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Refactor SkCanvas so that backends don't need to override it.

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Methods or classes that should go away are marked deprecated. The only thing I know of that breaks backward compatibility is SkCanvas((SkDevice*)NULL), but that is fairly unlikely to occur in the wild because that constructor had a default value of NULL.

Review URL: http://codereview.appspot.com/2103045

git-svn-id: http://skia.googlecode.com/svn/trunk@604 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
vandebo@chromium.org 2010-10-13 22:13:05 +00:00
parent 60eaa398eb
commit 8d84fac294
9 changed files with 309 additions and 280 deletions
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47
include/core/SkCanvas.h
View File

@ -29,6 +29,7 @@
class SkBounder;
class SkDevice;
class SkDeviceFactory;
class SkDraw;
class SkDrawFilter;
class SkPicture;
@ -51,29 +52,37 @@ class SkShape;
*/
class SkCanvas : public SkRefCnt {
public:
/** Construct a canvas with the specified bitmap to draw into.
/** Construct a canvas with the given device factory.
@param factory Specify the factory for generating additional devices.
The factory may be null, in which case SkDeviceFactory
will be used.
*/
explicit SkCanvas(SkDeviceFactory* factory = NULL);
/** Construct a canvas with the specified device to draw into. The device
factory will be retrieved from the passed device.
@param device Specifies a device for the canvas to draw into.
*/
explicit SkCanvas(SkDevice* device);
/** Deprecated - Construct a canvas with the specified bitmap to draw into.
@param bitmap Specifies a bitmap for the canvas to draw into. Its
structure are copied to the canvas.
*/
explicit SkCanvas(const SkBitmap& bitmap);
/** Construct a canvas with the specified device to draw into.
@param device Specifies a device for the canvas to draw into. The
device may be null.
*/
explicit SkCanvas(SkDevice* device = NULL);
virtual ~SkCanvas();
///////////////////////////////////////////////////////////////////////////
/** If this subclass of SkCanvas supports GL viewports, return true and set
size (if not null) to the size of the viewport. If it is not supported,
ignore vp and return false.
/** If the Device supports GL viewports, return true and set size (if not
null) to the size of the viewport. If it is not supported, ignore size
and return false.
*/
virtual bool getViewport(SkIPoint* size) const;
/** If this subclass of SkCanvas supports GL viewports, return true and set
the viewport to the specified x and y dimensions. If it is not
supported, ignore x and y and return false.
/** If the Device supports GL viewports, return true and set the viewport
to the specified x and y dimensions. If it is not supported, ignore x
and y and return false.
*/
virtual bool setViewport(int x, int y);
@ -88,15 +97,16 @@ public:
device, its reference count is decremented. The new device is returned.
*/
SkDevice* setDevice(SkDevice* device);
/** Specify a bitmap for the canvas to draw into. This is a help method for
setDevice(), and it creates a device for the bitmap by calling
createDevice(). The structure of the bitmap is copied into the device.
/** Deprecated - Specify a bitmap for the canvas to draw into. This is a
helper method for setDevice(), and it creates a device for the bitmap by
calling createDevice(). The structure of the bitmap is copied into the
device.
*/
virtual SkDevice* setBitmapDevice(const SkBitmap& bitmap);
///////////////////////////////////////////////////////////////////////////
enum SaveFlags {
/** save the matrix state, restoring it on restore() */
kMatrix_SaveFlag = 0x01,
@ -749,6 +759,7 @@ private:
SkBounder* fBounder;
SkDevice* fLastDeviceToGainFocus;
SkDeviceFactory* fDeviceFactory;
void prepareForDeviceDraw(SkDevice*);

42
include/core/SkDevice.h
View File

@ -22,26 +22,52 @@
#include "SkCanvas.h"
#include "SkColor.h"
class SkDevice;
class SkDraw;
struct SkIRect;
class SkMatrix;
class SkRegion;
/** \class SkDeviceFactory
Devices that extend SkDevice should also provide a SkDeviceFactory class
to pass into SkCanvas. Doing so will eliminate the need to extend
SkCanvas as well.
*/
class SkDeviceFactory : public SkRefCnt {
public:
virtual SkDevice* newDevice(SkBitmap::Config config, int width, int height,
bool isOpaque, bool isForLayer) = 0;
enum Capabilities {
kGL_Capability = 0x1, //!< mask to indicate this device supports GL
kAll_Capabilities = 0x1
};
virtual uint32_t getDeviceCapabilities() = 0;
};
class SkRasterDeviceFactory : public SkDeviceFactory {
public:
virtual SkDevice* newDevice(SkBitmap::Config config, int width, int height,
bool isOpaque, bool isForLayer);
virtual uint32_t getDeviceCapabilities() { return 0; }
};
class SkDevice : public SkRefCnt {
public:
SkDevice();
/** Construct a new device, extracting the width/height/config/isOpaque values from
the bitmap. If transferPixelOwnership is true, and the bitmap claims to own its
own pixels (getOwnsPixels() == true), then transfer this responsibility to the
device, and call setOwnsPixels(false) on the bitmap.
Subclasses may override the destructor, which is virtual, even though this class
doesn't have one. SkRefCnt does.
/** Construct a new device, extracting the width/height/config/isOpaque
values from the bitmap. Subclasses may override the destructor, which
is virtual, even though this class doesn't have one. SkRefCnt does.
@param bitmap A copy of this bitmap is made and stored in the device
*/
SkDevice(const SkBitmap& bitmap);
virtual SkDeviceFactory* getDeviceFactory() {
return SkNEW(SkRasterDeviceFactory);
}
/** Return the width of the device (in pixels).
*/
int width() const { return fBitmap.width(); }

73
include/utils/SkGLCanvas.h
View File

@ -18,62 +18,35 @@
#define SkGLCanvas_DEFINED
#include "SkCanvas.h"
#include "SkGLDevice.h"
#ifdef SK_BUILD_FOR_MAC
#include <OpenGL/gl.h>
#elif defined(ANDROID)
#include <GLES/gl.h>
#endif
class SkGLDevice;
class SkGLClipIter;
// Deprecated. You should now use SkGLDevice and SkGLDeviceFactory with
// SkCanvas.
class SkGLCanvas : public SkCanvas {
public:
// notice, we do NOT allow the SkCanvas(bitmap) constructor, since that
// does not create a SkGLDevice, which we require
SkGLCanvas();
virtual ~SkGLCanvas();
SkGLCanvas() : SkCanvas(SkNEW(SkGLDeviceFactory)) {}
// overrides from SkCanvas
virtual bool getViewport(SkIPoint*) const;
virtual bool setViewport(int width, int height);
virtual SkDevice* createDevice(SkBitmap::Config, int width, int height,
bool isOpaque, bool isForLayer);
// settings for the global texture cache
static size_t GetTextureCacheMaxCount();
static void SetTextureCacheMaxCount(size_t count);
static size_t GetTextureCacheMaxSize();
static void SetTextureCacheMaxSize(size_t size);
/** Call glDeleteTextures for all textures (including those for text)
This should be called while the gl-context is still valid. Its purpose
is to free up gl resources. Note that if a bitmap or text is drawn after
this call, new caches will be created.
*/
static void DeleteAllTextures();
/** Forget all textures without calling delete (including those for text).
This should be called if the gl-context has changed, and the texture
IDs that have been cached are no longer valid.
*/
static void AbandonAllTextures();
private:
SkIPoint fViewportSize;
// need to disallow this guy
virtual SkDevice* setBitmapDevice(const SkBitmap& bitmap) {
sk_throw();
return NULL;
static size_t GetTextureCacheMaxCount() {
return SkGLDevice::GetTextureCacheMaxCount();
}
static void SetTextureCacheMaxCount(size_t count) {
SkGLDevice::SetTextureCacheMaxCount(count);
}
typedef SkCanvas INHERITED;
static size_t GetTextureCacheMaxSize() {
return SkGLDevice::GetTextureCacheMaxSize();
}
static void SetTextureCacheMaxSize(size_t size) {
SkGLDevice::SetTextureCacheMaxSize(size);
}
static void DeleteAllTextures() {
SkGLDevice::DeleteAllTextures();
}
static void AbandonAllTextures() {
SkGLDevice::AbandonAllTextures();
}
};
#endif

49
src/core/SkCanvas.cpp
View File

@ -404,8 +404,21 @@ SkDevice* SkCanvas::init(SkDevice* device) {
return this->setDevice(device);
}
SkCanvas::SkCanvas(SkDeviceFactory* factory)
: fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)),
fDeviceFactory(factory) {
inc_canvas();
SkSafeRef(factory);
if (!factory)
fDeviceFactory = SkNEW(SkRasterDeviceFactory);
this->init(NULL);
}
SkCanvas::SkCanvas(SkDevice* device)
: fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) {
: fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)),
fDeviceFactory(device->getDeviceFactory()) {
inc_canvas();
this->init(device);
@ -415,7 +428,9 @@ SkCanvas::SkCanvas(const SkBitmap& bitmap)
: fMCStack(sizeof(MCRec), fMCRecStorage, sizeof(fMCRecStorage)) {
inc_canvas();
this->init(SkNEW_ARGS(SkDevice, (bitmap)))->unref();
SkDevice* device = SkNEW_ARGS(SkDevice, (bitmap));
fDeviceFactory = device->getDeviceFactory();
this->init(device)->unref();
}
SkCanvas::~SkCanvas() {
@ -423,7 +438,8 @@ SkCanvas::~SkCanvas() {
this->restoreToCount(1); // restore everything but the last
this->internalRestore(); // restore the last, since we're going away
fBounder->safeUnref();
SkSafeUnref(fBounder);
SkSafeUnref(fDeviceFactory);
dec_canvas();
}
@ -521,11 +537,21 @@ SkDevice* SkCanvas::setBitmapDevice(const SkBitmap& bitmap) {
//////////////////////////////////////////////////////////////////////////////
bool SkCanvas::getViewport(SkIPoint* size) const {
return false;
if ((fDeviceFactory->getDeviceCapabilities()
& SkDeviceFactory::kGL_Capability) == 0)
return false;
if (size)
size->set(getDevice()->width(), getDevice()->height());
return true;
}
bool SkCanvas::setViewport(int width, int height) {
return false;
if ((fDeviceFactory->getDeviceCapabilities()
& SkDeviceFactory::kGL_Capability) == 0)
return false;
this->setDevice(createDevice(SkBitmap::kARGB_8888_Config, width, height,
false, false))->unref();
return true;
}
void SkCanvas::updateDeviceCMCache() {
@ -1004,18 +1030,9 @@ const SkRegion& SkCanvas::getTotalClip() const {
SkDevice* SkCanvas::createDevice(SkBitmap::Config config, int width,
int height, bool isOpaque, bool isForLayer) {
SkBitmap bitmap;
bitmap.setConfig(config, width, height);
bitmap.setIsOpaque(isOpaque);
// should this happen in the device subclass?
bitmap.allocPixels();
if (!bitmap.isOpaque()) {
bitmap.eraseARGB(0, 0, 0, 0);
}
return SkNEW_ARGS(SkDevice, (bitmap));
return fDeviceFactory->newDevice(config, width, height, isOpaque,
isForLayer);
}
//////////////////////////////////////////////////////////////////////////////

12
src/core/SkDevice.cpp
View File

@ -107,4 +107,16 @@ void SkDevice::drawDevice(const SkDraw& draw, SkDevice* device,
draw.drawSprite(device->accessBitmap(false), x, y, paint);
}
SkDevice* SkRasterDeviceFactory::newDevice(SkBitmap::Config config, int width,
int height, bool isOpaque,
bool isForLayer) {
SkBitmap bitmap;
bitmap.setConfig(config, width, height);
bitmap.setIsOpaque(isOpaque);
bitmap.allocPixels();
if (!bitmap.isOpaque())
bitmap.eraseARGB(0, 0, 0, 0);
return SkNEW_ARGS(SkDevice, (bitmap));
}

180
src/gl/SkGLCanvas.cpp
View File

@ -1,180 +0,0 @@
#include "SkGLCanvas.h"
#include "SkGLDevice.h"
#include "SkBlitter.h"
#include "SkDraw.h"
#include "SkDrawProcs.h"
#include "SkGL.h"
#include "SkGlyphCache.h"
#include "SkTemplates.h"
#include "SkUtils.h"
#include "SkXfermode.h"
#ifdef SK_GL_DEVICE_FBO
#define USE_FBO_DEVICE
#include "SkGLDevice_FBO.h"
#else
#define USE_SWLAYER_DEVICE
#include "SkGLDevice_SWLayer.h"
#endif
// maximum number of entries in our texture cache (before purging)
#define kTexCountMax_Default 256
// maximum number of bytes used (by gl) for the texture cache (before purging)
#define kTexSizeMax_Default (4 * 1024 * 1024)
///////////////////////////////////////////////////////////////////////////////
SkGLCanvas::SkGLCanvas() {
glEnable(GL_TEXTURE_2D);
glEnable(GL_SCISSOR_TEST);
glEnableClientState(GL_VERTEX_ARRAY);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
fViewportSize.set(0, 0);
}
SkGLCanvas::~SkGLCanvas() {
// call this now, while our override of restore() is in effect
this->restoreToCount(1);
}
///////////////////////////////////////////////////////////////////////////////
bool SkGLCanvas::getViewport(SkIPoint* size) const {
if (size) {
*size = fViewportSize;
}
return true;
}
bool SkGLCanvas::setViewport(int width, int height) {
fViewportSize.set(width, height);
const bool isOpaque = false; // should this be a parameter to setViewport?
const bool isForLayer = false; // viewport is the base layer
SkDevice* device = this->createDevice(SkBitmap::kARGB_8888_Config, width,
height, isOpaque, isForLayer);
this->setDevice(device)->unref();
return true;
}
SkDevice* SkGLCanvas::createDevice(SkBitmap::Config, int width, int height,
bool isOpaque, bool isForLayer) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
bitmap.setIsOpaque(isOpaque);
#ifdef USE_FBO_DEVICE
return SkNEW_ARGS(SkGLDevice_FBO, (bitmap, isForLayer));
#elif defined(USE_SWLAYER_DEVICE)
if (isForLayer) {
bitmap.allocPixels();
if (!bitmap.isOpaque()) {
bitmap.eraseColor(0);
}
return SkNEW_ARGS(SkGLDevice_SWLayer, (bitmap));
} else {
return SkNEW_ARGS(SkGLDevice, (bitmap, isForLayer));
}
#else
return SkNEW_ARGS(SkGLDevice, (bitmap, isForLayer));
#endif
}
///////////////////////////////////////////////////////////////////////////////
#include "SkTextureCache.h"
#include "SkThread.h"
static SkMutex gTextureCacheMutex;
static SkTextureCache gTextureCache(kTexCountMax_Default, kTexSizeMax_Default);
SkGLDevice::TexCache* SkGLDevice::LockTexCache(const SkBitmap& bitmap,
GLuint* name, SkPoint* size) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
SkTextureCache::Entry* entry = gTextureCache.lock(bitmap);
if (NULL != entry) {
if (name) {
*name = entry->name();
}
if (size) {
*size = entry->texSize();
}
}
return (TexCache*)entry;
}
void SkGLDevice::UnlockTexCache(TexCache* cache) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
gTextureCache.unlock((SkTextureCache::Entry*)cache);
}
// public exposure of texture cache settings
size_t SkGLCanvas::GetTextureCacheMaxCount() {
SkAutoMutexAcquire amc(gTextureCacheMutex);
return gTextureCache.getMaxCount();
}
size_t SkGLCanvas::GetTextureCacheMaxSize() {
SkAutoMutexAcquire amc(gTextureCacheMutex);
return gTextureCache.getMaxSize();
}
void SkGLCanvas::SetTextureCacheMaxCount(size_t count) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
gTextureCache.setMaxCount(count);
}
void SkGLCanvas::SetTextureCacheMaxSize(size_t size) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
gTextureCache.setMaxSize(size);
}
///////////////////////////////////////////////////////////////////////////////
#include "SkGLTextCache.h"
static bool deleteCachesProc(SkGlyphCache* cache, void* texturesAreValid) {
void* auxData;
if (cache->getAuxProcData(SkGLDevice::GlyphCacheAuxProc, &auxData)) {
bool valid = texturesAreValid != NULL;
SkGLTextCache* textCache = static_cast<SkGLTextCache*>(auxData);
// call this before delete, in case valid is false
textCache->deleteAllStrikes(valid);
// now free the memory for the cache itself
SkDELETE(textCache);
// now remove the entry in the glyphcache (does not call the proc)
cache->removeAuxProc(SkGLDevice::GlyphCacheAuxProc);
}
return false; // keep going
}
void SkGLCanvas::DeleteAllTextures() {
// free the textures in our cache
gTextureCacheMutex.acquire();
gTextureCache.deleteAllCaches(true);
gTextureCacheMutex.release();
// now free the textures in the font cache
SkGlyphCache::VisitAllCaches(deleteCachesProc, reinterpret_cast<void*>(true));
}
void SkGLCanvas::AbandonAllTextures() {
// abandon the textures in our cache
gTextureCacheMutex.acquire();
gTextureCache.deleteAllCaches(false);
gTextureCacheMutex.release();
// abandon the textures in the font cache
SkGlyphCache::VisitAllCaches(deleteCachesProc, reinterpret_cast<void*>(false));
}

140
src/gl/SkGLDevice.cpp
View File

@ -4,6 +4,19 @@
#include "SkRegion.h"
#include "SkThread.h"
#ifdef SK_GL_DEVICE_FBO
#define USE_FBO_DEVICE
#include "SkGLDevice_FBO.h"
#else
#define USE_SWLAYER_DEVICE
#include "SkGLDevice_SWLayer.h"
#endif
// maximum number of entries in our texture cache (before purging)
#define kTexCountMax_Default 256
// maximum number of bytes used (by gl) for the texture cache (before purging)
#define kTexSizeMax_Default (4 * 1024 * 1024)
static void TRACE_DRAW(const char func[], SkGLDevice* device,
const SkDraw& draw) {
// SkDebugf("--- <%s> %p %p\n", func, canvas, draw.fDevice);
@ -69,8 +82,39 @@ private:
///////////////////////////////////////////////////////////////////////////////
SkDevice* SkGLDeviceFactory::newDevice(SkBitmap::Config config, int width,
int height, bool isOpaque,
bool isForLayer) {
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
bitmap.setIsOpaque(isOpaque);
#ifdef USE_FBO_DEVICE
return SkNEW_ARGS(SkGLDevice_FBO, (bitmap, isForLayer));
#elif defined(USE_SWLAYER_DEVICE)
if (isForLayer) {
bitmap.allocPixels();
if (!bitmap.isOpaque()) {
bitmap.eraseColor(0);
}
return SkNEW_ARGS(SkGLDevice_SWLayer, (bitmap));
} else {
return SkNEW_ARGS(SkGLDevice, (bitmap, isForLayer));
}
#else
return SkNEW_ARGS(SkGLDevice, (bitmap, isForLayer));
#endif
}
SkGLDevice::SkGLDevice(const SkBitmap& bitmap, bool offscreen)
: SkDevice(bitmap), fClipIter(bitmap.height()) {
glEnable(GL_TEXTURE_2D);
glEnable(GL_SCISSOR_TEST);
glEnableClientState(GL_VERTEX_ARRAY);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
fDrawProcs = NULL;
}
@ -811,3 +855,99 @@ void SkGLDevice::drawTextOnPath(const SkDraw& draw, const void* text,
SkGL_unimpl("drawTextOnPath");
}
///////////////////////////////////////////////////////////////////////////////
#include "SkTextureCache.h"
#include "SkThread.h"
static SkMutex gTextureCacheMutex;
static SkTextureCache gTextureCache(kTexCountMax_Default, kTexSizeMax_Default);
SkGLDevice::TexCache* SkGLDevice::LockTexCache(const SkBitmap& bitmap,
GLuint* name, SkPoint* size) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
SkTextureCache::Entry* entry = gTextureCache.lock(bitmap);
if (NULL != entry) {
if (name) {
*name = entry->name();
}
if (size) {
*size = entry->texSize();
}
}
return (TexCache*)entry;
}
void SkGLDevice::UnlockTexCache(TexCache* cache) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
gTextureCache.unlock((SkTextureCache::Entry*)cache);
}
// public exposure of texture cache settings
size_t SkGLDevice::GetTextureCacheMaxCount() {
SkAutoMutexAcquire amc(gTextureCacheMutex);
return gTextureCache.getMaxCount();
}
size_t SkGLDevice::GetTextureCacheMaxSize() {
SkAutoMutexAcquire amc(gTextureCacheMutex);
return gTextureCache.getMaxSize();
}
void SkGLDevice::SetTextureCacheMaxCount(size_t count) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
gTextureCache.setMaxCount(count);
}
void SkGLDevice::SetTextureCacheMaxSize(size_t size) {
SkAutoMutexAcquire amc(gTextureCacheMutex);
gTextureCache.setMaxSize(size);
}
///////////////////////////////////////////////////////////////////////////////
#include "SkGLTextCache.h"
static bool deleteCachesProc(SkGlyphCache* cache, void* texturesAreValid) {
void* auxData;
if (cache->getAuxProcData(SkGLDevice::GlyphCacheAuxProc, &auxData)) {
bool valid = texturesAreValid != NULL;
SkGLTextCache* textCache = static_cast<SkGLTextCache*>(auxData);
// call this before delete, in case valid is false
textCache->deleteAllStrikes(valid);
// now free the memory for the cache itself
SkDELETE(textCache);
// now remove the entry in the glyphcache (does not call the proc)
cache->removeAuxProc(SkGLDevice::GlyphCacheAuxProc);
}
return false; // keep going
}
void SkGLDevice::DeleteAllTextures() {
// free the textures in our cache
gTextureCacheMutex.acquire();
gTextureCache.deleteAllCaches(true);
gTextureCacheMutex.release();
// now free the textures in the font cache
SkGlyphCache::VisitAllCaches(deleteCachesProc, reinterpret_cast<void*>(true)
);
}
void SkGLDevice::AbandonAllTextures() {
// abandon the textures in our cache
gTextureCacheMutex.acquire();
gTextureCache.deleteAllCaches(false);
gTextureCacheMutex.release();
// abandon the textures in the font cache
SkGlyphCache::VisitAllCaches(deleteCachesProc, reinterpret_cast<void*>(false
));
}

38
src/gl/SkGLDevice.h
View File

@ -5,6 +5,19 @@
#include "SkGL.h"
#include "SkRegion.h"
#ifdef SK_BUILD_FOR_MAC
#include <OpenGL/gl.h>
#elif defined(ANDROID)
#include <GLES/gl.h>
#endif
class SkGLDeviceFactory : public SkDeviceFactory {
public:
virtual SkDevice* newDevice(SkBitmap::Config config, int width, int height,
bool isOpaque, bool isForLayer);
virtual uint32_t getDeviceCapabilities() { return kGL_Capability; }
};
struct SkGLDrawProcs;
class SkGLDevice : public SkDevice {
@ -12,6 +25,10 @@ public:
SkGLDevice(const SkBitmap& bitmap, bool offscreen);
virtual ~SkGLDevice();
virtual SkDeviceFactory* getDeviceFactory() {
return SkNEW(SkGLDeviceFactory);
}
// used to identify GLTextCache data in the glyphcache
static void GlyphCacheAuxProc(void* data);
@ -63,6 +80,27 @@ public:
virtual void drawDevice(const SkDraw&, SkDevice*, int x, int y,
const SkPaint&);
// settings for the global texture cache
static size_t GetTextureCacheMaxCount();
static void SetTextureCacheMaxCount(size_t count);
static size_t GetTextureCacheMaxSize();
static void SetTextureCacheMaxSize(size_t size);
/** Call glDeleteTextures for all textures (including those for text)
This should be called while the gl-context is still valid. Its purpose
is to free up gl resources. Note that if a bitmap or text is drawn after
this call, new caches will be created.
*/
static void DeleteAllTextures();
/** Forget all textures without calling delete (including those for text).
This should be called if the gl-context has changed, and the texture
IDs that have been cached are no longer valid.
*/
static void AbandonAllTextures();
protected:
/** Return the current glmatrix, from a previous call to setMatrixClip */
const SkMatrix& matrix() const { return fMatrix; }

8
xcode/sampleapp/SampleApp.xcodeproj/project.pbxproj
View File

@ -26,7 +26,6 @@
0001FB87110E35E500C1D647 /* AGL.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0001FB86110E35E500C1D647 /* AGL.framework */; };
0001FB8A110E35FA00C1D647 /* OpenGL.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 0001FB89110E35FA00C1D647 /* OpenGL.framework */; };
0001FB94110E362F00C1D647 /* SkGL.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0001FB8D110E362F00C1D647 /* SkGL.cpp */; };
0001FB95110E362F00C1D647 /* SkGLCanvas.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0001FB8E110E362F00C1D647 /* SkGLCanvas.cpp */; };
0001FB96110E362F00C1D647 /* SkGLDevice.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0001FB8F110E362F00C1D647 /* SkGLDevice.cpp */; };
0001FB97110E362F00C1D647 /* SkGLDevice_FBO.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0001FB90110E362F00C1D647 /* SkGLDevice_FBO.cpp */; };
0001FB98110E362F00C1D647 /* SkGLState.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0001FB91110E362F00C1D647 /* SkGLState.cpp */; };
@ -99,7 +98,6 @@
27005D5F10095B2B00E275B6 /* SampleCircle.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 0041CE200F00A12400695E8C /* SampleCircle.cpp */; };
27433F1E11A1874A0045AD84 /* SampleSVG.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 27CAAB9B119B32670017B155 /* SampleSVG.cpp */; };
27433F3311A18EA60045AD84 /* SampleTextEffects.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 007A7CAD0F01658C00A2D6EE /* SampleTextEffects.cpp */; };
27433F4911A1D24E0045AD84 /* SampleMessages.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 27433F4811A1D24E0045AD84 /* SampleMessages.cpp */; };
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275E802311AAC3330051C03A /* SampleVertices.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 007A7CB10F01658C00A2D6EE /* SampleVertices.cpp */; };
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