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/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef nsScreenManagerGonk_h___
#define nsScreenManagerGonk_h___
#include "cutils/properties.h"
#include "hardware/hwcomposer.h"
#include "libdisplay/GonkDisplay.h"
#include "mozilla/Atomics.h"
#include "mozilla/Hal.h"
#include "mozilla/Mutex.h"
#include "nsBaseScreen.h"
#include "nsCOMPtr.h"
#include "nsIScreenManager.h"
#include "nsProxyRelease.h"
#include <android/native_window.h>
class nsWindow;
namespace android {
class DisplaySurface;
class IGraphicBufferProducer;
};
namespace mozilla {
class Runnable;
namespace gl {
class GLContext;
}
namespace layers {
class CompositorVsyncScheduler;
class CompositorBridgeParent;
}
}
enum class NotifyDisplayChangedEvent : int8_t {
Observable,
Suppressed
};
class nsScreenGonk : public nsBaseScreen
{
typedef mozilla::hal::ScreenConfiguration ScreenConfiguration;
typedef mozilla::GonkDisplay GonkDisplay;
typedef mozilla::LayoutDeviceIntRect LayoutDeviceIntRect;
typedef mozilla::layers::CompositorBridgeParent CompositorBridgeParent;
typedef mozilla::gfx::DrawTarget DrawTarget;
public:
nsScreenGonk(uint32_t aId,
GonkDisplay::DisplayType aDisplayType,
const GonkDisplay::NativeData& aNativeData,
NotifyDisplayChangedEvent aEventVisibility);
~nsScreenGonk();
NS_IMETHOD GetId(uint32_t* aId);
NS_IMETHOD GetRect(int32_t* aLeft, int32_t* aTop, int32_t* aWidth, int32_t* aHeight);
NS_IMETHOD GetAvailRect(int32_t* aLeft, int32_t* aTop, int32_t* aWidth, int32_t* aHeight);
NS_IMETHOD GetPixelDepth(int32_t* aPixelDepth);
NS_IMETHOD GetColorDepth(int32_t* aColorDepth);
NS_IMETHOD GetRotation(uint32_t* aRotation);
NS_IMETHOD SetRotation(uint32_t aRotation);
uint32_t GetId();
NotifyDisplayChangedEvent GetEventVisibility();
LayoutDeviceIntRect GetRect();
float GetDpi();
int32_t GetSurfaceFormat();
ANativeWindow* GetNativeWindow();
LayoutDeviceIntRect GetNaturalBounds();
uint32_t EffectiveScreenRotation();
ScreenConfiguration GetConfiguration();
bool IsPrimaryScreen();
already_AddRefed<DrawTarget> StartRemoteDrawing();
void EndRemoteDrawing();
nsresult MakeSnapshot(ANativeWindowBuffer* aBuffer);
void SetCompositorBridgeParent(CompositorBridgeParent* aCompositorBridgeParent);
#if ANDROID_VERSION >= 17
android::DisplaySurface* GetDisplaySurface();
int GetPrevDispAcquireFd();
#endif
GonkDisplay::DisplayType GetDisplayType();
void RegisterWindow(nsWindow* aWindow);
void UnregisterWindow(nsWindow* aWindow);
void BringToTop(nsWindow* aWindow);
const nsTArray<nsWindow*>& GetTopWindows() const
{
return mTopWindows;
}
// Non-primary screen only
bool EnableMirroring();
bool DisableMirroring();
bool IsMirroring()
{
return mIsMirroring;
}
// Primary screen only
bool SetMirroringScreen(nsScreenGonk* aScreen);
bool ClearMirroringScreen(nsScreenGonk* aScreen);
// Called only on compositor thread
void SetEGLInfo(hwc_display_t aDisplay, hwc_surface_t aSurface,
mozilla::gl::GLContext* aGLContext);
hwc_display_t GetEGLDisplay();
hwc_surface_t GetEGLSurface();
already_AddRefed<mozilla::gl::GLContext> GetGLContext();
void UpdateMirroringWidget(already_AddRefed<nsWindow>& aWindow); // Primary screen only
nsWindow* GetMirroringWidget(); // Primary screen only
protected:
ANativeWindowBuffer* DequeueBuffer();
bool QueueBuffer(ANativeWindowBuffer* buf);
uint32_t mId;
NotifyDisplayChangedEvent mEventVisibility;
int32_t mColorDepth;
android::sp<ANativeWindow> mNativeWindow;
float mDpi;
int32_t mSurfaceFormat;
LayoutDeviceIntRect mNaturalBounds; // Screen bounds w/o rotation taken into account.
LayoutDeviceIntRect mVirtualBounds; // Screen bounds w/ rotation taken into account.
uint32_t mScreenRotation;
uint32_t mPhysicalScreenRotation;
nsTArray<nsWindow*> mTopWindows;
#if ANDROID_VERSION >= 17
android::sp<android::DisplaySurface> mDisplaySurface;
#endif
bool mIsMirroring; // Non-primary screen only
RefPtr<nsScreenGonk> mMirroringScreen; // Primary screen only
mozilla::Atomic<CompositorBridgeParent*> mCompositorBridgeParent;
// Accessed and updated only on compositor thread
GonkDisplay::DisplayType mDisplayType;
hwc_display_t mEGLDisplay;
hwc_surface_t mEGLSurface;
RefPtr<mozilla::gl::GLContext> mGLContext;
RefPtr<nsWindow> mMirroringWidget; // Primary screen only
// If we're using a BasicCompositor, these fields are temporarily
// set during frame composition. They wrap the hardware
// framebuffer.
RefPtr<DrawTarget> mFramebufferTarget;
ANativeWindowBuffer* mFramebuffer;
/**
* Points to a mapped gralloc buffer between calls to lock and unlock.
* Should be null outside of the lock-unlock pair.
*/
uint8_t* mMappedBuffer;
// If we're using a BasicCompositor, this is our window back
// buffer. The gralloc framebuffer driver expects us to draw the
// entire framebuffer on every frame, but gecko expects the
// windowing system to be tracking buffer updates for invalidated
// regions. We get stuck holding that bag.
//
// Only accessed on the compositor thread, except during
// destruction.
RefPtr<DrawTarget> mBackBuffer;
};
class nsScreenManagerGonk final : public nsIScreenManager
{
public:
typedef mozilla::GonkDisplay GonkDisplay;
public:
nsScreenManagerGonk();
NS_DECL_ISUPPORTS
NS_DECL_NSISCREENMANAGER
static already_AddRefed<nsScreenManagerGonk> GetInstance();
static already_AddRefed<nsScreenGonk> GetPrimaryScreen();
void Initialize();
void DisplayEnabled(bool aEnabled);
nsresult AddScreen(GonkDisplay::DisplayType aDisplayType,
android::IGraphicBufferProducer* aSink = nullptr,
NotifyDisplayChangedEvent aEventVisibility = NotifyDisplayChangedEvent::Observable);
nsresult RemoveScreen(GonkDisplay::DisplayType aDisplayType);
#if ANDROID_VERSION >= 19
void SetCompositorVsyncScheduler(mozilla::layers::CompositorVsyncScheduler* aObserver);
#endif
protected:
~nsScreenManagerGonk();
void VsyncControl(bool aEnabled);
uint32_t GetIdFromType(GonkDisplay::DisplayType aDisplayType);
bool IsScreenConnected(uint32_t aId);
bool mInitialized;
nsTArray<RefPtr<nsScreenGonk>> mScreens;
RefPtr<mozilla::Runnable> mScreenOnEvent;
RefPtr<mozilla::Runnable> mScreenOffEvent;
#if ANDROID_VERSION >= 19
bool mDisplayEnabled;
RefPtr<mozilla::layers::CompositorVsyncScheduler> mCompositorVsyncScheduler;
#endif
};
#endif /* nsScreenManagerGonk_h___ */
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