am 7dfb1d99: am 730c0f65: Merge "Fix stencil mask usage in HWUI" into mnc-dev (3d208671) · Commits · e / os / android_frameworks_base

libs/hwui/renderstate/Stencil.cpp

+14 −8

Original line number	Diff line number	Diff line
		@@ -60,8 +60,14 @@ GLenum Stencil::getLayerStencilFormat() {
		}

		void Stencil::clear() {
		glStencilMask(0xff);
		glClearStencil(0);
		glClear(GL_STENCIL_BUFFER_BIT);

		if (mState == kTest) {
		// reset to test state, with immutable stencil
		glStencilMask(0);
		}
		}

		void Stencil::enableTest(int incrementThreshold) {
		@@ -104,17 +110,17 @@ void Stencil::enableDebugTest(GLint value, bool greater) {
		// We only want to test, let's keep everything
		glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
		mState = kTest;
		glStencilMask(0);
		}

		void Stencil::enableDebugWrite() {
		if (mState != kWrite) {
		enable();
		glStencilFunc(GL_ALWAYS, 0x1, 0xffffffff);
		// The test always passes so the first two values are meaningless
		glStencilOp(GL_KEEP, GL_KEEP, GL_INCR);
		glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
		mState = kWrite;
		}
		glStencilMask(0xff);
		}

		void Stencil::enable() {