void CompositorImpl::DidCompleteSwapBuffers() {
- client_->OnSwapBuffersCompleted();
+ TRACE_EVENT0("compositor", "CompositorImpl::DidCompleteSwapBuffers");
+ DCHECK_GT(pending_swapbuffers_, 0U);
+ if (pending_swapbuffers_-- == kMaxSwapBuffers && needs_composite_)
+ PostComposite(COMPOSITE_IMMEDIATELY);
+ client_->OnSwapBuffersCompleted(pending_swapbuffers_);
}
-void CompositorImpl::ScheduleComposite() {
- client_->ScheduleComposite();
-}
-
-scoped_refptr<cc::ContextProvider> CompositorImpl::OffscreenContextProvider() {
- // There is no support for offscreen contexts, or compositor filters that
- // would require them in this compositor instance. If they are needed,
- // then implement a context provider that provides contexts from
- // ImageTransportSurfaceAndroid.
- return NULL;
-}
-
-void CompositorImpl::OnViewContextSwapBuffersPosted() {
- TRACE_EVENT0("compositor", "CompositorImpl::OnViewContextSwapBuffersPosted");
- client_->OnSwapBuffersPosted();
-}
-
-void CompositorImpl::OnViewContextSwapBuffersComplete() {
- TRACE_EVENT0("compositor",
- "CompositorImpl::OnViewContextSwapBuffersComplete");
- client_->OnSwapBuffersCompleted();
-}
-
-void CompositorImpl::OnViewContextSwapBuffersAborted() {
- TRACE_EVENT0("compositor", "CompositorImpl::OnViewContextSwapBuffersAborted");
- client_->OnSwapBuffersCompleted();
-}
-
-WebKit::WebGLId CompositorImpl::BuildBasicTexture() {
- WebKit::WebGraphicsContext3D* context =
- ImageTransportFactoryAndroid::GetInstance()->GetContext3D();
- if (context->isContextLost() || !context->makeContextCurrent())
- return 0;
- WebKit::WebGLId texture_id = context->createTexture();
- context->bindTexture(GL_TEXTURE_2D, texture_id);
- context->texParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- context->texParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- context->texParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- context->texParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
- return texture_id;
-}
-
-WebKit::WGC3Denum CompositorImpl::GetGLFormatForBitmap(
- gfx::JavaBitmap& bitmap) {
- switch (bitmap.format()) {
- case ANDROID_BITMAP_FORMAT_A_8:
- return GL_ALPHA;
- break;
- case ANDROID_BITMAP_FORMAT_RGBA_4444:
- return GL_RGBA;
- break;
- case ANDROID_BITMAP_FORMAT_RGBA_8888:
- return GL_RGBA;
- break;
- case ANDROID_BITMAP_FORMAT_RGB_565:
- default:
- return GL_RGB;
- }
+void CompositorImpl::DidAbortSwapBuffers() {
+ TRACE_EVENT0("compositor", "CompositorImpl::DidAbortSwapBuffers");
+ // This really gets called only once from
+ // SingleThreadProxy::DidLoseOutputSurfaceOnImplThread() when the
+ // context was lost.
+ ScheduleComposite();
+ client_->OnSwapBuffersCompleted(0);
+}
+
+void CompositorImpl::DidCommit() {
+ root_window_->OnCompositingDidCommit();
+}
+
+void CompositorImpl::AttachLayerForReadback(scoped_refptr<cc::Layer> layer) {
+ root_layer_->AddChild(layer);
+}
+
+void CompositorImpl::RequestCopyOfOutputOnRootLayer(
+ scoped_ptr<cc::CopyOutputRequest> request) {
+ root_layer_->RequestCopyOfOutput(request.Pass());
}
-WebKit::WGC3Denum CompositorImpl::GetGLTypeForBitmap(gfx::JavaBitmap& bitmap) {
- switch (bitmap.format()) {
- case ANDROID_BITMAP_FORMAT_A_8:
- return GL_UNSIGNED_BYTE;
- break;
- case ANDROID_BITMAP_FORMAT_RGBA_4444:
- return GL_UNSIGNED_SHORT_4_4_4_4;
- break;
- case ANDROID_BITMAP_FORMAT_RGBA_8888:
- return GL_UNSIGNED_BYTE;
- break;
- case ANDROID_BITMAP_FORMAT_RGB_565:
- default:
- return GL_UNSIGNED_SHORT_5_6_5;
+void CompositorImpl::OnVSync(base::TimeTicks frame_time,
+ base::TimeDelta vsync_period) {
+ vsync_period_ = vsync_period;
+ last_vsync_ = frame_time;
+
+ if (WillCompositeThisFrame()) {
+ // We somehow missed the last vsync interval, so reschedule for deadline.
+ // We cannot schedule immediately, or will get us out-of-phase with new
+ // renderer frames.
+ CancelComposite();
+ composite_on_vsync_trigger_ = COMPOSITE_EVENTUALLY;
+ } else {
+ current_composite_task_.reset();
}
+
+ DCHECK(!DidCompositeThisFrame() && !WillCompositeThisFrame());
+ if (composite_on_vsync_trigger_ != DO_NOT_COMPOSITE) {
+ CompositingTrigger trigger = composite_on_vsync_trigger_;
+ composite_on_vsync_trigger_ = DO_NOT_COMPOSITE;
+ PostComposite(trigger);
+ }
+}
+
+void CompositorImpl::SetNeedsAnimate() {
+ if (!host_)
+ return;
+
+ host_->SetNeedsAnimate();
}
-} // namespace content
+} // namespace content