mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-07 20:17:37 +00:00
839048be74
Please contact Bas Schouten <bschouten@mozilla.com>, Nicolas Silva <nsilva@mozilla.com> or Nicholas Cameron <ncameron@mozilla.com> with general questions. Below is a rough list of authors to contact with specific questions. Authors: gfx/layers/Compositor.* gfx/layers/Effects.h - Compositor Interface - bas,nrc,nical gfx/layers/d3d* - D3D9/D3D10 - bas gfx/layers/ThebesLayer* - ThebesLayers - nrc,bas gfx/layers/composite/* - CompositeLayers - nrc,nical gfx/layers/client/* - Client - nrc,nical,bas gfx/layers/*Image* - nical gfx/layers/ipc ipc - IPC - nical gfx/layers/opengl - CompositorOGL - nrc,nical gfx/2d - bas,nrc gfx/gl - GLContext - bjacob dom/* layout/* - DOM - mattwoodrow
107 lines
2.6 KiB
C++
107 lines
2.6 KiB
C++
/* -*- 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 GFX_CANVASLAYEROGL_H
|
|
#define GFX_CANVASLAYEROGL_H
|
|
|
|
#include "LayerManagerOGL.h"
|
|
#include "gfxASurface.h"
|
|
#include "GLDefs.h"
|
|
#include "mozilla/Preferences.h"
|
|
|
|
#if defined(GL_PROVIDER_GLX)
|
|
#include "GLXLibrary.h"
|
|
#include "mozilla/X11Util.h"
|
|
#endif
|
|
|
|
|
|
namespace mozilla {
|
|
namespace layers {
|
|
|
|
class THEBES_API CanvasLayerOGL :
|
|
public CanvasLayer,
|
|
public LayerOGL
|
|
{
|
|
public:
|
|
CanvasLayerOGL(LayerManagerOGL *aManager)
|
|
: CanvasLayer(aManager, NULL)
|
|
, LayerOGL(aManager)
|
|
, mLayerProgram(gl::RGBALayerProgramType)
|
|
, mTexture(0)
|
|
, mTextureTarget(LOCAL_GL_TEXTURE_2D)
|
|
, mDelayedUpdates(false)
|
|
, mIsGLAlphaPremult(false)
|
|
, mUploadTexture(0)
|
|
#if defined(GL_PROVIDER_GLX)
|
|
, mPixmap(0)
|
|
#endif
|
|
{
|
|
mImplData = static_cast<LayerOGL*>(this);
|
|
mForceReadback = Preferences::GetBool("webgl.force-layers-readback", false);
|
|
}
|
|
|
|
~CanvasLayerOGL() {
|
|
Destroy();
|
|
}
|
|
|
|
// CanvasLayer implementation
|
|
virtual void Initialize(const Data& aData);
|
|
|
|
// LayerOGL implementation
|
|
virtual void Destroy();
|
|
virtual Layer* GetLayer() { return this; }
|
|
virtual void RenderLayer(int aPreviousFrameBuffer,
|
|
const nsIntPoint& aOffset);
|
|
virtual void CleanupResources();
|
|
|
|
protected:
|
|
void UpdateSurface();
|
|
|
|
nsRefPtr<gfxASurface> mCanvasSurface;
|
|
nsRefPtr<GLContext> mGLContext;
|
|
gl::ShaderProgramType mLayerProgram;
|
|
RefPtr<gfx::DrawTarget> mDrawTarget;
|
|
|
|
GLuint mTexture;
|
|
GLenum mTextureTarget;
|
|
|
|
bool mDelayedUpdates;
|
|
bool mIsGLAlphaPremult;
|
|
bool mNeedsYFlip;
|
|
bool mForceReadback;
|
|
GLuint mUploadTexture;
|
|
#if defined(GL_PROVIDER_GLX)
|
|
GLXPixmap mPixmap;
|
|
#endif
|
|
|
|
nsRefPtr<gfxImageSurface> mCachedTempSurface;
|
|
gfxIntSize mCachedSize;
|
|
gfxASurface::gfxImageFormat mCachedFormat;
|
|
|
|
gfxImageSurface* GetTempSurface(const gfxIntSize& aSize,
|
|
const gfxASurface::gfxImageFormat aFormat)
|
|
{
|
|
if (!mCachedTempSurface ||
|
|
aSize.width != mCachedSize.width ||
|
|
aSize.height != mCachedSize.height ||
|
|
aFormat != mCachedFormat)
|
|
{
|
|
mCachedTempSurface = new gfxImageSurface(aSize, aFormat);
|
|
mCachedSize = aSize;
|
|
mCachedFormat = aFormat;
|
|
}
|
|
|
|
return mCachedTempSurface;
|
|
}
|
|
|
|
void DiscardTempSurface() {
|
|
mCachedTempSurface = nullptr;
|
|
}
|
|
};
|
|
|
|
} /* layers */
|
|
} /* mozilla */
|
|
#endif /* GFX_IMAGELAYEROGL_H */
|