Merge "Add rounded rects and circles support to OpenGLRenderer." into honeycomb

This commit is contained in:
Romain Guy
2011-01-19 21:52:49 -08:00
committed by Android (Google) Code Review
15 changed files with 764 additions and 29 deletions

View File

@@ -635,9 +635,13 @@ class GLES20Canvas extends HardwareCanvas {
@Override
public void drawCircle(float cx, float cy, float radius, Paint paint) {
throw new UnsupportedOperationException();
boolean hasModifier = setupModifiers(paint);
nDrawCircle(mRenderer, cx, cy, radius, paint.mNativePaint);
if (hasModifier) nResetModifiers(mRenderer);
}
private native void nDrawCircle(int renderer, float cx, float cy, float radius, int paint);
@Override
public void drawColor(int color) {
drawColor(color, PorterDuff.Mode.SRC_OVER);
@@ -773,9 +777,15 @@ class GLES20Canvas extends HardwareCanvas {
@Override
public void drawRoundRect(RectF rect, float rx, float ry, Paint paint) {
// TODO: Implement
boolean hasModifier = setupModifiers(paint);
nDrawRoundRect(mRenderer, rect.left, rect.top, rect.right, rect.bottom,
rx, ry, paint.mNativePaint);
if (hasModifier) nResetModifiers(mRenderer);
}
private native void nDrawRoundRect(int renderer, float left, float top,
float right, float bottom, float rx, float y, int paint);
@Override
public void drawText(char[] text, int index, int count, float x, float y, Paint paint) {
if ((index | count | (index + count) | (text.length - index - count)) < 0) {

View File

@@ -299,6 +299,17 @@ static void android_view_GLES20Canvas_drawRect(JNIEnv* env, jobject canvas,
renderer->drawRect(left, top, right, bottom, paint);
}
static void android_view_GLES20Canvas_drawRoundRect(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, jfloat left, jfloat top, jfloat right, jfloat bottom,
jfloat rx, jfloat ry, SkPaint* paint) {
renderer->drawRoundRect(left, top, right, bottom, rx, ry, paint);
}
static void android_view_GLES20Canvas_drawCircle(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, jfloat x, jfloat y, jfloat radius, SkPaint* paint) {
renderer->drawCircle(x, y, radius, paint);
}
static void android_view_GLES20Canvas_drawRects(JNIEnv* env, jobject canvas,
OpenGLRenderer* renderer, SkRegion* region, SkPaint* paint) {
SkRegion::Iterator it(*region);
@@ -570,6 +581,8 @@ static JNINativeMethod gMethods[] = {
{ "nDrawColor", "(III)V", (void*) android_view_GLES20Canvas_drawColor },
{ "nDrawRect", "(IFFFFI)V", (void*) android_view_GLES20Canvas_drawRect },
{ "nDrawRects", "(III)V", (void*) android_view_GLES20Canvas_drawRects },
{ "nDrawRoundRect", "(IFFFFFFI)V", (void*) android_view_GLES20Canvas_drawRoundRect },
{ "nDrawCircle", "(IFFFI)V", (void*) android_view_GLES20Canvas_drawCircle },
{ "nDrawPath", "(III)V", (void*) android_view_GLES20Canvas_drawPath },
{ "nDrawLines", "(I[FIII)V", (void*) android_view_GLES20Canvas_drawLines },

View File

@@ -23,6 +23,7 @@ ifeq ($(USE_OPENGL_RENDERER),true)
Program.cpp \
ProgramCache.cpp \
ResourceCache.cpp \
ShapeCache.cpp \
SkiaColorFilter.cpp \
SkiaShader.cpp \
TextureCache.cpp \

View File

@@ -73,6 +73,10 @@ void Caches::dumpMemoryUsage() {
LOGD(" LayerCache %8d / %8d", layerCache.getSize(), layerCache.getMaxSize());
LOGD(" GradientCache %8d / %8d", gradientCache.getSize(), gradientCache.getMaxSize());
LOGD(" PathCache %8d / %8d", pathCache.getSize(), pathCache.getMaxSize());
LOGD(" CircleShapeCache %8d / %8d",
circleShapeCache.getSize(), circleShapeCache.getMaxSize());
LOGD(" RoundRectShapeCache %8d / %8d",
roundRectShapeCache.getSize(), roundRectShapeCache.getMaxSize());
LOGD(" TextDropShadowCache %8d / %8d", dropShadowCache.getSize(),
dropShadowCache.getMaxSize());
for (uint32_t i = 0; i < fontRenderer.getFontRendererCount(); i++) {

View File

@@ -32,6 +32,7 @@
#include "PatchCache.h"
#include "ProgramCache.h"
#include "PathCache.h"
#include "ShapeCache.h"
#include "TextDropShadowCache.h"
#include "FboCache.h"
#include "ResourceCache.h"
@@ -159,6 +160,8 @@ public:
GradientCache gradientCache;
ProgramCache programCache;
PathCache pathCache;
RoundRectShapeCache roundRectShapeCache;
CircleShapeCache circleShapeCache;
PatchCache patchCache;
TextDropShadowCache dropShadowCache;
FboCache fboCache;

View File

@@ -45,6 +45,9 @@
// Turn on to display debug info about paths
#define DEBUG_PATHS 0
// Turn on to display debug info about shapes
#define DEBUG_SHAPES 0
// Turn on to display debug info about textures
#define DEBUG_TEXTURES 0

View File

@@ -103,6 +103,8 @@ const char* DisplayList::OP_NAMES[] = {
"DrawPatch",
"DrawColor",
"DrawRect",
"DrawRoundRect",
"DrawCircle",
"DrawPath",
"DrawLines",
"DrawText",
@@ -332,6 +334,15 @@ void DisplayList::replay(OpenGLRenderer& renderer, uint32_t level) {
renderer.drawRect(getFloat(), getFloat(), getFloat(), getFloat(), getPaint());
}
break;
case DrawRoundRect: {
renderer.drawRoundRect(getFloat(), getFloat(), getFloat(), getFloat(),
getFloat(), getFloat(), getPaint());
}
break;
case DrawCircle: {
renderer.drawCircle(getFloat(), getFloat(), getFloat(), getPaint());
}
break;
case DrawPath: {
renderer.drawPath(getPath(), getPaint());
}
@@ -601,6 +612,21 @@ void DisplayListRenderer::drawRect(float left, float top, float right, float bot
addPaint(paint);
}
void DisplayListRenderer::drawRoundRect(float left, float top, float right, float bottom,
float rx, float ry, SkPaint* paint) {
addOp(DisplayList::DrawRoundRect);
addBounds(left, top, right, bottom);
addPoint(rx, ry);
addPaint(paint);
}
void DisplayListRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) {
addOp(DisplayList::DrawCircle);
addPoint(x, y);
addFloat(radius);
addPaint(paint);
}
void DisplayListRenderer::drawPath(SkPath* path, SkPaint* paint) {
addOp(DisplayList::DrawPath);
addPath(path);

View File

@@ -110,6 +110,8 @@ public:
DrawPatch,
DrawColor,
DrawRect,
DrawRoundRect,
DrawCircle,
DrawPath,
DrawLines,
DrawText,
@@ -270,6 +272,9 @@ public:
float left, float top, float right, float bottom, SkPaint* paint);
void drawColor(int color, SkXfermode::Mode mode);
void drawRect(float left, float top, float right, float bottom, SkPaint* paint);
void drawRoundRect(float left, float top, float right, float bottom,
float rx, float ry, SkPaint* paint);
void drawCircle(float x, float y, float radius, SkPaint* paint);
void drawPath(SkPath* path, SkPaint* paint);
void drawLines(float* points, int count, SkPaint* paint);
void drawText(const char* text, int bytesCount, int count, float x, float y, SkPaint* paint);

View File

@@ -1305,6 +1305,38 @@ void OpenGLRenderer::drawColor(int color, SkXfermode::Mode mode) {
drawColorRect(clip.left, clip.top, clip.right, clip.bottom, color, mode, true);
}
void OpenGLRenderer::drawRoundRect(float left, float top, float right, float bottom,
float rx, float ry, SkPaint* paint) {
if (mSnapshot->isIgnored()) return;
glActiveTexture(gTextureUnits[0]);
const PathTexture* texture = mCaches.roundRectShapeCache.getRoundRect(
right - left, bottom - top, rx, ry, paint);
if (!texture) return;
const AutoTexture autoCleanup(texture);
const float x = left + texture->left - texture->offset;
const float y = top + texture->top - texture->offset;
drawPathTexture(texture, x, y, paint);
}
void OpenGLRenderer::drawCircle(float x, float y, float radius, SkPaint* paint) {
if (mSnapshot->isIgnored()) return;
glActiveTexture(gTextureUnits[0]);
const PathTexture* texture = mCaches.circleShapeCache.getCircle(radius, paint);
if (!texture) return;
const AutoTexture autoCleanup(texture);
const float left = (x - radius) + texture->left - texture->offset;
const float top = (y - radius) + texture->top - texture->offset;
drawPathTexture(texture, left, top, paint);
}
void OpenGLRenderer::drawRect(float left, float top, float right, float bottom, SkPaint* p) {
if (quickReject(left, top, right, bottom)) {
return;
@@ -1453,8 +1485,7 @@ void OpenGLRenderer::drawText(const char* text, int bytesCount, int count,
void OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) {
if (mSnapshot->isIgnored()) return;
GLuint textureUnit = 0;
glActiveTexture(gTextureUnits[textureUnit]);
glActiveTexture(gTextureUnits[0]);
const PathTexture* texture = mCaches.pathCache.get(path, paint);
if (!texture) return;
@@ -1463,31 +1494,7 @@ void OpenGLRenderer::drawPath(SkPath* path, SkPaint* paint) {
const float x = texture->left - texture->offset;
const float y = texture->top - texture->offset;
if (quickReject(x, y, x + texture->width, y + texture->height)) {
return;
}
int alpha;
SkXfermode::Mode mode;
getAlphaAndMode(paint, &alpha, &mode);
setupDraw();
setupDrawWithTexture(true);
setupDrawAlpha8Color(paint->getColor(), alpha);
setupDrawColorFilter();
setupDrawShader();
setupDrawBlending(true, mode);
setupDrawProgram();
setupDrawModelView(x, y, x + texture->width, y + texture->height);
setupDrawTexture(texture->id);
setupDrawPureColorUniforms();
setupDrawColorFilterUniforms();
setupDrawShaderUniforms();
setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset);
glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount);
finishDrawTexture();
drawPathTexture(texture, x, y, paint);
}
void OpenGLRenderer::drawLayer(Layer* layer, float x, float y, SkPaint* paint) {
@@ -1583,6 +1590,35 @@ void OpenGLRenderer::setupShadow(float radius, float dx, float dy, int color) {
// Drawing implementation
///////////////////////////////////////////////////////////////////////////////
void OpenGLRenderer::drawPathTexture(const PathTexture* texture,
float x, float y, SkPaint* paint) {
if (quickReject(x, y, x + texture->width, y + texture->height)) {
return;
}
int alpha;
SkXfermode::Mode mode;
getAlphaAndMode(paint, &alpha, &mode);
setupDraw();
setupDrawWithTexture(true);
setupDrawAlpha8Color(paint->getColor(), alpha);
setupDrawColorFilter();
setupDrawShader();
setupDrawBlending(true, mode);
setupDrawProgram();
setupDrawModelView(x, y, x + texture->width, y + texture->height);
setupDrawTexture(texture->id);
setupDrawPureColorUniforms();
setupDrawColorFilterUniforms();
setupDrawShaderUniforms();
setupDrawMesh(NULL, (GLvoid*) gMeshTextureOffset);
glDrawArrays(GL_TRIANGLE_STRIP, 0, gMeshCount);
finishDrawTexture();
}
// Same values used by Skia
#define kStdStrikeThru_Offset (-6.0f / 21.0f)
#define kStdUnderline_Offset (1.0f / 9.0f)

View File

@@ -107,6 +107,9 @@ public:
float left, float top, float right, float bottom, SkPaint* paint);
virtual void drawColor(int color, SkXfermode::Mode mode);
virtual void drawRect(float left, float top, float right, float bottom, SkPaint* paint);
virtual void drawRoundRect(float left, float top, float right, float bottom,
float rx, float ry, SkPaint* paint);
virtual void drawCircle(float x, float y, float radius, SkPaint* paint);
virtual void drawPath(SkPath* path, SkPaint* paint);
virtual void drawLines(float* points, int count, SkPaint* paint);
virtual void drawText(const char* text, int bytesCount, int count, float x, float y,
@@ -343,6 +346,8 @@ private:
void drawTextDecorations(const char* text, int bytesCount, float length,
float x, float y, SkPaint* paint);
void drawPathTexture(const PathTexture* texture, float x, float y, SkPaint* paint);
/**
* Resets the texture coordinates stored in mMeshVertices. Setting the values
* back to default is achieved by calling:

View File

@@ -48,6 +48,7 @@ enum DebugLevel {
#define PROPERTY_LAYER_CACHE_SIZE "ro.hwui.layer_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"
@@ -66,6 +67,7 @@ enum DebugLevel {
#define DEFAULT_TEXTURE_CACHE_SIZE 20.0f
#define DEFAULT_LAYER_CACHE_SIZE 8.0f
#define DEFAULT_PATH_CACHE_SIZE 4.0f
#define DEFAULT_SHAPE_CACHE_SIZE 1.0f
#define DEFAULT_PATCH_CACHE_SIZE 512
#define DEFAULT_GRADIENT_CACHE_SIZE 0.5f
#define DEFAULT_DROP_SHADOW_CACHE_SIZE 2.0f

62
libs/hwui/ShapeCache.cpp Normal file
View File

@@ -0,0 +1,62 @@
/*
* 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 {
RoundRectShapeCache::RoundRectShapeCache(): ShapeCache<RoundRectShapeCacheEntry>() {
}
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;
}
CircleShapeCache::CircleShapeCache(): ShapeCache<CircleShapeCacheEntry>() {
}
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;
}
}; // namespace uirenderer
}; // namespace android

464
libs/hwui/ShapeCache.h Normal file
View File

@@ -0,0 +1,464 @@
/*
* 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
#include <GLES2/gl2.h>
#include <SkCanvas.h>
#include <SkRect.h>
#include "PathCache.h"
#include "Properties.h"
namespace android {
namespace uirenderer {
///////////////////////////////////////////////////////////////////////////////
// Defines
///////////////////////////////////////////////////////////////////////////////
// Debug
#if DEBUG_SHAPES
#define SHAPE_LOGD(...) LOGD(__VA_ARGS__)
#else
#define SHAPE_LOGD(...)
#endif
///////////////////////////////////////////////////////////////////////////////
// Classes
///////////////////////////////////////////////////////////////////////////////
/**
* Describe a shape in the shape cache.
*/
struct ShapeCacheEntry {
enum ShapeType {
kShapeNone,
kShapeRoundRect,
kShapeCircle,
kShapeOval,
kShapeArc
};
ShapeCacheEntry() {
shapeType = kShapeNone;
join = SkPaint::kDefault_Join;
cap = SkPaint::kDefault_Cap;
style = SkPaint::kFill_Style;
miter = 4.0f;
strokeWidth = 1.0f;
}
ShapeCacheEntry(const ShapeCacheEntry& entry):
shapeType(entry.shapeType), join(entry.join), cap(entry.cap),
style(entry.style), miter(entry.miter),
strokeWidth(entry.strokeWidth) {
}
ShapeCacheEntry(ShapeType type, SkPaint* paint) {
shapeType = type;
join = paint->getStrokeJoin();
cap = paint->getStrokeCap();
float v = paint->getStrokeMiter();
miter = *(uint32_t*) &v;
v = paint->getStrokeWidth();
strokeWidth = *(uint32_t*) &v;
style = paint->getStyle();
}
virtual ~ShapeCacheEntry() {
}
// shapeType must be checked in subclasses operator<
ShapeType shapeType;
SkPaint::Join join;
SkPaint::Cap cap;
SkPaint::Style style;
uint32_t miter;
uint32_t strokeWidth;
bool operator<(const ShapeCacheEntry& rhs) const {
LTE_INT(shapeType) {
LTE_INT(join) {
LTE_INT(cap) {
LTE_INT(style) {
LTE_INT(miter) {
LTE_INT(strokeWidth) {
return lessThan(rhs);
}
}
}
}
}
}
return false;
}
protected:
virtual bool lessThan(const ShapeCacheEntry& rhs) const {
return false;
}
}; // struct ShapeCacheEntry
struct RoundRectShapeCacheEntry: public ShapeCacheEntry {
RoundRectShapeCacheEntry(float width, float height, float rx, float ry, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeRoundRect, paint) {
mWidth = *(uint32_t*) &width;
mHeight = *(uint32_t*) &height;
mRx = *(uint32_t*) &rx;
mRy = *(uint32_t*) &ry;
}
RoundRectShapeCacheEntry(): ShapeCacheEntry() {
mWidth = 0;
mHeight = 0;
mRx = 0;
mRy = 0;
}
RoundRectShapeCacheEntry(const RoundRectShapeCacheEntry& entry):
ShapeCacheEntry(entry) {
mWidth = entry.mWidth;
mHeight = entry.mHeight;
mRx = entry.mRx;
mRy = entry.mRy;
}
bool lessThan(const ShapeCacheEntry& r) const {
const RoundRectShapeCacheEntry& rhs = (const RoundRectShapeCacheEntry&) r;
LTE_INT(mWidth) {
LTE_INT(mHeight) {
LTE_INT(mRx) {
LTE_INT(mRy) {
return false;
}
}
}
}
return false;
}
private:
uint32_t mWidth;
uint32_t mHeight;
uint32_t mRx;
uint32_t mRy;
}; // RoundRectShapeCacheEntry
struct CircleShapeCacheEntry: public ShapeCacheEntry {
CircleShapeCacheEntry(float radius, SkPaint* paint):
ShapeCacheEntry(ShapeCacheEntry::kShapeCircle, paint) {
mRadius = *(uint32_t*) &radius;
}
CircleShapeCacheEntry(): ShapeCacheEntry() {
mRadius = 0;
}
CircleShapeCacheEntry(const CircleShapeCacheEntry& entry):
ShapeCacheEntry(entry) {
mRadius = entry.mRadius;
}
bool lessThan(const ShapeCacheEntry& r) const {
const CircleShapeCacheEntry& rhs = (const CircleShapeCacheEntry&) r;
LTE_INT(mRadius) {
return false;
}
return false;
}
private:
uint32_t mRadius;
}; // CircleShapeCacheEntry
/**
* 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();
ShapeCache(uint32_t maxByteSize);
~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();
protected:
PathTexture* addTexture(const Entry& entry, const SkPath *path, const SkPaint* paint);
PathTexture* get(Entry entry) {
return mCache.get(entry);
}
private:
/**
* Generates the texture from a bitmap into the specified texture structure.
*/
void generateTexture(SkBitmap& bitmap, Texture* texture);
void removeTexture(PathTexture* texture);
void init();
GenerationCache<Entry, PathTexture*> mCache;
uint32_t mSize;
uint32_t mMaxSize;
GLuint mMaxTextureSize;
bool mDebugEnabled;
}; // 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 RoundRectShapeCache
///////////////////////////////////////////////////////////////////////////////
// Constructors/destructor
///////////////////////////////////////////////////////////////////////////////
template<class Entry>
ShapeCache<Entry>::ShapeCache():
mCache(GenerationCache<ShapeCacheEntry, PathTexture*>::kUnlimitedCapacity),
mSize(0), mMaxSize(MB(DEFAULT_SHAPE_CACHE_SIZE)) {
char property[PROPERTY_VALUE_MAX];
if (property_get(PROPERTY_SHAPE_CACHE_SIZE, property, NULL) > 0) {
LOGD(" Setting shape cache size to %sMB", property);
setMaxSize(MB(atof(property)));
} else {
LOGD(" Using default shape cache size of %.2fMB", DEFAULT_SHAPE_CACHE_SIZE);
}
init();
}
template<class Entry>
ShapeCache<Entry>::ShapeCache(uint32_t maxByteSize):
mCache(GenerationCache<ShapeCacheEntry, PathTexture*>::kUnlimitedCapacity),
mSize(0), mMaxSize(maxByteSize) {
init();
}
template<class Entry>
ShapeCache<Entry>::~ShapeCache() {
mCache.clear();
}
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 path: name, size, mSize = %d, %d, %d",
texture->id, size, mSize);
if (mDebugEnabled) {
LOGD("Path deleted, size = %d", size);
}
glDeleteTextures(1, &texture->id);
delete texture;
}
}
template<class Entry>
PathTexture* ShapeCache<Entry>::addTexture(const Entry& entry, const SkPath *path,
const SkPaint* paint) {
const SkRect& bounds = path->getBounds();
const float pathWidth = fmax(bounds.width(), 1.0f);
const float pathHeight = fmax(bounds.height(), 1.0f);
if (pathWidth > mMaxTextureSize || pathHeight > mMaxTextureSize) {
LOGW("Shape too large to be rendered into a texture");
return NULL;
}
const float offset = paint->getStrokeWidth() * 1.5f;
const uint32_t width = uint32_t(pathWidth + offset * 2.0 + 0.5);
const uint32_t height = uint32_t(pathHeight + offset * 2.0 + 0.5);
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();
}
}
PathTexture* texture = new PathTexture;
texture->left = bounds.fLeft;
texture->top = bounds.fTop;
texture->offset = offset;
texture->width = width;
texture->height = height;
texture->generation = path->getGenerationID();
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kA8_Config, width, height);
bitmap.allocPixels();
bitmap.eraseColor(0);
SkPaint pathPaint(*paint);
// Make sure the paint is opaque, color, alpha, filter, etc.
// will be applied later when compositing the alpha8 texture
pathPaint.setColor(0xff000000);
pathPaint.setAlpha(255);
pathPaint.setColorFilter(NULL);
pathPaint.setMaskFilter(NULL);
pathPaint.setShader(NULL);
SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrc_Mode);
pathPaint.setXfermode(mode)->safeUnref();
SkCanvas canvas(bitmap);
canvas.translate(-bounds.fLeft + offset, -bounds.fTop + offset);
canvas.drawPath(*path, pathPaint);
generateTexture(bitmap, texture);
if (size < mMaxSize) {
mSize += size;
SHAPE_LOGD("ShapeCache::get: create path: name, size, mSize = %d, %d, %d",
texture->id, size, mSize);
if (mDebugEnabled) {
LOGD("Shape created, size = %d", size);
}
mCache.put(entry, texture);
} else {
texture->cleanup = true;
}
return texture;
}
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()) {
LOGE("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());
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
}
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_SHAPE_CACHE_H

View File

@@ -24,6 +24,15 @@
android:label="HwUi"
android:hardwareAccelerated="true">
<activity
android:name="ShapesActivity"
android:label="_Shapes">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name="SimplePatchActivity"
android:label="_SimplePatch"

View File

@@ -0,0 +1,92 @@
/*
* 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 com.android.test.hwui;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.os.Bundle;
import android.view.View;
@SuppressWarnings({"UnusedDeclaration"})
public class ShapesActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new ShapesView(this));
}
static class ShapesView extends View {
private Paint mNormalPaint;
private Paint mStrokePaint;
private Paint mFillPaint;
private RectF mRect;
ShapesView(Context c) {
super(c);
mRect = new RectF(0.0f, 0.0f, 160.0f, 90.0f);
mNormalPaint = new Paint();
mNormalPaint.setAntiAlias(true);
mNormalPaint.setColor(0xff0000ff);
mNormalPaint.setStrokeWidth(6.0f);
mNormalPaint.setStyle(Paint.Style.FILL_AND_STROKE);
mStrokePaint = new Paint();
mStrokePaint.setAntiAlias(true);
mStrokePaint.setColor(0xff0000ff);
mStrokePaint.setStrokeWidth(6.0f);
mStrokePaint.setStyle(Paint.Style.STROKE);
mFillPaint = new Paint();
mFillPaint.setAntiAlias(true);
mFillPaint.setColor(0xff0000ff);
mFillPaint.setStyle(Paint.Style.FILL);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.save();
canvas.translate(50.0f, 50.0f);
canvas.drawRoundRect(mRect, 6.0f, 6.0f, mNormalPaint);
canvas.translate(0.0f, 110.0f);
canvas.drawRoundRect(mRect, 6.0f, 6.0f, mStrokePaint);
canvas.translate(0.0f, 110.0f);
canvas.drawRoundRect(mRect, 6.0f, 6.0f, mFillPaint);
canvas.restore();
canvas.save();
canvas.translate(250.0f, 50.0f);
canvas.drawCircle(80.0f, 45.0f, 45.0f, mNormalPaint);
canvas.translate(0.0f, 110.0f);
canvas.drawCircle(80.0f, 45.0f, 45.0f, mStrokePaint);
canvas.translate(0.0f, 110.0f);
canvas.drawCircle(80.0f, 45.0f, 45.0f, mFillPaint);
canvas.restore();
}
}
}