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Merge "Merge all shapes/paths caches to PathCache" into jb-mr2-dev

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This commit is contained in:
Romain Guy
2013-03-19 02:04:29 +00:00
committed by Android (Google) Code Review
parent a35d380bac c46d07a29e
commit 16b7dc9c1c
14 changed files with 687 additions and 1082 deletions
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1
libs/hwui/Android.mk
View File

@@ -34,7 +34,6 @@ ifeq ($(USE_OPENGL_RENDERER),true)
ProgramCache.cpp \
RenderBufferCache.cpp \
ResourceCache.cpp \
ShapeCache.cpp \
SkiaColorFilter.cpp \
SkiaShader.cpp \
Snapshot.cpp \

20
libs/hwui/Caches.cpp
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@@ -224,16 +224,6 @@ void Caches::dumpMemoryUsage(String8 &log) {
gradientCache.getSize(), gradientCache.getMaxSize());
log.appendFormat(" PathCache %8d / %8d\n",
pathCache.getSize(), pathCache.getMaxSize());
log.appendFormat(" CircleShapeCache %8d / %8d\n",
circleShapeCache.getSize(), circleShapeCache.getMaxSize());
log.appendFormat(" OvalShapeCache %8d / %8d\n",
ovalShapeCache.getSize(), ovalShapeCache.getMaxSize());
log.appendFormat(" RoundRectShapeCache %8d / %8d\n",
roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize());
log.appendFormat(" RectShapeCache %8d / %8d\n",
rectShapeCache.getSize(), rectShapeCache.getMaxSize());
log.appendFormat(" ArcShapeCache %8d / %8d\n",
arcShapeCache.getSize(), arcShapeCache.getMaxSize());
log.appendFormat(" TextDropShadowCache %8d / %8d\n", dropShadowCache.getSize(),
dropShadowCache.getMaxSize());
for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
@@ -253,11 +243,6 @@ void Caches::dumpMemoryUsage(String8 &log) {
total += gradientCache.getSize();
total += pathCache.getSize();
total += dropShadowCache.getSize();
total += roundRectShapeCache.getSize();
total += circleShapeCache.getSize();
total += ovalShapeCache.getSize();
total += rectShapeCache.getSize();
total += arcShapeCache.getSize();
for (uint32_t i = 0; i < fontRenderer->getFontRendererCount(); i++) {
total += fontRenderer->getFontRendererSize(i);
}
@@ -325,11 +310,6 @@ void Caches::flush(FlushMode mode) {
fontRenderer->flush();
textureCache.flush();
pathCache.clear();
roundRectShapeCache.clear();
circleShapeCache.clear();
ovalShapeCache.clear();
rectShapeCache.clear();
arcShapeCache.clear();
// fall through
case kFlushMode_Layers:
layerCache.clear();

6
libs/hwui/Caches.h
View File

@@ -36,7 +36,6 @@
#include "GradientCache.h"
#include "PatchCache.h"
#include "ProgramCache.h"
#include "ShapeCache.h"
#include "PathCache.h"
#include "TextDropShadowCache.h"
#include "FboCache.h"
@@ -269,11 +268,6 @@ public:
GradientCache gradientCache;
ProgramCache programCache;
PathCache pathCache;
RoundRectShapeCache roundRectShapeCache;
CircleShapeCache circleShapeCache;
OvalShapeCache ovalShapeCache;
RectShapeCache rectShapeCache;
ArcShapeCache arcShapeCache;
PatchCache patchCache;
TextDropShadowCache dropShadowCache;
FboCache fboCache;

2
libs/hwui/Debug.h
View File

@@ -64,7 +64,7 @@
#define DEBUG_PATCHES_EMPTY_VERTICES 0
// Turn on to display debug info about shapes
#define DEBUG_SHAPES 0
#define DEBUG_PATHS 0
// Turn on to display debug info about textures
#define DEBUG_TEXTURES 0

2
libs/hwui/DeferredDisplayList.cpp
View File

@@ -17,6 +17,8 @@
#define LOG_TAG "OpenGLRenderer"
#define ATRACE_TAG ATRACE_TAG_VIEW
#include <SkCanvas.h>
#include <utils/Trace.h>
#include "Debug.h"

6
libs/hwui/DisplayList.cpp
View File

@@ -14,6 +14,8 @@
* limitations under the License.
*/
#include <SkCanvas.h>
#include "Debug.h"
#include "DisplayList.h"
#include "DisplayListOp.h"
@@ -121,9 +123,7 @@ void DisplayList::clearResources() {
}
for (size_t i = 0; i < mPaths.size(); i++) {
SkPath* path = mPaths.itemAt(i);
caches.pathCache.remove(path);
delete path;
delete mPaths.itemAt(i);
}
for (size_t i = 0; i < mMatrices.size(); i++) {

1
libs/hwui/DisplayListRenderer.cpp
View File

@@ -17,6 +17,7 @@
#define LOG_TAG "OpenGLRenderer"
#include <SkCamera.h>
#include <SkCanvas.h>
#include <private/hwui/DrawGlInfo.h>

18
libs/hwui/OpenGLRenderer.cpp
View File

@@ -2257,9 +2257,11 @@ status_t OpenGLRenderer::drawConvexPath(const SkPath& path, SkPaint* paint) {
// TODO: try clipping large paths to viewport
PathTessellator::tessellatePath(path, paint, mSnapshot->transform, vertexBuffer);
SkRect bounds = path.getBounds();
PathTessellator::expandBoundsForStroke(bounds, paint, false);
dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform());
if (hasLayer()) {
SkRect bounds = path.getBounds();
PathTessellator::expandBoundsForStroke(bounds, paint, false);
dirtyLayer(bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, currentTransform());
}
return drawVertexBuffer(vertexBuffer, paint);
}
@@ -2389,7 +2391,7 @@ status_t OpenGLRenderer::drawRoundRect(float left, float top, float right, float
if (p->getPathEffect() != 0) {
mCaches.activeTexture(0);
const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect(
const PathTexture* texture = mCaches.pathCache.getRoundRect(
right - left, bottom - top, rx, ry, p);
return drawShape(left, top, texture, p);
}
@@ -2413,7 +2415,7 @@ status_t OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* p)
}
if (p->getPathEffect() != 0) {
mCaches.activeTexture(0);
const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, p);
const PathTexture* texture = mCaches.pathCache.getCircle(radius, p);
return drawShape(x - radius, y - radius, texture, p);
}
@@ -2434,7 +2436,7 @@ status_t OpenGLRenderer::drawOval(float left, float top, float right, float bott
if (p->getPathEffect() != 0) {
mCaches.activeTexture(0);
const PathTexture* texture = mCaches.ovalShapeCache.getOval(right - left, bottom - top, p);
const PathTexture* texture = mCaches.pathCache.getOval(right - left, bottom - top, p);
return drawShape(left, top, texture, p);
}
@@ -2460,7 +2462,7 @@ status_t OpenGLRenderer::drawArc(float left, float top, float right, float botto
// TODO: support fills (accounting for concavity if useCenter && sweepAngle > 180)
if (p->getStyle() != SkPaint::kStroke_Style || p->getPathEffect() != 0 || useCenter) {
mCaches.activeTexture(0);
const PathTexture* texture = mCaches.arcShapeCache.getArc(right - left, bottom - top,
const PathTexture* texture = mCaches.pathCache.getArc(right - left, bottom - top,
startAngle, sweepAngle, useCenter, p);
return drawShape(left, top, texture, p);
}
@@ -2495,7 +2497,7 @@ status_t OpenGLRenderer::drawRect(float left, float top, float right, float bott
p->getStrokeMiter() != SkPaintDefaults_MiterLimit) {
mCaches.activeTexture(0);
const PathTexture* texture =
mCaches.rectShapeCache.getRect(right - left, bottom - top, p);
mCaches.pathCache.getRect(right - left, bottom - top, p);
return drawShape(left, top, texture, p);
}

443
libs/hwui/PathCache.cpp
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2010 The Android Open Source Project
* 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.
@@ -15,18 +15,300 @@
*/
#define LOG_TAG "OpenGLRenderer"
#define ATRACE_TAG ATRACE_TAG_VIEW
#include <utils/Mutex.h>
#include <SkBitmap.h>
#include <SkCanvas.h>
#include <SkPaint.h>
#include <SkPath.h>
#include <SkRect.h>
#include <sys/sysinfo.h>
#include <utils/JenkinsHash.h>
#include <utils/Trace.h>
#include "Caches.h"
#include "PathCache.h"
#include "Properties.h"
#include "thread/Signal.h"
#include "thread/Task.h"
#include "thread/TaskProcessor.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Cache entries
///////////////////////////////////////////////////////////////////////////////
PathDescription::PathDescription():
type(kShapeNone),
join(SkPaint::kDefault_Join),
cap(SkPaint::kDefault_Cap),
style(SkPaint::kFill_Style),
miter(4.0f),
strokeWidth(1.0f),
pathEffect(NULL) {
memset(&shape, 0, sizeof(Shape));
}
PathDescription::PathDescription(ShapeType type, SkPaint* paint):
type(type),
join(paint->getStrokeJoin()),
cap(paint->getStrokeCap()),
style(paint->getStyle()),
miter(paint->getStrokeMiter()),
strokeWidth(paint->getStrokeWidth()),
pathEffect(paint->getPathEffect()) {
memset(&shape, 0, sizeof(Shape));
}
hash_t PathDescription::hash() const {
uint32_t hash = JenkinsHashMix(0, type);
hash = JenkinsHashMix(hash, join);
hash = JenkinsHashMix(hash, cap);
hash = JenkinsHashMix(hash, style);
hash = JenkinsHashMix(hash, android::hash_type(miter));
hash = JenkinsHashMix(hash, android::hash_type(strokeWidth));
hash = JenkinsHashMix(hash, android::hash_type(pathEffect));
hash = JenkinsHashMixBytes(hash, (uint8_t*) &shape, sizeof(Shape));
return JenkinsHashWhiten(hash);
}
int PathDescription::compare(const PathDescription& rhs) const {
return memcmp(this, &rhs, sizeof(PathDescription));
}
///////////////////////////////////////////////////////////////////////////////
// Utilities
///////////////////////////////////////////////////////////////////////////////
bool PathCache::canDrawAsConvexPath(SkPath* path, SkPaint* paint) {
// NOTE: This should only be used after PathTessellator handles joins properly
return paint->getPathEffect() == NULL && path->getConvexity() == SkPath::kConvex_Convexity;
}
void PathCache::computePathBounds(const SkPath* path, const SkPaint* paint,
float& left, float& top, float& offset, uint32_t& width, uint32_t& height) {
const SkRect& bounds = path->getBounds();
PathCache::computeBounds(bounds, paint, left, top, offset, width, height);
}
void PathCache::computeBounds(const SkRect& bounds, const SkPaint* paint,
float& left, float& top, float& offset, uint32_t& width, uint32_t& height) {
const float pathWidth = fmax(bounds.width(), 1.0f);
const float pathHeight = fmax(bounds.height(), 1.0f);
left = bounds.fLeft;
top = bounds.fTop;
offset = (int) floorf(fmax(paint->getStrokeWidth(), 1.0f) * 1.5f + 0.5f);
width = uint32_t(pathWidth + offset * 2.0 + 0.5);
height = uint32_t(pathHeight + offset * 2.0 + 0.5);
}
static void initBitmap(SkBitmap& bitmap, uint32_t width, uint32_t height) {
bitmap.setConfig(SkBitmap::kA8_Config, width, height);
bitmap.allocPixels();
bitmap.eraseColor(0);
}
static void initPaint(SkPaint& paint) {
// Make sure the paint is opaque, color, alpha, filter, etc.
// will be applied later when compositing the alpha8 texture
paint.setColor(0xff000000);
paint.setAlpha(255);
paint.setColorFilter(NULL);
paint.setMaskFilter(NULL);
paint.setShader(NULL);
SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrc_Mode);
SkSafeUnref(paint.setXfermode(mode));
}
static void drawPath(const SkPath *path, const SkPaint* paint, SkBitmap& bitmap,
float left, float top, float offset, uint32_t width, uint32_t height) {
initBitmap(bitmap, width, height);
SkPaint pathPaint(*paint);
initPaint(pathPaint);
SkCanvas canvas(bitmap);
canvas.translate(-left + offset, -top + offset);
canvas.drawPath(*path, pathPaint);
}
static PathTexture* createTexture(float left, float top, float offset,
uint32_t width, uint32_t height, uint32_t id) {
PathTexture* texture = new PathTexture();
texture->left = left;
texture->top = top;
texture->offset = offset;
texture->width = width;
texture->height = height;
texture->generation = id;
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Cache constructor/destructor
///////////////////////////////////////////////////////////////////////////////
PathCache::PathCache():
mCache(LruCache<PathDescription, PathTexture*>::kUnlimitedCapacity),
mSize(0), mMaxSize(MB(DEFAULT_PATH_CACHE_SIZE)) {
char property[PROPERTY_VALUE_MAX];
if (property_get(PROPERTY_PATH_CACHE_SIZE, property, NULL) > 0) {
INIT_LOGD(" Setting %s cache size to %sMB", name, property);
setMaxSize(MB(atof(property)));
} else {
INIT_LOGD(" Using default %s cache size of %.2fMB", name, DEFAULT_PATH_CACHE_SIZE);
}
init();
}
PathCache::~PathCache() {
mCache.clear();
}
void PathCache::init() {
mCache.setOnEntryRemovedListener(this);
GLint maxTextureSize;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
mMaxTextureSize = maxTextureSize;
mDebugEnabled = readDebugLevel() & kDebugCaches;
}
///////////////////////////////////////////////////////////////////////////////
// Size management
///////////////////////////////////////////////////////////////////////////////
uint32_t PathCache::getSize() {
return mSize;
}
uint32_t PathCache::getMaxSize() {
return mMaxSize;
}
void PathCache::setMaxSize(uint32_t maxSize) {
mMaxSize = maxSize;
while (mSize > mMaxSize) {
mCache.removeOldest();
}
}
///////////////////////////////////////////////////////////////////////////////
// Callbacks
///////////////////////////////////////////////////////////////////////////////
void PathCache::operator()(PathDescription& entry, PathTexture*& texture) {
removeTexture(texture);
}
///////////////////////////////////////////////////////////////////////////////
// Caching
///////////////////////////////////////////////////////////////////////////////
void PathCache::removeTexture(PathTexture* texture) {
if (texture) {
const uint32_t size = texture->width * texture->height;
mSize -= size;
PATH_LOGD("PathCache::delete name, size, mSize = %d, %d, %d",
texture->id, size, mSize);
if (mDebugEnabled) {
ALOGD("Shape deleted, size = %d", size);
}
if (texture->id) {
glDeleteTextures(1, &texture->id);
}
delete texture;
}
}
void PathCache::purgeCache(uint32_t width, uint32_t height) {
const uint32_t size = width * height;
// Don't even try to cache a bitmap that's bigger than the cache
if (size < mMaxSize) {
while (mSize + size > mMaxSize) {
mCache.removeOldest();
}
}
}
void PathCache::trim() {
while (mSize > mMaxSize) {
mCache.removeOldest();
}
}
PathTexture* PathCache::addTexture(const PathDescription& entry, const SkPath *path,
const SkPaint* paint) {
ATRACE_CALL();
float left, top, offset;
uint32_t width, height;
computePathBounds(path, paint, left, top, offset, width, height);
if (!checkTextureSize(width, height)) return NULL;
purgeCache(width, height);
SkBitmap bitmap;
drawPath(path, paint, bitmap, left, top, offset, width, height);
PathTexture* texture = createTexture(left, top, offset, width, height,
path->getGenerationID());
addTexture(entry, &bitmap, texture);
return texture;
}
void PathCache::addTexture(const PathDescription& entry, SkBitmap* bitmap, PathTexture* texture) {
generateTexture(*bitmap, texture);
uint32_t size = texture->width * texture->height;
if (size < mMaxSize) {
mSize += size;
PATH_LOGD("PathCache::get/create: name, size, mSize = %d, %d, %d",
texture->id, size, mSize);
if (mDebugEnabled) {
ALOGD("Shape created, size = %d", size);
}
mCache.put(entry, texture);
} else {
texture->cleanup = true;
}
}
void PathCache::clear() {
mCache.clear();
}
void PathCache::generateTexture(SkBitmap& bitmap, Texture* texture) {
SkAutoLockPixels alp(bitmap);
if (!bitmap.readyToDraw()) {
ALOGE("Cannot generate texture from bitmap");
return;
}
glGenTextures(1, &texture->id);
glBindTexture(GL_TEXTURE_2D, texture->id);
// Textures are Alpha8
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
texture->blend = true;
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, texture->width, texture->height, 0,
GL_ALPHA, GL_UNSIGNED_BYTE, bitmap.getPixels());
texture->setFilter(GL_LINEAR);
texture->setWrap(GL_CLAMP_TO_EDGE);
}
///////////////////////////////////////////////////////////////////////////////
// Path precaching
///////////////////////////////////////////////////////////////////////////////
@@ -52,7 +334,7 @@ void PathCache::PathProcessor::onProcess(const sp<Task<SkBitmap*> >& task) {
if (width <= mMaxTextureSize && height <= mMaxTextureSize) {
SkBitmap* bitmap = new SkBitmap();
PathCache::drawPath(t->path, t->paint, *bitmap, left, top, offset, width, height);
drawPath(t->path, t->paint, *bitmap, left, top, offset, width, height);
t->setResult(bitmap);
} else {
texture->width = 0;
@@ -62,23 +344,17 @@ void PathCache::PathProcessor::onProcess(const sp<Task<SkBitmap*> >& task) {
}
///////////////////////////////////////////////////////////////////////////////
// Path cache
// Paths
///////////////////////////////////////////////////////////////////////////////
PathCache::PathCache(): ShapeCache<PathCacheEntry>("path",
PROPERTY_PATH_CACHE_SIZE, DEFAULT_PATH_CACHE_SIZE) {
}
PathCache::~PathCache() {
}
void PathCache::remove(SkPath* path) {
Vector<PathCacheEntry> pathsToRemove;
LruCache<PathCacheEntry, PathTexture*>::Iterator i(mCache);
Vector<PathDescription> pathsToRemove;
LruCache<PathDescription, PathTexture*>::Iterator i(mCache);
while (i.next()) {
const PathCacheEntry& key = i.key();
if (key.path == path || key.path == path->getSourcePath()) {
const PathDescription& key = i.key();
if (key.type == kShapePath &&
(key.shape.path.mPath == path || key.shape.path.mPath == path->getSourcePath())) {
pathsToRemove.push(key);
}
}
@@ -121,7 +397,9 @@ static SkPath* getSourcePath(SkPath* path) {
PathTexture* PathCache::get(SkPath* path, SkPaint* paint) {
path = getSourcePath(path);
PathCacheEntry entry(path, paint);
PathDescription entry(kShapePath, paint);
entry.shape.path.mPath = path;
PathTexture* texture = mCache.get(entry);
if (!texture) {
@@ -159,7 +437,9 @@ void PathCache::precache(SkPath* path, SkPaint* paint) {
path = getSourcePath(path);
PathCacheEntry entry(path, paint);
PathDescription entry(kShapePath, paint);
entry.shape.path.mPath = path;
PathTexture* texture = mCache.get(entry);
bool generate = false;
@@ -193,5 +473,130 @@ void PathCache::precache(SkPath* path, SkPaint* paint) {
}
}
///////////////////////////////////////////////////////////////////////////////
// Rounded rects
///////////////////////////////////////////////////////////////////////////////
PathTexture* PathCache::getRoundRect(float width, float height,
float rx, float ry, SkPaint* paint) {
PathDescription entry(kShapeRoundRect, paint);
entry.shape.roundRect.mWidth = width;
entry.shape.roundRect.mHeight = height;
entry.shape.roundRect.mRx = rx;
entry.shape.roundRect.mRy = ry;
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
path.addRoundRect(r, rx, ry, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Circles
///////////////////////////////////////////////////////////////////////////////
PathTexture* PathCache::getCircle(float radius, SkPaint* paint) {
PathDescription entry(kShapeCircle, paint);
entry.shape.circle.mRadius = radius;
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
path.addCircle(radius, radius, radius, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Ovals
///////////////////////////////////////////////////////////////////////////////
PathTexture* PathCache::getOval(float width, float height, SkPaint* paint) {
PathDescription entry(kShapeOval, paint);
entry.shape.oval.mWidth = width;
entry.shape.oval.mHeight = height;
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
path.addOval(r, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Rects
///////////////////////////////////////////////////////////////////////////////
PathTexture* PathCache::getRect(float width, float height, SkPaint* paint) {
PathDescription entry(kShapeRect, paint);
entry.shape.rect.mWidth = width;
entry.shape.rect.mHeight = height;
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
path.addRect(r, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Arcs
///////////////////////////////////////////////////////////////////////////////
PathTexture* PathCache::getArc(float width, float height,
float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) {
PathDescription entry(kShapeArc, paint);
entry.shape.arc.mWidth = width;
entry.shape.arc.mHeight = height;
entry.shape.arc.mStartAngle = startAngle;
entry.shape.arc.mSweepAngle = sweepAngle;
entry.shape.arc.mUseCenter = useCenter;
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
if (useCenter) {
path.moveTo(r.centerX(), r.centerY());
}
path.arcTo(r, startAngle, sweepAngle, !useCenter);
if (useCenter) {
path.close();
}
texture = addTexture(entry, &path, paint);
}
return texture;
}
}; // namespace uirenderer
}; // namespace android

251
libs/hwui/PathCache.h
View File

@@ -1,5 +1,5 @@
/*
* Copyright (C) 2010 The Android Open Source Project
* 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.
@@ -17,74 +17,203 @@
#ifndef ANDROID_HWUI_PATH_CACHE_H
#define ANDROID_HWUI_PATH_CACHE_H
#include <utils/Thread.h>
#include <GLES2/gl2.h>
#include <utils/LruCache.h>
#include <utils/Mutex.h>
#include <utils/Vector.h>
#include "Debug.h"
#include "ShapeCache.h"
#include "thread/Signal.h"
#include "thread/Task.h"
#include "thread/TaskProcessor.h"
#include "Properties.h"
#include "Texture.h"
class SkBitmap;
class SkCanvas;
class SkPaint;
class SkPath;
class SkRect;
namespace android {
namespace uirenderer {
class Caches;
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#if DEBUG_PATHS
#define PATH_LOGD(...) ALOGD(__VA_ARGS__)
#else
#define PATH_LOGD(...)
#endif
///////////////////////////////////////////////////////////////////////////////
// Classes
///////////////////////////////////////////////////////////////////////////////
struct PathCacheEntry: public ShapeCacheEntry {
PathCacheEntry(SkPath* path, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapePath, paint) {
this->path = path;
/**
* Alpha texture used to represent a path.
*/
struct PathTexture: public Texture {
PathTexture(): Texture() {
}
PathCacheEntry(): ShapeCacheEntry() {
path = NULL;
~PathTexture() {
clearTask();
}
hash_t hash() const {
uint32_t hash = ShapeCacheEntry::hash();
hash = JenkinsHashMix(hash, android::hash_type(path));
return JenkinsHashWhiten(hash);
/**
* Left coordinate of the path bounds.
*/
float left;
/**
* Top coordinate of the path bounds.
*/
float top;
/**
* Offset to draw the path at the correct origin.
*/
float offset;
sp<Task<SkBitmap*> > task() const {
return mTask;
}
int compare(const ShapeCacheEntry& r) const {
int deltaInt = ShapeCacheEntry::compare(r);
if (deltaInt != 0) return deltaInt;
const PathCacheEntry& rhs = (const PathCacheEntry&) r;
return path - rhs.path;
void setTask(const sp<Task<SkBitmap*> >& task) {
mTask = task;
}
SkPath* path;
void clearTask() {
if (mTask != NULL) {
mTask.clear();
}
}
}; // PathCacheEntry
private:
sp<Task<SkBitmap*> > mTask;
}; // struct PathTexture
inline hash_t hash_type(const PathCacheEntry& entry) {
return entry.hash();
}
enum ShapeType {
kShapeNone,
kShapeRect,
kShapeRoundRect,
kShapeCircle,
kShapeOval,
kShapeArc,
kShapePath
};
struct PathDescription {
ShapeType type;
SkPaint::Join join;
SkPaint::Cap cap;
SkPaint::Style style;
float miter;
float strokeWidth;
SkPathEffect* pathEffect;
union Shape {
struct Path {
SkPath* mPath;
} path;
struct RoundRect {
float mWidth;
float mHeight;
float mRx;
float mRy;
} roundRect;
struct Circle {
float mRadius;
} circle;
struct Oval {
float mWidth;
float mHeight;
} oval;
struct Rect {
float mWidth;
float mHeight;
} rect;
struct Arc {
float mWidth;
float mHeight;
float mStartAngle;
float mSweepAngle;
bool mUseCenter;
} arc;
} shape;
PathDescription();
PathDescription(ShapeType shapeType, SkPaint* paint);
hash_t hash() const;
int compare(const PathDescription& rhs) const;
bool operator==(const PathDescription& other) const {
return compare(other) == 0;
}
bool operator!=(const PathDescription& other) const {
return compare(other) != 0;
}
friend inline int strictly_order_type(
const PathDescription& lhs, const PathDescription& rhs) {
return lhs.compare(rhs) < 0;
}
friend inline int compare_type(const PathDescription& lhs, const PathDescription& rhs) {
return lhs.compare(rhs);
}
friend inline hash_t hash_type(const PathDescription& entry) {
return entry.hash();
}
};
/**
* A simple LRU path cache. The cache has a maximum size expressed in bytes.
* A simple LRU shape cache. The cache has a maximum size expressed in bytes.
* Any texture added to the cache causing the cache to grow beyond the maximum
* allowed size will also cause the oldest texture to be kicked out.
*/
class PathCache: public ShapeCache<PathCacheEntry> {
class PathCache: public OnEntryRemoved<PathDescription, PathTexture*> {
public:
PathCache();
~PathCache();
/**
* Returns the texture associated with the specified path. If the texture
* cannot be found in the cache, a new texture is generated.
* Used as a callback when an entry is removed from the cache.
* Do not invoke directly.
*/
void operator()(PathDescription& path, PathTexture*& texture);
/**
* Clears the cache. This causes all textures to be deleted.
*/
void clear();
/**
* Sets the maximum size of the cache in bytes.
*/
void setMaxSize(uint32_t maxSize);
/**
* Returns the maximum size of the cache in bytes.
*/
uint32_t getMaxSize();
/**
* Returns the current size of the cache in bytes.
*/
uint32_t getSize();
PathTexture* getRoundRect(float width, float height, float rx, float ry, SkPaint* paint);
PathTexture* getCircle(float radius, SkPaint* paint);
PathTexture* getOval(float width, float height, SkPaint* paint);
PathTexture* getRect(float width, float height, SkPaint* paint);
PathTexture* getArc(float width, float height, float startAngle, float sweepAngle,
bool useCenter, SkPaint* paint);
PathTexture* get(SkPath* path, SkPaint* paint);
/**
* Removes an entry.
*/
@@ -98,10 +227,63 @@ public:
* Process deferred removals.
*/
void clearGarbage();
/**
* Trims the contents of the cache, removing items until it's under its
* specified limit.
*
* Trimming is used for caches that support pre-caching from a worker
* thread. During pre-caching the maximum limit of the cache can be
* exceeded for the duration of the frame. It is therefore required to
* trim the cache at the end of the frame to keep the total amount of
* memory used under control.
*/
void trim();
/**
* Precaches the specified path using background threads.
*/
void precache(SkPath* path, SkPaint* paint);
static bool canDrawAsConvexPath(SkPath* path, SkPaint* paint);
static void computePathBounds(const SkPath* path, const SkPaint* paint,
float& left, float& top, float& offset, uint32_t& width, uint32_t& height);
static void computeBounds(const SkRect& bounds, const SkPaint* paint,
float& left, float& top, float& offset, uint32_t& width, uint32_t& height);
private:
PathTexture* addTexture(const PathDescription& entry,
const SkPath *path, const SkPaint* paint);
PathTexture* addTexture(const PathDescription& entry, SkBitmap* bitmap);
void addTexture(const PathDescription& entry, SkBitmap* bitmap, PathTexture* texture);
PathTexture* get(const PathDescription& entry) {
return mCache.get(entry);
}
/**
* Ensures there is enough space in the cache for a texture of the specified
* dimensions.
*/
void purgeCache(uint32_t width, uint32_t height);
void removeTexture(PathTexture* texture);
bool checkTextureSize(uint32_t width, uint32_t height) {
if (width > mMaxTextureSize || height > mMaxTextureSize) {
ALOGW("Shape too large to be rendered into a texture (%dx%d, max=%dx%d)",
width, height, mMaxTextureSize, mMaxTextureSize);
return false;
}
return true;
}
/**
* Generates the texture from a bitmap into the specified texture structure.
*/
void generateTexture(SkBitmap& bitmap, Texture* texture);
void init();
class PathTask: public Task<SkBitmap*> {
public:
PathTask(SkPath* path, SkPaint* paint, PathTexture* texture):
@@ -128,6 +310,13 @@ private:
uint32_t mMaxTextureSize;
};
LruCache<PathDescription, PathTexture*> mCache;
uint32_t mSize;
uint32_t mMaxSize;
GLuint mMaxTextureSize;
bool mDebugEnabled;
sp<PathProcessor> mProcessor;
Vector<SkPath*> mGarbage;
mutable Mutex mLock;

4
libs/hwui/Properties.h
View File

@@ -115,7 +115,6 @@ enum DebugLevel {
#define PROPERTY_RENDER_BUFFER_CACHE_SIZE "ro.hwui.r_buffer_cache_size"
#define PROPERTY_GRADIENT_CACHE_SIZE "ro.hwui.gradient_cache_size"
#define PROPERTY_PATH_CACHE_SIZE "ro.hwui.path_cache_size"
#define PROPERTY_SHAPE_CACHE_SIZE "ro.hwui.shape_cache_size"
#define PROPERTY_DROP_SHADOW_CACHE_SIZE "ro.hwui.drop_shadow_cache_size"
#define PROPERTY_FBO_CACHE_SIZE "ro.hwui.fbo_cache_size"
@@ -159,8 +158,7 @@ enum DebugLevel {
#define DEFAULT_TEXTURE_CACHE_SIZE 24.0f
#define DEFAULT_LAYER_CACHE_SIZE 16.0f
#define DEFAULT_RENDER_BUFFER_CACHE_SIZE 2.0f
#define DEFAULT_PATH_CACHE_SIZE 4.0f
#define DEFAULT_SHAPE_CACHE_SIZE 1.0f
#define DEFAULT_PATH_CACHE_SIZE 10.0f
#define DEFAULT_PATCH_CACHE_SIZE 512
#define DEFAULT_GRADIENT_CACHE_SIZE 0.5f
#define DEFAULT_DROP_SHADOW_CACHE_SIZE 2.0f

168
libs/hwui/ShapeCache.cpp
View File

@@ -1,168 +0,0 @@
/*
* Copyright (C) 2011 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.
*/
#define LOG_TAG "OpenGLRenderer"
#include "ShapeCache.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Rounded rects
///////////////////////////////////////////////////////////////////////////////
RoundRectShapeCache::RoundRectShapeCache(): ShapeCache<RoundRectShapeCacheEntry>(
"round rect", PROPERTY_SHAPE_CACHE_SIZE, DEFAULT_SHAPE_CACHE_SIZE) {
}
PathTexture* RoundRectShapeCache::getRoundRect(float width, float height,
float rx, float ry, SkPaint* paint) {
RoundRectShapeCacheEntry entry(width, height, rx, ry, paint);
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
path.addRoundRect(r, rx, ry, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Circles
///////////////////////////////////////////////////////////////////////////////
CircleShapeCache::CircleShapeCache(): ShapeCache<CircleShapeCacheEntry>(
"circle", PROPERTY_SHAPE_CACHE_SIZE, DEFAULT_SHAPE_CACHE_SIZE) {
}
PathTexture* CircleShapeCache::getCircle(float radius, SkPaint* paint) {
CircleShapeCacheEntry entry(radius, paint);
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
path.addCircle(radius, radius, radius, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Ovals
///////////////////////////////////////////////////////////////////////////////
OvalShapeCache::OvalShapeCache(): ShapeCache<OvalShapeCacheEntry>(
"oval", PROPERTY_SHAPE_CACHE_SIZE, DEFAULT_SHAPE_CACHE_SIZE) {
}
PathTexture* OvalShapeCache::getOval(float width, float height, SkPaint* paint) {
OvalShapeCacheEntry entry(width, height, paint);
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
path.addOval(r, SkPath::kCW_Direction);
texture = addTexture(entry, &path, paint);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Rects
///////////////////////////////////////////////////////////////////////////////
RectShapeCache::RectShapeCache(): ShapeCache<RectShapeCacheEntry>(
"rect", PROPERTY_SHAPE_CACHE_SIZE, DEFAULT_SHAPE_CACHE_SIZE) {
}
PathTexture* RectShapeCache::getRect(float width, float height, SkPaint* paint) {
RectShapeCacheEntry entry(width, height, paint);
PathTexture* texture = get(entry);
if (!texture) {
SkRect bounds;
bounds.set(0.0f, 0.0f, width, height);
float left, top, offset;
uint32_t rectWidth, rectHeight;
computeBounds(bounds, paint, left, top, offset, rectWidth, rectHeight);
if (!checkTextureSize(rectWidth, rectHeight)) return NULL;
purgeCache(rectWidth, rectHeight);
SkBitmap bitmap;
initBitmap(bitmap, rectWidth, rectHeight);
SkPaint pathPaint(*paint);
initPaint(pathPaint);
SkCanvas canvas(bitmap);
canvas.translate(-left + offset, -top + offset);
canvas.drawRect(bounds, pathPaint);
texture = createTexture(0, 0, offset, rectWidth, rectHeight, 0);
addTexture(entry, &bitmap, texture);
}
return texture;
}
///////////////////////////////////////////////////////////////////////////////
// Arcs
///////////////////////////////////////////////////////////////////////////////
ArcShapeCache::ArcShapeCache(): ShapeCache<ArcShapeCacheEntry>(
"arc", PROPERTY_SHAPE_CACHE_SIZE, DEFAULT_SHAPE_CACHE_SIZE) {
}
PathTexture* ArcShapeCache::getArc(float width, float height,
float startAngle, float sweepAngle, bool useCenter, SkPaint* paint) {
ArcShapeCacheEntry entry(width, height, startAngle, sweepAngle, useCenter, paint);
PathTexture* texture = get(entry);
if (!texture) {
SkPath path;
SkRect r;
r.set(0.0f, 0.0f, width, height);
if (useCenter) {
path.moveTo(r.centerX(), r.centerY());
}
path.arcTo(r, startAngle, sweepAngle, !useCenter);
if (useCenter) {
path.close();
}
texture = addTexture(entry, &path, paint);
}
return texture;
}
}; // namespace uirenderer
}; // namespace android

816
libs/hwui/ShapeCache.h
View File

@@ -1,816 +0,0 @@
/*
* Copyright (C) 2011 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_SHAPE_CACHE_H
#define ANDROID_HWUI_SHAPE_CACHE_H
#define ATRACE_TAG ATRACE_TAG_VIEW
#include <GLES2/gl2.h>
#include <SkBitmap.h>
#include <SkCanvas.h>
#include <SkPaint.h>
#include <SkPath.h>
#include <SkRect.h>
#include <utils/JenkinsHash.h>
#include <utils/LruCache.h>
#include <utils/Trace.h>
#include "Debug.h"
#include "Properties.h"
#include "Texture.h"
#include "thread/Task.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#if DEBUG_SHAPES
#define SHAPE_LOGD(...) ALOGD(__VA_ARGS__)
#else
#define SHAPE_LOGD(...)
#endif
///////////////////////////////////////////////////////////////////////////////
// Classes
///////////////////////////////////////////////////////////////////////////////
/**
* Alpha texture used to represent a path.
*/
struct PathTexture: public Texture {
PathTexture(): Texture() {
}
~PathTexture() {
clearTask();
}
/**
* Left coordinate of the path bounds.
*/
float left;
/**
* Top coordinate of the path bounds.
*/
float top;
/**
* Offset to draw the path at the correct origin.
*/
float offset;
sp<Task<SkBitmap*> > task() const {
return mTask;
}
void setTask(const sp<Task<SkBitmap*> >& task) {
mTask = task;
}
void clearTask() {
if (mTask != NULL) {
mTask.clear();
}
}
private:
sp<Task<SkBitmap*> > mTask;
}; // struct PathTexture
/**
* Describe a shape in the shape cache.
*/
struct ShapeCacheEntry {
enum ShapeType {
kShapeNone,
kShapeRect,
kShapeRoundRect,
kShapeCircle,
kShapeOval,
kShapeArc,
kShapePath
};
ShapeCacheEntry() {
shapeType = kShapeNone;
join = SkPaint::kDefault_Join;
cap = SkPaint::kDefault_Cap;
style = SkPaint::kFill_Style;
miter = 4.0f;
strokeWidth = 1.0f;
pathEffect = NULL;
}
ShapeCacheEntry(ShapeType type, SkPaint* paint) {
shapeType = type;
join = paint->getStrokeJoin();
cap = paint->getStrokeCap();
miter = paint->getStrokeMiter();
strokeWidth = paint->getStrokeWidth();
style = paint->getStyle();
pathEffect = paint->getPathEffect();
}
virtual ~ShapeCacheEntry() {
}
virtual hash_t hash() const {
uint32_t hash = JenkinsHashMix(0, shapeType);
hash = JenkinsHashMix(hash, join);
hash = JenkinsHashMix(hash, cap);
hash = JenkinsHashMix(hash, style);
hash = JenkinsHashMix(hash, android::hash_type(miter));
hash = JenkinsHashMix(hash, android::hash_type(strokeWidth));
hash = JenkinsHashMix(hash, android::hash_type(pathEffect));
return JenkinsHashWhiten(hash);
}
virtual int compare(const ShapeCacheEntry& rhs) const {
int deltaInt = shapeType - rhs.shapeType;
if (deltaInt != 0) return deltaInt;
deltaInt = join - rhs.join;
if (deltaInt != 0) return deltaInt;
deltaInt = cap - rhs.cap;
if (deltaInt != 0) return deltaInt;
deltaInt = style - rhs.style;
if (deltaInt != 0) return deltaInt;
if (miter < rhs.miter) return -1;
if (miter > rhs.miter) return +1;
if (strokeWidth < rhs.strokeWidth) return -1;
if (strokeWidth > rhs.strokeWidth) return +1;
if (pathEffect < rhs.pathEffect) return -1;
if (pathEffect > rhs.pathEffect) return +1;
return 0;
}
bool operator==(const ShapeCacheEntry& other) const {
return compare(other) == 0;
}
bool operator!=(const ShapeCacheEntry& other) const {
return compare(other) != 0;
}
ShapeType shapeType;
SkPaint::Join join;
SkPaint::Cap cap;
SkPaint::Style style;
float miter;
float strokeWidth;
SkPathEffect* pathEffect;
}; // struct ShapeCacheEntry
// Cache support
inline int strictly_order_type(const ShapeCacheEntry& lhs, const ShapeCacheEntry& rhs) {
return lhs.compare(rhs) < 0;
}
inline int compare_type(const ShapeCacheEntry& lhs, const ShapeCacheEntry& rhs) {
return lhs.compare(rhs);
}
inline hash_t hash_type(const ShapeCacheEntry& entry) {
return entry.hash();
}
struct RoundRectShapeCacheEntry: public ShapeCacheEntry {
RoundRectShapeCacheEntry(float width, float height, float rx, float ry, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeRoundRect, paint) {
mWidth = width;
mHeight = height;
mRx = rx;
mRy = ry;
}
RoundRectShapeCacheEntry(): ShapeCacheEntry() {
mWidth = 0;
mHeight = 0;
mRx = 0;
mRy = 0;
}
hash_t hash() const {
uint32_t hash = ShapeCacheEntry::hash();
hash = JenkinsHashMix(hash, android::hash_type(mWidth));
hash = JenkinsHashMix(hash, android::hash_type(mHeight));
hash = JenkinsHashMix(hash, android::hash_type(mRx));
hash = JenkinsHashMix(hash, android::hash_type(mRy));
return JenkinsHashWhiten(hash);
}
int compare(const ShapeCacheEntry& r) const {
int deltaInt = ShapeCacheEntry::compare(r);
if (deltaInt != 0) return deltaInt;
const RoundRectShapeCacheEntry& rhs = (const RoundRectShapeCacheEntry&) r;
if (mWidth < rhs.mWidth) return -1;
if (mWidth > rhs.mWidth) return +1;
if (mHeight < rhs.mHeight) return -1;
if (mHeight > rhs.mHeight) return +1;
if (mRx < rhs.mRx) return -1;
if (mRx > rhs.mRx) return +1;
if (mRy < rhs.mRy) return -1;
if (mRy > rhs.mRy) return +1;
return 0;
}
private:
float mWidth;
float mHeight;
float mRx;
float mRy;
}; // RoundRectShapeCacheEntry
inline hash_t hash_type(const RoundRectShapeCacheEntry& entry) {
return entry.hash();
}
struct CircleShapeCacheEntry: public ShapeCacheEntry {
CircleShapeCacheEntry(float radius, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeCircle, paint) {
mRadius = radius;
}
CircleShapeCacheEntry(): ShapeCacheEntry() {
mRadius = 0;
}
hash_t hash() const {
uint32_t hash = ShapeCacheEntry::hash();
hash = JenkinsHashMix(hash, android::hash_type(mRadius));
return JenkinsHashWhiten(hash);
}
int compare(const ShapeCacheEntry& r) const {
int deltaInt = ShapeCacheEntry::compare(r);
if (deltaInt != 0) return deltaInt;
const CircleShapeCacheEntry& rhs = (const CircleShapeCacheEntry&) r;
if (mRadius < rhs.mRadius) return -1;
if (mRadius > rhs.mRadius) return +1;
return 0;
}
private:
float mRadius;
}; // CircleShapeCacheEntry
inline hash_t hash_type(const CircleShapeCacheEntry& entry) {
return entry.hash();
}
struct OvalShapeCacheEntry: public ShapeCacheEntry {
OvalShapeCacheEntry(float width, float height, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeOval, paint) {
mWidth = width;
mHeight = height;
}
OvalShapeCacheEntry(): ShapeCacheEntry() {
mWidth = mHeight = 0;
}
hash_t hash() const {
uint32_t hash = ShapeCacheEntry::hash();
hash = JenkinsHashMix(hash, android::hash_type(mWidth));
hash = JenkinsHashMix(hash, android::hash_type(mHeight));
return JenkinsHashWhiten(hash);
}
int compare(const ShapeCacheEntry& r) const {
int deltaInt = ShapeCacheEntry::compare(r);
if (deltaInt != 0) return deltaInt;
const OvalShapeCacheEntry& rhs = (const OvalShapeCacheEntry&) r;
if (mWidth < rhs.mWidth) return -1;
if (mWidth > rhs.mWidth) return +1;
if (mHeight < rhs.mHeight) return -1;
if (mHeight > rhs.mHeight) return +1;
return 0;
}
private:
float mWidth;
float mHeight;
}; // OvalShapeCacheEntry
inline hash_t hash_type(const OvalShapeCacheEntry& entry) {
return entry.hash();
}
struct RectShapeCacheEntry: public ShapeCacheEntry {
RectShapeCacheEntry(float width, float height, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeRect, paint) {
mWidth = width;
mHeight = height;
}
RectShapeCacheEntry(): ShapeCacheEntry() {
mWidth = mHeight = 0;
}
hash_t hash() const {
uint32_t hash = ShapeCacheEntry::hash();
hash = JenkinsHashMix(hash, android::hash_type(mWidth));
hash = JenkinsHashMix(hash, android::hash_type(mHeight));
return JenkinsHashWhiten(hash);
}
int compare(const ShapeCacheEntry& r) const {
int deltaInt = ShapeCacheEntry::compare(r);
if (deltaInt != 0) return deltaInt;
const RectShapeCacheEntry& rhs = (const RectShapeCacheEntry&) r;
if (mWidth < rhs.mWidth) return -1;
if (mWidth > rhs.mWidth) return +1;
if (mHeight < rhs.mHeight) return -1;
if (mHeight > rhs.mHeight) return +1;
return 0;
}
private:
float mWidth;
float mHeight;
}; // RectShapeCacheEntry
inline hash_t hash_type(const RectShapeCacheEntry& entry) {
return entry.hash();
}
struct ArcShapeCacheEntry: public ShapeCacheEntry {
ArcShapeCacheEntry(float width, float height, float startAngle, float sweepAngle,
bool useCenter, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeArc, paint) {
mWidth = width;
mHeight = height;
mStartAngle = startAngle;
mSweepAngle = sweepAngle;
mUseCenter = useCenter ? 1 : 0;
}
ArcShapeCacheEntry(): ShapeCacheEntry() {
mWidth = 0;
mHeight = 0;
mStartAngle = 0;
mSweepAngle = 0;
mUseCenter = 0;
}
hash_t hash() const {
uint32_t hash = ShapeCacheEntry::hash();
hash = JenkinsHashMix(hash, android::hash_type(mWidth));
hash = JenkinsHashMix(hash, android::hash_type(mHeight));
hash = JenkinsHashMix(hash, android::hash_type(mStartAngle));
hash = JenkinsHashMix(hash, android::hash_type(mSweepAngle));
hash = JenkinsHashMix(hash, mUseCenter);
return JenkinsHashWhiten(hash);
}
int compare(const ShapeCacheEntry& r) const {
int deltaInt = ShapeCacheEntry::compare(r);
if (deltaInt != 0) return deltaInt;
const ArcShapeCacheEntry& rhs = (const ArcShapeCacheEntry&) r;
if (mWidth < rhs.mWidth) return -1;
if (mWidth > rhs.mWidth) return +1;
if (mHeight < rhs.mHeight) return -1;
if (mHeight > rhs.mHeight) return +1;
if (mStartAngle < rhs.mStartAngle) return -1;
if (mStartAngle > rhs.mStartAngle) return +1;
if (mSweepAngle < rhs.mSweepAngle) return -1;
if (mSweepAngle > rhs.mSweepAngle) return +1;
return mUseCenter - rhs.mUseCenter;
}
private:
float mWidth;
float mHeight;
float mStartAngle;
float mSweepAngle;
uint32_t mUseCenter;
}; // ArcShapeCacheEntry
inline hash_t hash_type(const ArcShapeCacheEntry& entry) {
return entry.hash();
}
/**
* A simple LRU shape cache. The cache has a maximum size expressed in bytes.
* Any texture added to the cache causing the cache to grow beyond the maximum
* allowed size will also cause the oldest texture to be kicked out.
*/
template<typename Entry>
class ShapeCache: public OnEntryRemoved<Entry, PathTexture*> {
public:
ShapeCache(const char* name, const char* propertyName, float defaultSize);
~ShapeCache();
/**
* Used as a callback when an entry is removed from the cache.
* Do not invoke directly.
*/
void operator()(Entry& path, PathTexture*& texture);
/**
* Clears the cache. This causes all textures to be deleted.
*/
void clear();
/**
* Sets the maximum size of the cache in bytes.
*/
void setMaxSize(uint32_t maxSize);
/**
* Returns the maximum size of the cache in bytes.
*/
uint32_t getMaxSize();
/**
* Returns the current size of the cache in bytes.
*/
uint32_t getSize();
/**
* Trims the contents of the cache, removing items until it's under its
* specified limit.
*
* Trimming is used for caches that support pre-caching from a worker
* thread. During pre-caching the maximum limit of the cache can be
* exceeded for the duration of the frame. It is therefore required to
* trim the cache at the end of the frame to keep the total amount of
* memory used under control.
*
* Only the PathCache currently supports pre-caching.
*/
void trim();
static void computePathBounds(const SkPath* path, const SkPaint* paint,
float& left, float& top, float& offset, uint32_t& width, uint32_t& height) {
const SkRect& bounds = path->getBounds();
computeBounds(bounds, paint, left, top, offset, width, height);
}
static void computeBounds(const SkRect& bounds, const SkPaint* paint,
float& left, float& top, float& offset, uint32_t& width, uint32_t& height) {
const float pathWidth = fmax(bounds.width(), 1.0f);
const float pathHeight = fmax(bounds.height(), 1.0f);
left = bounds.fLeft;
top = bounds.fTop;
offset = (int) floorf(fmax(paint->getStrokeWidth(), 1.0f) * 1.5f + 0.5f);
width = uint32_t(pathWidth + offset * 2.0 + 0.5);
height = uint32_t(pathHeight + offset * 2.0 + 0.5);
}
static void drawPath(const SkPath *path, const SkPaint* paint, SkBitmap& bitmap,
float left, float top, float offset, uint32_t width, uint32_t height) {
initBitmap(bitmap, width, height);
SkPaint pathPaint(*paint);
initPaint(pathPaint);
SkCanvas canvas(bitmap);
canvas.translate(-left + offset, -top + offset);
canvas.drawPath(*path, pathPaint);
}
protected:
PathTexture* addTexture(const Entry& entry, const SkPath *path, const SkPaint* paint);
PathTexture* addTexture(const Entry& entry, SkBitmap* bitmap);
void addTexture(const Entry& entry, SkBitmap* bitmap, PathTexture* texture);
/**
* Ensures there is enough space in the cache for a texture of the specified
* dimensions.
*/
void purgeCache(uint32_t width, uint32_t height);
PathTexture* get(Entry entry) {
return mCache.get(entry);
}
void removeTexture(PathTexture* texture);
bool checkTextureSize(uint32_t width, uint32_t height) {
if (width > mMaxTextureSize || height > mMaxTextureSize) {
ALOGW("Shape %s too large to be rendered into a texture (%dx%d, max=%dx%d)",
mName, width, height, mMaxTextureSize, mMaxTextureSize);
return false;
}
return true;
}
static PathTexture* createTexture(float left, float top, float offset,
uint32_t width, uint32_t height, uint32_t id) {
PathTexture* texture = new PathTexture();
texture->left = left;
texture->top = top;
texture->offset = offset;
texture->width = width;
texture->height = height;
texture->generation = id;
return texture;
}
static void initBitmap(SkBitmap& bitmap, uint32_t width, uint32_t height) {
bitmap.setConfig(SkBitmap::kA8_Config, width, height);
bitmap.allocPixels();
bitmap.eraseColor(0);
}
static void initPaint(SkPaint& paint) {
// Make sure the paint is opaque, color, alpha, filter, etc.
// will be applied later when compositing the alpha8 texture
paint.setColor(0xff000000);
paint.setAlpha(255);
paint.setColorFilter(NULL);
paint.setMaskFilter(NULL);
paint.setShader(NULL);
SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrc_Mode);
SkSafeUnref(paint.setXfermode(mode));
}
LruCache<Entry, PathTexture*> mCache;
uint32_t mSize;
uint32_t mMaxSize;
GLuint mMaxTextureSize;
char* mName;
bool mDebugEnabled;
private:
/**
* Generates the texture from a bitmap into the specified texture structure.
*/
void generateTexture(SkBitmap& bitmap, Texture* texture);
void init();
}; // class ShapeCache
class RoundRectShapeCache: public ShapeCache<RoundRectShapeCacheEntry> {
public:
RoundRectShapeCache();
PathTexture* getRoundRect(float width, float height, float rx, float ry, SkPaint* paint);
}; // class RoundRectShapeCache
class CircleShapeCache: public ShapeCache<CircleShapeCacheEntry> {
public:
CircleShapeCache();
PathTexture* getCircle(float radius, SkPaint* paint);
}; // class CircleShapeCache
class OvalShapeCache: public ShapeCache<OvalShapeCacheEntry> {
public:
OvalShapeCache();
PathTexture* getOval(float width, float height, SkPaint* paint);
}; // class OvalShapeCache
class RectShapeCache: public ShapeCache<RectShapeCacheEntry> {
public:
RectShapeCache();
PathTexture* getRect(float width, float height, SkPaint* paint);
}; // class RectShapeCache
class ArcShapeCache: public ShapeCache<ArcShapeCacheEntry> {
public:
ArcShapeCache();
PathTexture* getArc(float width, float height, float startAngle, float sweepAngle,
bool useCenter, SkPaint* paint);
}; // class ArcShapeCache
///////////////////////////////////////////////////////////////////////////////
// Constructors/destructor
///////////////////////////////////////////////////////////////////////////////
template<class Entry>
ShapeCache<Entry>::ShapeCache(const char* name, const char* propertyName, float defaultSize):
mCache(LruCache<ShapeCacheEntry, PathTexture*>::kUnlimitedCapacity),
mSize(0), mMaxSize(MB(defaultSize)) {
char property[PROPERTY_VALUE_MAX];
if (property_get(propertyName, property, NULL) > 0) {
INIT_LOGD(" Setting %s cache size to %sMB", name, property);
setMaxSize(MB(atof(property)));
} else {
INIT_LOGD(" Using default %s cache size of %.2fMB", name, defaultSize);
}
size_t len = strlen(name);
mName = new char[len + 1];
strcpy(mName, name);
mName[len] = '\0';
init();
}
template<class Entry>
ShapeCache<Entry>::~ShapeCache() {
mCache.clear();
delete[] mName;
}
template<class Entry>
void ShapeCache<Entry>::init() {
mCache.setOnEntryRemovedListener(this);
GLint maxTextureSize;
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize);
mMaxTextureSize = maxTextureSize;
mDebugEnabled = readDebugLevel() & kDebugCaches;
}
///////////////////////////////////////////////////////////////////////////////
// Size management
///////////////////////////////////////////////////////////////////////////////
template<class Entry>
uint32_t ShapeCache<Entry>::getSize() {
return mSize;
}
template<class Entry>
uint32_t ShapeCache<Entry>::getMaxSize() {
return mMaxSize;
}
template<class Entry>
void ShapeCache<Entry>::setMaxSize(uint32_t maxSize) {
mMaxSize = maxSize;
while (mSize > mMaxSize) {
mCache.removeOldest();
}
}
///////////////////////////////////////////////////////////////////////////////
// Callbacks
///////////////////////////////////////////////////////////////////////////////
template<class Entry>
void ShapeCache<Entry>::operator()(Entry& path, PathTexture*& texture) {
removeTexture(texture);
}
///////////////////////////////////////////////////////////////////////////////
// Caching
///////////////////////////////////////////////////////////////////////////////
template<class Entry>
void ShapeCache<Entry>::removeTexture(PathTexture* texture) {
if (texture) {
const uint32_t size = texture->width * texture->height;
mSize -= size;
SHAPE_LOGD("ShapeCache::callback: delete %s: name, size, mSize = %d, %d, %d",
mName, texture->id, size, mSize);
if (mDebugEnabled) {
ALOGD("Shape %s deleted, size = %d", mName, size);
}
if (texture->id) {
glDeleteTextures(1, &texture->id);
}
delete texture;
}
}
template<class Entry>
void ShapeCache<Entry>::purgeCache(uint32_t width, uint32_t height) {
const uint32_t size = width * height;
// Don't even try to cache a bitmap that's bigger than the cache
if (size < mMaxSize) {
while (mSize + size > mMaxSize) {
mCache.removeOldest();
}
}
}
template<class Entry>
void ShapeCache<Entry>::trim() {
while (mSize > mMaxSize) {
mCache.removeOldest();
}
}
template<class Entry>
PathTexture* ShapeCache<Entry>::addTexture(const Entry& entry, const SkPath *path,
const SkPaint* paint) {
ATRACE_CALL();
float left, top, offset;
uint32_t width, height;
computePathBounds(path, paint, left, top, offset, width, height);
if (!checkTextureSize(width, height)) return NULL;
purgeCache(width, height);
SkBitmap bitmap;
drawPath(path, paint, bitmap, left, top, offset, width, height);
PathTexture* texture = createTexture(left, top, offset, width, height,
path->getGenerationID());
addTexture(entry, &bitmap, texture);
return texture;
}
template<class Entry>
void ShapeCache<Entry>::addTexture(const Entry& entry, SkBitmap* bitmap, PathTexture* texture) {
generateTexture(*bitmap, texture);
uint32_t size = texture->width * texture->height;
if (size < mMaxSize) {
mSize += size;
SHAPE_LOGD("ShapeCache::get: create %s: name, size, mSize = %d, %d, %d",
mName, texture->id, size, mSize);
if (mDebugEnabled) {
ALOGD("Shape %s created, size = %d", mName, size);
}
mCache.put(entry, texture);
} else {
texture->cleanup = true;
}
}
template<class Entry>
void ShapeCache<Entry>::clear() {
mCache.clear();
}
template<class Entry>
void ShapeCache<Entry>::generateTexture(SkBitmap& bitmap, Texture* texture) {
SkAutoLockPixels alp(bitmap);
if (!bitmap.readyToDraw()) {
ALOGE("Cannot generate texture from bitmap");
return;
}
glGenTextures(1, &texture->id);
glBindTexture(GL_TEXTURE_2D, texture->id);
// Textures are Alpha8
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
texture->blend = true;
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, texture->width, texture->height, 0,
GL_ALPHA, GL_UNSIGNED_BYTE, bitmap.getPixels());
texture->setFilter(GL_LINEAR);
texture->setWrap(GL_CLAMP_TO_EDGE);
}
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_SHAPE_CACHE_H

31
tests/HwAccelerationTest/src/com/android/test/hwui/ShapesActivity.java
View File

@@ -20,6 +20,7 @@ import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.RectF;
import android.os.Bundle;
import android.view.View;
@@ -34,12 +35,13 @@ public class ShapesActivity extends Activity {
}
static class ShapesView extends View {
private Paint mNormalPaint;
private Paint mStrokePaint;
private Paint mFillPaint;
private RectF mRect;
private RectF mOval;
private RectF mArc;
private final Paint mNormalPaint;
private final Paint mStrokePaint;
private final Paint mFillPaint;
private final RectF mRect;
private final RectF mOval;
private final RectF mArc;
private final Path mTriangle;
ShapesView(Context c) {
super(c);
@@ -65,6 +67,12 @@ public class ShapesActivity extends Activity {
mOval = new RectF(0.0f, 0.0f, 80.0f, 45.0f);
mArc = new RectF(0.0f, 0.0f, 100.0f, 120.0f);
mTriangle = new Path();
mTriangle.moveTo(0.0f, 90.0f);
mTriangle.lineTo(45.0f, 0.0f);
mTriangle.lineTo(90.0f, 90.0f);
mTriangle.close();
}
@Override
@@ -136,6 +144,17 @@ public class ShapesActivity extends Activity {
canvas.translate(0.0f, 110.0f);
canvas.drawArc(mArc, 30.0f, 100.0f, false, mFillPaint);
canvas.restore();
canvas.save();
canvas.translate(50.0f, 400.0f);
canvas.drawPath(mTriangle, mNormalPaint);
canvas.translate(110.0f, 0.0f);
canvas.drawPath(mTriangle, mStrokePaint);
canvas.translate(110.0f, 0.0f);
canvas.drawPath(mTriangle, mFillPaint);
canvas.restore();
}
}
}