gecko-dev/gfx/ipc/GfxMessageUtils.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set sw=2 ts=8 et 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 __GFXMESSAGEUTILS_H__
#define __GFXMESSAGEUTILS_H__
#include "base/process_util.h"
#include "chrome/common/ipc_message_utils.h"
#include "ipc/IPCMessageUtils.h"
#include "mozilla/Util.h"
#include <stdint.h>
#include "gfx3DMatrix.h"
#include "gfxColor.h"
#include "gfxMatrix.h"
#include "GraphicsFilter.h"
#include "gfxPoint.h"
#include "gfxRect.h"
#include "nsRect.h"
#include "nsRegion.h"
#include "gfxTypes.h"
#include "mozilla/layers/LayersTypes.h"
#include "mozilla/layers/CompositorTypes.h"
#include "FrameMetrics.h"
#ifdef _MSC_VER
#pragma warning( disable : 4800 )
#endif
namespace mozilla {
typedef gfxImageFormat PixelFormat;
#if defined(MOZ_HAVE_CXX11_STRONG_ENUMS)
typedef ::GraphicsFilter GraphicsFilterType;
#else
// If we don't have support for enum classes, then we need to use the actual
// enum type here instead of the simulated enum class.
typedef GraphicsFilter::Enum GraphicsFilterType;
#endif
} // namespace mozilla
namespace IPC {
template<>
struct ParamTraits<gfxMatrix>
{
typedef gfxMatrix paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.xx);
WriteParam(aMsg, aParam.xy);
WriteParam(aMsg, aParam.yx);
WriteParam(aMsg, aParam.yy);
WriteParam(aMsg, aParam.x0);
WriteParam(aMsg, aParam.y0);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
if (ReadParam(aMsg, aIter, &aResult->xx) &&
ReadParam(aMsg, aIter, &aResult->xy) &&
ReadParam(aMsg, aIter, &aResult->yx) &&
ReadParam(aMsg, aIter, &aResult->yy) &&
ReadParam(aMsg, aIter, &aResult->x0) &&
ReadParam(aMsg, aIter, &aResult->y0))
return true;
return false;
}
static void Log(const paramType& aParam, std::wstring* aLog)
{
aLog->append(StringPrintf(L"[[%g %g] [%g %g] [%g %g]]", aParam.xx, aParam.xy, aParam.yx, aParam.yy,
aParam.x0, aParam.y0));
}
};
template<>
struct ParamTraits<gfxPoint>
{
typedef gfxPoint paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.x);
WriteParam(aMsg, aParam.y);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return (ReadParam(aMsg, aIter, &aResult->x) &&
ReadParam(aMsg, aIter, &aResult->y));
}
};
template<>
struct ParamTraits<gfxPoint3D>
{
typedef gfxPoint3D paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.x);
WriteParam(aMsg, aParam.y);
WriteParam(aMsg, aParam.z);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return (ReadParam(aMsg, aIter, &aResult->x) &&
ReadParam(aMsg, aIter, &aResult->y) &&
ReadParam(aMsg, aIter, &aResult->z));
}
};
template<>
struct ParamTraits<gfxSize>
{
typedef gfxSize paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.width);
WriteParam(aMsg, aParam.height);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
if (ReadParam(aMsg, aIter, &aResult->width) &&
ReadParam(aMsg, aIter, &aResult->height))
return true;
return false;
}
};
template<>
struct ParamTraits<gfxRect>
{
typedef gfxRect paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.x);
WriteParam(aMsg, aParam.y);
WriteParam(aMsg, aParam.width);
WriteParam(aMsg, aParam.height);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, &aResult->x) &&
ReadParam(aMsg, aIter, &aResult->y) &&
ReadParam(aMsg, aIter, &aResult->width) &&
ReadParam(aMsg, aIter, &aResult->height);
}
};
template<>
struct ParamTraits<gfx3DMatrix>
{
typedef gfx3DMatrix paramType;
static void Write(Message* msg, const paramType& param)
{
#define Wr(_f) WriteParam(msg, param. _f)
Wr(_11); Wr(_12); Wr(_13); Wr(_14);
Wr(_21); Wr(_22); Wr(_23); Wr(_24);
Wr(_31); Wr(_32); Wr(_33); Wr(_34);
Wr(_41); Wr(_42); Wr(_43); Wr(_44);
#undef Wr
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
#define Rd(_f) ReadParam(msg, iter, &result-> _f)
return (Rd(_11) && Rd(_12) && Rd(_13) && Rd(_14) &&
Rd(_21) && Rd(_22) && Rd(_23) && Rd(_24) &&
Rd(_31) && Rd(_32) && Rd(_33) && Rd(_34) &&
Rd(_41) && Rd(_42) && Rd(_43) && Rd(_44));
#undef Rd
}
};
template <>
struct ParamTraits<gfxContentType>
: public EnumSerializer<gfxContentType,
GFX_CONTENT_COLOR,
GFX_CONTENT_SENTINEL>
{};
template <>
struct ParamTraits<gfxSurfaceType>
: public EnumSerializer<gfxSurfaceType,
gfxSurfaceTypeImage,
gfxSurfaceTypeMax>
{};
template <>
struct ParamTraits<mozilla::GraphicsFilterType>
: public EnumSerializer<mozilla::GraphicsFilterType,
GraphicsFilter::FILTER_FAST,
GraphicsFilter::FILTER_SENTINEL>
{};
template <>
struct ParamTraits<mozilla::layers::LayersBackend>
: public EnumSerializer<mozilla::layers::LayersBackend,
mozilla::layers::LAYERS_NONE,
mozilla::layers::LAYERS_LAST>
{};
template <>
struct ParamTraits<mozilla::layers::ScaleMode>
: public EnumSerializer<mozilla::layers::ScaleMode,
mozilla::layers::SCALE_NONE,
mozilla::layers::SCALE_SENTINEL>
{};
template <>
struct ParamTraits<mozilla::PixelFormat>
: public EnumSerializer<mozilla::PixelFormat,
gfxImageFormatARGB32,
gfxImageFormatUnknown>
{};
template<>
struct ParamTraits<gfxRGBA>
{
typedef gfxRGBA paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.r);
WriteParam(msg, param.g);
WriteParam(msg, param.b);
WriteParam(msg, param.a);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->r) &&
ReadParam(msg, iter, &result->g) &&
ReadParam(msg, iter, &result->b) &&
ReadParam(msg, iter, &result->a));
}
};
template<>
struct ParamTraits<nsPoint>
{
typedef nsPoint paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y));
}
};
template<>
struct ParamTraits<nsIntPoint>
{
typedef nsIntPoint paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y));
}
};
template<>
struct ParamTraits<mozilla::gfx::IntSize>
{
typedef mozilla::gfx::IntSize paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<>
struct ParamTraits<nsIntRect>
{
typedef nsIntRect paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y) &&
ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<typename Region, typename Rect, typename Iter>
struct RegionParamTraits
{
typedef Region paramType;
static void Write(Message* msg, const paramType& param)
{
Iter it(param);
while (const Rect* r = it.Next())
WriteParam(msg, *r);
// empty rects are sentinel values because nsRegions will never
// contain them
WriteParam(msg, Rect());
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
Rect rect;
while (ReadParam(msg, iter, &rect)) {
if (rect.IsEmpty())
return true;
result->Or(*result, rect);
}
return false;
}
};
template<>
struct ParamTraits<nsIntRegion>
: RegionParamTraits<nsIntRegion, nsIntRect, nsIntRegionRectIterator>
{};
template<>
struct ParamTraits<nsIntSize>
{
typedef nsIntSize paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<class T, class U>
struct ParamTraits< mozilla::gfx::ScaleFactor<T, U> >
{
typedef mozilla::gfx::ScaleFactor<T, U> paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.scale);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->scale));
}
};
template<class T>
struct ParamTraits< mozilla::gfx::PointTyped<T> >
{
typedef mozilla::gfx::PointTyped<T> paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y));
}
};
template<class T>
struct ParamTraits< mozilla::gfx::IntPointTyped<T> >
{
typedef mozilla::gfx::IntPointTyped<T> paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y));
}
};
template<>
struct ParamTraits<mozilla::gfx::Size>
{
typedef mozilla::gfx::Size paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<class T>
struct ParamTraits< mozilla::gfx::RectTyped<T> >
{
typedef mozilla::gfx::RectTyped<T> paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y) &&
ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<class T>
struct ParamTraits< mozilla::gfx::IntRectTyped<T> >
{
typedef mozilla::gfx::IntRectTyped<T> paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y) &&
ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<>
struct ParamTraits<mozilla::gfx::Margin>
{
typedef mozilla::gfx::Margin paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.top);
WriteParam(msg, param.right);
WriteParam(msg, param.bottom);
WriteParam(msg, param.left);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->top) &&
ReadParam(msg, iter, &result->right) &&
ReadParam(msg, iter, &result->bottom) &&
ReadParam(msg, iter, &result->left));
}
};
template<class T>
struct ParamTraits< mozilla::gfx::MarginTyped<T> >
{
typedef mozilla::gfx::MarginTyped<T> paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.top);
WriteParam(msg, param.right);
WriteParam(msg, param.bottom);
WriteParam(msg, param.left);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->top) &&
ReadParam(msg, iter, &result->right) &&
ReadParam(msg, iter, &result->bottom) &&
ReadParam(msg, iter, &result->left));
}
};
template<>
struct ParamTraits<nsRect>
{
typedef nsRect paramType;
static void Write(Message* msg, const paramType& param)
{
WriteParam(msg, param.x);
WriteParam(msg, param.y);
WriteParam(msg, param.width);
WriteParam(msg, param.height);
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
return (ReadParam(msg, iter, &result->x) &&
ReadParam(msg, iter, &result->y) &&
ReadParam(msg, iter, &result->width) &&
ReadParam(msg, iter, &result->height));
}
};
template<>
struct ParamTraits<nsRegion>
: RegionParamTraits<nsRegion, nsRect, nsRegionRectIterator>
{};
template <>
struct ParamTraits<mozilla::layers::FrameMetrics>
{
typedef mozilla::layers::FrameMetrics paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.mScrollableRect);
WriteParam(aMsg, aParam.mViewport);
WriteParam(aMsg, aParam.mScrollOffset);
WriteParam(aMsg, aParam.mDisplayPort);
WriteParam(aMsg, aParam.mCriticalDisplayPort);
WriteParam(aMsg, aParam.mCompositionBounds);
WriteParam(aMsg, aParam.mScrollId);
WriteParam(aMsg, aParam.mResolution);
WriteParam(aMsg, aParam.mCumulativeResolution);
WriteParam(aMsg, aParam.mZoom);
WriteParam(aMsg, aParam.mDevPixelsPerCSSPixel);
WriteParam(aMsg, aParam.mMayHaveTouchListeners);
WriteParam(aMsg, aParam.mPresShellId);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return (ReadParam(aMsg, aIter, &aResult->mScrollableRect) &&
ReadParam(aMsg, aIter, &aResult->mViewport) &&
ReadParam(aMsg, aIter, &aResult->mScrollOffset) &&
ReadParam(aMsg, aIter, &aResult->mDisplayPort) &&
ReadParam(aMsg, aIter, &aResult->mCriticalDisplayPort) &&
ReadParam(aMsg, aIter, &aResult->mCompositionBounds) &&
ReadParam(aMsg, aIter, &aResult->mScrollId) &&
ReadParam(aMsg, aIter, &aResult->mResolution) &&
ReadParam(aMsg, aIter, &aResult->mCumulativeResolution) &&
ReadParam(aMsg, aIter, &aResult->mZoom) &&
ReadParam(aMsg, aIter, &aResult->mDevPixelsPerCSSPixel) &&
ReadParam(aMsg, aIter, &aResult->mMayHaveTouchListeners) &&
ReadParam(aMsg, aIter, &aResult->mPresShellId));
}
};
template<>
struct ParamTraits<mozilla::layers::TextureFactoryIdentifier>
{
typedef mozilla::layers::TextureFactoryIdentifier paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.mParentBackend);
WriteParam(aMsg, aParam.mMaxTextureSize);
WriteParam(aMsg, aParam.mSupportsTextureBlitting);
WriteParam(aMsg, aParam.mSupportsPartialUploads);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, &aResult->mParentBackend) &&
ReadParam(aMsg, aIter, &aResult->mMaxTextureSize) &&
ReadParam(aMsg, aIter, &aResult->mSupportsTextureBlitting) &&
ReadParam(aMsg, aIter, &aResult->mSupportsPartialUploads);
}
};
template<>
struct ParamTraits<mozilla::layers::TextureInfo>
{
typedef mozilla::layers::TextureInfo paramType;
static void Write(Message* aMsg, const paramType& aParam)
{
WriteParam(aMsg, aParam.mCompositableType);
WriteParam(aMsg, aParam.mDeprecatedTextureHostFlags);
WriteParam(aMsg, aParam.mTextureFlags);
}
static bool Read(const Message* aMsg, void** aIter, paramType* aResult)
{
return ReadParam(aMsg, aIter, &aResult->mCompositableType) &&
ReadParam(aMsg, aIter, &aResult->mDeprecatedTextureHostFlags) &&
ReadParam(aMsg, aIter, &aResult->mTextureFlags);
}
};
template <>
struct ParamTraits<mozilla::layers::CompositableType>
: public EnumSerializer<mozilla::layers::CompositableType,
mozilla::layers::BUFFER_UNKNOWN,
mozilla::layers::BUFFER_COUNT>
{};
template <>
struct ParamTraits<mozilla::gfx::SurfaceFormat>
: public EnumSerializer<mozilla::gfx::SurfaceFormat,
mozilla::gfx::FORMAT_B8G8R8A8,
mozilla::gfx::FORMAT_UNKNOWN>
{};
} /* namespace IPC */
#endif /* __GFXMESSAGEUTILS_H__ */