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Upstream changes from Android.

Browse Source 
Review URL: https://codereview.chromium.org/12699002

git-svn-id: http://skia.googlecode.com/svn/trunk@8045 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
djsollen@google.com 2013-03-08 18:35:13 +00:00
parent 184487c808
commit 4bd2bdbf04
11 changed files with 117 additions and 55 deletions
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23
include/core/SkBitmap.h
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@ -542,6 +542,20 @@ public:
*/
int extractMipLevel(SkBitmap* dst, SkFixed sx, SkFixed sy);
#ifdef SK_BUILD_FOR_ANDROID
bool hasHardwareMipMap() const {
return (fFlags & kHasHardwareMipMap_Flag) != 0;
}
void setHasHardwareMipMap(bool hasHardwareMipMap) {
if (hasHardwareMipMap) {
fFlags |= kHasHardwareMipMap_Flag;
} else {
fFlags &= ~kHasHardwareMipMap_Flag;
}
}
#endif
bool extractAlpha(SkBitmap* dst) const {
return this->extractAlpha(dst, NULL, NULL, NULL);
}
@ -642,7 +656,14 @@ private:
enum Flags {
kImageIsOpaque_Flag = 0x01,
kImageIsVolatile_Flag = 0x02,
kImageIsImmutable_Flag = 0x04
kImageIsImmutable_Flag = 0x04,
#ifdef SK_BUILD_FOR_ANDROID
/* A hint for the renderer responsible for drawing this bitmap
* indicating that it should attempt to use mipmaps when this bitmap
* is drawn scaled down.
*/
kHasHardwareMipMap_Flag = 0x08,
#endif
};
uint32_t fRowBytes;

7
include/core/SkPaint.h
View File

@ -850,11 +850,12 @@ public:
const SkPoint pos[], SkPath* path) const;
#ifdef SK_BUILD_FOR_ANDROID
const SkGlyph& getUnicharMetrics(SkUnichar);
const SkGlyph& getGlyphMetrics(uint16_t);
const void* findImage(const SkGlyph&);
const SkGlyph& getUnicharMetrics(SkUnichar, const SkMatrix*);
const SkGlyph& getGlyphMetrics(uint16_t, const SkMatrix*);
const void* findImage(const SkGlyph&, const SkMatrix*);
uint32_t getGenerationID() const;
void setGenerationID(uint32_t generationID);
/** Returns the base glyph count for the strike associated with this paint
*/

6
include/core/SkRRect.h
View File

@ -188,12 +188,14 @@ public:
friend bool operator==(const SkRRect& a, const SkRRect& b) {
return a.fRect == b.fRect &&
SkScalarsEqual((SkScalar*) a.fRadii, (SkScalar*) b.fRadii, 8);
SkScalarsEqual(a.fRadii[0].asScalars(),
b.fRadii[0].asScalars(), 8);
}
friend bool operator!=(const SkRRect& a, const SkRRect& b) {
return a.fRect != b.fRect ||
!SkScalarsEqual((SkScalar*) a.fRadii, (SkScalar*) b.fRadii, 8);
!SkScalarsEqual(a.fRadii[0].asScalars(),
b.fRadii[0].asScalars(), 8);
}
/**

7
include/core/SkThread_platform.h
View File

@ -61,13 +61,14 @@ static inline __attribute__((always_inline)) void sk_membar_aquire__after_atomic
#define sk_atomic_inc(addr) android_atomic_inc(addr)
#define sk_atomic_add(addr, inc) android_atomic_add(inc, addr)
#define sk_atomic_dec(addr) android_atomic_dec(addr)
void sk_membar_aquire__after_atomic_dec() {
static inline __attribute__((always_inline)) void sk_membar_aquire__after_atomic_dec() {
//HACK: Android is actually using full memory barriers.
// Should this change, uncomment below.
//int dummy;
//android_atomic_aquire_store(0, &dummy);
}
int32_t sk_atomic_conditional_inc(int32_t* addr) {
static inline __attribute__((always_inline)) int32_t sk_atomic_conditional_inc(int32_t* addr) {
while (true) {
int32_t value = *addr;
if (value == 0) {
@ -78,7 +79,7 @@ int32_t sk_atomic_conditional_inc(int32_t* addr) {
}
}
}
void sk_membar_aquire__after_atomic_conditional_inc() {
static inline __attribute__((always_inline)) void sk_membar_aquire__after_atomic_conditional_inc() {
//HACK: Android is actually using full memory barriers.
// Should this change, uncomment below.
//int dummy;

28
src/core/SkPaint.cpp
View File

@ -176,6 +176,10 @@ void SkPaint::reset() {
uint32_t SkPaint::getGenerationID() const {
return fGenerationID;
}
void SkPaint::setGenerationID(uint32_t generationID) {
fGenerationID = generationID;
}
#endif
#ifdef SK_BUILD_FOR_ANDROID
@ -415,9 +419,10 @@ static void DetachDescProc(const SkDescriptor* desc, void* context) {
}
#ifdef SK_BUILD_FOR_ANDROID
const SkGlyph& SkPaint::getUnicharMetrics(SkUnichar text) {
const SkGlyph& SkPaint::getUnicharMetrics(SkUnichar text,
const SkMatrix* deviceMatrix) {
SkGlyphCache* cache;
descriptorProc(NULL, NULL, DetachDescProc, &cache, true);
descriptorProc(NULL, deviceMatrix, DetachDescProc, &cache, true);
const SkGlyph& glyph = cache->getUnicharMetrics(text);
@ -425,9 +430,10 @@ const SkGlyph& SkPaint::getUnicharMetrics(SkUnichar text) {
return glyph;
}
const SkGlyph& SkPaint::getGlyphMetrics(uint16_t glyphId) {
const SkGlyph& SkPaint::getGlyphMetrics(uint16_t glyphId,
const SkMatrix* deviceMatrix) {
SkGlyphCache* cache;
descriptorProc(NULL, NULL, DetachDescProc, &cache, true);
descriptorProc(NULL, deviceMatrix, DetachDescProc, &cache, true);
const SkGlyph& glyph = cache->getGlyphIDMetrics(glyphId);
@ -435,10 +441,11 @@ const SkGlyph& SkPaint::getGlyphMetrics(uint16_t glyphId) {
return glyph;
}
const void* SkPaint::findImage(const SkGlyph& glyph) {
const void* SkPaint::findImage(const SkGlyph& glyph,
const SkMatrix* deviceMatrix) {
// See ::detachCache()
SkGlyphCache* cache;
descriptorProc(NULL, NULL, DetachDescProc, &cache, true);
descriptorProc(NULL, deviceMatrix, DetachDescProc, &cache, true);
const void* image = cache->findImage(glyph);
@ -900,17 +907,26 @@ public:
fTextSize = paint->getTextSize();
fStyle = paint->getStyle();
fPaint->setStyle(SkPaint::kFill_Style);
#ifdef SK_BUILD_FOR_ANDROID
fGenerationID = fPaint->getGenerationID();
#endif
}
~SkAutoRestorePaintTextSizeAndFrame() {
fPaint->setStyle(fStyle);
fPaint->setTextSize(fTextSize);
#ifdef SK_BUILD_FOR_ANDROID
fPaint->setGenerationID(fGenerationID);
#endif
}
private:
SkPaint* fPaint;
SkScalar fTextSize;
SkPaint::Style fStyle;
#ifdef SK_BUILD_FOR_ANDROID
uint32_t fGenerationID;
#endif
};
static void set_bounds(const SkGlyph& g, SkRect* bounds) {

6
src/core/SkPath.cpp
View File

@ -1680,6 +1680,12 @@ void SkPath::transform(const SkMatrix& matrix, SkPath* dst) const {
dst->fConvexity = fConvexity;
}
#ifdef SK_BUILD_FOR_ANDROID
if (!matrix.isIdentity()) {
GEN_ID_PTR_INC(dst);
}
#endif
if (kUnknown_Direction == fDirection) {
dst->fDirection = kUnknown_Direction;
} else {

60
src/core/SkScalerContext.cpp
View File

@ -178,7 +178,35 @@ SkScalerContext* SkScalerContext::getGlyphContext(const SkGlyph& glyph) {
return ctx;
}
SkScalerContext* SkScalerContext::getContextFromChar(SkUnichar uni,
uint16_t* glyphID) {
SkScalerContext* ctx = this;
for (;;) {
const uint16_t glyph = ctx->generateCharToGlyph(uni);
if (glyph) {
if (NULL != glyphID) {
*glyphID = glyph;
}
break; // found it
}
ctx = ctx->getNextContext();
if (NULL == ctx) {
return NULL;
}
}
return ctx;
}
#ifdef SK_BUILD_FOR_ANDROID
SkFontID SkScalerContext::findTypefaceIdForChar(SkUnichar uni) {
SkScalerContext* ctx = this->getContextFromChar(uni, NULL);
if (NULL != ctx) {
return ctx->fRec.fFontID;
} else {
return 0;
}
}
/* This loops through all available fallback contexts (if needed) until it
finds some context that can handle the unichar and return it.
@ -186,42 +214,28 @@ SkScalerContext* SkScalerContext::getGlyphContext(const SkGlyph& glyph) {
char of a run.
*/
unsigned SkScalerContext::getBaseGlyphCount(SkUnichar uni) {
SkScalerContext* ctx = this;
unsigned glyphID;
for (;;) {
glyphID = ctx->generateCharToGlyph(uni);
if (glyphID) {
break; // found it
}
ctx = ctx->getNextContext();
if (NULL == ctx) {
SkDebugf("--- no context for char %x\n", uni);
// just return the original context (this)
SkScalerContext* ctx = this->getContextFromChar(uni, NULL);
if (NULL != ctx) {
return ctx->fBaseGlyphCount;
} else {
SkDEBUGF(("--- no context for char %x\n", uni));
return this->fBaseGlyphCount;
}
}
return ctx->fBaseGlyphCount;
}
#endif
/* This loops through all available fallback contexts (if needed) until it
finds some context that can handle the unichar. If all fail, returns 0
*/
uint16_t SkScalerContext::charToGlyphID(SkUnichar uni) {
SkScalerContext* ctx = this;
unsigned glyphID;
for (;;) {
glyphID = ctx->generateCharToGlyph(uni);
if (glyphID) {
break; // found it
}
ctx = ctx->getNextContext();
uint16_t tempID;
SkScalerContext* ctx = this->getContextFromChar(uni, &tempID);
if (NULL == ctx) {
return 0; // no more contexts, return missing glyph
}
}
// add the ctx's base, making glyphID unique for chain of contexts
glyphID += ctx->fBaseGlyphCount;
unsigned glyphID = tempID + ctx->fBaseGlyphCount;
// check for overflow of 16bits, since our glyphID cannot exceed that
if (glyphID > 0xFFFF) {
glyphID = 0;

16
src/core/SkScalerContext.h
View File

@ -190,16 +190,7 @@ public:
// This function must be public for SkTypeface_android.h, but should not be
// called by other callers
SkFontID findTypefaceIdForChar(SkUnichar uni) {
SkScalerContext* ctx = this;
while (NULL != ctx) {
if (ctx->generateCharToGlyph(uni)) {
return ctx->fRec.fFontID;
}
ctx = ctx->getNextContext();
}
return 0;
}
SkFontID findTypefaceIdForChar(SkUnichar uni);
#endif
static inline void MakeRec(const SkPaint&, const SkDeviceProperties* deviceProperties,
@ -245,6 +236,11 @@ private:
// is found, just returns the original context (this)
SkScalerContext* getGlyphContext(const SkGlyph& glyph);
// returns the right context from our link-list for this char. If no match
// is found it returns NULL. If a match is found then the glyphID param is
// set to the glyphID that maps to the provided char.
SkScalerContext* getContextFromChar(SkUnichar uni, uint16_t* glyphID);
// link-list of context, to handle missing chars. null-terminated.
SkScalerContext* fNextContext;

2
src/effects/SkMagnifierImageFilter.cpp
View File

@ -10,8 +10,6 @@
#include "SkColorPriv.h"
#include "SkFlattenableBuffers.h"
#include <algorithm>
////////////////////////////////////////////////////////////////////////////////
#if SK_SUPPORT_GPU
#include "effects/GrSingleTextureEffect.h"

7
src/ports/SkFontHost_FreeType.cpp
View File

@ -694,6 +694,13 @@ void SkFontHost::FilterRec(SkScalerContext::Rec* rec, SkTypeface*) {
#ifdef SK_BUILD_FOR_ANDROID
uint32_t SkFontHost::GetUnitsPerEm(SkFontID fontID) {
SkAutoMutexAcquire ac(gFTMutex);
FT_Library libInit = NULL;
if (gFTCount == 0) {
if (!InitFreetype())
sk_throw();
libInit = gFTLibrary;
}
SkAutoTCallIProc<struct FT_LibraryRec_, FT_Done_FreeType> ftLib(libInit);
SkFaceRec *rec = ref_ft_face(fontID);
uint16_t unitsPerEm = 0;

4
tests/MatrixTest.cpp
View File

@ -38,7 +38,7 @@ static bool are_equal(skiatest::Reporter* reporter,
bool equal = a == b;
bool cheapEqual = a.cheapEqualTo(b);
if (equal != cheapEqual) {
#if SK_SCALAR_IS_FLOAT
#ifdef SK_SCALAR_IS_FLOAT
if (equal) {
bool foundZeroSignDiff = false;
for (int i = 0; i < 9; ++i) {
@ -287,7 +287,7 @@ static void test_matrix_is_similarity(skiatest::Reporter* reporter) {
mat.setPerspY(SkScalarToPersp(SK_Scalar1 / 2));
REPORTER_ASSERT(reporter, !mat.isSimilarity());
#if SK_SCALAR_IS_FLOAT
#ifdef SK_SCALAR_IS_FLOAT
/* We bypass the following tests for SK_SCALAR_IS_FIXED build.
* The long discussion can be found in this issue:
* http://codereview.appspot.com/5999050/