Fix wrong framebufferspace computation
When the framebuffer size is 1/2 of the display
we were multiplying with 2 instead of dividing
when computing the content.
Bug: 161793589
Bug: 168788659
Test: atest OutputTest
Change-Id: I3bba764e87a1a5e9c4491d9f2f117b6c1f51371d
diff --git a/services/surfaceflinger/CompositionEngine/src/Output.cpp b/services/surfaceflinger/CompositionEngine/src/Output.cpp
index 44edb6e..04dceae 100644
--- a/services/surfaceflinger/CompositionEngine/src/Output.cpp
+++ b/services/surfaceflinger/CompositionEngine/src/Output.cpp
@@ -148,7 +148,7 @@
LOG_FATAL_IF(outputState.framebufferSpace.bounds == Rect::INVALID_RECT,
"The framebuffer bounds are unknown.");
const auto scale =
- getScale(outputState.framebufferSpace.bounds, outputState.displaySpace.bounds);
+ getScale(outputState.displaySpace.bounds, outputState.framebufferSpace.bounds);
outputState.framebufferSpace.content = outputState.displaySpace.content.scale(scale.x, scale.y);
// Compute layerStackSpace
diff --git a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
index 57b399a..1e10365 100644
--- a/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
+++ b/services/surfaceflinger/CompositionEngine/tests/OutputTest.cpp
@@ -235,16 +235,75 @@
* Output::setProjection()
*/
-TEST_F(OutputTest, setProjectionTriviallyWorks) {
+TEST_F(OutputTest, setProjectionWorks) {
+ const Rect displayRect{0, 0, 1000, 2000};
+ mOutput->editState().displaySpace.bounds = displayRect;
+ mOutput->editState().framebufferSpace.bounds = displayRect;
+
const ui::Rotation orientation = ui::ROTATION_90;
- const Rect frame{1, 2, 3, 4};
- const Rect viewport{5, 6, 7, 8};
+ const Rect frame{50, 60, 100, 100};
+ const Rect viewport{10, 20, 30, 40};
mOutput->setProjection(orientation, viewport, frame);
EXPECT_EQ(orientation, mOutput->getState().displaySpace.orientation);
EXPECT_EQ(frame, mOutput->getState().orientedDisplaySpace.content);
EXPECT_EQ(viewport, mOutput->getState().layerStackSpace.content);
+
+ const auto state = mOutput->getState();
+ EXPECT_EQ(ui::ROTATION_0, state.layerStackSpace.orientation);
+ EXPECT_EQ(viewport, state.layerStackSpace.content);
+ EXPECT_EQ(viewport, state.layerStackSpace.bounds);
+
+ EXPECT_EQ(ui::ROTATION_0, state.orientedDisplaySpace.orientation);
+ EXPECT_EQ(frame, state.orientedDisplaySpace.content);
+ EXPECT_EQ(Rect(0, 0, 2000, 1000), state.orientedDisplaySpace.bounds);
+
+ EXPECT_EQ(displayRect, state.displaySpace.bounds);
+ EXPECT_EQ(Rect(900, 50, 940, 100), state.displaySpace.content);
+ EXPECT_EQ(orientation, state.displaySpace.orientation);
+
+ EXPECT_EQ(displayRect, state.framebufferSpace.bounds);
+ EXPECT_EQ(Rect(900, 50, 940, 100), state.framebufferSpace.content);
+ EXPECT_EQ(orientation, state.framebufferSpace.orientation);
+
+ EXPECT_EQ(state.displaySpace.content, state.transform.transform(state.layerStackSpace.content));
+}
+
+TEST_F(OutputTest, setProjectionWithSmallFramebufferWorks) {
+ const Rect displayRect{0, 0, 1000, 2000};
+ const Rect framebufferRect{0, 0, 500, 1000};
+ mOutput->editState().displaySpace.bounds = displayRect;
+ mOutput->editState().framebufferSpace.bounds = framebufferRect;
+
+ const ui::Rotation orientation = ui::ROTATION_90;
+ const Rect frame{50, 60, 100, 100};
+ const Rect viewport{10, 20, 30, 40};
+
+ mOutput->setProjection(orientation, viewport, frame);
+
+ EXPECT_EQ(orientation, mOutput->getState().displaySpace.orientation);
+ EXPECT_EQ(frame, mOutput->getState().orientedDisplaySpace.content);
+ EXPECT_EQ(viewport, mOutput->getState().layerStackSpace.content);
+
+ const auto state = mOutput->getState();
+ EXPECT_EQ(ui::ROTATION_0, state.layerStackSpace.orientation);
+ EXPECT_EQ(viewport, state.layerStackSpace.content);
+ EXPECT_EQ(viewport, state.layerStackSpace.bounds);
+
+ EXPECT_EQ(ui::ROTATION_0, state.orientedDisplaySpace.orientation);
+ EXPECT_EQ(frame, state.orientedDisplaySpace.content);
+ EXPECT_EQ(Rect(0, 0, 2000, 1000), state.orientedDisplaySpace.bounds);
+
+ EXPECT_EQ(displayRect, state.displaySpace.bounds);
+ EXPECT_EQ(Rect(900, 50, 940, 100), state.displaySpace.content);
+ EXPECT_EQ(orientation, state.displaySpace.orientation);
+
+ EXPECT_EQ(framebufferRect, state.framebufferSpace.bounds);
+ EXPECT_EQ(Rect(450, 25, 470, 50), state.framebufferSpace.content);
+ EXPECT_EQ(orientation, state.framebufferSpace.orientation);
+
+ EXPECT_EQ(state.displaySpace.content, state.transform.transform(state.layerStackSpace.content));
}
/*
@@ -275,12 +334,15 @@
EXPECT_EQ(ui::ROTATION_0, state.layerStackSpace.orientation);
EXPECT_EQ(Rect(0, 0, 2000, 1000), state.layerStackSpace.content);
EXPECT_EQ(Rect(0, 0, 2000, 1000), state.layerStackSpace.bounds);
+
EXPECT_EQ(ui::ROTATION_0, state.orientedDisplaySpace.orientation);
EXPECT_EQ(Rect(0, 0, 900, 450), state.orientedDisplaySpace.content);
EXPECT_EQ(Rect(0, 0, 1000, 500), state.orientedDisplaySpace.bounds);
+
EXPECT_EQ(displayRect, state.displaySpace.bounds);
EXPECT_EQ(Rect(0, 0, 450, 900), state.displaySpace.content);
EXPECT_EQ(ui::ROTATION_90, state.displaySpace.orientation);
+
EXPECT_EQ(displayRect, state.framebufferSpace.bounds);
EXPECT_EQ(Rect(0, 0, 450, 900), state.framebufferSpace.content);
EXPECT_EQ(ui::ROTATION_90, state.framebufferSpace.orientation);
diff --git a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
index b750d6b..5864d02 100644
--- a/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
+++ b/services/surfaceflinger/tests/unittests/DisplayTransactionTest.cpp
@@ -1448,7 +1448,7 @@
});
}
- ui::Size SwapWH(const ui::Size size) const { return ui::Size(size.height, size.width); }
+ ui::Size swapWH(const ui::Size size) const { return ui::Size(size.height, size.width); }
void setProjectionForRotation0() {
// A logical rotation of 0 uses the SurfaceFlinger display size
@@ -1459,8 +1459,8 @@
void setProjectionForRotation90() {
// A logical rotation of 90 uses the SurfaceFlinger display size with
// the width/height swapped.
- mDisplayDevice->setProjection(ui::ROTATION_90, Rect(SwapWH(mFlingerDisplaySize)),
- Rect(SwapWH(mFlingerDisplaySize)));
+ mDisplayDevice->setProjection(ui::ROTATION_90, Rect(swapWH(mFlingerDisplaySize)),
+ Rect(swapWH(mFlingerDisplaySize)));
}
void setProjectionForRotation180() {
@@ -1472,8 +1472,8 @@
void setProjectionForRotation270() {
// A logical rotation of 270 uses the SurfaceFlinger display size with
// the width/height swapped.
- mDisplayDevice->setProjection(ui::ROTATION_270, Rect(SwapWH(mFlingerDisplaySize)),
- Rect(SwapWH(mFlingerDisplaySize)));
+ mDisplayDevice->setProjection(ui::ROTATION_270, Rect(swapWH(mFlingerDisplaySize)),
+ Rect(swapWH(mFlingerDisplaySize)));
}
void expectStateForHardwareTransform0() {
@@ -1497,9 +1497,9 @@
EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.displaySpace.content);
// For 90, the orientedDisplaySpaceRect and layerStackSpaceRect have the hardware display
// size width and height swapped
- EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)),
+ EXPECT_EQ(Rect(swapWH(mHardwareDisplaySize)),
compositionState.orientedDisplaySpace.content);
- EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)), compositionState.layerStackSpace.content);
+ EXPECT_EQ(Rect(swapWH(mHardwareDisplaySize)), compositionState.layerStackSpace.content);
EXPECT_EQ(false, compositionState.needsFiltering);
}
@@ -1523,9 +1523,9 @@
EXPECT_EQ(Rect(mHardwareDisplaySize), compositionState.displaySpace.content);
// For 270, the orientedDisplaySpaceRect and layerStackSpaceRect have the hardware display
// size width and height swapped
- EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)),
+ EXPECT_EQ(Rect(swapWH(mHardwareDisplaySize)),
compositionState.orientedDisplaySpace.content);
- EXPECT_EQ(Rect(SwapWH(mHardwareDisplaySize)), compositionState.layerStackSpace.content);
+ EXPECT_EQ(Rect(swapWH(mHardwareDisplaySize)), compositionState.layerStackSpace.content);
EXPECT_EQ(false, compositionState.needsFiltering);
}