gecko/gfx/layers/ipc/ShadowLayerUtils.h

98 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: sw=2 ts=8 et :
*/
/* 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 IPC_ShadowLayerUtils_h
#define IPC_ShadowLayerUtils_h
#include "ipc/IPCMessageUtils.h"
#include "GLContextTypes.h"
#include "SurfaceTypes.h"
#include "mozilla/WidgetUtils.h"
#if defined(MOZ_ENABLE_D3D10_LAYER)
# include "mozilla/layers/ShadowLayerUtilsD3D10.h"
#endif
#if defined(XP_MACOSX)
#define MOZ_HAVE_PLATFORM_SPECIFIC_LAYER_BUFFERS
#endif
#if defined(MOZ_X11)
# include "mozilla/layers/ShadowLayerUtilsX11.h"
#else
namespace mozilla { namespace layers {
struct SurfaceDescriptorX11 {
bool operator==(const SurfaceDescriptorX11&) const { return false; }
};
} }
#endif
#if defined(MOZ_WIDGET_GONK)
# include "mozilla/layers/ShadowLayerUtilsGralloc.h"
#else
namespace mozilla { namespace layers {
struct MagicGrallocBufferHandle {
bool operator==(const MagicGrallocBufferHandle&) const { return false; }
};
} }
#endif
namespace IPC {
#if !defined(MOZ_HAVE_SURFACEDESCRIPTORX11)
template <>
struct ParamTraits<mozilla::layers::SurfaceDescriptorX11> {
typedef mozilla::layers::SurfaceDescriptorX11 paramType;
static void Write(Message*, const paramType&) {}
static bool Read(const Message*, void**, paramType*) { return false; }
};
#endif // !defined(MOZ_HAVE_XSURFACEDESCRIPTORX11)
template<>
struct ParamTraits<mozilla::gl::SharedTextureShareType>
{
typedef mozilla::gl::SharedTextureShareType paramType;
static void Write(Message* msg, const paramType& param)
{
static_assert(sizeof(paramType) <= sizeof(int32_t),
"TextureShareType assumes to be int32_t");
WriteParam(msg, int32_t(param));
}
static bool Read(const Message* msg, void** iter, paramType* result)
{
int32_t type;
if (!ReadParam(msg, iter, &type))
return false;
*result = paramType(type);
return true;
}
};
#if !defined(MOZ_HAVE_SURFACEDESCRIPTORGRALLOC)
template <>
struct ParamTraits<mozilla::layers::MagicGrallocBufferHandle> {
typedef mozilla::layers::MagicGrallocBufferHandle paramType;
static void Write(Message*, const paramType&) {}
static bool Read(const Message*, void**, paramType*) { return false; }
};
#endif // !defined(MOZ_HAVE_XSURFACEDESCRIPTORGRALLOC)
template <>
struct ParamTraits<mozilla::ScreenRotation>
: public ContiguousEnumSerializer<
mozilla::ScreenRotation,
mozilla::ROTATION_0,
mozilla::ROTATION_COUNT>
{};
} // namespace IPC
#endif // IPC_ShadowLayerUtils_h