Apply bilinear filtering to text. (7975fb6d) · Commits · e / os / android_frameworks_base

libs/hwui/DisplayListRenderer.cpp

+56 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,62 @@
		namespace android {
		namespace uirenderer {

		///////////////////////////////////////////////////////////////////////////////
		// Defines
		///////////////////////////////////////////////////////////////////////////////

		#define PATH_HEAP_SIZE 64

		///////////////////////////////////////////////////////////////////////////////
		// Helpers
		///////////////////////////////////////////////////////////////////////////////

		PathHeap::PathHeap(): mHeap(PATH_HEAP_SIZE * sizeof(SkPath)) {
		}

		PathHeap::PathHeap(SkFlattenableReadBuffer& buffer): mHeap(PATH_HEAP_SIZE * sizeof(SkPath)) {
		int count = buffer.readS32();

		mPaths.setCount(count);
		SkPath** ptr = mPaths.begin();
		SkPath* p = (SkPath) mHeap.allocThrow(count sizeof(SkPath));

		for (int i = 0; i < count; i++) {
		new (p) SkPath;
		p->unflatten(buffer);
		*ptr++ = p;
		p++;
		}
		}

		PathHeap::~PathHeap() {
		SkPath** iter = mPaths.begin();
		SkPath** stop = mPaths.end();
		while (iter < stop) {
		(*iter)->~SkPath();
		iter++;
		}
		}

		int PathHeap::append(const SkPath& path) {
		SkPath* p = (SkPath*) mHeap.allocThrow(sizeof(SkPath));
		new (p) SkPath(path);
		*mPaths.append() = p;
		return mPaths.count();
		}

		void PathHeap::flatten(SkFlattenableWriteBuffer& buffer) const {
		int count = mPaths.count();

		buffer.write32(count);
		SkPath** iter = mPaths.begin();
		SkPath** stop = mPaths.end();
		while (iter < stop) {
		(*iter)->flatten(buffer);
		iter++;
		}
		}

		///////////////////////////////////////////////////////////////////////////////
		// Display list
		///////////////////////////////////////////////////////////////////////////////

libs/hwui/DisplayListRenderer.h

+5 −43

Original line number	Diff line number	Diff line
		@@ -45,39 +45,11 @@ namespace uirenderer {

		class PathHeap: public SkRefCnt {
		public:
		PathHeap(): mHeap(64 * sizeof(SkPath)) {
		};

		PathHeap(SkFlattenableReadBuffer& buffer): mHeap(64 * sizeof(SkPath)) {
		int count = buffer.readS32();

		mPaths.setCount(count);
		SkPath** ptr = mPaths.begin();
		SkPath* p = (SkPath) mHeap.allocThrow(count sizeof(SkPath));

		for (int i = 0; i < count; i++) {
		new (p) SkPath;
		p->unflatten(buffer);
		*ptr++ = p;
		p++;
		}
		}
		PathHeap();
		PathHeap(SkFlattenableReadBuffer& buffer);
		~PathHeap();

		~PathHeap() {
		SkPath** iter = mPaths.begin();
		SkPath** stop = mPaths.end();
		while (iter < stop) {
		(*iter)->~SkPath();
		iter++;
		}
		}

		int append(const SkPath& path) {
		SkPath* p = (SkPath*) mHeap.allocThrow(sizeof(SkPath));
		new (p) SkPath(path);
		*mPaths.append() = p;
		return mPaths.count();
		}
		int append(const SkPath& path);

		int count() const { return mPaths.count(); }

		@@ -85,17 +57,7 @@ public:
		return *mPaths[index];
		}

		void flatten(SkFlattenableWriteBuffer& buffer) const {
		int count = mPaths.count();

		buffer.write32(count);
		SkPath** iter = mPaths.begin();
		SkPath** stop = mPaths.end();
		while (iter < stop) {
		(*iter)->flatten(buffer);
		iter++;
		}
		}
		void flatten(SkFlattenableWriteBuffer& buffer) const;

		private:
		SkChunkAlloc mHeap;

libs/hwui/FontRenderer.cpp

+11 −10

Original line number	Diff line number	Diff line
		@@ -435,25 +435,25 @@ void FontRenderer::initTextTexture() {
		glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, mCacheWidth, mCacheHeight, 0,
		GL_ALPHA, GL_UNSIGNED_BYTE, 0);

		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
		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);

		// Split up our cache texture into lines of certain widths
		int nextLine = 0;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 16, nextLine, 0));
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 18, nextLine, 0));
		nextLine += mCacheLines.top()->mMaxHeight;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 24, nextLine, 0));
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 26, nextLine, 0));
		nextLine += mCacheLines.top()->mMaxHeight;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 24, nextLine, 0));
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 26, nextLine, 0));
		nextLine += mCacheLines.top()->mMaxHeight;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 32, nextLine, 0));
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 34, nextLine, 0));
		nextLine += mCacheLines.top()->mMaxHeight;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 32, nextLine, 0));
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 34, nextLine, 0));
		nextLine += mCacheLines.top()->mMaxHeight;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 40, nextLine, 0));
		mCacheLines.push(new CacheTextureLine(mCacheWidth, 42, nextLine, 0));
		nextLine += mCacheLines.top()->mMaxHeight;
		mCacheLines.push(new CacheTextureLine(mCacheWidth, mCacheHeight - nextLine, nextLine, 0));
		}
		@@ -631,6 +631,7 @@ void FontRenderer::setFont(SkPaint* paint, uint32_t fontId, float fontSize) {
		precacheLatin(paint);
		}
		}

		FontRenderer::DropShadow FontRenderer::renderDropShadow(SkPaint* paint, const char *text,
		uint32_t startIndex, uint32_t len, int numGlyphs, uint32_t radius) {
		checkInit();

libs/hwui/FontRenderer.h

+5 −5

Original line number	Diff line number	Diff line
		@@ -183,14 +183,14 @@ protected:
		}

		bool fitBitmap(const SkGlyph& glyph, uint32_t retOriginX, uint32_t retOriginY) {
		if (glyph.fHeight > mMaxHeight) {
		if (glyph.fHeight + 2 > mMaxHeight) {
		return false;
		}

		if (mCurrentCol + glyph.fWidth < mMaxWidth) {
		*retOriginX = mCurrentCol;
		*retOriginY = mCurrentRow;
		mCurrentCol += glyph.fWidth;
		if (mCurrentCol + glyph.fWidth + 2 < mMaxWidth) {
		*retOriginX = mCurrentCol + 1;
		*retOriginY = mCurrentRow + 1;
		mCurrentCol += glyph.fWidth + 2;
		mDirty = true;
		return true;
		}

tests/HwAccelerationTest/AndroidManifest.xml

+9 −0

Original line number	Diff line number	Diff line
		@@ -39,6 +39,15 @@
		</intent-filter>
		</activity>

		<activity
		android:name="LabelsActivity"
		android:label="_Labels">
		<intent-filter>
		<action android:name="android.intent.action.MAIN" />
		<category android:name="android.intent.category.LAUNCHER" />
		</intent-filter>
		</activity>

		<activity
		android:name="ResizeActivity"
		android:label="_Resize"