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/*
* Copyright (C) 2013 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_H
#define ANDROID_HWUI_DISPLAY_LIST_H
#ifndef LOG_TAG
#define LOG_TAG "OpenGLRenderer"
#endif
#include <SkCamera.h>
#include <SkMatrix.h>
#include <private/hwui/DrawGlInfo.h>
#include <utils/RefBase.h>
#include <utils/SortedVector.h>
#include <utils/String8.h>
#include <utils/Vector.h>
#include <cutils/compiler.h>
#include "utils/LinearAllocator.h"
#include "Debug.h"
#define TRANSLATION 0x0001
#define ROTATION 0x0002
#define ROTATION_3D 0x0004
#define SCALE 0x0008
#define PIVOT 0x0010
class SkBitmap;
class SkPaint;
class SkPath;
class SkRegion;
namespace android {
namespace uirenderer {
class DeferredDisplayList;
class DisplayListOp;
class DisplayListRenderer;
class OpenGLRenderer;
class Rect;
class Layer;
class SkiaColorFilter;
class SkiaShader;
class ClipRectOp;
class SaveLayerOp;
class SaveOp;
class RestoreToCountOp;
struct DeferStateStruct {
DeferStateStruct(DeferredDisplayList& deferredList, OpenGLRenderer& renderer, int replayFlags)
: mDeferredList(deferredList), mRenderer(renderer), mReplayFlags(replayFlags) {}
DeferredDisplayList& mDeferredList;
OpenGLRenderer& mRenderer;
const int mReplayFlags;
};
struct ReplayStateStruct {
ReplayStateStruct(OpenGLRenderer& renderer, Rect& dirty, int replayFlags)
: mRenderer(renderer), mDirty(dirty), mReplayFlags(replayFlags),
mDrawGlStatus(DrawGlInfo::kStatusDone) {}
OpenGLRenderer& mRenderer;
Rect& mDirty;
const int mReplayFlags;
status_t mDrawGlStatus;
};
/**
* Refcounted structure that holds data used in display list stream
*/
class DisplayListData : public LightRefBase<DisplayListData> {
public:
LinearAllocator allocator;
Vector<DisplayListOp*> displayListOps;
};
/**
* Replays recorded drawing commands.
*/
class DisplayList {
public:
DisplayList(const DisplayListRenderer& recorder);
ANDROID_API ~DisplayList();
// See flags defined in DisplayList.java
enum ReplayFlag {
kReplayFlag_ClipChildren = 0x1
};
ANDROID_API size_t getSize();
ANDROID_API static void destroyDisplayListDeferred(DisplayList* displayList);
ANDROID_API static void outputLogBuffer(int fd);
void initFromDisplayListRenderer(const DisplayListRenderer& recorder, bool reusing = false);
void defer(DeferStateStruct& deferStruct, const int level);
void replay(ReplayStateStruct& replayStruct, const int level);
void output(uint32_t level = 0);
ANDROID_API void reset();
void setRenderable(bool renderable) {
mIsRenderable = renderable;
}
bool isRenderable() const {
return mIsRenderable;
}
void setName(const char* name) {
if (name) {
mName.setTo(name);
}
}
const char* getName() const {
return mName.string();
}
void setClipToBounds(bool clipToBounds) {
mClipToBounds = clipToBounds;
}
void setStaticMatrix(SkMatrix* matrix) {
delete mStaticMatrix;
mStaticMatrix = new SkMatrix(*matrix);
}
// Can return NULL
SkMatrix* getStaticMatrix() {
return mStaticMatrix;
}
void setAnimationMatrix(SkMatrix* matrix) {
delete mAnimationMatrix;
if (matrix) {
mAnimationMatrix = new SkMatrix(*matrix);
} else {
mAnimationMatrix = NULL;
}
}
void setAlpha(float alpha) {
alpha = fminf(1.0f, fmaxf(0.0f, alpha));
if (alpha != mAlpha) {
mAlpha = alpha;
}
}
float getAlpha() const {
return mAlpha;
}
void setHasOverlappingRendering(bool hasOverlappingRendering) {
mHasOverlappingRendering = hasOverlappingRendering;
}
bool hasOverlappingRendering() const {
return mHasOverlappingRendering;
}
void setTranslationX(float translationX) {
if (translationX != mTranslationX) {
mTranslationX = translationX;
mMatrixDirty = true;
if (mTranslationX == 0.0f && mTranslationY == 0.0f) {
mMatrixFlags &= ~TRANSLATION;
} else {
mMatrixFlags |= TRANSLATION;
}
}
}
float getTranslationX() const {
return mTranslationX;
}
void setTranslationY(float translationY) {
if (translationY != mTranslationY) {
mTranslationY = translationY;
mMatrixDirty = true;
if (mTranslationX == 0.0f && mTranslationY == 0.0f) {
mMatrixFlags &= ~TRANSLATION;
} else {
mMatrixFlags |= TRANSLATION;
}
}
}
float getTranslationY() const {
return mTranslationY;
}
void setRotation(float rotation) {
if (rotation != mRotation) {
mRotation = rotation;
mMatrixDirty = true;
if (mRotation == 0.0f) {
mMatrixFlags &= ~ROTATION;
} else {
mMatrixFlags |= ROTATION;
}
}
}
float getRotation() const {
return mRotation;
}
void setRotationX(float rotationX) {
if (rotationX != mRotationX) {
mRotationX = rotationX;
mMatrixDirty = true;
if (mRotationX == 0.0f && mRotationY == 0.0f) {
mMatrixFlags &= ~ROTATION_3D;
} else {
mMatrixFlags |= ROTATION_3D;
}
}
}
float getRotationX() const {
return mRotationX;
}
void setRotationY(float rotationY) {
if (rotationY != mRotationY) {
mRotationY = rotationY;
mMatrixDirty = true;
if (mRotationX == 0.0f && mRotationY == 0.0f) {
mMatrixFlags &= ~ROTATION_3D;
} else {
mMatrixFlags |= ROTATION_3D;
}
}
}
float getRotationY() const {
return mRotationY;
}
void setScaleX(float scaleX) {
if (scaleX != mScaleX) {
mScaleX = scaleX;
mMatrixDirty = true;
if (mScaleX == 1.0f && mScaleY == 1.0f) {
mMatrixFlags &= ~SCALE;
} else {
mMatrixFlags |= SCALE;
}
}
}
float getScaleX() const {
return mScaleX;
}
void setScaleY(float scaleY) {
if (scaleY != mScaleY) {
mScaleY = scaleY;
mMatrixDirty = true;
if (mScaleX == 1.0f && mScaleY == 1.0f) {
mMatrixFlags &= ~SCALE;
} else {
mMatrixFlags |= SCALE;
}
}
}
float getScaleY() const {
return mScaleY;
}
void setPivotX(float pivotX) {
mPivotX = pivotX;
mMatrixDirty = true;
if (mPivotX == 0.0f && mPivotY == 0.0f) {
mMatrixFlags &= ~PIVOT;
} else {
mMatrixFlags |= PIVOT;
}
mPivotExplicitlySet = true;
}
ANDROID_API float getPivotX();
void setPivotY(float pivotY) {
mPivotY = pivotY;
mMatrixDirty = true;
if (mPivotX == 0.0f && mPivotY == 0.0f) {
mMatrixFlags &= ~PIVOT;
} else {
mMatrixFlags |= PIVOT;
}
mPivotExplicitlySet = true;
}
ANDROID_API float getPivotY();
void setCameraDistance(float distance) {
if (distance != mCameraDistance) {
mCameraDistance = distance;
mMatrixDirty = true;
if (!mTransformCamera) {
mTransformCamera = new Sk3DView();
mTransformMatrix3D = new SkMatrix();
}
mTransformCamera->setCameraLocation(0, 0, distance);
}
}
float getCameraDistance() const {
return mCameraDistance;
}
void setLeft(int left) {
if (left != mLeft) {
mLeft = left;
mWidth = mRight - mLeft;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
float getLeft() const {
return mLeft;
}
void setTop(int top) {
if (top != mTop) {
mTop = top;
mHeight = mBottom - mTop;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
float getTop() const {
return mTop;
}
void setRight(int right) {
if (right != mRight) {
mRight = right;
mWidth = mRight - mLeft;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
float getRight() const {
return mRight;
}
void setBottom(int bottom) {
if (bottom != mBottom) {
mBottom = bottom;
mHeight = mBottom - mTop;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
float getBottom() const {
return mBottom;
}
void setLeftTop(int left, int top) {
if (left != mLeft || top != mTop) {
mLeft = left;
mTop = top;
mWidth = mRight - mLeft;
mHeight = mBottom - mTop;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
void setLeftTopRightBottom(int left, int top, int right, int bottom) {
if (left != mLeft || top != mTop || right != mRight || bottom != mBottom) {
mLeft = left;
mTop = top;
mRight = right;
mBottom = bottom;
mWidth = mRight - mLeft;
mHeight = mBottom - mTop;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
void offsetLeftRight(float offset) {
if (offset != 0) {
mLeft += offset;
mRight += offset;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
void offsetTopBottom(float offset) {
if (offset != 0) {
mTop += offset;
mBottom += offset;
if (mMatrixFlags > TRANSLATION && !mPivotExplicitlySet) {
mMatrixDirty = true;
}
}
}
void setCaching(bool caching) {
mCaching = caching;
}
int getWidth() {
return mWidth;
}
int getHeight() {
return mHeight;
}
private:
void outputViewProperties(const int level);
template <class T>
inline void setViewProperties(OpenGLRenderer& renderer, T& handler, const int level);
template <class T>
inline void iterate(OpenGLRenderer& renderer, T& handler, const int level);
void init();
void clearResources();
void updateMatrix();
class TextContainer {
public:
size_t length() const {
return mByteLength;
}
const char* text() const {
return (const char*) mText;
}
size_t mByteLength;
const char* mText;
};
Vector<SkBitmap*> mBitmapResources;
Vector<SkBitmap*> mOwnedBitmapResources;
Vector<SkiaColorFilter*> mFilterResources;
Vector<SkPaint*> mPaints;
Vector<SkPath*> mPaths;
SortedVector<SkPath*> mSourcePaths;
Vector<SkRegion*> mRegions;
Vector<SkMatrix*> mMatrices;
Vector<SkiaShader*> mShaders;
Vector<Layer*> mLayers;
sp<DisplayListData> mDisplayListData;
size_t mSize;
bool mIsRenderable;
uint32_t mFunctorCount;
String8 mName;
// View properties
bool mClipToBounds;
float mAlpha;
bool mHasOverlappingRendering;
float mTranslationX, mTranslationY;
float mRotation, mRotationX, mRotationY;
float mScaleX, mScaleY;
float mPivotX, mPivotY;
float mCameraDistance;
int mLeft, mTop, mRight, mBottom;
int mWidth, mHeight;
int mPrevWidth, mPrevHeight;
bool mPivotExplicitlySet;
bool mMatrixDirty;
bool mMatrixIsIdentity;
uint32_t mMatrixFlags;
SkMatrix* mTransformMatrix;
Sk3DView* mTransformCamera;
SkMatrix* mTransformMatrix3D;
SkMatrix* mStaticMatrix;
SkMatrix* mAnimationMatrix;
bool mCaching;
/**
* State operations - needed to defer displayList property operations (for example, when setting
* an alpha causes a SaveLayerAlpha to occur). These operations point into mDisplayListData's
* allocation, or null if uninitialized.
*
* These are initialized (via friend constructors) when a displayList is issued in either replay
* or deferred mode. If replaying, the ops are not used until the next frame. If deferring, the
* ops may be stored in the DeferredDisplayList to be played back a second time.
*
* They should be used at most once per frame (one call to iterate)
*/
ClipRectOp* mClipRectOp;
SaveLayerOp* mSaveLayerOp;
SaveOp* mSaveOp;
RestoreToCountOp* mRestoreToCountOp;
}; // class DisplayList
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_OPENGL_RENDERER_H
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