diff options
Diffstat (limited to 'libs/hwui/OpenGLRenderer.h')
| -rw-r--r-- | libs/hwui/OpenGLRenderer.h | 586 |
1 files changed, 234 insertions, 352 deletions
diff --git a/libs/hwui/OpenGLRenderer.h b/libs/hwui/OpenGLRenderer.h index 9afb7ad4f2d2..0f953a5abb1c 100644 --- a/libs/hwui/OpenGLRenderer.h +++ b/libs/hwui/OpenGLRenderer.h @@ -21,12 +21,14 @@ #include <GLES2/gl2ext.h> #include <SkBitmap.h> +#include <SkCanvas.h> +#include <SkColorFilter.h> #include <SkMatrix.h> #include <SkPaint.h> #include <SkRegion.h> -#include <SkShader.h> #include <SkXfermode.h> +#include <utils/Blur.h> #include <utils/Functor.h> #include <utils/RefBase.h> #include <utils/SortedVector.h> @@ -41,16 +43,24 @@ #include "Matrix.h" #include "Program.h" #include "Rect.h" +#include "Renderer.h" #include "Snapshot.h" -#include "Vertex.h" -#include "SkiaShader.h" -#include "SkiaColorFilter.h" +#include "StatefulBaseRenderer.h" #include "UvMapper.h" +#include "Vertex.h" #include "Caches.h" +#include "CanvasProperty.h" + +class SkShader; namespace android { namespace uirenderer { +class DeferredDisplayState; +class RenderNode; +class TextSetupFunctor; +class VertexBuffer; + struct DrawModifiers { DrawModifiers() { reset(); @@ -60,17 +70,8 @@ struct DrawModifiers { memset(this, 0, sizeof(DrawModifiers)); } - SkiaShader* mShader; - SkiaColorFilter* mColorFilter; float mOverrideLayerAlpha; - // Drop shadow - bool mHasShadow; - float mShadowRadius; - float mShadowDx; - float mShadowDy; - int mShadowColor; - // Draw filters bool mHasDrawFilter; int mPaintFilterClearBits; @@ -82,12 +83,6 @@ enum StateDeferFlags { kStateDeferFlag_Clip = 0x2 }; -enum DrawOpMode { - kDrawOpMode_Immediate, - kDrawOpMode_Defer, - kDrawOpMode_Flush -}; - enum ClipSideFlags { kClipSide_None = 0x0, kClipSide_Left = 0x1, @@ -98,105 +93,47 @@ enum ClipSideFlags { kClipSide_ConservativeFull = 0x1F }; -/////////////////////////////////////////////////////////////////////////////// -// Renderer -/////////////////////////////////////////////////////////////////////////////// - -class DeferredDisplayState; -class DisplayList; -class TextSetupFunctor; -class VertexBuffer; - /** - * OpenGL renderer used to draw accelerated 2D graphics. The API is a - * simplified version of Skia's Canvas API. + * Defines additional transformation that should be applied by the model view matrix, beyond that of + * the currentTransform() */ -class OpenGLRenderer { -public: - ANDROID_API OpenGLRenderer(); - virtual ~OpenGLRenderer(); - +enum ModelViewMode { /** - * Sets the name of this renderer. The name is optional and - * empty by default. If the pointer is null the name is set - * to the empty string. + * Used when the model view should simply translate geometry passed to the shader. The resulting + * matrix will be a simple translation. */ - ANDROID_API void setName(const char* name); + kModelViewMode_Translate = 0, /** - * Returns the name of this renderer as UTF8 string. - * The returned pointer is never null. + * Used when the model view should translate and scale geometry. The resulting matrix will be a + * translation + scale. This is frequently used together with VBO 0, the (0,0,1,1) rect. */ - ANDROID_API const char* getName() const; - - /** - * Read externally defined properties to control the behavior - * of the renderer. - */ - ANDROID_API void initProperties(); + kModelViewMode_TranslateAndScale = 1, +}; - /** - * Indicates whether this renderer executes drawing commands immediately. - * If this method returns true, the drawing commands will be executed - * later. - */ - virtual bool isDeferred(); +enum VertexBufferMode { + kVertexBufferMode_Standard = 0, + kVertexBufferMode_OnePolyRingShadow = 1, + kVertexBufferMode_TwoPolyRingShadow = 2 +}; - /** - * Sets the dimension of the underlying drawing surface. This method must - * be called at least once every time the drawing surface changes size. - * - * @param width The width in pixels of the underlysing surface - * @param height The height in pixels of the underlysing surface - */ - virtual void setViewport(int width, int height); +/////////////////////////////////////////////////////////////////////////////// +// Renderer +/////////////////////////////////////////////////////////////////////////////// +/** + * OpenGL Renderer implementation. + */ +class OpenGLRenderer : public StatefulBaseRenderer { +public: + ANDROID_API OpenGLRenderer(); + virtual ~OpenGLRenderer(); - /** - * Prepares the renderer to draw a frame. This method must be invoked - * at the beginning of each frame. When this method is invoked, the - * entire drawing surface is assumed to be redrawn. - * - * @param opaque If true, the target surface is considered opaque - * and will not be cleared. If false, the target surface - * will be cleared - */ - ANDROID_API status_t prepare(bool opaque); + ANDROID_API void initProperties(); - /** - * Prepares the renderer to draw a frame. This method must be invoked - * at the beginning of each frame. Only the specified rectangle of the - * frame is assumed to be dirty. A clip will automatically be set to - * the specified rectangle. - * - * @param left The left coordinate of the dirty rectangle - * @param top The top coordinate of the dirty rectangle - * @param right The right coordinate of the dirty rectangle - * @param bottom The bottom coordinate of the dirty rectangle - * @param opaque If true, the target surface is considered opaque - * and will not be cleared. If false, the target surface - * will be cleared in the specified dirty rectangle - */ + virtual void onViewportInitialized(); virtual status_t prepareDirty(float left, float top, float right, float bottom, bool opaque); - - /** - * Indicates the end of a frame. This method must be invoked whenever - * the caller is done rendering a frame. - */ virtual void finish(); - - /** - * This method must be invoked before handing control over to a draw functor. - * See callDrawGLFunction() for instance. - * - * This command must not be recorded inside display lists. - */ virtual void interrupt(); - - /** - * This method must be invoked after getting control back from a draw functor. - * - * This command must not be recorded inside display lists. - */ virtual void resume(); ANDROID_API void setCountOverdrawEnabled(bool enabled) { @@ -207,9 +144,6 @@ public: return mCountOverdraw ? mOverdraw : 0.0f; } - ANDROID_API status_t invokeFunctors(Rect& dirty); - ANDROID_API void detachFunctor(Functor* functor); - ANDROID_API void attachFunctor(Functor* functor); virtual status_t callDrawGLFunction(Functor* functor, Rect& dirty); ANDROID_API void pushLayerUpdate(Layer* layer); @@ -217,116 +151,70 @@ public: ANDROID_API void clearLayerUpdates(); ANDROID_API void flushLayerUpdates(); - ANDROID_API int getSaveCount() const; - virtual int save(int flags); - virtual void restore(); - virtual void restoreToCount(int saveCount); - - ANDROID_API int saveLayer(float left, float top, float right, float bottom, - SkPaint* paint, int flags) { - SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode; - if (paint) mode = getXfermode(paint->getXfermode()); - return saveLayer(left, top, right, bottom, paint ? paint->getAlpha() : 255, mode, flags); - } - ANDROID_API int saveLayerAlpha(float left, float top, float right, float bottom, - int alpha, int flags) { - return saveLayer(left, top, right, bottom, alpha, SkXfermode::kSrcOver_Mode, flags); - } - virtual int saveLayer(float left, float top, float right, float bottom, - int alpha, SkXfermode::Mode mode, int flags); - - int saveLayerDeferred(float left, float top, float right, float bottom, - int alpha, SkXfermode::Mode mode, int flags); - - virtual void translate(float dx, float dy); - virtual void rotate(float degrees); - virtual void scale(float sx, float sy); - virtual void skew(float sx, float sy); - - bool hasRectToRectTransform(); - ANDROID_API void getMatrix(SkMatrix* matrix); - virtual void setMatrix(SkMatrix* matrix); - virtual void concatMatrix(SkMatrix* matrix); - - ANDROID_API const Rect& getClipBounds(); - - /** - * Performs a quick reject but adjust the bounds to account for stroke width if necessary, - * and handling snapOut for AA geometry. - */ - bool quickRejectPreStroke(float left, float top, float right, float bottom, SkPaint* paint); - - /** - * Returns false and sets scissor based upon bounds if drawing won't be clipped out - */ - bool quickReject(float left, float top, float right, float bottom, bool snapOut = false); - bool quickReject(const Rect& bounds) { - return quickReject(bounds.left, bounds.top, bounds.right, bounds.bottom); + ANDROID_API virtual int saveLayer(float left, float top, float right, float bottom, + const SkPaint* paint, int flags) { + return saveLayer(left, top, right, bottom, paint, flags, NULL); } - /** - * Same as quickReject, without the scissor, instead returning clipRequired through pointer. - * clipRequired will be only set if not rejected - */ - ANDROID_API bool quickRejectNoScissor(float left, float top, float right, float bottom, - bool snapOut = false, bool* clipRequired = NULL); - bool quickRejectNoScissor(const Rect& bounds, bool* clipRequired = NULL) { - return quickRejectNoScissor(bounds.left, bounds.top, bounds.right, bounds.bottom, - clipRequired); - } + // Specialized saveLayer implementation, which will pass the convexMask to an FBO layer, if + // created, which will in turn clip to that mask when drawn back/restored. + int saveLayer(float left, float top, float right, float bottom, + const SkPaint* paint, int flags, const SkPath* convexMask); - virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); - virtual bool clipPath(SkPath* path, SkRegion::Op op); - virtual bool clipRegion(SkRegion* region, SkRegion::Op op); - virtual Rect* getClipRect(); + int saveLayerDeferred(float left, float top, float right, float bottom, + const SkPaint* paint, int flags); - virtual status_t drawDisplayList(DisplayList* displayList, Rect& dirty, int32_t replayFlags); - virtual void outputDisplayList(DisplayList* displayList); + virtual status_t drawDisplayList(RenderNode* displayList, Rect& dirty, int32_t replayFlags = 1); virtual status_t drawLayer(Layer* layer, float x, float y); - virtual status_t drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); - status_t drawBitmaps(SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, - TextureVertex* vertices, bool pureTranslate, const Rect& bounds, SkPaint* paint); - virtual status_t drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); - virtual status_t drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, + virtual status_t drawBitmap(const SkBitmap* bitmap, float left, float top, + const SkPaint* paint); + status_t drawBitmaps(const SkBitmap* bitmap, AssetAtlas::Entry* entry, int bitmapCount, + TextureVertex* vertices, bool pureTranslate, const Rect& bounds, const SkPaint* paint); + virtual status_t drawBitmap(const SkBitmap* bitmap, const SkMatrix& matrix, + const SkPaint* paint); + virtual status_t drawBitmap(const SkBitmap* bitmap, float srcLeft, float srcTop, float srcRight, float srcBottom, float dstLeft, float dstTop, - float dstRight, float dstBottom, SkPaint* paint); - virtual status_t drawBitmapData(SkBitmap* bitmap, float left, float top, SkPaint* paint); - virtual status_t drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, - float* vertices, int* colors, SkPaint* paint); - status_t drawPatches(SkBitmap* bitmap, AssetAtlas::Entry* entry, - TextureVertex* vertices, uint32_t indexCount, SkPaint* paint); - virtual status_t drawPatch(SkBitmap* bitmap, Res_png_9patch* patch, - float left, float top, float right, float bottom, SkPaint* paint); - status_t drawPatch(SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, - float left, float top, float right, float bottom, SkPaint* paint); + float dstRight, float dstBottom, const SkPaint* paint); + virtual status_t drawBitmapData(const SkBitmap* bitmap, float left, float top, + const SkPaint* paint); + virtual status_t drawBitmapMesh(const SkBitmap* bitmap, int meshWidth, int meshHeight, + const float* vertices, const int* colors, const SkPaint* paint); + status_t drawPatches(const SkBitmap* bitmap, AssetAtlas::Entry* entry, + TextureVertex* vertices, uint32_t indexCount, const SkPaint* paint); + virtual status_t drawPatch(const SkBitmap* bitmap, const Res_png_9patch* patch, + float left, float top, float right, float bottom, const SkPaint* paint); + status_t drawPatch(const SkBitmap* bitmap, const Patch* mesh, AssetAtlas::Entry* entry, + float left, float top, float right, float bottom, const SkPaint* paint); virtual status_t drawColor(int color, SkXfermode::Mode mode); - virtual status_t drawRect(float left, float top, float right, float bottom, SkPaint* paint); + virtual status_t drawRect(float left, float top, float right, float bottom, + const SkPaint* paint); virtual status_t drawRoundRect(float left, float top, float right, float bottom, - float rx, float ry, SkPaint* paint); - virtual status_t drawCircle(float x, float y, float radius, SkPaint* paint); - virtual status_t drawOval(float left, float top, float right, float bottom, SkPaint* paint); + float rx, float ry, const SkPaint* paint); + virtual status_t drawCircle(float x, float y, float radius, const SkPaint* paint); + virtual status_t drawCircle(CanvasPropertyPrimitive* x, CanvasPropertyPrimitive* y, + CanvasPropertyPrimitive* radius, CanvasPropertyPaint* paint) { + // TODO: Remove once android_view_GLES20Canvas uses DisplayListRenderer + // directly + return drawCircle(x->value, y->value, radius->value, &paint->value); + } + virtual status_t drawOval(float left, float top, float right, float bottom, + const SkPaint* paint); virtual status_t drawArc(float left, float top, float right, float bottom, - float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); - virtual status_t drawPath(SkPath* path, SkPaint* paint); - virtual status_t drawLines(float* points, int count, SkPaint* paint); - virtual status_t drawPoints(float* points, int count, SkPaint* paint); - virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, SkPath* path, - float hOffset, float vOffset, SkPaint* paint); + float startAngle, float sweepAngle, bool useCenter, const SkPaint* paint); + virtual status_t drawPath(const SkPath* path, const SkPaint* paint); + virtual status_t drawLines(const float* points, int count, const SkPaint* paint); + virtual status_t drawPoints(const float* points, int count, const SkPaint* paint); + virtual status_t drawTextOnPath(const char* text, int bytesCount, int count, const SkPath* path, + float hOffset, float vOffset, const SkPaint* paint); virtual status_t drawPosText(const char* text, int bytesCount, int count, - const float* positions, SkPaint* paint); + const float* positions, const SkPaint* paint); virtual status_t drawText(const char* text, int bytesCount, int count, float x, float y, - const float* positions, SkPaint* paint, float totalAdvance, const Rect& bounds, + const float* positions, const SkPaint* paint, float totalAdvance, const Rect& bounds, DrawOpMode drawOpMode = kDrawOpMode_Immediate); - virtual status_t drawRects(const float* rects, int count, SkPaint* paint); - - virtual void resetShader(); - virtual void setupShader(SkiaShader* shader); + virtual status_t drawRects(const float* rects, int count, const SkPaint* paint); - virtual void resetColorFilter(); - virtual void setupColorFilter(SkiaColorFilter* filter); - - virtual void resetShadow(); - virtual void setupShadow(float radius, float dx, float dy, int color); + status_t drawShadow(const mat4& casterTransformXY, const mat4& casterTransformZ, + float casterAlpha, bool casterUnclipped, const SkPath* casterPerimeter); virtual void resetPaintFilter(); virtual void setupPaintFilter(int clearBits, int setBits); @@ -334,7 +222,7 @@ public: // If this value is set to < 1.0, it overrides alpha set on layer (see drawBitmap, drawLayer) void setOverrideLayerAlpha(float alpha) { mDrawModifiers.mOverrideLayerAlpha = alpha; } - SkPaint* filterPaint(SkPaint* paint); + const SkPaint* filterPaint(const SkPaint* paint); /** * Store the current display state (most importantly, the current clip and transform), and @@ -350,7 +238,7 @@ public: void setDrawModifiers(const DrawModifiers& drawModifiers) { mDrawModifiers = drawModifiers; } ANDROID_API bool isCurrentTransformSimple() { - return mSnapshot->transform->isSimple(); + return currentTransform()->isSimple(); } Caches& getCaches() { @@ -362,8 +250,8 @@ public: return mSnapshot->clipRegion->isEmpty(); } - int getViewportWidth() { return getSnapshot()->viewport.getWidth(); } - int getViewportHeight() { return getSnapshot()->viewport.getHeight(); } + int getViewportWidth() { return currentSnapshot()->getViewportWidth(); } + int getViewportHeight() { return currentSnapshot()->getViewportHeight(); } /** * Scales the alpha on the current snapshot. This alpha value will be modulated @@ -400,12 +288,12 @@ public: * @param alpha Where to store the resulting alpha * @param mode Where to store the resulting xfermode */ - static inline void getAlphaAndModeDirect(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { + static inline void getAlphaAndModeDirect(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) { *mode = getXfermodeDirect(paint); *alpha = getAlphaDirect(paint); } - static inline SkXfermode::Mode getXfermodeDirect(SkPaint* paint) { + static inline SkXfermode::Mode getXfermodeDirect(const SkPaint* paint) { if (!paint) return SkXfermode::kSrcOver_Mode; return getXfermode(paint->getXfermode()); } @@ -415,6 +303,31 @@ public: return paint->getAlpha(); } + struct TextShadow { + SkScalar radius; + float dx; + float dy; + SkColor color; + }; + + static inline bool getTextShadow(const SkPaint* paint, TextShadow* textShadow) { + SkDrawLooper::BlurShadowRec blur; + if (paint && paint->getLooper() && paint->getLooper()->asABlurShadow(&blur)) { + if (textShadow) { + textShadow->radius = Blur::convertSigmaToRadius(blur.fSigma); + textShadow->dx = blur.fOffset.fX; + textShadow->dy = blur.fOffset.fY; + textShadow->color = blur.fColor; + } + return true; + } + return false; + } + + static inline bool hasTextShadow(const SkPaint* paint) { + return getTextShadow(paint, NULL); + } + /** * Return the best transform to use to rasterize text given a full * transform matrix. @@ -437,12 +350,6 @@ public: protected: /** - * Computes the projection matrix, initialize the first snapshot - * and stores the dimensions of the render target. - */ - void initViewport(int width, int height); - - /** * Perform the setup specific to a frame. This method does not * issue any OpenGL commands. */ @@ -477,6 +384,13 @@ protected: */ void attachStencilBufferToLayer(Layer* layer); + bool quickRejectSetupScissor(float left, float top, float right, float bottom, + const SkPaint* paint = NULL); + bool quickRejectSetupScissor(const Rect& bounds, const SkPaint* paint = NULL) { + return quickRejectSetupScissor(bounds.left, bounds.top, + bounds.right, bounds.bottom, paint); + } + /** * Compose the layer defined in the current snapshot with the layer * defined by the previous snapshot. @@ -486,7 +400,7 @@ protected: * @param curent The current snapshot containing the layer to compose * @param previous The previous snapshot to compose the current layer with */ - virtual void composeLayer(sp<Snapshot> current, sp<Snapshot> previous); + virtual void composeLayer(const Snapshot& current, const Snapshot& previous); /** * Marks the specified region as dirty at the specified bounds. @@ -494,13 +408,6 @@ protected: void dirtyLayerUnchecked(Rect& bounds, Region* region); /** - * Returns the current snapshot. - */ - sp<Snapshot> getSnapshot() const { - return mSnapshot; - } - - /** * Returns the region of the current layer. */ virtual Region* getRegion() const { @@ -517,7 +424,7 @@ protected: /** * Returns the name of the FBO this renderer is rendering into. */ - virtual GLint getTargetFbo() const { + virtual GLuint getTargetFbo() const { return 0; } @@ -538,25 +445,29 @@ protected: * @param alpha Where to store the resulting alpha * @param mode Where to store the resulting xfermode */ - inline void getAlphaAndMode(SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; + inline void getAlphaAndMode(const SkPaint* paint, int* alpha, SkXfermode::Mode* mode) const; /** * Gets the alpha from a layer, accounting for snapshot alpha and overrideLayerAlpha * * @param layer The layer from which the alpha is extracted */ - inline float getLayerAlpha(Layer* layer) const; + inline float getLayerAlpha(const Layer* layer) const; /** - * Safely retrieves the mode from the specified xfermode. If the specified - * xfermode is null, the mode is assumed to be SkXfermode::kSrcOver_Mode. + * Safely retrieves the ColorFilter from the given Paint. If the paint is + * null then null is returned. */ - static inline SkXfermode::Mode getXfermode(SkXfermode* mode) { - SkXfermode::Mode resultMode; - if (!SkXfermode::AsMode(mode, &resultMode)) { - resultMode = SkXfermode::kSrcOver_Mode; - } - return resultMode; + static inline SkColorFilter* getColorFilter(const SkPaint* paint) { + return paint ? paint->getColorFilter() : NULL; + } + + /** + * Safely retrieves the Shader from the given Paint. If the paint is + * null then null is returned. + */ + static inline const SkShader* getShader(const SkPaint* paint) { + return paint ? paint->getShader() : NULL; } /** @@ -582,12 +493,11 @@ private: /** * Tells the GPU what part of the screen is about to be redrawn. - * This method will use the clip rect that we started drawing the - * frame with. + * This method will use the current layer space clip rect. * This method needs to be invoked every time getTargetFbo() is * bound again. */ - void startTiling(const sp<Snapshot>& snapshot, bool opaque = false); + void startTilingCurrentClip(bool opaque = false); /** * Tells the GPU what part of the screen is about to be redrawn. @@ -602,23 +512,7 @@ private: */ void endTiling(); - /** - * Saves the current state of the renderer as a new snapshot. - * The new snapshot is saved in mSnapshot and the previous snapshot - * is linked from mSnapshot->previous. - * - * @param flags The save flags; see SkCanvas for more information - * - * @return The new save count. This value can be passed to #restoreToCount() - */ - int saveSnapshot(int flags); - - /** - * Restores the current snapshot; mSnapshot becomes mSnapshot->previous. - * - * @return True if the clip was modified. - */ - bool restoreSnapshot(); + void onSnapshotRestored(const Snapshot& removed, const Snapshot& restored); /** * Sets the clipping rectangle using glScissor. The clip is defined by @@ -654,12 +548,12 @@ private: * @param alpha The translucency of the layer * @param mode The blending mode of the layer * @param flags The layer save flags - * @param previousFbo The name of the current framebuffer + * @param mask A mask to use when drawing the layer back, may be empty * * @return True if the layer was successfully created, false otherwise */ bool createLayer(float left, float top, float right, float bottom, - int alpha, SkXfermode::Mode mode, int flags, GLuint previousFbo); + const SkPaint* paint, int flags, const SkPath* convexMask); /** * Creates a new layer stored in the specified snapshot as an FBO. @@ -667,9 +561,8 @@ private: * @param layer The layer to store as an FBO * @param snapshot The snapshot associated with the new layer * @param bounds The bounds of the layer - * @param previousFbo The name of the current framebuffer */ - bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip, GLuint previousFbo); + bool createFboLayer(Layer* layer, Rect& bounds, Rect& clip); /** * Compose the specified layer as a region. @@ -716,12 +609,11 @@ private: * @param top The top coordinate of the rectangle * @param right The right coordinate of the rectangle * @param bottom The bottom coordinate of the rectangle - * @param color The rectangle's ARGB color, defined as a packed 32 bits word - * @param mode The Skia xfermode to use + * @param paint The paint containing the color, blending mode, etc. * @param ignoreTransform True if the current transform should be ignored */ void drawColorRect(float left, float top, float right, float bottom, - int color, SkXfermode::Mode mode, bool ignoreTransform = false); + const SkPaint* paint, bool ignoreTransform = false); /** * Draws a series of colored rectangles with the specified color. The specified @@ -730,15 +622,13 @@ private: * * @param rects A list of rectangles, 4 floats (left, top, right, bottom) * per rectangle - * @param color The rectangles' ARGB color, defined as a packed 32 bits word - * @param mode The Skia xfermode to use + * @param paint The paint containing the color, blending mode, etc. * @param ignoreTransform True if the current transform should be ignored * @param dirty True if calling this method should dirty the current layer * @param clip True if the rects should be clipped, false otherwise */ - status_t drawColorRects(const float* rects, int count, int color, - SkXfermode::Mode mode, bool ignoreTransform = false, - bool dirty = true, bool clip = true); + status_t drawColorRects(const float* rects, int count, const SkPaint* paint, + bool ignoreTransform = false, bool dirty = true, bool clip = true); /** * Draws the shape represented by the specified path texture. @@ -751,7 +641,7 @@ private: * @param texture The texture reprsenting the shape * @param paint The paint to draw the shape with */ - status_t drawShape(float left, float top, const PathTexture* texture, SkPaint* paint); + status_t drawShape(float left, float top, const PathTexture* texture, const SkPaint* paint); /** * Draws the specified texture as an alpha bitmap. Alpha bitmaps obey @@ -762,7 +652,7 @@ private: * @param top The y coordinate of the bitmap * @param paint The paint to render with */ - void drawAlphaBitmap(Texture* texture, float left, float top, SkPaint* paint); + void drawAlphaBitmap(Texture* texture, float left, float top, const SkPaint* paint); /** * Renders a strip of polygons with the specified paint, used for tessellated geometry. @@ -771,8 +661,8 @@ private: * @param paint The paint to render with * @param useOffset Offset the vertexBuffer (used in drawing non-AA lines) */ - status_t drawVertexBuffer(const VertexBuffer& vertexBuffer, SkPaint* paint, - bool useOffset = false); + status_t drawVertexBuffer(VertexBufferMode mode, const VertexBuffer& vertexBuffer, + const SkPaint* paint, bool useOffset = false); /** * Renders the convex hull defined by the specified path as a strip of polygons. @@ -780,23 +670,7 @@ private: * @param path The hull of the path to draw * @param paint The paint to render with */ - status_t drawConvexPath(const SkPath& path, SkPaint* paint); - - /** - * Draws a textured rectangle with the specified texture. The specified coordinates - * are transformed by the current snapshot's transform matrix. - * - * @param left The left coordinate of the rectangle - * @param top The top coordinate of the rectangle - * @param right The right coordinate of the rectangle - * @param bottom The bottom coordinate of the rectangle - * @param texture The texture name to map onto the rectangle - * @param alpha An additional translucency parameter, between 0.0f and 1.0f - * @param mode The blending mode - * @param blend True if the texture contains an alpha channel - */ - void drawTextureRect(float left, float top, float right, float bottom, GLuint texture, - float alpha, SkXfermode::Mode mode, bool blend); + status_t drawConvexPath(const SkPath& path, const SkPaint* paint); /** * Draws a textured rectangle with the specified texture. The specified coordinates @@ -810,7 +684,7 @@ private: * @param paint The paint containing the alpha, blending mode, etc. */ void drawTextureRect(float left, float top, float right, float bottom, - Texture* texture, SkPaint* paint); + Texture* texture, const SkPaint* paint); /** * Draws a textured mesh with the specified texture. If the indices are omitted, @@ -822,8 +696,7 @@ private: * @param right The right coordinate of the rectangle * @param bottom The bottom coordinate of the rectangle * @param texture The texture name to map onto the rectangle - * @param alpha An additional translucency parameter, between 0.0f and 1.0f - * @param mode The blending mode + * @param paint The paint containing the alpha, blending mode, colorFilter, etc. * @param blend True if the texture contains an alpha channel * @param vertices The vertices that define the mesh * @param texCoords The texture coordinates of each vertex @@ -831,32 +704,33 @@ private: * @param swapSrcDst Whether or not the src and dst blending operations should be swapped * @param ignoreTransform True if the current transform should be ignored * @param vbo The VBO used to draw the mesh - * @param ignoreScale True if the model view matrix should not be scaled + * @param modelViewMode Defines whether the model view matrix should be scaled * @param dirty True if calling this method should dirty the current layer */ void drawTextureMesh(float left, float top, float right, float bottom, GLuint texture, - float alpha, SkXfermode::Mode mode, bool blend, + const SkPaint* paint, bool blend, GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, - bool ignoreScale = false, bool dirty = true); + ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); void drawIndexedTextureMesh(float left, float top, float right, float bottom, GLuint texture, - float alpha, SkXfermode::Mode mode, bool blend, + const SkPaint* paint, bool blend, GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, bool swapSrcDst = false, bool ignoreTransform = false, GLuint vbo = 0, - bool ignoreScale = false, bool dirty = true); + ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, bool dirty = true); void drawAlpha8TextureMesh(float left, float top, float right, float bottom, - GLuint texture, bool hasColor, int color, int alpha, SkXfermode::Mode mode, + GLuint texture, const SkPaint* paint, GLvoid* vertices, GLvoid* texCoords, GLenum drawMode, GLsizei elementsCount, - bool ignoreTransform, bool ignoreScale = false, bool dirty = true); + bool ignoreTransform, ModelViewMode modelViewMode = kModelViewMode_TranslateAndScale, + bool dirty = true); /** * Draws the specified list of vertices as quads using indexed GL_TRIANGLES. * If the number of vertices to draw exceeds the number of indices we have * pre-allocated, this method will generate several glDrawElements() calls. */ - void drawIndexedQuads(Vertex* mesh, GLsizei quadsCount); + void issueIndexedQuadDraw(Vertex* mesh, GLsizei quadsCount); /** * Draws text underline and strike-through if needed. @@ -868,8 +742,7 @@ private: * @param y The y coordinate where the text will be drawn * @param paint The paint to draw the text with */ - void drawTextDecorations(const char* text, int bytesCount, float totalAdvance, - float x, float y, SkPaint* paint); + void drawTextDecorations(float totalAdvance, float x, float y, const SkPaint* paint); /** * Draws shadow layer on text (with optional positions). @@ -881,12 +754,11 @@ private: * @param positions The x, y positions of individual glyphs (or NULL) * @param fontRenderer The font renderer object * @param alpha The alpha value for drawing the shadow - * @param mode The xfermode for drawing the shadow * @param x The x coordinate where the shadow will be drawn * @param y The y coordinate where the shadow will be drawn */ - void drawTextShadow(SkPaint* paint, const char* text, int bytesCount, int count, - const float* positions, FontRenderer& fontRenderer, int alpha, SkXfermode::Mode mode, + void drawTextShadow(const SkPaint* paint, const char* text, int bytesCount, int count, + const float* positions, FontRenderer& fontRenderer, int alpha, float x, float y); /** @@ -898,7 +770,7 @@ private: * @param y The y coordinate where the texture will be drawn * @param paint The paint to draw the texture with */ - void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint); + void drawPathTexture(const PathTexture* texture, float x, float y, const SkPaint* paint); /** * Resets the texture coordinates stored in mMeshVertices. Setting the values @@ -970,33 +842,51 @@ private: void setupDrawColor(float r, float g, float b, float a); void setupDrawAlpha8Color(int color, int alpha); void setupDrawTextGamma(const SkPaint* paint); - void setupDrawShader(); - void setupDrawColorFilter(); - void setupDrawBlending(SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, - bool swapSrcDst = false); - void setupDrawBlending(bool blend = true, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode, - bool swapSrcDst = false); + void setupDrawShader(const SkShader* shader); + void setupDrawColorFilter(const SkColorFilter* filter); + void setupDrawBlending(const Layer* layer, bool swapSrcDst = false); + void setupDrawBlending(const SkPaint* paint, bool blend = true, bool swapSrcDst = false); void setupDrawProgram(); void setupDrawDirtyRegionsDisabled(); - void setupDrawModelViewIdentity(bool offset = false); - void setupDrawModelView(float left, float top, float right, float bottom, - bool ignoreTransform = false, bool ignoreModelView = false); - void setupDrawModelViewTranslate(float left, float top, float right, float bottom, - bool ignoreTransform = false); - void setupDrawColorUniforms(); + + /** + * Setup the current program matrices based upon the nature of the geometry. + * + * @param mode If kModelViewMode_Translate, the geometry must be translated by the left and top + * parameters. If kModelViewMode_TranslateAndScale, the geometry that exists in the (0,0, 1,1) + * space must be scaled up and translated to fill the quad provided in (l,t,r,b). These + * transformations are stored in the modelView matrix and uploaded to the shader. + * + * @param offset Set to true if the the matrix should be fudged (translated) slightly to disambiguate + * geometry pixel positioning. See Vertex::GeometryFudgeFactor(). + * + * @param ignoreTransform Set to true if l,t,r,b coordinates already in layer space, + * currentTransform() will be ignored. (e.g. when drawing clip in layer coordinates to stencil, + * or when simple translation has been extracted) + */ + void setupDrawModelView(ModelViewMode mode, bool offset, + float left, float top, float right, float bottom, bool ignoreTransform = false); + void setupDrawColorUniforms(bool hasShader); void setupDrawPureColorUniforms(); - void setupDrawShaderIdentityUniforms(); - void setupDrawShaderUniforms(bool ignoreTransform = false); - void setupDrawColorFilterUniforms(); + + /** + * Setup uniforms for the current shader. + * + * @param shader SkShader on the current paint. + * + * @param ignoreTransform Set to true to ignore the transform in shader. + */ + void setupDrawShaderUniforms(const SkShader* shader, bool ignoreTransform = false); + void setupDrawColorFilterUniforms(const SkColorFilter* paint); void setupDrawSimpleMesh(); void setupDrawTexture(GLuint texture); void setupDrawExternalTexture(GLuint texture); void setupDrawTextureTransform(); void setupDrawTextureTransformUniforms(mat4& transform); void setupDrawTextGammaUniforms(); - void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords = NULL, GLuint vbo = 0); - void setupDrawMesh(GLvoid* vertices, GLvoid* texCoords, GLvoid* colors); - void setupDrawMeshIndices(GLvoid* vertices, GLvoid* texCoords, GLuint vbo = 0); + void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords = NULL, GLuint vbo = 0); + void setupDrawMesh(const GLvoid* vertices, const GLvoid* texCoords, const GLvoid* colors); + void setupDrawMeshIndices(const GLvoid* vertices, const GLvoid* texCoords, GLuint vbo = 0); void setupDrawIndexedVertices(GLvoid* vertices); void accountForClear(SkXfermode::Mode mode); @@ -1004,18 +894,19 @@ private: void updateLayers(); void flushLayers(); +#if DEBUG_LAYERS_AS_REGIONS /** * Renders the specified region as a series of rectangles. This method * is used for debugging only. */ - void drawRegionRects(const Region& region); + void drawRegionRectsDebug(const Region& region); +#endif /** * Renders the specified region as a series of rectangles. The region * must be in screen-space coordinates. */ - void drawRegionRects(const SkRegion& region, int color, SkXfermode::Mode mode, - bool dirty = false); + void drawRegionRects(const SkRegion& region, const SkPaint& paint, bool dirty = false); /** * Draws the current clip region if any. Only when DEBUG_CLIP_REGIONS @@ -1034,10 +925,6 @@ private: mDirtyClip = true; } - inline mat4& currentTransform() const { - return *mSnapshot->transform; - } - inline const UvMapper& getMapper(const Texture* texture) { return texture && texture->uvMapper ? *texture->uvMapper : mUvMapper; } @@ -1047,23 +934,24 @@ private: * come from the texture cache or an atlas. If this method returns * NULL, the texture could not be found and/or allocated. */ - Texture* getTexture(SkBitmap* bitmap); - - // Dimensions of the drawing surface - int mWidth, mHeight; - - // Matrix used for ortho projection in shaders - mat4 mOrthoMatrix; + Texture* getTexture(const SkBitmap* bitmap); - // Model-view matrix used to position/size objects - mat4 mModelView; + /** + * Model-view matrix used to position/size objects + * + * Stores operation-local modifications to the draw matrix that aren't incorporated into the + * currentTransform(). + * + * If generated with kModelViewMode_Translate, mModelViewMatrix will reflect an x/y offset, + * e.g. the offset in drawLayer(). If generated with kModelViewMode_TranslateAndScale, + * mModelViewMatrix will reflect a translation and scale, e.g. the translation and scale + * required to make VBO 0 (a rect of (0,0,1,1)) scaled to match the x,y offset, and width/height + * of a bitmap. + * + * Used as input to SkiaShader transformation. + */ + mat4 mModelViewMatrix; - // Number of saved states - int mSaveCount; - // Base state - sp<Snapshot> mFirstSnapshot; - // Current state - sp<Snapshot> mSnapshot; // State used to define the clipping region Rect mTilingClip; // Is the target render surface opaque @@ -1087,14 +975,9 @@ private: // List of rectangles to clear after saveLayer() is invoked Vector<Rect*> mLayers; - // List of functors to invoke after a frame is drawn - SortedVector<Functor*> mFunctors; // List of layers to update at the beginning of a frame Vector<Layer*> mLayerUpdates; - // Indicates whether the clip must be restored - bool mDirtyClip; - // The following fields are used to setup drawing // Used to describe the shaders to generate ProgramDescription mDescription; @@ -1122,8 +1005,7 @@ private: bool mCountOverdraw; float mOverdraw; - // Optional name of the renderer - String8 mName; + bool mSkipOutlineClip; friend class DisplayListRenderer; friend class Layer; |