133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
* 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_TEXTUREDIB_H
|
|
#define MOZILLA_GFX_TEXTUREDIB_H
|
|
|
|
#include "mozilla/layers/Compositor.h"
|
|
#include "mozilla/layers/TextureClient.h"
|
|
#include "mozilla/layers/TextureHost.h"
|
|
#include "mozilla/GfxMessageUtils.h"
|
|
#include "gfxWindowsPlatform.h"
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class DIBTextureData : public TextureData
|
|
{
|
|
public:
|
|
virtual bool Lock(OpenMode) override { return true; }
|
|
|
|
virtual void Unlock() override {}
|
|
|
|
virtual void FillInfo(TextureData::Info& aInfo) const override;
|
|
|
|
virtual already_AddRefed<gfx::DrawTarget> BorrowDrawTarget() override;
|
|
|
|
static
|
|
DIBTextureData* Create(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
|
LayersIPCChannel* aAllocator);
|
|
|
|
protected:
|
|
DIBTextureData(gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
|
|
gfxWindowsSurface* aSurface)
|
|
: mSurface(aSurface)
|
|
, mSize(aSize)
|
|
, mFormat(aFormat)
|
|
{
|
|
MOZ_ASSERT(aSurface);
|
|
}
|
|
|
|
RefPtr<gfxWindowsSurface> mSurface;
|
|
gfx::IntSize mSize;
|
|
gfx::SurfaceFormat mFormat;
|
|
};
|
|
|
|
/**
|
|
* This is meant for a texture host which does a direct upload from
|
|
* Updated to a Compositor specific DataTextureSource and therefor doesn't
|
|
* need any specific Lock/Unlock magic.
|
|
*/
|
|
class TextureHostDirectUpload : public TextureHost
|
|
{
|
|
public:
|
|
TextureHostDirectUpload(TextureFlags aFlags,
|
|
gfx::SurfaceFormat aFormat,
|
|
gfx::IntSize aSize)
|
|
: TextureHost(aFlags)
|
|
, mFormat(aFormat)
|
|
, mSize(aSize)
|
|
, mIsLocked(false)
|
|
{ }
|
|
|
|
virtual void DeallocateDeviceData() override;
|
|
|
|
virtual void SetCompositor(Compositor* aCompositor) override;
|
|
|
|
virtual Compositor* GetCompositor() override { return mCompositor; }
|
|
|
|
virtual gfx::SurfaceFormat GetFormat() const override { return mFormat; }
|
|
|
|
virtual gfx::IntSize GetSize() const override { return mSize; }
|
|
|
|
virtual bool Lock() override;
|
|
|
|
virtual void Unlock() override;
|
|
|
|
virtual bool HasIntermediateBuffer() const { return true; }
|
|
|
|
virtual bool BindTextureSource(CompositableTextureSourceRef& aTexture) override;
|
|
|
|
protected:
|
|
RefPtr<DataTextureSource> mTextureSource;
|
|
RefPtr<Compositor> mCompositor;
|
|
gfx::SurfaceFormat mFormat;
|
|
gfx::IntSize mSize;
|
|
bool mIsLocked;
|
|
};
|
|
|
|
class DIBTextureHost : public TextureHostDirectUpload
|
|
{
|
|
public:
|
|
DIBTextureHost(TextureFlags aFlags,
|
|
const SurfaceDescriptorDIB& aDescriptor);
|
|
|
|
virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
|
|
{
|
|
return nullptr; // TODO: cf bug 872568
|
|
}
|
|
|
|
protected:
|
|
virtual void UpdatedInternal(const nsIntRegion* aRegion = nullptr) override;
|
|
|
|
RefPtr<gfxWindowsSurface> mSurface;
|
|
};
|
|
|
|
class TextureHostFileMapping : public TextureHostDirectUpload
|
|
{
|
|
public:
|
|
TextureHostFileMapping(TextureFlags aFlags,
|
|
const SurfaceDescriptorFileMapping& aDescriptor);
|
|
~TextureHostFileMapping();
|
|
|
|
virtual already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override
|
|
{
|
|
MOZ_CRASH("GFX: TextureHostFileMapping::GetAsSurface not implemented");
|
|
// Not implemented! It would be tricky to keep track of the
|
|
// scope of the file mapping. We could do this through UserData
|
|
// on the DataSourceSurface but we don't need this right now.
|
|
}
|
|
|
|
protected:
|
|
virtual void UpdatedInternal(const nsIntRegion* aRegion = nullptr) override;
|
|
|
|
HANDLE mFileMapping;
|
|
};
|
|
|
|
}
|
|
}
|
|
|
|
#endif /* MOZILLA_GFX_TEXTUREDIB_H */
|