Merge "Add display lists caching."

This commit is contained in:
Romain Guy
2010-09-29 13:37:37 -07:00
committed by Android (Google) Code Review
12 changed files with 797 additions and 126 deletions

View File

@@ -0,0 +1,55 @@
/*
* 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.
*/
package android.view;
/**
* A display lists records a series of graphics related operation and can replay
* them later. Display lists are usually built by recording operations on a
* {@link android.graphics.Canvas}. Replaying the operations from a display list
* avoids executing views drawing code on every frame, and is thus much more
* efficient.
*/
abstract class DisplayList {
/**
* Starts recording the display list. All operations performed on the
* returned canvas are recorded and stored in this display list.
*
* @return A canvas to record drawing operations.
*/
abstract HardwareCanvas start();
/**
* Ends the recording for this display list. A display list cannot be
* replayed if recording is not finished.
*/
abstract void end();
/**
* Frees resources taken by this display list. This method must be called
* before releasing all references.
*/
abstract void destroy();
/**
* Indicates whether this display list can be replayed or not.
*
* @return True if the display list can be replayed, false otherwise.
*
* @see android.view.HardwareCanvas#drawDisplayList(DisplayList)
*/
abstract boolean isReady();
}

View File

@@ -35,14 +35,10 @@ import android.text.SpannableString;
import android.text.SpannedString;
import android.text.TextUtils;
import javax.microedition.khronos.opengles.GL;
/**
* An implementation of Canvas on top of OpenGL ES 2.0.
*/
class GLES20Canvas extends Canvas {
@SuppressWarnings({"FieldCanBeLocal", "UnusedDeclaration"})
private final GL mGl;
class GLES20Canvas extends HardwareCanvas {
private final boolean mOpaque;
private int mRenderer;
@@ -72,27 +68,29 @@ class GLES20Canvas extends Canvas {
///////////////////////////////////////////////////////////////////////////
// Constructors
///////////////////////////////////////////////////////////////////////////
GLES20Canvas(boolean translucent) {
this(false, translucent);
}
GLES20Canvas(GL gl, boolean translucent) {
mGl = gl;
GLES20Canvas(boolean record, boolean translucent) {
mOpaque = !translucent;
mRenderer = nCreateRenderer();
if (record) {
mRenderer = nCreateDisplayListRenderer();
} else {
mRenderer = nCreateRenderer();
}
if (mRenderer == 0) {
throw new IllegalStateException("Could not create GLES20Canvas renderer");
}
}
private native int nCreateRenderer();
/**
* This method <strong>must</strong> be called before releasing a
* reference to a GLES20Canvas. This method is responsible for freeing
* native resources associated with the hardware. Not invoking this
* method properly can result in memory leaks.
*
* @hide
*/
private native int nCreateRenderer();
private native int nCreateDisplayListRenderer();
@Override
public synchronized void destroy() {
if (mRenderer != 0) {
nDestroyRenderer(mRenderer);
@@ -105,16 +103,6 @@ class GLES20Canvas extends Canvas {
///////////////////////////////////////////////////////////////////////////
// Canvas management
///////////////////////////////////////////////////////////////////////////
@Override
public boolean isHardwareAccelerated() {
return true;
}
@Override
public void setBitmap(Bitmap bitmap) {
throw new UnsupportedOperationException();
}
@Override
public boolean isOpaque() {
@@ -145,12 +133,14 @@ class GLES20Canvas extends Canvas {
private native void nSetViewport(int renderer, int width, int height);
@Override
void onPreDraw() {
nPrepare(mRenderer);
}
private native void nPrepare(int renderer);
@Override
void onPostDraw() {
nFinish(mRenderer);
}
@@ -177,6 +167,29 @@ class GLES20Canvas extends Canvas {
}
private native void nReleaseContext(int renderer);
///////////////////////////////////////////////////////////////////////////
// Display list
///////////////////////////////////////////////////////////////////////////
int getDisplayList() {
return nCreateDisplayList(mRenderer);
}
private native int nCreateDisplayList(int renderer);
void destroyDisplayList(int displayList) {
nDestroyDisplayList(displayList);
}
private native void nDestroyDisplayList(int displayList);
@Override
public void drawDisplayList(DisplayList displayList) {
nDrawDisplayList(mRenderer, ((GLES20DisplayList) displayList).mNativeDisplayList);
}
private native void nDrawDisplayList(int renderer, int displayList);
///////////////////////////////////////////////////////////////////////////
// Clipping

View File

@@ -0,0 +1,74 @@
/*
* 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.
*/
package android.view;
/**
* An implementation of display list for OpenGL ES 2.0.
*/
class GLES20DisplayList extends DisplayList {
private GLES20Canvas mCanvas;
private boolean mStarted = false;
private boolean mRecorded = false;
int mNativeDisplayList;
@Override
HardwareCanvas start() {
if (mStarted) {
throw new IllegalStateException("Recording has already started");
}
destroyCanvas();
mCanvas = new GLES20Canvas(true, true);
mStarted = true;
mRecorded = false;
return mCanvas;
}
private void destroyCanvas() {
if (mCanvas != null) {
mCanvas.destroyDisplayList(mNativeDisplayList);
mCanvas.destroy();
mCanvas = null;
mNativeDisplayList = 0;
}
}
@Override
void end() {
if (mCanvas != null) {
mStarted = false;
mRecorded = true;
mNativeDisplayList = mCanvas.getDisplayList();
}
}
@Override
void destroy() {
destroyCanvas();
}
@Override
boolean isReady() {
return !mStarted && mRecorded;
}
}

View File

@@ -0,0 +1,60 @@
/*
* 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.
*/
package android.view;
import android.graphics.Bitmap;
import android.graphics.Canvas;
/**
* Hardware accelerated canvas.
*/
abstract class HardwareCanvas extends Canvas {
@Override
public boolean isHardwareAccelerated() {
return true;
}
@Override
public void setBitmap(Bitmap bitmap) {
throw new UnsupportedOperationException();
}
/**
* This method <strong>must</strong> be called before releasing a
* reference to a hardware canvas. This method is responsible for
* freeing native resources associated with the hardware. Not
* invoking this method properly can result in memory leaks.
*/
public abstract void destroy();
/**
* Invoked before any drawing operation is performed in this canvas.
*/
abstract void onPreDraw();
/**
* Invoked after all drawing operation have been performed.
*/
abstract void onPostDraw();
/**
* Draws the specified display list onto this canvas.
*
* @param displayList The display list to replay.
*/
public abstract void drawDisplayList(DisplayList displayList);
}

View File

@@ -102,6 +102,14 @@ public abstract class HardwareRenderer {
*/
abstract void draw(View view, View.AttachInfo attachInfo, int yOffset);
/**
* Creates a new canvas that can be used to record drawing operations
* in the specified display list.
*
* @return A new recording canvas.
*/
abstract DisplayList createDisplayList();
/**
* Initializes the hardware renderer for the specified surface and setup the
* renderer for drawing, if needed. This is invoked when the ViewRoot has
@@ -577,7 +585,7 @@ public abstract class HardwareRenderer {
@Override
GLES20Canvas createCanvas() {
return mGlCanvas = new GLES20Canvas(mGl, true);
return mGlCanvas = new GLES20Canvas(true);
}
@Override
@@ -590,6 +598,11 @@ public abstract class HardwareRenderer {
mGlCanvas.onPostDraw();
}
@Override
DisplayList createDisplayList() {
return new GLES20DisplayList();
}
static HardwareRenderer create(boolean translucent) {
if (GLES20Canvas.isAvailable()) {
return new Gl20Renderer(translucent);

View File

@@ -1250,12 +1250,12 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
*/
private static final int[][] VIEW_STATE_SETS;
static final int VIEW_STATE_WINDOW_FOCUSED = 1<<0;
static final int VIEW_STATE_SELECTED = 1<<1;
static final int VIEW_STATE_FOCUSED = 1<<2;
static final int VIEW_STATE_ENABLED = 1<<3;
static final int VIEW_STATE_PRESSED = 1<<4;
static final int VIEW_STATE_ACTIVATED = 1<<5;
static final int VIEW_STATE_WINDOW_FOCUSED = 1;
static final int VIEW_STATE_SELECTED = 1 << 1;
static final int VIEW_STATE_FOCUSED = 1 << 2;
static final int VIEW_STATE_ENABLED = 1 << 3;
static final int VIEW_STATE_PRESSED = 1 << 4;
static final int VIEW_STATE_ACTIVATED = 1 << 5;
static final int[] VIEW_STATE_IDS = new int[] {
R.attr.state_window_focused, VIEW_STATE_WINDOW_FOCUSED,
@@ -1268,28 +1268,23 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
static {
int[] orderedIds = new int[VIEW_STATE_IDS.length];
for (int i=0; i<R.styleable.ViewDrawableStates.length; i++) {
for (int i = 0; i < R.styleable.ViewDrawableStates.length; i++) {
int viewState = R.styleable.ViewDrawableStates[i];
for (int j=0; j<VIEW_STATE_IDS.length; j+=2) {
for (int j = 0; j<VIEW_STATE_IDS.length; j += 2) {
if (VIEW_STATE_IDS[j] == viewState) {
orderedIds[i*2] = viewState;
orderedIds[i*2+1] = VIEW_STATE_IDS[j+1];
orderedIds[i * 2] = viewState;
orderedIds[i * 2 + 1] = VIEW_STATE_IDS[j + 1];
}
}
}
final int NUM_BITS = VIEW_STATE_IDS.length/2;
VIEW_STATE_SETS = new int[1<<NUM_BITS][];
for (int i=0; i<VIEW_STATE_SETS.length; i++) {
final int NUM_BITS = VIEW_STATE_IDS.length / 2;
VIEW_STATE_SETS = new int[1 << NUM_BITS][];
for (int i = 0; i < VIEW_STATE_SETS.length; i++) {
int numBits = Integer.bitCount(i);
int[] set = new int[numBits];
int pos = 0;
for (int j=0; j<orderedIds.length; j+=2) {
if ((i&orderedIds[j+1]) != 0) {
if (false) {
Log.i("View", "Index #" + i + " @ ordered #" + j
+ " resid=0x" + Integer.toHexString(orderedIds[j])
+ " mask " + orderedIds[j+1]);
}
for (int j = 0; j < orderedIds.length; j += 2) {
if ((i & orderedIds[j+1]) != 0) {
set[pos++] = orderedIds[j];
}
}
@@ -1958,6 +1953,7 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
private Bitmap mDrawingCache;
private Bitmap mUnscaledDrawingCache;
private DisplayList mDisplayList;
/**
* When this view has focus and the next focus is {@link #FOCUS_LEFT},
@@ -7316,6 +7312,64 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
return (mViewFlags & DRAWING_CACHE_ENABLED) == DRAWING_CACHE_ENABLED;
}
/**
* <p>Returns a display list that can be used to draw this view again
* without executing its draw method.</p>
*
* @return A DisplayList ready to replay, or null if caching is not enabled.
*/
DisplayList getDisplayList() {
if ((mViewFlags & WILL_NOT_CACHE_DRAWING) == WILL_NOT_CACHE_DRAWING) {
return null;
}
if (mAttachInfo == null || mAttachInfo.mHardwareRenderer == null) {
return null;
}
if ((mViewFlags & DRAWING_CACHE_ENABLED) == DRAWING_CACHE_ENABLED &&
((mPrivateFlags & DRAWING_CACHE_VALID) == 0 || mDisplayList == null)) {
if (mDisplayList != null) {
mDisplayList.destroy();
}
mDisplayList = mAttachInfo.mHardwareRenderer.createDisplayList();
final HardwareCanvas canvas = mDisplayList.start();
try {
int width = mRight - mLeft;
int height = mBottom - mTop;
canvas.setViewport(width, height);
canvas.onPreDraw();
final int restoreCount = canvas.save();
mPrivateFlags |= DRAWN;
mPrivateFlags |= DRAWING_CACHE_VALID;
// Fast path for layouts with no backgrounds
if ((mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) {
mPrivateFlags &= ~DIRTY_MASK;
dispatchDraw(canvas);
} else {
draw(canvas);
}
canvas.restoreToCount(restoreCount);
} finally {
canvas.onPostDraw();
mDisplayList.end();
canvas.destroy();
}
}
return mDisplayList;
}
/**
* <p>Calling this method is equivalent to calling <code>getDrawingCache(false)</code>.</p>
*
@@ -7383,6 +7437,10 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
mUnscaledDrawingCache.recycle();
mUnscaledDrawingCache = null;
}
if (mDisplayList != null) {
mDisplayList.destroy();
mDisplayList = null;
}
}
/**
@@ -10167,7 +10225,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback, Accessibility
IBinder mPanelParentWindowToken;
Surface mSurface;
boolean mHardwareAccelerated;
boolean mHardwareAccelerated;
HardwareRenderer mHardwareRenderer;
/**
* Scale factor used by the compatibility mode

View File

@@ -1830,8 +1830,7 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
boolean scalingRequired = false;
boolean caching = false;
if (!canvas.isHardwareAccelerated() &&
(flags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE ||
if ((flags & FLAG_CHILDREN_DRAWN_WITH_CACHE) == FLAG_CHILDREN_DRAWN_WITH_CACHE ||
(flags & FLAG_ALWAYS_DRAWN_WITH_CACHE) == FLAG_ALWAYS_DRAWN_WITH_CACHE) {
caching = true;
if (mAttachInfo != null) scalingRequired = mAttachInfo.mScalingRequired;
@@ -1914,12 +1913,18 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
final int sx = child.mScrollX;
final int sy = child.mScrollY;
DisplayList displayList = null;
Bitmap cache = null;
if (caching) {
cache = child.getDrawingCache(true);
if (!canvas.isHardwareAccelerated()) {
cache = child.getDrawingCache(true);
} else {
displayList = child.getDisplayList();
}
}
final boolean hasNoCache = cache == null;
final boolean hasDisplayList = displayList != null && displayList.isReady();
final boolean hasNoCache = cache == null || hasDisplayList;
final int restoreTo = canvas.save();
if (hasNoCache) {
@@ -2002,17 +2007,21 @@ public abstract class ViewGroup extends View implements ViewParent, ViewManager
}
if (hasNoCache) {
// Fast path for layouts with no backgrounds
if ((child.mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) {
if (ViewDebug.TRACE_HIERARCHY) {
ViewDebug.trace(this, ViewDebug.HierarchyTraceType.DRAW);
if (!hasDisplayList) {
// Fast path for layouts with no backgrounds
if ((child.mPrivateFlags & SKIP_DRAW) == SKIP_DRAW) {
if (ViewDebug.TRACE_HIERARCHY) {
ViewDebug.trace(this, ViewDebug.HierarchyTraceType.DRAW);
}
child.mPrivateFlags &= ~DIRTY_MASK;
child.dispatchDraw(canvas);
} else {
child.draw(canvas);
}
child.mPrivateFlags &= ~DIRTY_MASK;
child.dispatchDraw(canvas);
} else {
child.draw(canvas);
((HardwareCanvas) canvas).drawDisplayList(displayList);
}
} else {
} else if (cache != null) {
final Paint cachePaint = mCachePaint;
if (alpha < 1.0f) {
cachePaint.setAlpha((int) (alpha * 255));

View File

@@ -196,8 +196,6 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
int mCurScrollY;
Scroller mScroller;
HardwareRenderer mHwRenderer;
final ViewConfiguration mViewConfiguration;
/**
@@ -451,10 +449,10 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
if (attrs != null &&
(attrs.flags & WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED) != 0) {
final boolean translucent = attrs.format != PixelFormat.OPAQUE;
if (mHwRenderer != null) {
mHwRenderer.destroy(true);
if (mAttachInfo.mHardwareRenderer != null) {
mAttachInfo.mHardwareRenderer.destroy(true);
}
mHwRenderer = HardwareRenderer.createGlRenderer(2, translucent);
mAttachInfo.mHardwareRenderer = HardwareRenderer.createGlRenderer(2, translucent);
mAttachInfo.mHardwareAccelerated = true;
}
}
@@ -663,8 +661,8 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
attachInfo.mWindowVisibility = viewVisibility;
host.dispatchWindowVisibilityChanged(viewVisibility);
if (viewVisibility != View.VISIBLE || mNewSurfaceNeeded) {
if (mHwRenderer != null) {
mHwRenderer.destroy(false);
if (mAttachInfo.mHardwareRenderer != null) {
mAttachInfo.mHardwareRenderer.destroy(false);
}
}
if (viewVisibility == View.GONE) {
@@ -869,8 +867,8 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
fullRedrawNeeded = true;
mPreviousTransparentRegion.setEmpty();
if (mHwRenderer != null) {
hwIntialized = mHwRenderer.initialize(mHolder);
if (mAttachInfo.mHardwareRenderer != null) {
hwIntialized = mAttachInfo.mHardwareRenderer.initialize(mHolder);
}
}
} else if (!mSurface.isValid()) {
@@ -948,8 +946,8 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
}
}
if (hwIntialized || (windowShouldResize && mHwRenderer != null)) {
mHwRenderer.setup(mWidth, mHeight);
if (hwIntialized || (windowShouldResize && mAttachInfo.mHardwareRenderer != null)) {
mAttachInfo.mHardwareRenderer.setup(mWidth, mHeight);
}
boolean focusChangedDueToTouchMode = ensureTouchModeLocally(
@@ -1262,9 +1260,9 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
dirty.union(0, 0, (int) (mWidth * appScale + 0.5f), (int) (mHeight * appScale + 0.5f));
}
if (mHwRenderer != null && mHwRenderer.isEnabled()) {
if (mAttachInfo.mHardwareRenderer != null && mAttachInfo.mHardwareRenderer.isEnabled()) {
if (!dirty.isEmpty()) {
mHwRenderer.draw(mView, mAttachInfo, yoff);
mAttachInfo.mHardwareRenderer.draw(mView, mAttachInfo, yoff);
}
if (scrolling) {
@@ -1774,8 +1772,9 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
boolean inTouchMode = msg.arg2 != 0;
ensureTouchModeLocally(inTouchMode);
if (mHwRenderer != null) {
mHwRenderer.initializeIfNeeded(mWidth, mHeight, mAttachInfo, mHolder);
if (mAttachInfo.mHardwareRenderer != null) {
mAttachInfo.mHardwareRenderer.initializeIfNeeded(mWidth, mHeight,
mAttachInfo, mHolder);
}
}
@@ -2582,9 +2581,9 @@ public final class ViewRoot extends Handler implements ViewParent, View.AttachIn
}
private void destroyHardwareRenderer() {
if (mHwRenderer != null) {
mHwRenderer.destroy(true);
mHwRenderer = null;
if (mAttachInfo.mHardwareRenderer != null) {
mAttachInfo.mHardwareRenderer.destroy(true);
mAttachInfo.mHardwareRenderer = null;
mAttachInfo.mHardwareAccelerated = false;
}
}

View File

@@ -30,6 +30,7 @@
#include <SkTemplates.h>
#include <SkXfermode.h>
#include <DisplayListRenderer.h>
#include <OpenGLDebugRenderer.h>
#include <OpenGLRenderer.h>
#include <SkiaShader.h>
@@ -378,6 +379,30 @@ static void android_view_GLES20Canvas_drawTextRun(JNIEnv* env, jobject canvas,
env->ReleaseStringChars(text, textArray);
}
// ----------------------------------------------------------------------------
// Display lists
// ----------------------------------------------------------------------------
static OpenGLRenderer* android_view_GLES20Canvas_createDisplayListRenderer(
JNIEnv* env, jobject canvas) {
return new DisplayListRenderer;
}
static DisplayList* android_view_GLES20Canvas_createDisplayList(JNIEnv* env,
jobject canvas, DisplayListRenderer* renderer) {
return renderer->getDisplayList();
}
static void android_view_GLES20Canvas_destroyDisplayList(JNIEnv* env,
jobject canvas, DisplayList* displayList) {
delete displayList;
}
static void android_view_GLES20Canvas_drawDisplayList(JNIEnv* env,
jobject canvas, OpenGLRenderer* renderer, DisplayList* displayList) {
displayList->replay(*renderer);
}
#endif // USE_OPENGL_RENDERER
// ----------------------------------------------------------------------------
@@ -455,6 +480,12 @@ static JNINativeMethod gMethods[] = {
{ "nGetClipBounds", "(ILandroid/graphics/Rect;)Z",
(void*) android_view_GLES20Canvas_getClipBounds },
{ "nCreateDisplayListRenderer", "()I", (void*) android_view_GLES20Canvas_createDisplayListRenderer },
{ "nCreateDisplayList", "(I)I", (void*) android_view_GLES20Canvas_createDisplayList },
{ "nDestroyDisplayList", "(I)V", (void*) android_view_GLES20Canvas_destroyDisplayList },
{ "nDrawDisplayList", "(II)V", (void*) android_view_GLES20Canvas_drawDisplayList },
#endif
};

View File

@@ -21,6 +21,229 @@
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Display list
///////////////////////////////////////////////////////////////////////////////
DisplayList::DisplayList(const DisplayListRenderer& recorder) {
const SkWriter32& writer = recorder.writeStream();
init();
if (writer.size() == 0) {
return;
}
size_t size = writer.size();
void* buffer = sk_malloc_throw(size);
writer.flatten(buffer);
mReader.setMemory(buffer, size);
mRCPlayback.reset(&recorder.mRCRecorder);
mRCPlayback.setupBuffer(mReader);
mTFPlayback.reset(&recorder.mTFRecorder);
mTFPlayback.setupBuffer(mReader);
const SkTDArray<const SkFlatBitmap*>& bitmaps = recorder.getBitmaps();
mBitmapCount = bitmaps.count();
if (mBitmapCount > 0) {
mBitmaps = new SkBitmap[mBitmapCount];
for (const SkFlatBitmap** flatBitmapPtr = bitmaps.begin();
flatBitmapPtr != bitmaps.end(); flatBitmapPtr++) {
const SkFlatBitmap* flatBitmap = *flatBitmapPtr;
int index = flatBitmap->index() - 1;
flatBitmap->unflatten(&mBitmaps[index], &mRCPlayback);
}
}
const SkTDArray<const SkFlatMatrix*>& matrices = recorder.getMatrices();
mMatrixCount = matrices.count();
if (mMatrixCount > 0) {
mMatrices = new SkMatrix[mMatrixCount];
for (const SkFlatMatrix** matrixPtr = matrices.begin();
matrixPtr != matrices.end(); matrixPtr++) {
const SkFlatMatrix* flatMatrix = *matrixPtr;
flatMatrix->unflatten(&mMatrices[flatMatrix->index() - 1]);
}
}
const SkTDArray<const SkFlatPaint*>& paints = recorder.getPaints();
mPaintCount = paints.count();
if (mPaintCount > 0) {
mPaints = new SkPaint[mPaintCount];
for (const SkFlatPaint** flatPaintPtr = paints.begin();
flatPaintPtr != paints.end(); flatPaintPtr++) {
const SkFlatPaint* flatPaint = *flatPaintPtr;
int index = flatPaint->index() - 1;
flatPaint->unflatten(&mPaints[index], &mRCPlayback, &mTFPlayback);
}
}
mPathHeap = recorder.mPathHeap;
mPathHeap->safeRef();
}
DisplayList::~DisplayList() {
sk_free((void*) mReader.base());
Caches& caches = Caches::getInstance();
for (int i = 0; i < mBitmapCount; i++) {
caches.textureCache.remove(&mBitmaps[i]);
}
delete[] mBitmaps;
delete[] mMatrices;
delete[] mPaints;
mPathHeap->safeUnref();
}
void DisplayList::init() {
mBitmaps = NULL;
mMatrices = NULL;
mPaints = NULL;
mPathHeap = NULL;
mBitmapCount = mMatrixCount = mPaintCount = 0;
}
void DisplayList::replay(OpenGLRenderer& renderer) {
TextContainer text;
mReader.rewind();
int saveCount = renderer.getSaveCount() - 1;
while (!mReader.eof()) {
switch (mReader.readInt()) {
case AcquireContext: {
renderer.acquireContext();
}
break;
case ReleaseContext: {
renderer.releaseContext();
}
break;
case Save: {
renderer.save(getInt());
}
break;
case Restore: {
renderer.restore();
}
break;
case RestoreToCount: {
renderer.restoreToCount(saveCount + getInt());
}
break;
case SaveLayer: {
renderer.saveLayer(getFloat(), getFloat(), getFloat(), getFloat(),
getPaint(), getInt());
}
break;
case Translate: {
renderer.translate(getFloat(), getFloat());
}
break;
case Rotate: {
renderer.rotate(getFloat());
}
break;
case Scale: {
renderer.scale(getFloat(), getFloat());
}
break;
case SetMatrix: {
renderer.setMatrix(getMatrix());
}
break;
case ConcatMatrix: {
renderer.concatMatrix(getMatrix());
}
break;
case ClipRect: {
renderer.clipRect(getFloat(), getFloat(), getFloat(), getFloat(),
(SkRegion::Op) getInt());
}
break;
case DrawBitmap: {
renderer.drawBitmap(getBitmap(), getFloat(), getFloat(), getPaint());
}
break;
case DrawBitmapMatrix: {
renderer.drawBitmap(getBitmap(), getMatrix(), getPaint());
}
break;
case DrawBitmapRect: {
renderer.drawBitmap(getBitmap(), getFloat(), getFloat(), getFloat(), getFloat(),
getFloat(), getFloat(), getFloat(), getFloat(), getPaint());
}
break;
case DrawPatch: {
int32_t* xDivs = NULL;
int32_t* yDivs = NULL;
uint32_t xDivsCount = 0;
uint32_t yDivsCount = 0;
SkBitmap* bitmap = getBitmap();
xDivs = getInts(xDivsCount);
yDivs = getInts(yDivsCount);
renderer.drawPatch(bitmap, xDivs, yDivs, xDivsCount, yDivsCount,
getFloat(), getFloat(), getFloat(), getFloat(), getPaint());
}
break;
case DrawColor: {
renderer.drawColor(getInt(), (SkXfermode::Mode) getInt());
}
break;
case DrawRect: {
renderer.drawRect(getFloat(), getFloat(), getFloat(), getFloat(), getPaint());
}
break;
case DrawPath: {
renderer.drawPath(getPath(), getPaint());
}
break;
case DrawLines: {
int count = 0;
float* points = getFloats(count);
renderer.drawLines(points, count, getPaint());
}
break;
case DrawText: {
getText(&text);
renderer.drawText(text.text(), text.length(), getInt(),
getFloat(), getFloat(), getPaint());
}
break;
case ResetShader: {
renderer.resetShader();
}
break;
case SetupShader: {
// TODO: Implement
}
break;
case ResetColorFilter: {
renderer.resetColorFilter();
}
break;
case SetupColorFilter: {
// TODO: Implement
}
break;
case ResetShadow: {
renderer.resetShadow();
}
break;
case SetupShadow: {
renderer.setupShadow(getFloat(), getFloat(), getFloat(), getInt());
}
break;
}
}
}
///////////////////////////////////////////////////////////////////////////////
// Base structure
///////////////////////////////////////////////////////////////////////////////
@@ -56,75 +279,89 @@ void DisplayListRenderer::reset() {
// Operations
///////////////////////////////////////////////////////////////////////////////
void DisplayListRenderer::setViewport(int width, int height) {
mOrthoMatrix.loadOrtho(0, width, height, 0, -1, 1);
mWidth = width;
mHeight = height;
}
void DisplayListRenderer::prepare() {
mSnapshot = new Snapshot(mFirstSnapshot,
SkCanvas::kMatrix_SaveFlag | SkCanvas::kClip_SaveFlag);
mSaveCount = 1;
mSnapshot->setClip(0.0f, 0.0f, mWidth, mHeight);
}
void DisplayListRenderer::acquireContext() {
addOp(AcquireContext);
addOp(DisplayList::AcquireContext);
OpenGLRenderer::acquireContext();
}
void DisplayListRenderer::releaseContext() {
addOp(ReleaseContext);
addOp(DisplayList::ReleaseContext);
OpenGLRenderer::releaseContext();
}
int DisplayListRenderer::save(int flags) {
addOp(Save);
addOp(DisplayList::Save);
addInt(flags);
return OpenGLRenderer::save(flags);
}
void DisplayListRenderer::restore() {
addOp(Restore);
addOp(DisplayList::Restore);
OpenGLRenderer::restore();
}
void DisplayListRenderer::restoreToCount(int saveCount) {
addOp(RestoreToCount);
addOp(DisplayList::RestoreToCount);
addInt(saveCount);
OpenGLRenderer::restoreToCount(saveCount);
}
int DisplayListRenderer::saveLayer(float left, float top, float right, float bottom,
const SkPaint* p, int flags) {
addOp(SaveLayer);
addOp(DisplayList::SaveLayer);
addBounds(left, top, right, bottom);
addPaint(p);
addInt(flags);
return OpenGLRenderer::saveLayer(left, top, right, bottom, p, flags);
return OpenGLRenderer::save(flags);
}
void DisplayListRenderer::translate(float dx, float dy) {
addOp(Translate);
addOp(DisplayList::Translate);
addPoint(dx, dy);
OpenGLRenderer::translate(dx, dy);
}
void DisplayListRenderer::rotate(float degrees) {
addOp(Rotate);
addOp(DisplayList::Rotate);
addFloat(degrees);
OpenGLRenderer::rotate(degrees);
}
void DisplayListRenderer::scale(float sx, float sy) {
addOp(Scale);
addOp(DisplayList::Scale);
addPoint(sx, sy);
OpenGLRenderer::scale(sx, sy);
}
void DisplayListRenderer::setMatrix(SkMatrix* matrix) {
addOp(SetMatrix);
addOp(DisplayList::SetMatrix);
addMatrix(matrix);
OpenGLRenderer::setMatrix(matrix);
}
void DisplayListRenderer::concatMatrix(SkMatrix* matrix) {
addOp(ConcatMatrix);
addOp(DisplayList::ConcatMatrix);
addMatrix(matrix);
OpenGLRenderer::concatMatrix(matrix);
}
bool DisplayListRenderer::clipRect(float left, float top, float right, float bottom,
SkRegion::Op op) {
addOp(ClipRect);
addOp(DisplayList::ClipRect);
addBounds(left, top, right, bottom);
addInt(op);
return OpenGLRenderer::clipRect(left, top, right, bottom, op);
@@ -132,88 +369,77 @@ bool DisplayListRenderer::clipRect(float left, float top, float right, float bot
void DisplayListRenderer::drawBitmap(SkBitmap* bitmap, float left, float top,
const SkPaint* paint) {
addOp(DrawBitmap);
addOp(DisplayList::DrawBitmap);
addBitmap(bitmap);
addPoint(left, top);
addPaint(paint);
OpenGLRenderer::drawBitmap(bitmap, left, top, paint);
}
void DisplayListRenderer::drawBitmap(SkBitmap* bitmap, const SkMatrix* matrix,
const SkPaint* paint) {
addOp(DrawBitmapMatrix);
addOp(DisplayList::DrawBitmapMatrix);
addBitmap(bitmap);
addMatrix(matrix);
addPaint(paint);
OpenGLRenderer::drawBitmap(bitmap, matrix, paint);
}
void DisplayListRenderer::drawBitmap(SkBitmap* bitmap, float srcLeft, float srcTop,
float srcRight, float srcBottom, float dstLeft, float dstTop,
float dstRight, float dstBottom, const SkPaint* paint) {
addOp(DrawBitmapRect);
addOp(DisplayList::DrawBitmapRect);
addBitmap(bitmap);
addBounds(srcLeft, srcTop, srcRight, srcBottom);
addBounds(dstLeft, dstTop, dstRight, dstBottom);
addPaint(paint);
OpenGLRenderer::drawBitmap(bitmap, srcLeft, srcTop, srcRight, srcBottom,
dstLeft, dstTop, dstRight, dstBottom, paint);
}
void DisplayListRenderer::drawPatch(SkBitmap* bitmap, const int32_t* xDivs, const int32_t* yDivs,
uint32_t width, uint32_t height, float left, float top, float right, float bottom,
const SkPaint* paint) {
addOp(DrawPatch);
addOp(DisplayList::DrawPatch);
addBitmap(bitmap);
addInts(xDivs, width);
addInts(yDivs, height);
addBounds(left, top, right, bottom);
addPaint(paint);
OpenGLRenderer::drawPatch(bitmap, xDivs, yDivs, width, height,
left, top, right, bottom, paint);
}
void DisplayListRenderer::drawColor(int color, SkXfermode::Mode mode) {
addOp(DrawColor);
addOp(DisplayList::DrawColor);
addInt(color);
addInt(mode);
OpenGLRenderer::drawColor(color, mode);
}
void DisplayListRenderer::drawRect(float left, float top, float right, float bottom,
const SkPaint* paint) {
addOp(DrawRect);
addOp(DisplayList::DrawRect);
addBounds(left, top, right, bottom);
addPaint(paint);
OpenGLRenderer::drawRect(left, top, right, bottom, paint);
}
void DisplayListRenderer::drawPath(SkPath* path, SkPaint* paint) {
addOp(DrawPath);
addOp(DisplayList::DrawPath);
addPath(path);
addPaint(paint);
OpenGLRenderer::drawPath(path, paint);
}
void DisplayListRenderer::drawLines(float* points, int count, const SkPaint* paint) {
addOp(DrawLines);
addOp(DisplayList::DrawLines);
addFloats(points, count);
addPaint(paint);
OpenGLRenderer::drawLines(points, count, paint);
}
void DisplayListRenderer::drawText(const char* text, int bytesCount, int count,
float x, float y, SkPaint* paint) {
addOp(DrawText);
addOp(DisplayList::DrawText);
addText(text, bytesCount);
addInt(count);
addPoint(x, y);
addPaint(paint);
OpenGLRenderer::drawText(text, bytesCount, count, x, y, paint);
}
void DisplayListRenderer::resetShader() {
addOp(ResetShader);
addOp(DisplayList::ResetShader);
OpenGLRenderer::resetShader();
}
@@ -223,7 +449,7 @@ void DisplayListRenderer::setupShader(SkiaShader* shader) {
}
void DisplayListRenderer::resetColorFilter() {
addOp(ResetColorFilter);
addOp(DisplayList::ResetColorFilter);
OpenGLRenderer::resetColorFilter();
}
@@ -233,12 +459,12 @@ void DisplayListRenderer::setupColorFilter(SkiaColorFilter* filter) {
}
void DisplayListRenderer::resetShadow() {
addOp(ResetShadow);
addOp(DisplayList::ResetShadow);
OpenGLRenderer::resetShadow();
}
void DisplayListRenderer::setupShadow(float radius, float dx, float dy, int color) {
addOp(SetupShadow);
addOp(DisplayList::SetupShadow);
addFloat(radius);
addPoint(dx, dy);
addInt(color);

View File

@@ -81,7 +81,7 @@ public:
int count() const { return mPaths.count(); }
const SkPath& operator[](int index) const {
SkPath& operator[](int index) const {
return *mPaths[index];
}
@@ -103,16 +103,18 @@ private:
};
///////////////////////////////////////////////////////////////////////////////
// Renderer
// Display list
///////////////////////////////////////////////////////////////////////////////
class DisplayListRenderer;
/**
* Records drawing commands in a display list for latter playback.
* Replays recorded drawing commands.
*/
class DisplayListRenderer: public OpenGLRenderer {
class DisplayList {
public:
DisplayListRenderer();
~DisplayListRenderer();
DisplayList(const DisplayListRenderer& recorder);
~DisplayList();
enum Op {
AcquireContext,
@@ -121,7 +123,6 @@ public:
Restore,
RestoreToCount,
SaveLayer,
SaveLayerAlpha,
Translate,
Rotate,
Scale,
@@ -145,6 +146,109 @@ public:
SetupShadow
};
void replay(OpenGLRenderer& renderer);
private:
void init();
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() {
int index = getInt();
return &mBitmaps[index - 1];
}
inline int getIndex() {
return mReader.readInt();
}
inline int getInt() {
return mReader.readInt();
}
SkMatrix* getMatrix() {
int index = getInt();
if (index == 0) {
return NULL;
}
return &mMatrices[index - 1];
}
SkPath* getPath() {
return &(*mPathHeap)[getInt() - 1];
}
SkPaint* getPaint() {
int index = getInt();
if (index == 0) {
return NULL;
}
return &mPaints[index - 1];
}
inline float getFloat() {
return mReader.readScalar();
}
int32_t* getInts(uint32_t& count) {
count = getInt();
return (int32_t*) mReader.skip(count * sizeof(int32_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);
}
PathHeap* mPathHeap;
SkBitmap* mBitmaps;
int mBitmapCount;
SkMatrix* mMatrices;
int mMatrixCount;
SkPaint* mPaints;
int mPaintCount;
mutable SkFlattenableReadBuffer mReader;
SkRefCntPlayback mRCPlayback;
SkTypefacePlayback mTFPlayback;
};
///////////////////////////////////////////////////////////////////////////////
// Renderer
///////////////////////////////////////////////////////////////////////////////
/**
* Records drawing commands in a display list for latter playback.
*/
class DisplayListRenderer: public OpenGLRenderer {
public:
DisplayListRenderer();
~DisplayListRenderer();
void setViewport(int width, int height);
void prepare();
void acquireContext();
void releaseContext();
@@ -189,8 +293,28 @@ public:
void reset();
DisplayList* getDisplayList() const {
return new DisplayList(*this);
}
const SkWriter32& writeStream() const {
return mWriter;
}
const SkTDArray<const SkFlatBitmap*>& getBitmaps() const {
return mBitmaps;
}
const SkTDArray<const SkFlatMatrix*>& getMatrices() const {
return mMatrices;
}
const SkTDArray<const SkFlatPaint*>& getPaints() const {
return mPaints;
}
private:
inline void addOp(Op drawOp) {
inline void addOp(DisplayList::Op drawOp) {
mWriter.writeInt(drawOp);
}
@@ -199,6 +323,7 @@ private:
}
void addInts(const int32_t* values, uint32_t count) {
mWriter.writeInt(count);
for (uint32_t i = 0; i < count; i++) {
mWriter.writeInt(values[i]);
}
@@ -209,6 +334,7 @@ private:
}
void addFloats(const float* values, int count) {
mWriter.writeInt(count);
for (int i = 0; i < count; i++) {
mWriter.writeScalar(values[i]);
}
@@ -273,6 +399,8 @@ private:
SkRefCntRecorder mRCRecorder;
SkRefCntRecorder mTFRecorder;
friend class DisplayList;
}; // class DisplayListRenderer
}; // namespace uirenderer

View File

@@ -54,6 +54,8 @@ namespace uirenderer {
// Renderer
///////////////////////////////////////////////////////////////////////////////
class DisplayListRenderer;
/**
* OpenGL renderer used to draw accelerated 2D graphics. The API is a
* simplified version of Skia's Canvas API.
@@ -63,7 +65,7 @@ public:
OpenGLRenderer();
virtual ~OpenGLRenderer();
void setViewport(int width, int height);
virtual void setViewport(int width, int height);
virtual void prepare();
virtual void finish();
@@ -428,6 +430,8 @@ private:
// Misc
GLint mMaxTextureSize;
friend class DisplayListRenderer;
}; // class OpenGLRenderer
}; // namespace uirenderer