gecko-dev/gfx/layers/LayerScope.h

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C
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* vim:set ts=4 sw=4 sts=4 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 GFX_LAYERSCOPE_H
#define GFX_LAYERSCOPE_H
#include <stdint.h>
#include <mozilla/UniquePtr.h>
#include "gfxMatrix.h"
namespace mozilla {
namespace gl { class GLContext; }
namespace layers {
namespace layerscope { class Packet; }
struct EffectChain;
class LayerComposite;
class TextureHost;
class LayerScope {
public:
static void DrawBegin();
static void SetRenderOffset(float aX, float aY);
static void SetLayerTransform(const gfx::Matrix4x4& aMatrix);
static void SetDrawRects(size_t aRects,
const gfx::Rect* aLayerRects,
const gfx::Rect* aTextureRects);
static void DrawEnd(gl::GLContext* aGLContext,
const EffectChain& aEffectChain,
int aWidth,
int aHeight);
static void SendLayer(LayerComposite* aLayer,
int aWidth,
int aHeight);
static void SendLayerDump(UniquePtr<layerscope::Packet> aPacket);
static bool CheckSendable();
static void CleanLayer();
static void SetHWComposed();
static void SetPixelScale(double devPixelsPerCSSPixel);
static void ContentChanged(TextureHost *host);
private:
static void Init();
};
// Perform BeginFrame and EndFrame automatically
class LayerScopeAutoFrame {
public:
explicit LayerScopeAutoFrame(int64_t aFrameStamp);
~LayerScopeAutoFrame();
private:
static void BeginFrame(int64_t aFrameStamp);
static void EndFrame();
};
} // namespace layers
} // namespace mozilla
#endif /* GFX_LAYERSCOPE_H */