gecko/gfx/layers/client/CanvasClient.h

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/* -*- 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_CANVASCLIENT_H
#define MOZILLA_GFX_CANVASCLIENT_H
#include "mozilla/Assertions.h" // for MOZ_ASSERT, etc
#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
#include "mozilla/RefPtr.h" // for RefPtr, TemporaryRef
#include "mozilla/layers/CompositableClient.h" // for CompositableClient
#include "mozilla/layers/CompositorTypes.h" // for TextureInfo, etc
#include "mozilla/layers/LayersSurfaces.h" // for SurfaceDescriptor
#include "mozilla/layers/TextureClient.h" // for TextureClient, etc
#include "mozilla/mozalloc.h" // for operator delete
#include "mozilla/gfx/Point.h" // for IntSize
#include "mozilla/gfx/Types.h" // for SurfaceFormat
namespace mozilla {
namespace gfx {
class SharedSurface;
}
}
namespace mozilla {
namespace layers {
class ClientCanvasLayer;
class CompositableForwarder;
/**
* Compositable client for 2d and webgl canvas.
*/
class CanvasClient : public CompositableClient
{
public:
/**
* Creates, configures, and returns a new canvas client. If necessary, a
* message will be sent to the compositor to create a corresponding image
* host.
*/
enum CanvasClientType {
CanvasClientSurface,
CanvasClientGLContext,
};
static TemporaryRef<CanvasClient> CreateCanvasClient(CanvasClientType aType,
CompositableForwarder* aFwd,
TextureFlags aFlags);
CanvasClient(CompositableForwarder* aFwd, TextureFlags aFlags)
: CompositableClient(aFwd, aFlags)
{
mTextureInfo.mTextureFlags = aFlags;
}
virtual ~CanvasClient() {}
virtual void Clear() {};
virtual void Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) = 0;
virtual void Updated() { }
protected:
TextureInfo mTextureInfo;
};
// Used for 2D canvases and WebGL canvas on non-GL systems where readback is requried.
class CanvasClient2D : public CanvasClient
{
public:
CanvasClient2D(CompositableForwarder* aLayerForwarder,
TextureFlags aFlags)
: CanvasClient(aLayerForwarder, aFlags)
{
}
TextureInfo GetTextureInfo() const
{
Bug 987311 - 5/6 - Convert the rest of CompositorTypes.h to typed enums, auto regex changes - r=nical find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)DIAGNOSTIC_\(NONE\|TILE_BORDERS\|LAYER_BORDERS\|BIGIMAGE_BORDERS\|FLASH_BORDERS\)\($\|[^A-Za-z0-9_]\)/\1DiagnosticTypes::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/DiagnosticTypes\:\:NONE/DiagosticTypes::NO_DIAGNOSTIC/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)DIAGNOSTIC_\(IMAGE\|CONTENT\|CANVAS\|COLOR\|CONTAINER\|TILE\|BIGIMAGE\|COMPONENT_ALPHA\|REGION_RECT\)\($\|[^A-Za-z0-9_]\)/\1DiagnosticFlags::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)EFFECT_\(MASK\|MAX_SECONDARY\|RGB\|YCBCR\|COMPONENT_ALPHA\|SOLID_COLOR\|RENDER_TARGET\|MAX\)\($\|[^A-Za-z0-9_]\)/\1EffectTypes::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_\(CONTENT\|SHMEM\|YCBCR\|SHARED_GL\|SHARED_GL_EXTERNAL\|STREAM_GL\|FALLBACK\)\($\|[^A-Za-z0-9_]\)/\1DeprecatedTextureClientType::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(BUFFER_UNKNOWN\|BUFFER_IMAGE_SINGLE\|BUFFER_IMAGE_BUFFERED\|BUFFER_BRIDGE\|BUFFER_CONTENT\|BUFFER_CONTENT_DIRECT\|BUFFER_CONTENT_INC\|BUFFER_TILED\|BUFFER_SIMPLE_TILED\|COMPOSITABLE_IMAGE\|COMPOSITABLE_CONTENT_SINGLE\|COMPOSITABLE_CONTENT_DOUBLE\|BUFFER_COUNT\)\($\|[^A-Za-z0-9_]\)/\1CompositableType::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/CompositableType\:\:COMPOSITABLE_/CompositableType::/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_HOST_\(DEFAULT\|TILED\|COPY_PREVIOUS\)\($\|[^A-Za-z0-9_]\)/\1DeprecatedTextureHostFlags::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)Texture\(Front\|Back\|OnWhiteFront\|OnWhiteBack\)\($\|[^A-Za-z0-9_]\)/\1TextureIdentifier::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(OPEN_NONE\|OPEN_READ\|OPEN_WRITE\|OPEN_READ_WRITE\|OPEN_READ_ONLY\|OPEN_WRITE_ONLY\)\($\|[^A-Za-z0-9_]\)/\1OpenMode::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(MaskNone\|Mask2d\|Mask3d\|NumMaskTypes\)\($\|[^A-Za-z0-9_]\)/\1MaskType::\2\3/g' find gfx -type f | xargs sed -i 's/Diagostic/Diagnostic/g'
2014-04-25 19:34:06 -07:00
return TextureInfo(CompositableType::IMAGE);
}
virtual void Clear() MOZ_OVERRIDE
{
mBuffer = nullptr;
}
virtual void Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) MOZ_OVERRIDE;
virtual bool AddTextureClient(TextureClient* aTexture) MOZ_OVERRIDE
{
MOZ_ASSERT((mTextureInfo.mTextureFlags & aTexture->GetFlags()) == mTextureInfo.mTextureFlags);
return CompositableClient::AddTextureClient(aTexture);
}
virtual void OnDetach() MOZ_OVERRIDE
{
mBuffer = nullptr;
}
private:
RefPtr<TextureClient> mBuffer;
};
// Used for GL canvases where we don't need to do any readback, i.e., with a
// GL backend.
class CanvasClientSurfaceStream : public CanvasClient
{
public:
CanvasClientSurfaceStream(CompositableForwarder* aLayerForwarder, TextureFlags aFlags);
TextureInfo GetTextureInfo() const
{
Bug 987311 - 5/6 - Convert the rest of CompositorTypes.h to typed enums, auto regex changes - r=nical find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)DIAGNOSTIC_\(NONE\|TILE_BORDERS\|LAYER_BORDERS\|BIGIMAGE_BORDERS\|FLASH_BORDERS\)\($\|[^A-Za-z0-9_]\)/\1DiagnosticTypes::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/DiagnosticTypes\:\:NONE/DiagosticTypes::NO_DIAGNOSTIC/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)DIAGNOSTIC_\(IMAGE\|CONTENT\|CANVAS\|COLOR\|CONTAINER\|TILE\|BIGIMAGE\|COMPONENT_ALPHA\|REGION_RECT\)\($\|[^A-Za-z0-9_]\)/\1DiagnosticFlags::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)EFFECT_\(MASK\|MAX_SECONDARY\|RGB\|YCBCR\|COMPONENT_ALPHA\|SOLID_COLOR\|RENDER_TARGET\|MAX\)\($\|[^A-Za-z0-9_]\)/\1EffectTypes::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_\(CONTENT\|SHMEM\|YCBCR\|SHARED_GL\|SHARED_GL_EXTERNAL\|STREAM_GL\|FALLBACK\)\($\|[^A-Za-z0-9_]\)/\1DeprecatedTextureClientType::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(BUFFER_UNKNOWN\|BUFFER_IMAGE_SINGLE\|BUFFER_IMAGE_BUFFERED\|BUFFER_BRIDGE\|BUFFER_CONTENT\|BUFFER_CONTENT_DIRECT\|BUFFER_CONTENT_INC\|BUFFER_TILED\|BUFFER_SIMPLE_TILED\|COMPOSITABLE_IMAGE\|COMPOSITABLE_CONTENT_SINGLE\|COMPOSITABLE_CONTENT_DOUBLE\|BUFFER_COUNT\)\($\|[^A-Za-z0-9_]\)/\1CompositableType::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/CompositableType\:\:COMPOSITABLE_/CompositableType::/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)TEXTURE_HOST_\(DEFAULT\|TILED\|COPY_PREVIOUS\)\($\|[^A-Za-z0-9_]\)/\1DeprecatedTextureHostFlags::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)Texture\(Front\|Back\|OnWhiteFront\|OnWhiteBack\)\($\|[^A-Za-z0-9_]\)/\1TextureIdentifier::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(OPEN_NONE\|OPEN_READ\|OPEN_WRITE\|OPEN_READ_WRITE\|OPEN_READ_ONLY\|OPEN_WRITE_ONLY\)\($\|[^A-Za-z0-9_]\)/\1OpenMode::\2\3/g' find gfx/layers -type f | grep -v CompositorTypes.h | xargs sed -i 's/\(^\|[^A-Za-z0-9_]\)\(MaskNone\|Mask2d\|Mask3d\|NumMaskTypes\)\($\|[^A-Za-z0-9_]\)/\1MaskType::\2\3/g' find gfx -type f | xargs sed -i 's/Diagostic/Diagnostic/g'
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return TextureInfo(CompositableType::IMAGE);
}
virtual void Clear() MOZ_OVERRIDE
{
mBuffer = nullptr;
}
virtual void Update(gfx::IntSize aSize, ClientCanvasLayer* aLayer) MOZ_OVERRIDE;
virtual void OnDetach() MOZ_OVERRIDE
{
mBuffer = nullptr;
}
private:
RefPtr<TextureClient> mBuffer;
};
}
}
#endif