mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
// * This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef MOZILLA_GFX_GRALLOCTEXTURECLIENT_H
|
|
#define MOZILLA_GFX_GRALLOCTEXTURECLIENT_H
|
|
#ifdef MOZ_WIDGET_GONK
|
|
|
|
#include "mozilla/layers/TextureClient.h"
|
|
#include "ISurfaceAllocator.h" // For IsSurfaceDescriptorValid
|
|
#include "mozilla/layers/FenceUtils.h" // for FenceHandle
|
|
#include "mozilla/layers/ShadowLayerUtilsGralloc.h"
|
|
#include <ui/GraphicBuffer.h>
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class GraphicBufferLocked;
|
|
|
|
/**
|
|
* A TextureClient implementation based on android::GraphicBuffer (also referred to
|
|
* as "gralloc").
|
|
*
|
|
* Gralloc lets us map texture data in memory (accessible through pointers)
|
|
* and also use it directly as an OpenGL texture without the cost of texture
|
|
* uploads.
|
|
* Gralloc buffers can also be shared accros processes.
|
|
*
|
|
* More info about Gralloc here: https://wiki.mozilla.org/Platform/GFX/Gralloc
|
|
*
|
|
* This is only used in Firefox OS
|
|
*/
|
|
class GrallocTextureClientOGL : public BufferTextureClient
|
|
{
|
|
public:
|
|
GrallocTextureClientOGL(GrallocBufferActor* aActor,
|
|
gfx::IntSize aSize,
|
|
TextureFlags aFlags = TEXTURE_FLAGS_DEFAULT);
|
|
GrallocTextureClientOGL(CompositableClient* aCompositable,
|
|
gfx::SurfaceFormat aFormat,
|
|
TextureFlags aFlags = TEXTURE_FLAGS_DEFAULT);
|
|
GrallocTextureClientOGL(ISurfaceAllocator* aAllocator,
|
|
gfx::SurfaceFormat aFormat,
|
|
TextureFlags aFlags = TEXTURE_FLAGS_DEFAULT);
|
|
|
|
~GrallocTextureClientOGL();
|
|
|
|
virtual bool Lock(OpenMode aMode) MOZ_OVERRIDE;
|
|
|
|
virtual void Unlock() MOZ_OVERRIDE;
|
|
|
|
virtual bool ImplementsLocking() const MOZ_OVERRIDE { return true; }
|
|
|
|
virtual bool IsAllocated() const MOZ_OVERRIDE;
|
|
|
|
virtual bool ToSurfaceDescriptor(SurfaceDescriptor& aOutDescriptor) MOZ_OVERRIDE;
|
|
|
|
virtual bool UpdateSurface(gfxASurface* aSurface) MOZ_OVERRIDE;
|
|
|
|
virtual TextureClientData* DropTextureData() MOZ_OVERRIDE;
|
|
|
|
virtual void SetReleaseFenceHandle(FenceHandle aReleaseFenceHandle) MOZ_OVERRIDE;
|
|
|
|
const FenceHandle& GetReleaseFenceHandle() const
|
|
{
|
|
return mReleaseFenceHandle;
|
|
}
|
|
|
|
void InitWith(GrallocBufferActor* aActor, gfx::IntSize aSize);
|
|
|
|
void SetTextureFlags(TextureFlags aFlags) { AddFlags(aFlags); }
|
|
|
|
gfx::IntSize GetSize() const MOZ_OVERRIDE { return mSize; }
|
|
|
|
android::GraphicBuffer* GetGraphicBuffer()
|
|
{
|
|
return mGraphicBuffer.get();
|
|
}
|
|
|
|
android::PixelFormat GetPixelFormat()
|
|
{
|
|
return mGraphicBuffer->getPixelFormat();
|
|
}
|
|
|
|
virtual uint8_t* GetBuffer() const MOZ_OVERRIDE;
|
|
|
|
virtual TemporaryRef<gfx::DrawTarget> GetAsDrawTarget() MOZ_OVERRIDE;
|
|
|
|
virtual already_AddRefed<gfxASurface> GetAsSurface() MOZ_OVERRIDE;
|
|
|
|
virtual bool AllocateForSurface(gfx::IntSize aSize,
|
|
TextureAllocationFlags aFlags = ALLOC_DEFAULT) MOZ_OVERRIDE;
|
|
|
|
virtual bool AllocateForYCbCr(gfx::IntSize aYSize,
|
|
gfx::IntSize aCbCrSize,
|
|
StereoMode aStereoMode) MOZ_OVERRIDE;
|
|
|
|
bool AllocateForGLRendering(gfx::IntSize aSize);
|
|
|
|
bool AllocateGralloc(gfx::IntSize aYSize, uint32_t aAndroidFormat, uint32_t aUsage);
|
|
|
|
virtual bool Allocate(uint32_t aSize) MOZ_OVERRIDE;
|
|
|
|
virtual size_t GetBufferSize() const MOZ_OVERRIDE;
|
|
|
|
void SetGraphicBufferLocked(GraphicBufferLocked* aBufferLocked);
|
|
|
|
protected:
|
|
ISurfaceAllocator* GetAllocator();
|
|
|
|
/**
|
|
* Unfortunately, until bug 879681 is fixed we need to use a GrallocBufferActor.
|
|
*/
|
|
GrallocBufferActor* mGrallocActor;
|
|
|
|
RefPtr<GraphicBufferLocked> mBufferLocked;
|
|
|
|
android::sp<android::GraphicBuffer> mGraphicBuffer;
|
|
|
|
RefPtr<ISurfaceAllocator> mAllocator;
|
|
|
|
/**
|
|
* Points to a mapped gralloc buffer between calls to lock and unlock.
|
|
* Should be null outside of the lock-unlock pair.
|
|
*/
|
|
uint8_t* mMappedBuffer;
|
|
|
|
RefPtr<gfx::DrawTarget> mDrawTarget;
|
|
|
|
/**
|
|
* android::GraphicBuffer has a size information. But there are cases
|
|
* that GraphicBuffer's size and actual video's size are different.
|
|
* Extra size member is necessary. See Bug 850566.
|
|
*/
|
|
gfx::IntSize mSize;
|
|
};
|
|
|
|
} // namespace layers
|
|
} // namespace mozilla
|
|
|
|
#endif // MOZ_WIDGET_GONK
|
|
#endif
|