| /* |
| * Copyright (C) 2010 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_HWUI_DISPLAY_LIST_RENDERER_H |
| #define ANDROID_HWUI_DISPLAY_LIST_RENDERER_H |
| |
| #include <SkChunkAlloc.h> |
| #include <SkFlattenable.h> |
| #include <SkMatrix.h> |
| #include <SkPaint.h> |
| #include <SkPath.h> |
| #include <SkRefCnt.h> |
| #include <SkTDArray.h> |
| #include <SkTSearch.h> |
| |
| #include <cutils/compiler.h> |
| |
| #include "DisplayListLogBuffer.h" |
| #include "OpenGLRenderer.h" |
| #include "utils/Functor.h" |
| |
| namespace android { |
| namespace uirenderer { |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Defines |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| #define MIN_WRITER_SIZE 4096 |
| |
| // Debug |
| #if DEBUG_DISPLAY_LIST |
| #define DISPLAY_LIST_LOGD(...) ALOGD(__VA_ARGS__) |
| #else |
| #define DISPLAY_LIST_LOGD(...) |
| #endif |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Display list |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| class DisplayListRenderer; |
| |
| /** |
| * Replays recorded drawing commands. |
| */ |
| class DisplayList { |
| public: |
| DisplayList(const DisplayListRenderer& recorder); |
| ANDROID_API ~DisplayList(); |
| |
| // IMPORTANT: Update the intialization of OP_NAMES in the .cpp file |
| // when modifying this file |
| enum Op { |
| // Non-drawing operations |
| Save = 0, |
| Restore, |
| RestoreToCount, |
| SaveLayer, |
| SaveLayerAlpha, |
| Translate, |
| Rotate, |
| Scale, |
| Skew, |
| SetMatrix, |
| ConcatMatrix, |
| ClipRect, |
| // Drawing operations |
| DrawDisplayList, |
| DrawLayer, |
| DrawBitmap, |
| DrawBitmapMatrix, |
| DrawBitmapRect, |
| DrawBitmapMesh, |
| DrawPatch, |
| DrawColor, |
| DrawRect, |
| DrawRoundRect, |
| DrawCircle, |
| DrawOval, |
| DrawArc, |
| DrawPath, |
| DrawLines, |
| DrawPoints, |
| DrawText, |
| DrawPosText, |
| ResetShader, |
| SetupShader, |
| ResetColorFilter, |
| SetupColorFilter, |
| ResetShadow, |
| SetupShadow, |
| ResetPaintFilter, |
| SetupPaintFilter, |
| DrawGLFunction, |
| }; |
| |
| static const char* OP_NAMES[]; |
| |
| void initFromDisplayListRenderer(const DisplayListRenderer& recorder, bool reusing = false); |
| |
| ANDROID_API size_t getSize(); |
| |
| bool replay(OpenGLRenderer& renderer, Rect& dirty, uint32_t level = 0); |
| |
| void output(OpenGLRenderer& renderer, uint32_t level = 0); |
| |
| ANDROID_API static void outputLogBuffer(int fd); |
| |
| void setRenderable(bool renderable) { |
| mIsRenderable = renderable; |
| } |
| |
| bool isRenderable() const { |
| return mIsRenderable; |
| } |
| |
| private: |
| void init(); |
| |
| void clearResources(); |
| |
| class TextContainer { |
| public: |
| size_t length() const { |
| return mByteLength; |
| } |
| |
| const char* text() const { |
| return (const char*) mText; |
| } |
| |
| size_t mByteLength; |
| const char* mText; |
| }; |
| |
| SkBitmap* getBitmap() { |
| return (SkBitmap*) getInt(); |
| } |
| |
| SkiaShader* getShader() { |
| return (SkiaShader*) getInt(); |
| } |
| |
| SkiaColorFilter* getColorFilter() { |
| return (SkiaColorFilter*) getInt(); |
| } |
| |
| inline int getIndex() { |
| return mReader.readInt(); |
| } |
| |
| inline int getInt() { |
| return mReader.readInt(); |
| } |
| |
| inline uint32_t getUInt() { |
| return mReader.readU32(); |
| } |
| |
| SkMatrix* getMatrix() { |
| return (SkMatrix*) getInt(); |
| } |
| |
| SkPath* getPath() { |
| return (SkPath*) getInt(); |
| } |
| |
| SkPaint* getPaint(OpenGLRenderer& renderer) { |
| return renderer.filterPaint((SkPaint*) getInt()); |
| } |
| |
| DisplayList* getDisplayList() { |
| return (DisplayList*) getInt(); |
| } |
| |
| inline float getFloat() { |
| return mReader.readScalar(); |
| } |
| |
| int32_t* getInts(uint32_t& count) { |
| count = getInt(); |
| return (int32_t*) mReader.skip(count * sizeof(int32_t)); |
| } |
| |
| uint32_t* getUInts(int8_t& count) { |
| count = getInt(); |
| return (uint32_t*) mReader.skip(count * sizeof(uint32_t)); |
| } |
| |
| float* getFloats(int& count) { |
| count = getInt(); |
| return (float*) mReader.skip(count * sizeof(float)); |
| } |
| |
| void getText(TextContainer* text) { |
| size_t length = text->mByteLength = getInt(); |
| text->mText = (const char*) mReader.skip(length); |
| } |
| |
| Vector<SkBitmap*> mBitmapResources; |
| Vector<SkiaColorFilter*> mFilterResources; |
| |
| Vector<SkPaint*> mPaints; |
| Vector<SkPath*> mPaths; |
| Vector<SkMatrix*> mMatrices; |
| Vector<SkiaShader*> mShaders; |
| |
| mutable SkFlattenableReadBuffer mReader; |
| |
| size_t mSize; |
| |
| bool mIsRenderable; |
| }; |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| // Renderer |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| /** |
| * Records drawing commands in a display list for latter playback. |
| */ |
| class DisplayListRenderer: public OpenGLRenderer { |
| public: |
| ANDROID_API DisplayListRenderer(); |
| virtual ~DisplayListRenderer(); |
| |
| ANDROID_API DisplayList* getDisplayList(DisplayList* displayList); |
| |
| virtual void setViewport(int width, int height); |
| virtual void prepareDirty(float left, float top, float right, float bottom, bool opaque); |
| virtual void finish(); |
| |
| virtual bool callDrawGLFunction(Functor *functor, Rect& dirty); |
| |
| virtual void interrupt(); |
| virtual void resume(); |
| |
| virtual int save(int flags); |
| virtual void restore(); |
| virtual void restoreToCount(int saveCount); |
| |
| virtual int saveLayer(float left, float top, float right, float bottom, |
| SkPaint* p, int flags); |
| virtual int saveLayerAlpha(float left, float top, float right, float bottom, |
| int alpha, 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); |
| |
| virtual void setMatrix(SkMatrix* matrix); |
| virtual void concatMatrix(SkMatrix* matrix); |
| |
| virtual bool clipRect(float left, float top, float right, float bottom, SkRegion::Op op); |
| |
| virtual bool drawDisplayList(DisplayList* displayList, uint32_t width, uint32_t height, |
| Rect& dirty, uint32_t level = 0); |
| virtual void drawLayer(Layer* layer, float x, float y, SkPaint* paint); |
| virtual void drawBitmap(SkBitmap* bitmap, float left, float top, SkPaint* paint); |
| virtual void drawBitmap(SkBitmap* bitmap, SkMatrix* matrix, SkPaint* paint); |
| virtual void drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop, |
| float srcRight, float srcBottom, float dstLeft, float dstTop, |
| float dstRight, float dstBottom, SkPaint* paint); |
| virtual void drawBitmapMesh(SkBitmap* bitmap, int meshWidth, int meshHeight, |
| float* vertices, int* colors, SkPaint* paint); |
| virtual void drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs, |
| const uint32_t* colors, uint32_t width, uint32_t height, int8_t numColors, |
| float left, float top, float right, float bottom, SkPaint* paint); |
| virtual void drawColor(int color, SkXfermode::Mode mode); |
| virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint); |
| virtual void drawRoundRect(float left, float top, float right, float bottom, |
| float rx, float ry, SkPaint* paint); |
| virtual void drawCircle(float x, float y, float radius, SkPaint* paint); |
| virtual void drawOval(float left, float top, float right, float bottom, SkPaint* paint); |
| virtual void drawArc(float left, float top, float right, float bottom, |
| float startAngle, float sweepAngle, bool useCenter, SkPaint* paint); |
| virtual void drawPath(SkPath* path, SkPaint* paint); |
| virtual void drawLines(float* points, int count, SkPaint* paint); |
| virtual void drawPoints(float* points, int count, SkPaint* paint); |
| virtual void drawText(const char* text, int bytesCount, int count, float x, float y, |
| SkPaint* paint, float length = 1.0f); |
| virtual void drawPosText(const char* text, int bytesCount, int count, const float* positions, |
| SkPaint* paint); |
| |
| virtual void resetShader(); |
| virtual void setupShader(SkiaShader* shader); |
| |
| virtual void resetColorFilter(); |
| virtual void setupColorFilter(SkiaColorFilter* filter); |
| |
| virtual void resetShadow(); |
| virtual void setupShadow(float radius, float dx, float dy, int color); |
| |
| virtual void resetPaintFilter(); |
| virtual void setupPaintFilter(int clearBits, int setBits); |
| |
| ANDROID_API void reset(); |
| |
| const SkWriter32& writeStream() const { |
| return mWriter; |
| } |
| |
| const Vector<SkBitmap*>& getBitmapResources() const { |
| return mBitmapResources; |
| } |
| |
| const Vector<SkiaColorFilter*>& getFilterResources() const { |
| return mFilterResources; |
| } |
| |
| const Vector<SkiaShader*>& getShaders() const { |
| return mShaders; |
| } |
| |
| const Vector<SkPaint*>& getPaints() const { |
| return mPaints; |
| } |
| |
| const Vector<SkPath*>& getPaths() const { |
| return mPaths; |
| } |
| |
| const Vector<SkMatrix*>& getMatrices() const { |
| return mMatrices; |
| } |
| |
| private: |
| void insertRestoreToCount() { |
| if (mRestoreSaveCount >= 0) { |
| mWriter.writeInt(DisplayList::RestoreToCount); |
| addInt(mRestoreSaveCount); |
| mRestoreSaveCount = -1; |
| } |
| } |
| |
| inline void addOp(DisplayList::Op drawOp) { |
| insertRestoreToCount(); |
| mWriter.writeInt(drawOp); |
| mHasDrawOps = mHasDrawOps || drawOp >= DisplayList::DrawDisplayList; |
| } |
| |
| inline void addInt(int value) { |
| mWriter.writeInt(value); |
| } |
| |
| inline void addSize(uint32_t w, uint32_t h) { |
| mWriter.writeInt(w); |
| mWriter.writeInt(h); |
| } |
| |
| void addInts(const int32_t* values, uint32_t count) { |
| mWriter.writeInt(count); |
| for (uint32_t i = 0; i < count; i++) { |
| mWriter.writeInt(values[i]); |
| } |
| } |
| |
| void addUInts(const uint32_t* values, int8_t count) { |
| mWriter.writeInt(count); |
| for (int8_t i = 0; i < count; i++) { |
| mWriter.writeInt(values[i]); |
| } |
| } |
| |
| inline void addFloat(float value) { |
| mWriter.writeScalar(value); |
| } |
| |
| void addFloats(const float* values, int count) { |
| mWriter.writeInt(count); |
| for (int i = 0; i < count; i++) { |
| mWriter.writeScalar(values[i]); |
| } |
| } |
| |
| inline void addPoint(float x, float y) { |
| mWriter.writeScalar(x); |
| mWriter.writeScalar(y); |
| } |
| |
| inline void addBounds(float left, float top, float right, float bottom) { |
| mWriter.writeScalar(left); |
| mWriter.writeScalar(top); |
| mWriter.writeScalar(right); |
| mWriter.writeScalar(bottom); |
| } |
| |
| inline void addText(const void* text, size_t byteLength) { |
| mWriter.writeInt(byteLength); |
| mWriter.writePad(text, byteLength); |
| } |
| |
| inline void addPath(SkPath* path) { |
| if (!path) { |
| addInt((int) NULL); |
| return; |
| } |
| |
| SkPath* pathCopy = mPathMap.valueFor(path); |
| if (pathCopy == NULL || pathCopy->getGenerationID() != path->getGenerationID()) { |
| pathCopy = new SkPath(*path); |
| mPathMap.add(path, pathCopy); |
| mPaths.add(pathCopy); |
| } |
| |
| addInt((int) pathCopy); |
| } |
| |
| inline void addPaint(SkPaint* paint) { |
| if (!paint) { |
| addInt((int) NULL); |
| return; |
| } |
| |
| SkPaint* paintCopy = mPaintMap.valueFor(paint); |
| if (paintCopy == NULL || paintCopy->getGenerationID() != paint->getGenerationID()) { |
| paintCopy = new SkPaint(*paint); |
| mPaintMap.add(paint, paintCopy); |
| mPaints.add(paintCopy); |
| } |
| |
| addInt((int) paintCopy); |
| } |
| |
| inline void addDisplayList(DisplayList* displayList) { |
| // TODO: To be safe, the display list should be ref-counted in the |
| // resources cache, but we rely on the caller (UI toolkit) to |
| // do the right thing for now |
| addInt((int) displayList); |
| } |
| |
| inline void addMatrix(SkMatrix* matrix) { |
| // Copying the matrix is cheap and prevents against the user changing the original |
| // matrix before the operation that uses it |
| SkMatrix* copy = new SkMatrix(*matrix); |
| addInt((int) copy); |
| mMatrices.add(copy); |
| } |
| |
| inline void addBitmap(SkBitmap* bitmap) { |
| // Note that this assumes the bitmap is immutable. There are cases this won't handle |
| // correctly, such as creating the bitmap from scratch, drawing with it, changing its |
| // contents, and drawing again. The only fix would be to always copy it the first time, |
| // which doesn't seem worth the extra cycles for this unlikely case. |
| addInt((int) bitmap); |
| mBitmapResources.add(bitmap); |
| Caches::getInstance().resourceCache.incrementRefcount(bitmap); |
| } |
| |
| inline void addShader(SkiaShader* shader) { |
| if (!shader) { |
| addInt((int) NULL); |
| return; |
| } |
| |
| SkiaShader* shaderCopy = mShaderMap.valueFor(shader); |
| // TODO: We also need to handle generation ID changes in compose shaders |
| if (shaderCopy == NULL || shaderCopy->getGenerationId() != shader->getGenerationId()) { |
| shaderCopy = shader->copy(); |
| mShaderMap.add(shader, shaderCopy); |
| mShaders.add(shaderCopy); |
| Caches::getInstance().resourceCache.incrementRefcount(shaderCopy); |
| } |
| |
| addInt((int) shaderCopy); |
| } |
| |
| inline void addColorFilter(SkiaColorFilter* colorFilter) { |
| addInt((int) colorFilter); |
| mFilterResources.add(colorFilter); |
| Caches::getInstance().resourceCache.incrementRefcount(colorFilter); |
| } |
| |
| Vector<SkBitmap*> mBitmapResources; |
| Vector<SkiaColorFilter*> mFilterResources; |
| |
| Vector<SkPaint*> mPaints; |
| DefaultKeyedVector<SkPaint*, SkPaint*> mPaintMap; |
| |
| Vector<SkPath*> mPaths; |
| DefaultKeyedVector<SkPath*, SkPath*> mPathMap; |
| |
| Vector<SkiaShader*> mShaders; |
| DefaultKeyedVector<SkiaShader*, SkiaShader*> mShaderMap; |
| |
| Vector<SkMatrix*> mMatrices; |
| |
| SkWriter32 mWriter; |
| |
| int mRestoreSaveCount; |
| bool mHasDrawOps; |
| |
| friend class DisplayList; |
| |
| }; // class DisplayListRenderer |
| |
| }; // namespace uirenderer |
| }; // namespace android |
| |
| #endif // ANDROID_HWUI_DISPLAY_LIST_RENDERER_H |