surfaceflinger: add more setColor tests
Add LayerTransactionTest.
SetColorBasic
SetColorClamped
SetColorWithAlpha
SetColorWithBuffer
Test: SurfaceFlinger_test
Change-Id: I042f01d7551681f72cd95ce8d38d74900cfe660a
diff --git a/services/surfaceflinger/tests/Transaction_test.cpp b/services/surfaceflinger/tests/Transaction_test.cpp
index a0c190b..3110fdc 100644
--- a/services/surfaceflinger/tests/Transaction_test.cpp
+++ b/services/surfaceflinger/tests/Transaction_test.cpp
@@ -920,6 +920,74 @@
}
}
+TEST_F(LayerTransactionTest, SetColorBasic) {
+ sp<SurfaceControl> bufferLayer;
+ sp<SurfaceControl> colorLayer;
+ ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test bg", 32, 32));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(bufferLayer, Color::RED));
+ ASSERT_NO_FATAL_FAILURE(
+ colorLayer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceColor));
+
+ Transaction().setLayer(colorLayer, mLayerZBase + 1).apply();
+ {
+ SCOPED_TRACE("default color");
+ screenshot()->expectColor(Rect(0, 0, 32, 32), Color::BLACK);
+ }
+
+ const half3 color(15.0f / 255.0f, 51.0f / 255.0f, 85.0f / 255.0f);
+ const Color expected = {15, 51, 85, 255};
+ // this is handwavy, but the precison loss scaled by 255 (8-bit per
+ // channel) should be less than one
+ const uint8_t tolerance = 1;
+ Transaction().setColor(colorLayer, color).apply();
+ {
+ SCOPED_TRACE("new color");
+ screenshot()->expectColor(Rect(0, 0, 32, 32), expected, tolerance);
+ }
+}
+
+TEST_F(LayerTransactionTest, SetColorClamped) {
+ sp<SurfaceControl> colorLayer;
+ ASSERT_NO_FATAL_FAILURE(
+ colorLayer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceColor));
+
+ Transaction().setColor(colorLayer, half3(2.0f, -1.0f, 0.0f)).apply();
+ screenshot()->expectColor(Rect(0, 0, 32, 32), Color::RED);
+}
+
+TEST_F(LayerTransactionTest, SetColorWithAlpha) {
+ sp<SurfaceControl> bufferLayer;
+ sp<SurfaceControl> colorLayer;
+ ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test bg", 32, 32));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(bufferLayer, Color::RED));
+ ASSERT_NO_FATAL_FAILURE(
+ colorLayer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceColor));
+
+ const half3 color(15.0f / 255.0f, 51.0f / 255.0f, 85.0f / 255.0f);
+ const float alpha = 0.25f;
+ const ubyte3 expected((vec3(color) * alpha + vec3(1.0f, 0.0f, 0.0f) * (1.0f - alpha)) * 255.0f);
+ // this is handwavy, but the precison loss scaled by 255 (8-bit per
+ // channel) should be less than one
+ const uint8_t tolerance = 1;
+ Transaction()
+ .setColor(colorLayer, color)
+ .setAlpha(colorLayer, alpha)
+ .setLayer(colorLayer, mLayerZBase + 1)
+ .apply();
+ screenshot()->expectColor(Rect(0, 0, 32, 32), {expected.r, expected.g, expected.b, 255},
+ tolerance);
+}
+
+TEST_F(LayerTransactionTest, SetColorWithBuffer) {
+ sp<SurfaceControl> bufferLayer;
+ ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test", 32, 32));
+ ASSERT_NO_FATAL_FAILURE(fillLayerColor(bufferLayer, Color::RED));
+
+ // color is ignored
+ Transaction().setColor(bufferLayer, half3(0.0f, 1.0f, 0.0f)).apply();
+ screenshot()->expectColor(Rect(0, 0, 32, 32), Color::RED);
+}
+
class LayerUpdateTest : public ::testing::Test {
protected:
virtual void SetUp() {