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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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_TEXTUREOGL_H
#define MOZILLA_GFX_TEXTUREOGL_H
#include <stddef.h> // for size_t
#include <stdint.h> // for uint64_t
#include "CompositableHost.h"
#include "GLContextTypes.h" // for GLContext
#include "GLDefs.h" // for GLenum, LOCAL_GL_CLAMP_TO_EDGE, etc
#include "GLTextureImage.h" // for TextureImage
#include "gfxTypes.h"
#include "mozilla/GfxMessageUtils.h" // for gfxContentType
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/Attributes.h" // for override
#include "mozilla/RefPtr.h" // for RefPtr
#include "mozilla/gfx/Matrix.h" // for Matrix4x4
#include "mozilla/gfx/Point.h" // for IntSize, IntPoint
#include "mozilla/gfx/Types.h" // for SurfaceFormat, etc
#include "mozilla/layers/CompositorOGL.h" // for CompositorOGL
#include "mozilla/layers/CompositorTypes.h" // for TextureFlags
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
#include "mozilla/layers/TextureHost.h" // for TextureHost, etc
#include "mozilla/mozalloc.h" // for operator delete, etc
#include "mozilla/webrender/RenderThread.h"
#include "nsCOMPtr.h" // for already_AddRefed
#include "nsDebug.h" // for NS_WARNING
#include "nsISupportsImpl.h" // for TextureImage::Release, etc
#include "nsRegionFwd.h" // for nsIntRegion
#ifdef MOZ_WIDGET_ANDROID
# include "AndroidSurfaceTexture.h"
# include "mozilla/java/GeckoSurfaceTextureWrappers.h"
#endif
namespace mozilla {
namespace gfx {
class DataSourceSurface;
} // namespace gfx
namespace layers {
class Compositor;
class CompositorOGL;
class AndroidHardwareBuffer;
class SurfaceDescriptorAndroidHardwareBuffer;
class TextureImageTextureSourceOGL;
class GLTextureSource;
void ApplySamplingFilterToBoundTexture(gl::GLContext* aGL,
gfx::SamplingFilter aSamplingFilter,
GLuint aTarget = LOCAL_GL_TEXTURE_2D);
already_AddRefed<TextureHost> CreateTextureHostOGL(
const SurfaceDescriptor& aDesc, ISurfaceAllocator* aDeallocator,
LayersBackend aBackend, TextureFlags aFlags);
/*
* TextureHost implementations for the OpenGL backend.
*
* Note that it is important to be careful about the ownership model with
* the OpenGL backend, due to some widget limitation on Linux: before
* the nsBaseWidget associated with our OpenGL context has been completely
* deleted, every resource belonging to the OpenGL context MUST have been
* released. At the moment the teardown sequence happens in the middle of
* the nsBaseWidget's destructor, meaning that at a given moment we must be
* able to easily find and release all the GL resources.
* The point is: be careful about the ownership model and limit the number
* of objects sharing references to GL resources to make the tear down
* sequence as simple as possible.
*/
/**
* TextureSourceOGL provides the necessary API for CompositorOGL to composite
* a TextureSource.
*/
class TextureSourceOGL {
public:
TextureSourceOGL()
: mCachedSamplingFilter(gfx::SamplingFilter::GOOD),
mHasCachedSamplingFilter(false) {}
virtual bool IsValid() const = 0;
virtual void BindTexture(GLenum aTextureUnit,
gfx::SamplingFilter aSamplingFilter) = 0;
// To be overridden in textures that need this. This method will be called
// when the compositor has used the texture to draw. This allows us to set
// a fence with glFenceSync which we can wait on later to ensure the GPU
// is done with the draw calls using that texture. We would like to be able
// to simply use glFinishObjectAPPLE, but this returns earlier than
// expected with nvidia drivers.
virtual void MaybeFenceTexture() {}
virtual gfx::IntSize GetSize() const = 0;
virtual GLenum GetTextureTarget() const { return LOCAL_GL_TEXTURE_2D; }
virtual gfx::SurfaceFormat GetFormat() const = 0;
virtual GLenum GetWrapMode() const = 0;
virtual gfx::Matrix4x4 GetTextureTransform() { return gfx::Matrix4x4(); }
virtual TextureImageTextureSourceOGL* AsTextureImageTextureSource() {
return nullptr;
}
virtual GLTextureSource* AsGLTextureSource() { return nullptr; }
void SetSamplingFilter(gl::GLContext* aGL,
gfx::SamplingFilter aSamplingFilter) {
if (mHasCachedSamplingFilter && mCachedSamplingFilter == aSamplingFilter) {
return;
}
mHasCachedSamplingFilter = true;
mCachedSamplingFilter = aSamplingFilter;
ApplySamplingFilterToBoundTexture(aGL, aSamplingFilter, GetTextureTarget());
}
void ClearCachedFilter() { mHasCachedSamplingFilter = false; }
private:
gfx::SamplingFilter mCachedSamplingFilter;
bool mHasCachedSamplingFilter;
};
/**
* A TextureSource backed by a TextureImage.
*
* Depending on the underlying TextureImage, may support texture tiling, so
* make sure to check AsBigImageIterator() and use the texture accordingly.
*
* This TextureSource can be used without a TextureHost and manage it's own
* GL texture(s).
*/
class TextureImageTextureSourceOGL final : public DataTextureSource,
public TextureSourceOGL,
public BigImageIterator {
public:
explicit TextureImageTextureSourceOGL(
CompositorOGL* aCompositor, TextureFlags aFlags = TextureFlags::DEFAULT);
const char* Name() const override { return "TextureImageTextureSourceOGL"; }
// DataTextureSource
bool Update(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion = nullptr,
gfx::IntPoint* aSrcOffset = nullptr,
gfx::IntPoint* aDstOffset = nullptr) override;
void EnsureBuffer(const gfx::IntSize& aSize, gfxContentType aContentType);
TextureImageTextureSourceOGL* AsTextureImageTextureSource() override {
return this;
}
// TextureSource
void DeallocateDeviceData() override;
TextureSourceOGL* AsSourceOGL() override { return this; }
void BindTexture(GLenum aTextureUnit,
gfx::SamplingFilter aSamplingFilter) override;
gfx::IntSize GetSize() const override;
gfx::SurfaceFormat GetFormat() const override;
bool IsValid() const override { return !!mTexImage; }
GLenum GetWrapMode() const override { return mTexImage->GetWrapMode(); }
// BigImageIterator
BigImageIterator* AsBigImageIterator() override { return this; }
void BeginBigImageIteration() override {
mTexImage->BeginBigImageIteration();
mIterating = true;
}
void EndBigImageIteration() override { mIterating = false; }
gfx::IntRect GetTileRect() override;
size_t GetTileCount() override { return mTexImage->GetTileCount(); }
bool NextTile() override { return mTexImage->NextTile(); }
gl::GLContext* gl() const { return mGL; }
protected:
~TextureImageTextureSourceOGL();
RefPtr<gl::TextureImage> mTexImage;
RefPtr<gl::GLContext> mGL;
RefPtr<CompositorOGL> mCompositor;
TextureFlags mFlags;
bool mIterating;
};
/**
* A texture source for GL textures.
*
* It does not own any GL texture, and attaches its shared handle to one of
* the compositor's temporary textures when binding.
*
* The shared texture handle is owned by the TextureHost.
*/
class GLTextureSource : public DataTextureSource, public TextureSourceOGL {
public:
GLTextureSource(TextureSourceProvider* aProvider, GLuint aTextureHandle,
GLenum aTarget, gfx::IntSize aSize,
gfx::SurfaceFormat aFormat);
GLTextureSource(gl::GLContext* aGL, GLuint aTextureHandle, GLenum aTarget,
gfx::IntSize aSize, gfx::SurfaceFormat aFormat);
virtual ~GLTextureSource();
const char* Name() const override { return "GLTextureSource"; }
GLTextureSource* AsGLTextureSource() override { return this; }
TextureSourceOGL* AsSourceOGL() override { return this; }
void BindTexture(GLenum activetex,
gfx::SamplingFilter aSamplingFilter) override;
bool IsValid() const override;
gfx::IntSize GetSize() const override { return mSize; }
gfx::SurfaceFormat GetFormat() const override { return mFormat; }
GLenum GetTextureTarget() const override { return mTextureTarget; }
GLenum GetWrapMode() const override { return LOCAL_GL_CLAMP_TO_EDGE; }
void DeallocateDeviceData() override;
void SetSize(gfx::IntSize aSize) { mSize = aSize; }
void SetFormat(gfx::SurfaceFormat aFormat) { mFormat = aFormat; }
GLuint GetTextureHandle() const { return mTextureHandle; }
gl::GLContext* gl() const { return mGL; }
bool Update(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion = nullptr,
gfx::IntPoint* aSrcOffset = nullptr,
gfx::IntPoint* aDstOffset = nullptr) override {
return false;
}
protected:
void DeleteTextureHandle();
RefPtr<gl::GLContext> mGL;
RefPtr<CompositorOGL> mCompositor;
GLuint mTextureHandle;
GLenum mTextureTarget;
gfx::IntSize mSize;
gfx::SurfaceFormat mFormat;
};
// This texture source try to wrap "aSurface" in ctor for compositor direct
// access. Since we can't know the timing for gpu buffer access, the surface
// should be alive until the ~ClientStorageTextureSource(). And if we try to
// update the surface we mapped before, we need to call Sync() to make sure
// the surface is not used by compositor.
class DirectMapTextureSource : public GLTextureSource {
public:
DirectMapTextureSource(gl::GLContext* aContext,
gfx::DataSourceSurface* aSurface);
DirectMapTextureSource(TextureSourceProvider* aProvider,
gfx::DataSourceSurface* aSurface);
~DirectMapTextureSource();
bool Update(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion = nullptr,
gfx::IntPoint* aSrcOffset = nullptr,
gfx::IntPoint* aDstOffset = nullptr) override;
// If aBlocking is false, check if this texture is no longer being used
// by the GPU - if aBlocking is true, this will block until the GPU is
// done with it.
bool Sync(bool aBlocking) override;
void MaybeFenceTexture() override;
private:
bool UpdateInternal(gfx::DataSourceSurface* aSurface,
nsIntRegion* aDestRegion, gfx::IntPoint* aSrcOffset,
bool aInit);
GLsync mSync;
};
class GLTextureHost : public TextureHost {
public:
GLTextureHost(TextureFlags aFlags, GLuint aTextureHandle, GLenum aTarget,
GLsync aSync, gfx::IntSize aSize, bool aHasAlpha);
virtual ~GLTextureHost();
// We don't own anything.
void DeallocateDeviceData() override {}
gfx::SurfaceFormat GetFormat() const override;
already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
}
gl::GLContext* gl() const;
gfx::IntSize GetSize() const override { return mSize; }
const char* Name() override { return "GLTextureHost"; }
protected:
const GLuint mTexture;
const GLenum mTarget;
GLsync mSync;
const gfx::IntSize mSize;
const bool mHasAlpha;
RefPtr<GLTextureSource> mTextureSource;
};
////////////////////////////////////////////////////////////////////////
// SurfaceTexture
#ifdef MOZ_WIDGET_ANDROID
class SurfaceTextureSource : public TextureSource, public TextureSourceOGL {
public:
SurfaceTextureSource(TextureSourceProvider* aProvider,
java::GeckoSurfaceTexture::Ref& aSurfTex,
gfx::SurfaceFormat aFormat, GLenum aTarget,
GLenum aWrapMode, gfx::IntSize aSize,
bool aIgnoreTransform);
const char* Name() const override { return "SurfaceTextureSource"; }
TextureSourceOGL* AsSourceOGL() override { return this; }
void BindTexture(GLenum activetex,
gfx::SamplingFilter aSamplingFilter) override;
bool IsValid() const override;
gfx::IntSize GetSize() const override { return mSize; }
gfx::SurfaceFormat GetFormat() const override { return mFormat; }
gfx::Matrix4x4 GetTextureTransform() override;
GLenum GetTextureTarget() const override { return mTextureTarget; }
GLenum GetWrapMode() const override { return mWrapMode; }
void DeallocateDeviceData() override;
gl::GLContext* gl() const { return mGL; }
protected:
RefPtr<gl::GLContext> mGL;
mozilla::java::GeckoSurfaceTexture::GlobalRef mSurfTex;
const gfx::SurfaceFormat mFormat;
const GLenum mTextureTarget;
const GLenum mWrapMode;
const gfx::IntSize mSize;
const bool mIgnoreTransform;
};
class SurfaceTextureHost : public TextureHost {
public:
SurfaceTextureHost(TextureFlags aFlags,
mozilla::java::GeckoSurfaceTexture::Ref& aSurfTex,
gfx::IntSize aSize, gfx::SurfaceFormat aFormat,
bool aContinuousUpdate, bool aIgnoreTransform);
virtual ~SurfaceTextureHost();
void DeallocateDeviceData() override;
gfx::SurfaceFormat GetFormat() const override;
void NotifyNotUsed() override;
already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
}
gl::GLContext* gl() const;
gfx::IntSize GetSize() const override { return mSize; }
const char* Name() override { return "SurfaceTextureHost"; }
SurfaceTextureHost* AsSurfaceTextureHost() override { return this; }
void CreateRenderTexture(
const wr::ExternalImageId& aExternalImageId) override;
uint32_t NumSubTextures() override;
void PushResourceUpdates(wr::TransactionBuilder& aResources,
ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys,
const wr::ExternalImageId& aExtID) override;
void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys,
PushDisplayItemFlagSet aFlags) override;
bool SupportsExternalCompositing(WebRenderBackend aBackend) override;
// gecko does not need deferred deletion with WebRender
// GPU/hardware task end could be checked by android fence.
// SurfaceTexture uses android fence internally,
bool NeedsDeferredDeletion() const override { return false; }
protected:
bool EnsureAttached();
mozilla::java::GeckoSurfaceTexture::GlobalRef mSurfTex;
const gfx::IntSize mSize;
const gfx::SurfaceFormat mFormat;
bool mContinuousUpdate;
const bool mIgnoreTransform;
RefPtr<CompositorOGL> mCompositor;
RefPtr<SurfaceTextureSource> mTextureSource;
};
class AndroidHardwareBufferTextureHost : public TextureHost {
public:
static already_AddRefed<AndroidHardwareBufferTextureHost> Create(
TextureFlags aFlags, const SurfaceDescriptorAndroidHardwareBuffer& aDesc);
AndroidHardwareBufferTextureHost(
TextureFlags aFlags, AndroidHardwareBuffer* aAndroidHardwareBuffer);
virtual ~AndroidHardwareBufferTextureHost();
void DeallocateDeviceData() override;
gfx::SurfaceFormat GetFormat() const override;
gfx::IntSize GetSize() const override;
void NotifyNotUsed() override;
already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
}
gl::GLContext* gl() const;
const char* Name() override { return "AndroidHardwareBufferTextureHost"; }
AndroidHardwareBufferTextureHost* AsAndroidHardwareBufferTextureHost()
override {
return this;
}
void CreateRenderTexture(
const wr::ExternalImageId& aExternalImageId) override;
uint32_t NumSubTextures() override;
void PushResourceUpdates(wr::TransactionBuilder& aResources,
ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys,
const wr::ExternalImageId& aExtID) override;
void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys,
PushDisplayItemFlagSet aFlags) override;
void SetAcquireFence(mozilla::ipc::FileDescriptor&& aFenceFd) override;
void SetReleaseFence(mozilla::ipc::FileDescriptor&& aFenceFd) override;
mozilla::ipc::FileDescriptor GetAndResetReleaseFence() override;
AndroidHardwareBuffer* GetAndroidHardwareBuffer() const override {
return mAndroidHardwareBuffer;
}
// gecko does not need deferred deletion with WebRender
// GPU/hardware task end could be checked by android fence.
bool NeedsDeferredDeletion() const override { return false; }
protected:
void DestroyEGLImage();
RefPtr<AndroidHardwareBuffer> mAndroidHardwareBuffer;
RefPtr<GLTextureSource> mTextureSource;
EGLImage mEGLImage;
};
#endif // MOZ_WIDGET_ANDROID
////////////////////////////////////////////////////////////////////////
// EGLImage
class EGLImageTextureSource : public TextureSource, public TextureSourceOGL {
public:
EGLImageTextureSource(TextureSourceProvider* aProvider, EGLImage aImage,
gfx::SurfaceFormat aFormat, GLenum aTarget,
GLenum aWrapMode, gfx::IntSize aSize);
const char* Name() const override { return "EGLImageTextureSource"; }
TextureSourceOGL* AsSourceOGL() override { return this; }
void BindTexture(GLenum activetex,
gfx::SamplingFilter aSamplingFilter) override;
bool IsValid() const override;
gfx::IntSize GetSize() const override { return mSize; }
gfx::SurfaceFormat GetFormat() const override { return mFormat; }
gfx::Matrix4x4 GetTextureTransform() override;
GLenum GetTextureTarget() const override { return mTextureTarget; }
GLenum GetWrapMode() const override { return mWrapMode; }
// We don't own anything.
void DeallocateDeviceData() override {}
gl::GLContext* gl() const { return mGL; }
protected:
RefPtr<gl::GLContext> mGL;
RefPtr<CompositorOGL> mCompositor;
const EGLImage mImage;
const gfx::SurfaceFormat mFormat;
const GLenum mTextureTarget;
const GLenum mWrapMode;
const gfx::IntSize mSize;
};
class EGLImageTextureHost final : public TextureHost {
public:
EGLImageTextureHost(TextureFlags aFlags, EGLImage aImage, EGLSync aSync,
gfx::IntSize aSize, bool hasAlpha);
virtual ~EGLImageTextureHost();
// We don't own anything.
void DeallocateDeviceData() override {}
gfx::SurfaceFormat GetFormat() const override;
already_AddRefed<gfx::DataSourceSurface> GetAsSurface() override {
return nullptr; // XXX - implement this (for MOZ_DUMP_PAINTING)
}
gl::GLContext* gl() const;
gfx::IntSize GetSize() const override { return mSize; }
const char* Name() override { return "EGLImageTextureHost"; }
void CreateRenderTexture(
const wr::ExternalImageId& aExternalImageId) override;
void PushResourceUpdates(wr::TransactionBuilder& aResources,
ResourceUpdateOp aOp,
const Range<wr::ImageKey>& aImageKeys,
const wr::ExternalImageId& aExtID) override;
void PushDisplayItems(wr::DisplayListBuilder& aBuilder,
const wr::LayoutRect& aBounds,
const wr::LayoutRect& aClip, wr::ImageRendering aFilter,
const Range<wr::ImageKey>& aImageKeys,
PushDisplayItemFlagSet aFlags) override;
protected:
const EGLImage mImage;
const EGLSync mSync;
const gfx::IntSize mSize;
const bool mHasAlpha;
RefPtr<EGLImageTextureSource> mTextureSource;
};
} // namespace layers
} // namespace mozilla
#endif /* MOZILLA_GFX_TEXTUREOGL_H */