diff options
Diffstat (limited to 'WebCore/platform/graphics/chromium/LayerChromium.h')
| -rw-r--r-- | WebCore/platform/graphics/chromium/LayerChromium.h | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/WebCore/platform/graphics/chromium/LayerChromium.h b/WebCore/platform/graphics/chromium/LayerChromium.h deleted file mode 100644 index ac95285..0000000 --- a/WebCore/platform/graphics/chromium/LayerChromium.h +++ /dev/null @@ -1,306 +0,0 @@ -/* - * Copyright (C) 2010 Google Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above - * copyright notice, this list of conditions and the following disclaimer - * in the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - - -#ifndef LayerChromium_h -#define LayerChromium_h - -#if USE(ACCELERATED_COMPOSITING) - -#include "FloatPoint.h" -#include "GraphicsContext.h" -#include "GraphicsLayerChromium.h" -#include "PlatformString.h" -#include "RenderSurfaceChromium.h" -#include "TransformationMatrix.h" -#include <wtf/OwnPtr.h> -#include <wtf/PassRefPtr.h> -#include <wtf/RefCounted.h> -#include <wtf/Vector.h> -#include <wtf/text/StringHash.h> - - -namespace skia { -class PlatformCanvas; -} - -namespace WebCore { - -class GraphicsContext3D; -class LayerRendererChromium; - -// Base class for composited layers. Special layer types are derived from -// this class. -class LayerChromium : public RefCounted<LayerChromium> { - friend class LayerRendererChromium; -public: - static PassRefPtr<LayerChromium> create(GraphicsLayerChromium* owner = 0); - - virtual ~LayerChromium(); - - const LayerChromium* rootLayer() const; - LayerChromium* superlayer() const; - void addSublayer(PassRefPtr<LayerChromium>); - void insertSublayer(PassRefPtr<LayerChromium>, size_t index); - void replaceSublayer(LayerChromium* reference, PassRefPtr<LayerChromium> newLayer); - void removeFromSuperlayer(); - void removeAllSublayers(); - void setSublayers(const Vector<RefPtr<LayerChromium> >&); - const Vector<RefPtr<LayerChromium> >& getSublayers() const { return m_sublayers; } - - void setAnchorPoint(const FloatPoint& anchorPoint) { m_anchorPoint = anchorPoint; setNeedsCommit(); } - FloatPoint anchorPoint() const { return m_anchorPoint; } - - void setAnchorPointZ(float anchorPointZ) { m_anchorPointZ = anchorPointZ; setNeedsCommit(); } - float anchorPointZ() const { return m_anchorPointZ; } - - void setBackgroundColor(const Color& color) { m_backgroundColor = color; setNeedsCommit(); } - Color backgroundColor() const { return m_backgroundColor; } - - void setBorderColor(const Color& color) { m_borderColor = color; setNeedsCommit(); } - Color borderColor() const { return m_borderColor; } - - void setBorderWidth(float width) { m_borderWidth = width; setNeedsCommit(); } - float borderWidth() const { return m_borderWidth; } - - void setBounds(const IntSize&); - IntSize bounds() const { return m_bounds; } - - void setClearsContext(bool clears) { m_clearsContext = clears; setNeedsCommit(); } - bool clearsContext() const { return m_clearsContext; } - - void setDoubleSided(bool doubleSided) { m_doubleSided = doubleSided; setNeedsCommit(); } - bool doubleSided() const { return m_doubleSided; } - - void setFrame(const FloatRect&); - FloatRect frame() const { return m_frame; } - - void setHidden(bool hidden) { m_hidden = hidden; setNeedsCommit(); } - bool isHidden() const { return m_hidden; } - - void setMasksToBounds(bool masksToBounds) { m_masksToBounds = masksToBounds; } - bool masksToBounds() const { return m_masksToBounds; } - - void setName(const String& name) { m_name = name; } - String name() const { return m_name; } - - void setNeedsDisplay(const FloatRect& dirtyRect); - void setNeedsDisplay(); - const FloatRect& dirtyRect() const { return m_dirtyRect; } - void resetNeedsDisplay(); - - void setNeedsDisplayOnBoundsChange(bool needsDisplay) { m_needsDisplayOnBoundsChange = needsDisplay; } - - void setOpacity(float opacity) { m_opacity = opacity; setNeedsCommit(); } - float opacity() const { return m_opacity; } - - void setOpaque(bool opaque) { m_opaque = opaque; setNeedsCommit(); } - bool opaque() const { return m_opaque; } - - void setPosition(const FloatPoint& position) { m_position = position; setNeedsCommit(); } - FloatPoint position() const { return m_position; } - - void setZPosition(float zPosition) { m_zPosition = zPosition; setNeedsCommit(); } - float zPosition() const { return m_zPosition; } - - void setSublayerTransform(const TransformationMatrix& transform) { m_sublayerTransform = transform; setNeedsCommit(); } - const TransformationMatrix& sublayerTransform() const { return m_sublayerTransform; } - - void setTransform(const TransformationMatrix& transform) { m_transform = transform; setNeedsCommit(); } - const TransformationMatrix& transform() const { return m_transform; } - - // FIXME: This setting is currently ignored. - void setGeometryFlipped(bool flipped) { m_geometryFlipped = flipped; setNeedsCommit(); } - bool geometryFlipped() const { return m_geometryFlipped; } - - const TransformationMatrix& drawTransform() const { return m_drawTransform; } - float drawOpacity() const { return m_drawOpacity; } - - bool preserves3D() { return m_owner && m_owner->preserves3D(); } - - // Derived types must override this method if they need to react to a change - // in the LayerRendererChromium. - virtual void setLayerRenderer(LayerRendererChromium*); - - void setOwner(GraphicsLayerChromium* owner) { m_owner = owner; } - - // Returns the rect containtaining this layer in the current view's coordinate system. - const IntRect getDrawRect() const; - - // These methods typically need to be overwritten by derived classes. - virtual bool drawsContent() { return false; } - virtual void updateContentsIfDirty() { } - virtual void draw() { } - - void drawDebugBorder(); - - RenderSurfaceChromium* createRenderSurface(); - - // Stores values that are shared between instances of this class that are - // associated with the same LayerRendererChromium (and hence the same GL - // context). - class SharedValues { - public: - explicit SharedValues(GraphicsContext3D*); - ~SharedValues(); - - GraphicsContext3D* context() const { return m_context; } - unsigned quadVerticesVbo() const { return m_quadVerticesVbo; } - unsigned quadElementsVbo() const { return m_quadElementsVbo; } - int maxTextureSize() const { return m_maxTextureSize; } - unsigned borderShaderProgram() const { return m_borderShaderProgram; } - int borderShaderMatrixLocation() const { return m_borderShaderMatrixLocation; } - int borderShaderColorLocation() const { return m_borderShaderColorLocation; } - bool initialized() const { return m_initialized; } - - private: - GraphicsContext3D* m_context; - unsigned m_quadVerticesVbo; - unsigned m_quadElementsVbo; - int m_maxTextureSize; - unsigned m_borderShaderProgram; - int m_borderShaderMatrixLocation; - int m_borderShaderColorLocation; - bool m_initialized; - }; - - static void prepareForDraw(const SharedValues*); - - LayerRendererChromium* layerRenderer() const { return m_layerRenderer.get(); } - - static unsigned createShaderProgram(GraphicsContext3D*, const char* vertexShaderSource, const char* fragmentShaderSource); - - static void drawTexturedQuad(GraphicsContext3D*, const TransformationMatrix& projectionMatrix, const TransformationMatrix& layerMatrix, - float width, float height, float opacity, - int matrixLocation, int alphaLocation); - -protected: - GraphicsLayerChromium* m_owner; - LayerChromium(GraphicsLayerChromium* owner); - - // This is called to clean up resources being held in the same context as - // layerRendererContext(). Subclasses should override this method if they - // hold context-dependent resources such as textures. - virtual void cleanupResources(); - - GraphicsContext3D* layerRendererContext() const; - - // Returns true if any of the layer's descendants has content to draw. - bool descendantsDrawContent(); - - static void toGLMatrix(float*, const TransformationMatrix&); - - IntSize m_bounds; - FloatRect m_dirtyRect; - bool m_contentsDirty; - - // Render surface this layer draws into. This is a surface that can belong - // either to this layer (if m_targetRenderSurface == m_renderSurface) or - // to an ancestor of this layer. The target render surface determines the - // coordinate system the layer's transforms are relative to. - RenderSurfaceChromium* m_targetRenderSurface; - - // All layer shaders share the same attribute locations for the vertex positions - // and texture coordinates. This allows switching shaders without rebinding attribute - // arrays. - static const unsigned s_positionAttribLocation; - static const unsigned s_texCoordAttribLocation; - -private: - void setNeedsCommit(); - - void setSuperlayer(LayerChromium* superlayer) { m_superlayer = superlayer; } - - size_t numSublayers() const - { - return m_sublayers.size(); - } - - // Returns the index of the sublayer or -1 if not found. - int indexOfSublayer(const LayerChromium*); - - // This should only be called from removeFromSuperlayer. - void removeSublayer(LayerChromium*); - - bool descendantsDrawContentRecursive(); - - Vector<RefPtr<LayerChromium> > m_sublayers; - LayerChromium* m_superlayer; - - // Layer properties. - IntSize m_backingStoreSize; - FloatPoint m_position; - FloatPoint m_anchorPoint; - Color m_backgroundColor; - Color m_borderColor; - float m_opacity; - float m_zPosition; - float m_anchorPointZ; - float m_borderWidth; - float m_drawOpacity; - bool m_clearsContext; - bool m_doubleSided; - bool m_hidden; - bool m_masksToBounds; - bool m_opaque; - bool m_geometryFlipped; - bool m_needsDisplayOnBoundsChange; - - // The global depth value of the center of the layer. This value is used - // to sort layers from back to front. - float m_drawDepth; - - // Points to the layer renderer that updates and draws this layer. - RefPtr<LayerRendererChromium> m_layerRenderer; - - FloatRect m_frame; - TransformationMatrix m_transform; - TransformationMatrix m_sublayerTransform; - TransformationMatrix m_drawTransform; - - // The scissor rectangle that should be used when this layer is drawn. - // Inherited by the parent layer and further restricted if this layer masks - // to bounds. - IntRect m_scissorRect; - - // Render surface associated with this layer. The layer and its descendants - // will render to this surface. - OwnPtr<RenderSurfaceChromium> m_renderSurface; - - // Hierarchical bounding rect containing the layer and its descendants. - IntRect m_drawableContentRect; - - String m_name; -}; - -} -#endif // USE(ACCELERATED_COMPOSITING) - -#endif |