Merge "Add test for first draw blend behavior in HWUI pipeline" into oc-mr1-dev am: 8f50f52eb2 (1346202d) · Commits · e / os / android_frameworks_base

libs/hwui/renderstate/Blend.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -40,6 +40,14 @@ public:
		GLenum* outSrc, GLenum* outDst);
		void setFactors(GLenum src, GLenum dst);

		bool getEnabled() {
		return mEnabled;
		}
		void getFactors(GLenum* src, GLenum* dst) {
		*src = mSrcMode;
		*dst = mDstMode;
		}

		void dump();
		private:
		Blend();

libs/hwui/tests/unit/BakedOpRendererTests.cpp

+51 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#include <gtest/gtest.h>

		#include <BakedOpRenderer.h>
		#include <GlopBuilder.h>
		#include <tests/common/TestUtils.h>

		using namespace android::uirenderer;
		@@ -53,3 +54,53 @@ RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpRenderer, startRepaintLayer_clear) {
		renderer.endLayer();
		}
		}

		static void drawFirstOp(RenderState& renderState, int color, SkBlendMode mode) {
		BakedOpRenderer renderer(Caches::getInstance(), renderState, true, false, sLightInfo);

		renderer.startFrame(100, 100, Rect(100, 100));
		SkPaint paint;
		paint.setColor(color);
		paint.setBlendMode(mode);

		Rect dest(0, 0, 100, 100);
		Glop glop;
		GlopBuilder(renderState, Caches::getInstance(), &glop)
		.setRoundRectClipState(nullptr)
		.setMeshUnitQuad()
		.setFillPaint(paint, 1.0f)
		.setTransform(Matrix4::identity(), TransformFlags::None)
		.setModelViewMapUnitToRectSnap(dest)
		.build();
		renderer.renderGlop(nullptr, nullptr, glop);
		renderer.endFrame(Rect(100, 100));
		}

		static void verifyBlend(RenderState& renderState, GLenum expectedSrc, GLenum expectedDst) {
		EXPECT_TRUE(renderState.blend().getEnabled());
		GLenum src;
		GLenum dst;
		renderState.blend().getFactors(&src, &dst);
		EXPECT_EQ(expectedSrc, src);
		EXPECT_EQ(expectedDst, dst);
		}

		static void verifyBlendDisabled(RenderState& renderState) {
		EXPECT_FALSE(renderState.blend().getEnabled());
		}

		RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpRenderer, firstDrawBlend_clear) {
		// initialize blend state to nonsense value
		renderThread.renderState().blend().setFactors(GL_ONE, GL_ONE);

		drawFirstOp(renderThread.renderState(), 0xfeff0000, SkBlendMode::kClear);
		verifyBlend(renderThread.renderState(), GL_ZERO, GL_ONE_MINUS_SRC_ALPHA);
		}

		RENDERTHREAD_OPENGL_PIPELINE_TEST(BakedOpRenderer, firstDrawBlend_srcover) {
		// initialize blend state to nonsense value
		renderThread.renderState().blend().setFactors(GL_ONE, GL_ONE);

		drawFirstOp(renderThread.renderState(), 0xfeff0000, SkBlendMode::kSrcOver);
		verifyBlendDisabled(renderThread.renderState());
		}