Initialize font texture cache.

Now that text is renderer using bilinear filtering, each character is surrounded by
a 1 pixel border. This border needs to be initialized to a transparent value.

Change-Id: I26d3195db4bd576ac1f2da4c8f8e4dd18768bf12

parent 7afbb30d

libs/hwui/FontRenderer.cpp

+2 −0

Original line number	Diff line number	Diff line
		@@ -426,6 +426,8 @@ bool FontRenderer::cacheBitmap(const SkGlyph& glyph, uint32_t* retOriginX, uint3

		void FontRenderer::initTextTexture() {
		mTextTexture = new uint8_t[mCacheWidth * mCacheHeight];
		memset(mTextTexture, 0, mCacheWidth * mCacheHeight * sizeof(uint8_t));

		mUploadTexture = false;

		glGenTextures(1, &mTextureId);