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7d182a2102
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 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_CANVASLAYEROGL_H
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#define GFX_CANVASLAYEROGL_H
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#include "LayerManagerOGL.h"
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#include "gfxASurface.h"
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#include "GLDefs.h"
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#include "mozilla/Preferences.h"
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#if defined(GL_PROVIDER_GLX)
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#include "GLXLibrary.h"
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#include "mozilla/X11Util.h"
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#endif
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namespace mozilla {
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namespace layers {
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class THEBES_API CanvasLayerOGL :
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public CanvasLayer,
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public LayerOGL
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{
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public:
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CanvasLayerOGL(LayerManagerOGL *aManager)
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: CanvasLayer(aManager, NULL)
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, LayerOGL(aManager)
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, mLayerProgram(gl::RGBALayerProgramType)
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, mTexture(0)
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, mTextureTarget(LOCAL_GL_TEXTURE_2D)
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, mDelayedUpdates(false)
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, mIsGLAlphaPremult(false)
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, mUploadTexture(0)
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#if defined(GL_PROVIDER_GLX)
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, mPixmap(0)
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#endif
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{
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mImplData = static_cast<LayerOGL*>(this);
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mForceReadback = Preferences::GetBool("webgl.force-layers-readback", false);
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}
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~CanvasLayerOGL() {
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Destroy();
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}
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// CanvasLayer implementation
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virtual void Initialize(const Data& aData);
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// LayerOGL implementation
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virtual void Destroy();
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virtual Layer* GetLayer() { return this; }
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virtual void RenderLayer(int aPreviousFrameBuffer,
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const nsIntPoint& aOffset);
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virtual void CleanupResources();
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protected:
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void UpdateSurface();
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nsRefPtr<gfxASurface> mCanvasSurface;
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nsRefPtr<GLContext> mGLContext;
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gl::ShaderProgramType mLayerProgram;
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RefPtr<gfx::DrawTarget> mDrawTarget;
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GLuint mTexture;
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GLenum mTextureTarget;
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bool mDelayedUpdates;
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bool mIsGLAlphaPremult;
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bool mNeedsYFlip;
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bool mForceReadback;
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GLuint mUploadTexture;
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#if defined(GL_PROVIDER_GLX)
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GLXPixmap mPixmap;
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#endif
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nsRefPtr<gfxImageSurface> mCachedTempSurface;
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gfxIntSize mCachedSize;
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gfxASurface::gfxImageFormat mCachedFormat;
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gfxImageSurface* GetTempSurface(const gfxIntSize& aSize,
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const gfxASurface::gfxImageFormat aFormat)
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{
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if (!mCachedTempSurface ||
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aSize.width != mCachedSize.width ||
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aSize.height != mCachedSize.height ||
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aFormat != mCachedFormat)
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{
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mCachedTempSurface = new gfxImageSurface(aSize, aFormat);
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mCachedSize = aSize;
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mCachedFormat = aFormat;
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}
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return mCachedTempSurface;
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}
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void DiscardTempSurface() {
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mCachedTempSurface = nullptr;
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}
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};
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} /* layers */
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} /* mozilla */
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#endif /* GFX_IMAGELAYEROGL_H */
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