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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <algorithm>
#include <chrono>
#include <cinttypes>
#include <functional>
#include <limits>
#include <ostream>
#include <thread>
#include <gtest/gtest.h>
#include <android/native_window.h>
#include <binder/ProcessState.h>
#include <gui/BufferItemConsumer.h>
#include <gui/ISurfaceComposer.h>
#include <gui/LayerState.h>
#include <gui/Surface.h>
#include <gui/SurfaceComposerClient.h>
#include <private/gui/ComposerService.h>
#include <ui/ColorSpace.h>
#include <ui/DisplayInfo.h>
#include <ui/Rect.h>
#include <utils/String8.h>
#include <math.h>
#include <math/vec3.h>
#include "BufferGenerator.h"
namespace android {
namespace {
struct Color {
uint8_t r;
uint8_t g;
uint8_t b;
uint8_t a;
static const Color RED;
static const Color GREEN;
static const Color BLUE;
static const Color WHITE;
static const Color BLACK;
static const Color TRANSPARENT;
};
const Color Color::RED{255, 0, 0, 255};
const Color Color::GREEN{0, 255, 0, 255};
const Color Color::BLUE{0, 0, 255, 255};
const Color Color::WHITE{255, 255, 255, 255};
const Color Color::BLACK{0, 0, 0, 255};
const Color Color::TRANSPARENT{0, 0, 0, 0};
using android::hardware::graphics::common::V1_1::BufferUsage;
using namespace std::chrono_literals;
std::ostream& operator<<(std::ostream& os, const Color& color) {
os << int(color.r) << ", " << int(color.g) << ", " << int(color.b) << ", " << int(color.a);
return os;
}
// Fill a region with the specified color.
void fillANativeWindowBufferColor(const ANativeWindow_Buffer& buffer, const Rect& rect,
const Color& color) {
Rect r(0, 0, buffer.width, buffer.height);
if (!r.intersect(rect, &r)) {
return;
}
int32_t width = r.right - r.left;
int32_t height = r.bottom - r.top;
for (int32_t row = 0; row < height; row++) {
uint8_t* dst =
static_cast<uint8_t*>(buffer.bits) + (buffer.stride * (r.top + row) + r.left) * 4;
for (int32_t column = 0; column < width; column++) {
dst[0] = color.r;
dst[1] = color.g;
dst[2] = color.b;
dst[3] = color.a;
dst += 4;
}
}
}
// Fill a region with the specified color.
void fillGraphicBufferColor(const sp<GraphicBuffer>& buffer, const Rect& rect, const Color& color) {
Rect r(0, 0, buffer->width, buffer->height);
if (!r.intersect(rect, &r)) {
return;
}
int32_t width = r.right - r.left;
int32_t height = r.bottom - r.top;
uint8_t* pixels;
buffer->lock(GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN,
reinterpret_cast<void**>(&pixels));
for (int32_t row = 0; row < height; row++) {
uint8_t* dst = pixels + (buffer->getStride() * (r.top + row) + r.left) * 4;
for (int32_t column = 0; column < width; column++) {
dst[0] = color.r;
dst[1] = color.g;
dst[2] = color.b;
dst[3] = color.a;
dst += 4;
}
}
buffer->unlock();
}
// Check if a region has the specified color.
void expectBufferColor(const sp<GraphicBuffer>& outBuffer, uint8_t* pixels, const Rect& rect,
const Color& color, uint8_t tolerance) {
int32_t x = rect.left;
int32_t y = rect.top;
int32_t width = rect.right - rect.left;
int32_t height = rect.bottom - rect.top;
int32_t bufferWidth = int32_t(outBuffer->getWidth());
int32_t bufferHeight = int32_t(outBuffer->getHeight());
if (x + width > bufferWidth) {
x = std::min(x, bufferWidth);
width = bufferWidth - x;
}
if (y + height > bufferHeight) {
y = std::min(y, bufferHeight);
height = bufferHeight - y;
}
auto colorCompare = [tolerance](uint8_t a, uint8_t b) {
uint8_t tmp = a >= b ? a - b : b - a;
return tmp <= tolerance;
};
for (int32_t j = 0; j < height; j++) {
const uint8_t* src = pixels + (outBuffer->getStride() * (y + j) + x) * 4;
for (int32_t i = 0; i < width; i++) {
const uint8_t expected[4] = {color.r, color.g, color.b, color.a};
EXPECT_TRUE(std::equal(src, src + 4, expected, colorCompare))
<< "pixel @ (" << x + i << ", " << y + j << "): "
<< "expected (" << color << "), "
<< "got (" << Color{src[0], src[1], src[2], src[3]} << ")";
src += 4;
}
}
}
} // anonymous namespace
using Transaction = SurfaceComposerClient::Transaction;
// Fill an RGBA_8888 formatted surface with a single color.
static void fillSurfaceRGBA8(const sp<SurfaceControl>& sc, uint8_t r, uint8_t g, uint8_t b,
bool unlock = true) {
ANativeWindow_Buffer outBuffer;
sp<Surface> s = sc->getSurface();
ASSERT_TRUE(s != nullptr);
ASSERT_EQ(NO_ERROR, s->lock(&outBuffer, nullptr));
uint8_t* img = reinterpret_cast<uint8_t*>(outBuffer.bits);
for (int y = 0; y < outBuffer.height; y++) {
for (int x = 0; x < outBuffer.width; x++) {
uint8_t* pixel = img + (4 * (y * outBuffer.stride + x));
pixel[0] = r;
pixel[1] = g;
pixel[2] = b;
pixel[3] = 255;
}
}
if (unlock) {
ASSERT_EQ(NO_ERROR, s->unlockAndPost());
}
}
// A ScreenCapture is a screenshot from SurfaceFlinger that can be used to check
// individual pixel values for testing purposes.
class ScreenCapture : public RefBase {
public:
static void captureScreen(std::unique_ptr<ScreenCapture>* sc) {
const auto sf = ComposerService::getComposerService();
const auto token = sf->getInternalDisplayToken();
SurfaceComposerClient::Transaction().apply(true);
sp<GraphicBuffer> outBuffer;
ASSERT_EQ(NO_ERROR, sf->captureScreen(token, &outBuffer, Rect(), 0, 0, false));
*sc = std::make_unique<ScreenCapture>(outBuffer);
}
static void captureLayers(std::unique_ptr<ScreenCapture>* sc, sp<IBinder>& parentHandle,
Rect crop = Rect::EMPTY_RECT, float frameScale = 1.0) {
sp<ISurfaceComposer> sf(ComposerService::getComposerService());
SurfaceComposerClient::Transaction().apply(true);
sp<GraphicBuffer> outBuffer;
ASSERT_EQ(NO_ERROR, sf->captureLayers(parentHandle, &outBuffer, crop, frameScale));
*sc = std::make_unique<ScreenCapture>(outBuffer);
}
static void captureChildLayers(std::unique_ptr<ScreenCapture>* sc, sp<IBinder>& parentHandle,
Rect crop = Rect::EMPTY_RECT, float frameScale = 1.0) {
sp<ISurfaceComposer> sf(ComposerService::getComposerService());
SurfaceComposerClient::Transaction().apply(true);
sp<GraphicBuffer> outBuffer;
ASSERT_EQ(NO_ERROR, sf->captureLayers(parentHandle, &outBuffer, crop, frameScale, true));
*sc = std::make_unique<ScreenCapture>(outBuffer);
}
void expectColor(const Rect& rect, const Color& color, uint8_t tolerance = 0) {
ASSERT_EQ(HAL_PIXEL_FORMAT_RGBA_8888, mOutBuffer->getPixelFormat());
expectBufferColor(mOutBuffer, mPixels, rect, color, tolerance);
}
void expectBorder(const Rect& rect, const Color& color, uint8_t tolerance = 0) {
ASSERT_EQ(HAL_PIXEL_FORMAT_RGBA_8888, mOutBuffer->getPixelFormat());
const bool leftBorder = rect.left > 0;
const bool topBorder = rect.top > 0;
const bool rightBorder = rect.right < int32_t(mOutBuffer->getWidth());
const bool bottomBorder = rect.bottom < int32_t(mOutBuffer->getHeight());
if (topBorder) {
Rect top(rect.left, rect.top - 1, rect.right, rect.top);
if (leftBorder) {
top.left -= 1;
}
if (rightBorder) {
top.right += 1;
}
expectColor(top, color, tolerance);
}
if (leftBorder) {
Rect left(rect.left - 1, rect.top, rect.left, rect.bottom);
expectColor(left, color, tolerance);
}
if (rightBorder) {
Rect right(rect.right, rect.top, rect.right + 1, rect.bottom);
expectColor(right, color, tolerance);
}
if (bottomBorder) {
Rect bottom(rect.left, rect.bottom, rect.right, rect.bottom + 1);
if (leftBorder) {
bottom.left -= 1;
}
if (rightBorder) {
bottom.right += 1;
}
expectColor(bottom, color, tolerance);
}
}
void expectQuadrant(const Rect& rect, const Color& topLeft, const Color& topRight,
const Color& bottomLeft, const Color& bottomRight, bool filtered = false,
uint8_t tolerance = 0) {
ASSERT_TRUE((rect.right - rect.left) % 2 == 0 && (rect.bottom - rect.top) % 2 == 0);
const int32_t centerX = rect.left + (rect.right - rect.left) / 2;
const int32_t centerY = rect.top + (rect.bottom - rect.top) / 2;
// avoid checking borders due to unspecified filtering behavior
const int32_t offsetX = filtered ? 2 : 0;
const int32_t offsetY = filtered ? 2 : 0;
expectColor(Rect(rect.left, rect.top, centerX - offsetX, centerY - offsetY), topLeft,
tolerance);
expectColor(Rect(centerX + offsetX, rect.top, rect.right, centerY - offsetY), topRight,
tolerance);
expectColor(Rect(rect.left, centerY + offsetY, centerX - offsetX, rect.bottom), bottomLeft,
tolerance);
expectColor(Rect(centerX + offsetX, centerY + offsetY, rect.right, rect.bottom),
bottomRight, tolerance);
}
void checkPixel(uint32_t x, uint32_t y, uint8_t r, uint8_t g, uint8_t b) {
ASSERT_EQ(HAL_PIXEL_FORMAT_RGBA_8888, mOutBuffer->getPixelFormat());
const uint8_t* pixel = mPixels + (4 * (y * mOutBuffer->getStride() + x));
if (r != pixel[0] || g != pixel[1] || b != pixel[2]) {
String8 err(String8::format("pixel @ (%3d, %3d): "
"expected [%3d, %3d, %3d], got [%3d, %3d, %3d]",
x, y, r, g, b, pixel[0], pixel[1], pixel[2]));
EXPECT_EQ(String8(), err) << err.string();
}
}
void expectFGColor(uint32_t x, uint32_t y) { checkPixel(x, y, 195, 63, 63); }
void expectBGColor(uint32_t x, uint32_t y) { checkPixel(x, y, 63, 63, 195); }
void expectChildColor(uint32_t x, uint32_t y) { checkPixel(x, y, 200, 200, 200); }
explicit ScreenCapture(const sp<GraphicBuffer>& outBuffer) : mOutBuffer(outBuffer) {
mOutBuffer->lock(GRALLOC_USAGE_SW_READ_OFTEN, reinterpret_cast<void**>(&mPixels));
}
~ScreenCapture() { mOutBuffer->unlock(); }
private:
sp<GraphicBuffer> mOutBuffer;
uint8_t* mPixels = nullptr;
};
class LayerTransactionTest : public ::testing::Test {
protected:
void SetUp() override {
mClient = new SurfaceComposerClient;
ASSERT_EQ(NO_ERROR, mClient->initCheck()) << "failed to create SurfaceComposerClient";
ASSERT_NO_FATAL_FAILURE(SetUpDisplay());
sp<ISurfaceComposer> sf(ComposerService::getComposerService());
ASSERT_NO_FATAL_FAILURE(sf->getColorManagement(&mColorManagementUsed));
}
virtual void TearDown() {
mBlackBgSurface = 0;
mClient->dispose();
mClient = 0;
}
virtual sp<SurfaceControl> createLayer(const sp<SurfaceComposerClient>& client,
const char* name, uint32_t width, uint32_t height,
uint32_t flags = 0, SurfaceControl* parent = nullptr) {
auto layer =
createSurface(client, name, width, height, PIXEL_FORMAT_RGBA_8888, flags, parent);
Transaction t;
t.setLayerStack(layer, mDisplayLayerStack).setLayer(layer, mLayerZBase);
status_t error = t.apply();
if (error != NO_ERROR) {
ADD_FAILURE() << "failed to initialize SurfaceControl";
layer.clear();
}
return layer;
}
virtual sp<SurfaceControl> createSurface(const sp<SurfaceComposerClient>& client,
const char* name, uint32_t width, uint32_t height,
PixelFormat format, uint32_t flags,
SurfaceControl* parent = nullptr) {
auto layer = client->createSurface(String8(name), width, height, format, flags, parent);
EXPECT_NE(nullptr, layer.get()) << "failed to create SurfaceControl";
return layer;
}
virtual sp<SurfaceControl> createLayer(const char* name, uint32_t width, uint32_t height,
uint32_t flags = 0, SurfaceControl* parent = nullptr) {
return createLayer(mClient, name, width, height, flags, parent);
}
ANativeWindow_Buffer getBufferQueueLayerBuffer(const sp<SurfaceControl>& layer) {
// wait for previous transactions (such as setSize) to complete
Transaction().apply(true);
ANativeWindow_Buffer buffer = {};
EXPECT_EQ(NO_ERROR, layer->getSurface()->lock(&buffer, nullptr));
return buffer;
}
void postBufferQueueLayerBuffer(const sp<SurfaceControl>& layer) {
ASSERT_EQ(NO_ERROR, layer->getSurface()->unlockAndPost());
// wait for the newly posted buffer to be latched
waitForLayerBuffers();
}
virtual void fillBufferQueueLayerColor(const sp<SurfaceControl>& layer, const Color& color,
int32_t bufferWidth, int32_t bufferHeight) {
ANativeWindow_Buffer buffer;
ASSERT_NO_FATAL_FAILURE(buffer = getBufferQueueLayerBuffer(layer));
fillANativeWindowBufferColor(buffer, Rect(0, 0, bufferWidth, bufferHeight), color);
postBufferQueueLayerBuffer(layer);
}
virtual void fillBufferStateLayerColor(const sp<SurfaceControl>& layer, const Color& color,
int32_t bufferWidth, int32_t bufferHeight) {
sp<GraphicBuffer> buffer =
new GraphicBuffer(bufferWidth, bufferHeight, PIXEL_FORMAT_RGBA_8888, 1,
BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
BufferUsage::COMPOSER_OVERLAY,
"test");
fillGraphicBufferColor(buffer, Rect(0, 0, bufferWidth, bufferHeight), color);
Transaction().setBuffer(layer, buffer).apply();
}
void fillLayerColor(uint32_t mLayerType, const sp<SurfaceControl>& layer, const Color& color,
int32_t bufferWidth, int32_t bufferHeight) {
switch (mLayerType) {
case ISurfaceComposerClient::eFXSurfaceBufferQueue:
fillBufferQueueLayerColor(layer, color, bufferWidth, bufferHeight);
break;
case ISurfaceComposerClient::eFXSurfaceBufferState:
fillBufferStateLayerColor(layer, color, bufferWidth, bufferHeight);
break;
default:
ASSERT_TRUE(false) << "unsupported layer type: " << mLayerType;
}
}
void fillLayerQuadrant(uint32_t mLayerType, const sp<SurfaceControl>& layer,
int32_t bufferWidth, int32_t bufferHeight, const Color& topLeft,
const Color& topRight, const Color& bottomLeft,
const Color& bottomRight) {
switch (mLayerType) {
case ISurfaceComposerClient::eFXSurfaceBufferQueue:
fillBufferQueueLayerQuadrant(layer, bufferWidth, bufferHeight, topLeft, topRight,
bottomLeft, bottomRight);
break;
case ISurfaceComposerClient::eFXSurfaceBufferState:
fillBufferStateLayerQuadrant(layer, bufferWidth, bufferHeight, topLeft, topRight,
bottomLeft, bottomRight);
break;
default:
ASSERT_TRUE(false) << "unsupported layer type: " << mLayerType;
}
}
virtual void fillBufferQueueLayerQuadrant(const sp<SurfaceControl>& layer, int32_t bufferWidth,
int32_t bufferHeight, const Color& topLeft,
const Color& topRight, const Color& bottomLeft,
const Color& bottomRight) {
ANativeWindow_Buffer buffer;
ASSERT_NO_FATAL_FAILURE(buffer = getBufferQueueLayerBuffer(layer));
ASSERT_TRUE(bufferWidth % 2 == 0 && bufferHeight % 2 == 0);
const int32_t halfW = bufferWidth / 2;
const int32_t halfH = bufferHeight / 2;
fillANativeWindowBufferColor(buffer, Rect(0, 0, halfW, halfH), topLeft);
fillANativeWindowBufferColor(buffer, Rect(halfW, 0, bufferWidth, halfH), topRight);
fillANativeWindowBufferColor(buffer, Rect(0, halfH, halfW, bufferHeight), bottomLeft);
fillANativeWindowBufferColor(buffer, Rect(halfW, halfH, bufferWidth, bufferHeight),
bottomRight);
postBufferQueueLayerBuffer(layer);
}
virtual void fillBufferStateLayerQuadrant(const sp<SurfaceControl>& layer, int32_t bufferWidth,
int32_t bufferHeight, const Color& topLeft,
const Color& topRight, const Color& bottomLeft,
const Color& bottomRight) {
sp<GraphicBuffer> buffer =
new GraphicBuffer(bufferWidth, bufferHeight, PIXEL_FORMAT_RGBA_8888, 1,
BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
BufferUsage::COMPOSER_OVERLAY,
"test");
ASSERT_TRUE(bufferWidth % 2 == 0 && bufferHeight % 2 == 0);
const int32_t halfW = bufferWidth / 2;
const int32_t halfH = bufferHeight / 2;
fillGraphicBufferColor(buffer, Rect(0, 0, halfW, halfH), topLeft);
fillGraphicBufferColor(buffer, Rect(halfW, 0, bufferWidth, halfH), topRight);
fillGraphicBufferColor(buffer, Rect(0, halfH, halfW, bufferHeight), bottomLeft);
fillGraphicBufferColor(buffer, Rect(halfW, halfH, bufferWidth, bufferHeight), bottomRight);
Transaction().setBuffer(layer, buffer).setSize(layer, bufferWidth, bufferHeight).apply();
}
std::unique_ptr<ScreenCapture> screenshot() {
std::unique_ptr<ScreenCapture> screenshot;
ScreenCapture::captureScreen(&screenshot);
return screenshot;
}
static status_t getBuffer(sp<GraphicBuffer>* outBuffer, sp<Fence>* outFence) {
static BufferGenerator bufferGenerator;
return bufferGenerator.get(outBuffer, outFence);
}
sp<SurfaceComposerClient> mClient;
sp<IBinder> mDisplay;
uint32_t mDisplayWidth;
uint32_t mDisplayHeight;
uint32_t mDisplayLayerStack;
Rect mDisplayRect = Rect::INVALID_RECT;
// leave room for ~256 layers
const int32_t mLayerZBase = std::numeric_limits<int32_t>::max() - 256;
sp<SurfaceControl> mBlackBgSurface;
bool mColorManagementUsed;
private:
void SetUpDisplay() {
mDisplay = mClient->getInternalDisplayToken();
ASSERT_FALSE(mDisplay == nullptr) << "failed to get display";
// get display width/height
DisplayInfo info;
ASSERT_EQ(NO_ERROR, SurfaceComposerClient::getDisplayInfo(mDisplay, &info));
mDisplayWidth = info.w;
mDisplayHeight = info.h;
mDisplayRect =
Rect(static_cast<int32_t>(mDisplayWidth), static_cast<int32_t>(mDisplayHeight));
// After a new buffer is queued, SurfaceFlinger is notified and will
// latch the new buffer on next vsync. Let's heuristically wait for 3
// vsyncs.
mBufferPostDelay = int32_t(1e6 / info.fps) * 3;
mDisplayLayerStack = 0;
mBlackBgSurface =
createSurface(mClient, "BaseSurface", 0 /* buffer width */, 0 /* buffer height */,
PIXEL_FORMAT_RGBA_8888, ISurfaceComposerClient::eFXSurfaceColor);
// set layer stack (b/68888219)
Transaction t;
t.setDisplayLayerStack(mDisplay, mDisplayLayerStack);
t.setCrop_legacy(mBlackBgSurface, Rect(0, 0, mDisplayWidth, mDisplayHeight));
t.setLayerStack(mBlackBgSurface, mDisplayLayerStack);
t.setColor(mBlackBgSurface, half3{0, 0, 0});
t.setLayer(mBlackBgSurface, mLayerZBase);
t.apply();
}
void waitForLayerBuffers() {
// Request an empty transaction to get applied synchronously to ensure the buffer is
// latched.
Transaction().apply(true);
usleep(mBufferPostDelay);
}
int32_t mBufferPostDelay;
friend class LayerRenderPathTestHarness;
};
enum class RenderPath { SCREENSHOT, VIRTUAL_DISPLAY };
class LayerRenderPathTestHarness {
public:
LayerRenderPathTestHarness(LayerTransactionTest* delegate, RenderPath renderPath)
: mDelegate(delegate), mRenderPath(renderPath) {}
std::unique_ptr<ScreenCapture> getScreenCapture() {
switch (mRenderPath) {
case RenderPath::SCREENSHOT:
return mDelegate->screenshot();
case RenderPath::VIRTUAL_DISPLAY:
const auto mainDisplay = SurfaceComposerClient::getInternalDisplayToken();
DisplayInfo mainDisplayInfo;
SurfaceComposerClient::getDisplayInfo(mainDisplay, &mainDisplayInfo);
sp<IBinder> vDisplay;
sp<IGraphicBufferProducer> producer;
sp<IGraphicBufferConsumer> consumer;
sp<BufferItemConsumer> itemConsumer;
BufferQueue::createBufferQueue(&producer, &consumer);
consumer->setConsumerName(String8("Virtual disp consumer"));
consumer->setDefaultBufferSize(mainDisplayInfo.w, mainDisplayInfo.h);
itemConsumer = new BufferItemConsumer(consumer,
// Sample usage bits from screenrecord
GRALLOC_USAGE_HW_VIDEO_ENCODER |
GRALLOC_USAGE_SW_READ_OFTEN);
vDisplay = SurfaceComposerClient::createDisplay(String8("VirtualDisplay"),
false /*secure*/);
SurfaceComposerClient::Transaction t;
t.setDisplaySurface(vDisplay, producer);
t.setDisplayLayerStack(vDisplay, 0);
t.setDisplayProjection(vDisplay, mainDisplayInfo.orientation,
Rect(mainDisplayInfo.viewportW, mainDisplayInfo.viewportH),
Rect(mainDisplayInfo.w, mainDisplayInfo.h));
t.apply();
SurfaceComposerClient::Transaction().apply(true);
BufferItem item;
itemConsumer->acquireBuffer(&item, 0, true);
auto sc = std::make_unique<ScreenCapture>(item.mGraphicBuffer);
itemConsumer->releaseBuffer(item);
SurfaceComposerClient::destroyDisplay(vDisplay);
return sc;
}
}
protected:
LayerTransactionTest* mDelegate;
RenderPath mRenderPath;
};
class LayerTypeTransactionHarness : public LayerTransactionTest {
public:
LayerTypeTransactionHarness(uint32_t layerType) : mLayerType(layerType) {}
sp<SurfaceControl> createLayer(const char* name, uint32_t width, uint32_t height,
uint32_t flags = 0, SurfaceControl* parent = nullptr) {
// if the flags already have a layer type specified, return an error
if (flags & ISurfaceComposerClient::eFXSurfaceMask) {
return nullptr;
}
return LayerTransactionTest::createLayer(name, width, height, flags | mLayerType, parent);
}
void fillLayerColor(const sp<SurfaceControl>& layer, const Color& color, int32_t bufferWidth,
int32_t bufferHeight) {
ASSERT_NO_FATAL_FAILURE(LayerTransactionTest::fillLayerColor(mLayerType, layer, color,
bufferWidth, bufferHeight));
}
void fillLayerQuadrant(const sp<SurfaceControl>& layer, int32_t bufferWidth,
int32_t bufferHeight, const Color& topLeft, const Color& topRight,
const Color& bottomLeft, const Color& bottomRight) {
ASSERT_NO_FATAL_FAILURE(LayerTransactionTest::fillLayerQuadrant(mLayerType, layer,
bufferWidth, bufferHeight,
topLeft, topRight,
bottomLeft, bottomRight));
}
protected:
uint32_t mLayerType;
};
class LayerTypeTransactionTest : public LayerTypeTransactionHarness,
public ::testing::WithParamInterface<uint32_t> {
public:
LayerTypeTransactionTest() : LayerTypeTransactionHarness(GetParam()) {}
};
class LayerTypeAndRenderTypeTransactionTest
: public LayerTypeTransactionHarness,
public ::testing::WithParamInterface<std::tuple<uint32_t, RenderPath>> {
public:
LayerTypeAndRenderTypeTransactionTest()
: LayerTypeTransactionHarness(std::get<0>(GetParam())),
mRenderPathHarness(LayerRenderPathTestHarness(this, std::get<1>(GetParam()))) {}
std::unique_ptr<ScreenCapture> getScreenCapture() {
return mRenderPathHarness.getScreenCapture();
}
protected:
LayerRenderPathTestHarness mRenderPathHarness;
};
// Environment for starting up binder threads. This is required for testing
// virtual displays, as BufferQueue parameters may be queried over binder.
class BinderEnvironment : public ::testing::Environment {
public:
void SetUp() override { ProcessState::self()->startThreadPool(); }
};
::testing::Environment* const binderEnv =
::testing::AddGlobalTestEnvironment(new BinderEnvironment());
class LayerRenderTypeTransactionTest : public LayerTransactionTest,
public ::testing::WithParamInterface<RenderPath> {
public:
LayerRenderTypeTransactionTest() : mHarness(LayerRenderPathTestHarness(this, GetParam())) {}
std::unique_ptr<ScreenCapture> getScreenCapture() { return mHarness.getScreenCapture(); }
void setRelativeZBasicHelper(uint32_t layerType);
void setRelativeZGroupHelper(uint32_t layerType);
void setAlphaBasicHelper(uint32_t layerType);
protected:
LayerRenderPathTestHarness mHarness;
};
INSTANTIATE_TEST_CASE_P(
LayerTypeAndRenderTypeTransactionTests, LayerTypeAndRenderTypeTransactionTest,
::testing::Combine(
::testing::Values(
static_cast<uint32_t>(ISurfaceComposerClient::eFXSurfaceBufferQueue),
static_cast<uint32_t>(ISurfaceComposerClient::eFXSurfaceBufferState)),
::testing::Values(RenderPath::VIRTUAL_DISPLAY, RenderPath::SCREENSHOT)));
INSTANTIATE_TEST_CASE_P(LayerRenderTypeTransactionTests, LayerRenderTypeTransactionTest,
::testing::Values(RenderPath::VIRTUAL_DISPLAY, RenderPath::SCREENSHOT));
INSTANTIATE_TEST_CASE_P(
LayerTypeTransactionTests, LayerTypeTransactionTest,
::testing::Values(static_cast<uint32_t>(ISurfaceComposerClient::eFXSurfaceBufferQueue),
static_cast<uint32_t>(ISurfaceComposerClient::eFXSurfaceBufferState)));
TEST_P(LayerRenderTypeTransactionTest, SetPositionBasic_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
{
SCOPED_TRACE("default position");
const Rect rect(0, 0, 32, 32);
auto shot = getScreenCapture();
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
Transaction().setPosition(layer, 5, 10).apply();
{
SCOPED_TRACE("new position");
const Rect rect(5, 10, 37, 42);
auto shot = getScreenCapture();
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetPositionRounding_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// GLES requires only 4 bits of subpixel precision during rasterization
// XXX GLES composition does not match HWC composition due to precision
// loss (b/69315223)
const float epsilon = 1.0f / 16.0f;
Transaction().setPosition(layer, 0.5f - epsilon, 0.5f - epsilon).apply();
{
SCOPED_TRACE("rounding down");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setPosition(layer, 0.5f + epsilon, 0.5f + epsilon).apply();
{
SCOPED_TRACE("rounding up");
getScreenCapture()->expectColor(Rect(1, 1, 33, 33), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetPositionOutOfBounds_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
Transaction().setPosition(layer, -32, -32).apply();
{
SCOPED_TRACE("negative coordinates");
getScreenCapture()->expectColor(mDisplayRect, Color::BLACK);
}
Transaction().setPosition(layer, mDisplayWidth, mDisplayHeight).apply();
{
SCOPED_TRACE("positive coordinates");
getScreenCapture()->expectColor(mDisplayRect, Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetPositionPartiallyOutOfBounds_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// partially out of bounds
Transaction().setPosition(layer, -30, -30).apply();
{
SCOPED_TRACE("negative coordinates");
getScreenCapture()->expectColor(Rect(0, 0, 2, 2), Color::RED);
}
Transaction().setPosition(layer, mDisplayWidth - 2, mDisplayHeight - 2).apply();
{
SCOPED_TRACE("positive coordinates");
getScreenCapture()->expectColor(Rect(mDisplayWidth - 2, mDisplayHeight - 2, mDisplayWidth,
mDisplayHeight),
Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetPositionWithResize_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setPosition is applied immediately by default, with or without resize
// pending
Transaction().setPosition(layer, 5, 10).setSize(layer, 64, 64).apply();
{
SCOPED_TRACE("resize pending");
auto shot = getScreenCapture();
const Rect rect(5, 10, 37, 42);
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 64, 64));
{
SCOPED_TRACE("resize applied");
getScreenCapture()->expectColor(Rect(5, 10, 69, 74), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetPositionWithNextResize_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// request setPosition to be applied with the next resize
Transaction().setPosition(layer, 5, 10).setGeometryAppliesWithResize(layer).apply();
{
SCOPED_TRACE("new position pending");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setPosition(layer, 15, 20).apply();
{
SCOPED_TRACE("pending new position modified");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setSize(layer, 64, 64).apply();
{
SCOPED_TRACE("resize pending");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
// finally resize and latch the buffer
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 64, 64));
{
SCOPED_TRACE("new position applied");
getScreenCapture()->expectColor(Rect(15, 20, 79, 84), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetPositionWithNextResizeScaleToWindow_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setPosition is not immediate even with SCALE_TO_WINDOW override
Transaction()
.setPosition(layer, 5, 10)
.setSize(layer, 64, 64)
.setOverrideScalingMode(layer, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)
.setGeometryAppliesWithResize(layer)
.apply();
{
SCOPED_TRACE("new position pending");
getScreenCapture()->expectColor(Rect(0, 0, 64, 64), Color::RED);
}
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 64, 64));
{
SCOPED_TRACE("new position applied");
getScreenCapture()->expectColor(Rect(5, 10, 69, 74), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetSizeBasic_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
Transaction().setSize(layer, 64, 64).apply();
{
SCOPED_TRACE("resize pending");
auto shot = getScreenCapture();
const Rect rect(0, 0, 32, 32);
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 64, 64));
{
SCOPED_TRACE("resize applied");
auto shot = getScreenCapture();
const Rect rect(0, 0, 64, 64);
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetSizeInvalid) {
// cannot test robustness against invalid sizes (zero or really huge)
}
TEST_P(LayerRenderTypeTransactionTest, SetSizeWithScaleToWindow_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setSize is immediate with SCALE_TO_WINDOW, unlike setPosition
Transaction()
.setSize(layer, 64, 64)
.setOverrideScalingMode(layer, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)
.apply();
getScreenCapture()->expectColor(Rect(0, 0, 64, 64), Color::RED);
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetZBasic) {
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerR, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test G", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerG, Color::GREEN, 32, 32));
Transaction().setLayer(layerR, mLayerZBase + 1).apply();
{
SCOPED_TRACE("layerR");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setLayer(layerG, mLayerZBase + 2).apply();
{
SCOPED_TRACE("layerG");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::GREEN);
}
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetZNegative) {
sp<SurfaceControl> parent =
LayerTransactionTest::createLayer("Parent", 0 /* buffer width */, 0 /* buffer height */,
ISurfaceComposerClient::eFXSurfaceContainer);
Transaction().setCrop_legacy(parent, Rect(0, 0, mDisplayWidth, mDisplayHeight)).apply();
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerR, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test G", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerG, Color::GREEN, 32, 32));
Transaction()
.reparent(layerR, parent->getHandle())
.reparent(layerG, parent->getHandle())
.apply();
Transaction().setLayer(layerR, -1).setLayer(layerG, -2).apply();
{
SCOPED_TRACE("layerR");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setLayer(layerR, -3).apply();
{
SCOPED_TRACE("layerG");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::GREEN);
}
}
void LayerRenderTypeTransactionTest::setRelativeZBasicHelper(uint32_t layerType) {
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layerR, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test G", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layerG, Color::GREEN, 32, 32));
switch (layerType) {
case ISurfaceComposerClient::eFXSurfaceBufferQueue:
Transaction()
.setPosition(layerG, 16, 16)
.setRelativeLayer(layerG, layerR->getHandle(), 1)
.apply();
break;
case ISurfaceComposerClient::eFXSurfaceBufferState:
Transaction()
.setFrame(layerR, Rect(0, 0, 32, 32))
.setFrame(layerG, Rect(16, 16, 48, 48))
.setRelativeLayer(layerG, layerR->getHandle(), 1)
.apply();
break;
default:
ASSERT_FALSE(true) << "Unsupported layer type";
}
{
SCOPED_TRACE("layerG above");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 16, 16), Color::RED);
shot->expectColor(Rect(16, 16, 48, 48), Color::GREEN);
}
Transaction().setRelativeLayer(layerG, layerR->getHandle(), -1).apply();
{
SCOPED_TRACE("layerG below");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectColor(Rect(32, 32, 48, 48), Color::GREEN);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetRelativeZBasic_BufferQueue) {
ASSERT_NO_FATAL_FAILURE(setRelativeZBasicHelper(ISurfaceComposerClient::eFXSurfaceBufferQueue));
}
TEST_P(LayerRenderTypeTransactionTest, SetRelativeZBasic_BufferState) {
ASSERT_NO_FATAL_FAILURE(setRelativeZBasicHelper(ISurfaceComposerClient::eFXSurfaceBufferState));
}
TEST_P(LayerTypeTransactionTest, SetRelativeZNegative) {
sp<SurfaceControl> parent =
LayerTransactionTest::createLayer("Parent", 0 /* buffer width */, 0 /* buffer height */,
ISurfaceComposerClient::eFXSurfaceContainer);
Transaction().setCrop_legacy(parent, Rect(0, 0, mDisplayWidth, mDisplayHeight)).apply();
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
sp<SurfaceControl> layerB;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerR, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test G", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerG, Color::GREEN, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerB = createLayer("test B", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerB, Color::BLUE, 32, 32));
Transaction()
.reparent(layerB, parent->getHandle())
.apply();
// layerR = mLayerZBase, layerG = layerR - 1, layerB = -2
Transaction().setRelativeLayer(layerG, layerR->getHandle(), -1).setLayer(layerB, -2).apply();
std::unique_ptr<ScreenCapture> screenshot;
// only layerB is in this range
sp<IBinder> parentHandle = parent->getHandle();
ScreenCapture::captureLayers(&screenshot, parentHandle, Rect(0, 0, 32, 32));
screenshot->expectColor(Rect(0, 0, 32, 32), Color::BLUE);
}
void LayerRenderTypeTransactionTest::setRelativeZGroupHelper(uint32_t layerType) {
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
sp<SurfaceControl> layerB;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layerR, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layerG, Color::GREEN, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerB = createLayer("test", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layerB, Color::BLUE, 32, 32));
// layerR = 0, layerG = layerR + 3, layerB = 2
switch (layerType) {
case ISurfaceComposerClient::eFXSurfaceBufferQueue:
Transaction()
.setPosition(layerG, 8, 8)
.setRelativeLayer(layerG, layerR->getHandle(), 3)
.setPosition(layerB, 16, 16)
.setLayer(layerB, mLayerZBase + 2)
.apply();
break;
case ISurfaceComposerClient::eFXSurfaceBufferState:
Transaction()
.setFrame(layerR, Rect(0, 0, 32, 32))
.setFrame(layerG, Rect(8, 8, 40, 40))
.setRelativeLayer(layerG, layerR->getHandle(), 3)
.setFrame(layerB, Rect(16, 16, 48, 48))
.setLayer(layerB, mLayerZBase + 2)
.apply();
break;
default:
ASSERT_FALSE(true) << "Unsupported layer type";
}
{
SCOPED_TRACE("(layerR < layerG) < layerB");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 8, 8), Color::RED);
shot->expectColor(Rect(8, 8, 16, 16), Color::GREEN);
shot->expectColor(Rect(16, 16, 48, 48), Color::BLUE);
}
// layerR = 4, layerG = layerR + 3, layerB = 2
Transaction().setLayer(layerR, mLayerZBase + 4).apply();
{
SCOPED_TRACE("layerB < (layerR < layerG)");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 8, 8), Color::RED);
shot->expectColor(Rect(8, 8, 40, 40), Color::GREEN);
shot->expectColor(Rect(40, 40, 48, 48), Color::BLUE);
}
// layerR = 4, layerG = layerR - 3, layerB = 2
Transaction().setRelativeLayer(layerG, layerR->getHandle(), -3).apply();
{
SCOPED_TRACE("layerB < (layerG < layerR)");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectColor(Rect(32, 32, 40, 40), Color::GREEN);
shot->expectColor(Rect(40, 40, 48, 48), Color::BLUE);
}
// restore to absolute z
// layerR = 4, layerG = 0, layerB = 2
Transaction().setLayer(layerG, mLayerZBase).apply();
{
SCOPED_TRACE("layerG < layerB < layerR");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectColor(Rect(32, 32, 48, 48), Color::BLUE);
}
// layerR should not affect layerG anymore
// layerR = 1, layerG = 0, layerB = 2
Transaction().setLayer(layerR, mLayerZBase + 1).apply();
{
SCOPED_TRACE("layerG < layerR < layerB");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 16, 16), Color::RED);
shot->expectColor(Rect(16, 16, 48, 48), Color::BLUE);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetRelativeZGroup_BufferQueue) {
ASSERT_NO_FATAL_FAILURE(setRelativeZGroupHelper(ISurfaceComposerClient::eFXSurfaceBufferQueue));
}
TEST_P(LayerRenderTypeTransactionTest, SetRelativeZGroup_BufferState) {
ASSERT_NO_FATAL_FAILURE(setRelativeZGroupHelper(ISurfaceComposerClient::eFXSurfaceBufferState));
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetRelativeZBug64572777) {
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerR, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test G", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerG, Color::GREEN, 32, 32));
Transaction()
.setPosition(layerG, 16, 16)
.setRelativeLayer(layerG, layerR->getHandle(), 1)
.apply();
layerG->clear();
// layerG should have been removed
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetFlagsHidden) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layer, Color::RED, 32, 32));
Transaction().setFlags(layer, layer_state_t::eLayerHidden, layer_state_t::eLayerHidden).apply();
{
SCOPED_TRACE("layer hidden");
getScreenCapture()->expectColor(mDisplayRect, Color::BLACK);
}
Transaction().setFlags(layer, 0, layer_state_t::eLayerHidden).apply();
{
SCOPED_TRACE("layer shown");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetFlagsOpaque) {
const Color translucentRed = {100, 0, 0, 100};
sp<SurfaceControl> layerR;
sp<SurfaceControl> layerG;
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerR, translucentRed, 32, 32));
ASSERT_NO_FATAL_FAILURE(layerG = createLayer("test G", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerG, Color::GREEN, 32, 32));
Transaction()
.setLayer(layerR, mLayerZBase + 1)
.setFlags(layerR, layer_state_t::eLayerOpaque, layer_state_t::eLayerOpaque)
.apply();
{
SCOPED_TRACE("layerR opaque");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), {100, 0, 0, 255});
}
Transaction().setFlags(layerR, 0, layer_state_t::eLayerOpaque).apply();
{
SCOPED_TRACE("layerR translucent");
const uint8_t g = uint8_t(255 - translucentRed.a);
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), {100, g, 0, 255});
}
}
TEST_P(LayerTypeTransactionTest, SetFlagsSecure) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layer, Color::RED, 32, 32));
sp<ISurfaceComposer> composer = ComposerService::getComposerService();
sp<GraphicBuffer> outBuffer;
Transaction()
.setFlags(layer, layer_state_t::eLayerSecure, layer_state_t::eLayerSecure)
.apply(true);
ASSERT_EQ(PERMISSION_DENIED,
composer->captureScreen(mDisplay, &outBuffer, Rect(), 0, 0, false));
Transaction().setFlags(layer, 0, layer_state_t::eLayerSecure).apply(true);
ASSERT_EQ(NO_ERROR,
composer->captureScreen(mDisplay, &outBuffer, Rect(), 0, 0, false));
}
TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintBasic_BufferQueue) {
const Rect top(0, 0, 32, 16);
const Rect bottom(0, 16, 32, 32);
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ANativeWindow_Buffer buffer;
ASSERT_NO_FATAL_FAILURE(buffer = getBufferQueueLayerBuffer(layer));
ASSERT_NO_FATAL_FAILURE(fillANativeWindowBufferColor(buffer, top, Color::TRANSPARENT));
ASSERT_NO_FATAL_FAILURE(fillANativeWindowBufferColor(buffer, bottom, Color::RED));
// setTransparentRegionHint always applies to the following buffer
Transaction().setTransparentRegionHint(layer, Region(top)).apply();
ASSERT_NO_FATAL_FAILURE(postBufferQueueLayerBuffer(layer));
{
SCOPED_TRACE("top transparent");
auto shot = getScreenCapture();
shot->expectColor(top, Color::BLACK);
shot->expectColor(bottom, Color::RED);
}
Transaction().setTransparentRegionHint(layer, Region(bottom)).apply();
{
SCOPED_TRACE("transparent region hint pending");
auto shot = getScreenCapture();
shot->expectColor(top, Color::BLACK);
shot->expectColor(bottom, Color::RED);
}
ASSERT_NO_FATAL_FAILURE(buffer = getBufferQueueLayerBuffer(layer));
ASSERT_NO_FATAL_FAILURE(fillANativeWindowBufferColor(buffer, top, Color::RED));
ASSERT_NO_FATAL_FAILURE(fillANativeWindowBufferColor(buffer, bottom, Color::TRANSPARENT));
ASSERT_NO_FATAL_FAILURE(postBufferQueueLayerBuffer(layer));
{
SCOPED_TRACE("bottom transparent");
auto shot = getScreenCapture();
shot->expectColor(top, Color::RED);
shot->expectColor(bottom, Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintBasic_BufferState) {
const Rect top(0, 0, 32, 16);
const Rect bottom(0, 16, 32, 32);
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
sp<GraphicBuffer> buffer =
new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1,
BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
BufferUsage::COMPOSER_OVERLAY,
"test");
ASSERT_NO_FATAL_FAILURE(fillGraphicBufferColor(buffer, top, Color::TRANSPARENT));
ASSERT_NO_FATAL_FAILURE(fillGraphicBufferColor(buffer, bottom, Color::RED));
Transaction()
.setTransparentRegionHint(layer, Region(top))
.setBuffer(layer, buffer)
.setFrame(layer, Rect(0, 0, 32, 32))
.apply();
{
SCOPED_TRACE("top transparent");
auto shot = getScreenCapture();
shot->expectColor(top, Color::BLACK);
shot->expectColor(bottom, Color::RED);
}
Transaction().setTransparentRegionHint(layer, Region(bottom)).apply();
{
SCOPED_TRACE("transparent region hint intermediate");
auto shot = getScreenCapture();
shot->expectColor(top, Color::BLACK);
shot->expectColor(bottom, Color::BLACK);
}
buffer = new GraphicBuffer(32, 32, PIXEL_FORMAT_RGBA_8888, 1,
BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
BufferUsage::COMPOSER_OVERLAY,
"test");
ASSERT_NO_FATAL_FAILURE(fillGraphicBufferColor(buffer, top, Color::RED));
ASSERT_NO_FATAL_FAILURE(fillGraphicBufferColor(buffer, bottom, Color::TRANSPARENT));
Transaction().setBuffer(layer, buffer).apply();
{
SCOPED_TRACE("bottom transparent");
auto shot = getScreenCapture();
shot->expectColor(top, Color::RED);
shot->expectColor(bottom, Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintOutOfBounds_BufferQueue) {
sp<SurfaceControl> layerTransparent;
sp<SurfaceControl> layerR;
ASSERT_NO_FATAL_FAILURE(layerTransparent = createLayer("test transparent", 32, 32));
ASSERT_NO_FATAL_FAILURE(layerR = createLayer("test R", 32, 32));
// check that transparent region hint is bound by the layer size
Transaction()
.setTransparentRegionHint(layerTransparent, Region(mDisplayRect))
.setPosition(layerR, 16, 16)
.setLayer(layerR, mLayerZBase + 1)
.apply();
ASSERT_NO_FATAL_FAILURE(
fillBufferQueueLayerColor(layerTransparent, Color::TRANSPARENT, 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layerR, Color::RED, 32, 32));
getScreenCapture()->expectColor(Rect(16, 16, 48, 48), Color::RED);
}
TEST_P(LayerRenderTypeTransactionTest, SetTransparentRegionHintOutOfBounds_BufferState) {
sp<SurfaceControl> layerTransparent;
sp<SurfaceControl> layerR;
ASSERT_NO_FATAL_FAILURE(layerTransparent = createLayer("test transparent", 32, 32));
ASSERT_NO_FATAL_FAILURE(
layerR = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
// check that transparent region hint is bound by the layer size
Transaction()
.setTransparentRegionHint(layerTransparent, Region(mDisplayRect))
.setFrame(layerR, Rect(16, 16, 48, 48))
.setLayer(layerR, mLayerZBase + 1)
.apply();
ASSERT_NO_FATAL_FAILURE(
fillBufferQueueLayerColor(layerTransparent, Color::TRANSPARENT, 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layerR, Color::RED, 32, 32));
getScreenCapture()->expectColor(Rect(16, 16, 48, 48), Color::RED);
}
TEST_P(LayerRenderTypeTransactionTest, SetColorAlpha_Color_NoEffect) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 0, 0, ISurfaceComposerClient::eFXSurfaceColor));
half3 color;
color.r = 1.0f;
color.g = 0.0f;
color.b = 0.0f;
Transaction()
.setCrop_legacy(layer, Rect(0, 0, 32, 32))
.setAlpha(layer, 1.0f)
.setColor(layer, color)
.setColorAlpha(layer, 0.5f)
.apply();
screenshot()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
TEST_P(LayerRenderTypeTransactionTest, SetColorAlpha_BufferQueue_NoEffect) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
Transaction().setAlpha(layer, 1.0f).setColorAlpha(layer, 0.5f).apply();
screenshot()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
TEST_P(LayerRenderTypeTransactionTest, SetColorAlpha_BufferState_ColorLayer) {
sp<SurfaceControl> bgLayer;
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(bgLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bgLayer, Color::RED, 32, 32));
// create color layer
half3 color;
color.r = 0.0f;
color.g = 1.0f;
color.b = 0.0f;
Transaction().setFrame(layer, Rect(0, 0, 32, 32)).setColor(layer, color).apply();
{
SCOPED_TRACE("before alpha");
auto shot = screenshot();
shot->expectColor(Rect(0, 0, 32, 32), Color::GREEN);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
// apply alpha
Transaction().setAlpha(layer, 0.0f).apply();
{
SCOPED_TRACE("set alpha");
auto shot = screenshot();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetColorAlpha_BufferState_NoColorLayer) {
sp<SurfaceControl> bgLayer;
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(bgLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bgLayer, Color::RED, 32, 32));
{
SCOPED_TRACE("before alpha");
screenshot()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
// setting alpha without creating color layer should have no effect
Transaction().setFrame(layer, Rect(0, 0, 32, 32)).setAlpha(layer, 0.5f).apply();
{
SCOPED_TRACE("alpha");
auto shot = screenshot();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
}
void LayerRenderTypeTransactionTest::setAlphaBasicHelper(uint32_t layerType) {
sp<SurfaceControl> layer1;
sp<SurfaceControl> layer2;
ASSERT_NO_FATAL_FAILURE(layer1 = createLayer("test 1", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(layer2 = createLayer("test 2", 32, 32, layerType));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layer1, {64, 0, 0, 255}, 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layerType, layer2, {0, 64, 0, 255}, 32, 32));
switch (layerType) {
case ISurfaceComposerClient::eFXSurfaceBufferQueue:
Transaction()
.setAlpha(layer1, 0.25f)
.setAlpha(layer2, 0.75f)
.setPosition(layer2, 16, 0)
.setLayer(layer2, mLayerZBase + 1)
.apply();
break;
case ISurfaceComposerClient::eFXSurfaceBufferState:
Transaction()
.setAlpha(layer1, 0.25f)
.setAlpha(layer2, 0.75f)
.setFrame(layer1, Rect(0, 0, 32, 32))
.setFrame(layer2, Rect(16, 0, 48, 32))
.setLayer(layer2, mLayerZBase + 1)
.apply();
break;
default:
ASSERT_FALSE(true) << "Unsupported layer type";
}
{
auto shot = getScreenCapture();
uint8_t r = 16; // 64 * 0.25f
uint8_t g = 48; // 64 * 0.75f
shot->expectColor(Rect(0, 0, 16, 32), {r, 0, 0, 255});
shot->expectColor(Rect(32, 0, 48, 32), {0, g, 0, 255});
r /= 4; // r * (1.0f - 0.75f)
shot->expectColor(Rect(16, 0, 32, 32), {r, g, 0, 255});
}
}
TEST_P(LayerRenderTypeTransactionTest, SetAlphaBasic_BufferQueue) {
ASSERT_NO_FATAL_FAILURE(setAlphaBasicHelper(ISurfaceComposerClient::eFXSurfaceBufferQueue));
}
TEST_P(LayerRenderTypeTransactionTest, SetAlphaBasic_BufferState) {
ASSERT_NO_FATAL_FAILURE(setAlphaBasicHelper(ISurfaceComposerClient::eFXSurfaceBufferState));
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetAlphaClamped) {
const Color color = {64, 0, 0, 255};
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layer, color, 32, 32));
Transaction().setAlpha(layer, 2.0f).apply();
{
SCOPED_TRACE("clamped to 1.0f");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), color);
}
Transaction().setAlpha(layer, -1.0f).apply();
{
SCOPED_TRACE("clamped to 0.0f");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::BLACK);
}
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetCornerRadius) {
sp<SurfaceControl> layer;
const uint8_t size = 64;
const uint8_t testArea = 4;
const float cornerRadius = 20.0f;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", size, size));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layer, Color::RED, size, size));
Transaction()
.setCornerRadius(layer, cornerRadius)
.apply();
{
const uint8_t bottom = size - 1;
const uint8_t right = size - 1;
auto shot = getScreenCapture();
// Transparent corners
shot->expectColor(Rect(0, 0, testArea, testArea), Color::BLACK);
shot->expectColor(Rect(size - testArea, 0, right, testArea), Color::BLACK);
shot->expectColor(Rect(0, bottom - testArea, testArea, bottom), Color::BLACK);
shot->expectColor(Rect(size - testArea, bottom - testArea, right, bottom), Color::BLACK);
}
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetCornerRadiusChildCrop) {
sp<SurfaceControl> parent;
sp<SurfaceControl> child;
const uint8_t size = 64;
const uint8_t testArea = 4;
const float cornerRadius = 20.0f;
ASSERT_NO_FATAL_FAILURE(parent = createLayer("parent", size, size));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(parent, Color::RED, size, size));
ASSERT_NO_FATAL_FAILURE(child = createLayer("child", size, size / 2));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(child, Color::GREEN, size, size / 2));
Transaction()
.setCornerRadius(parent, cornerRadius)
.reparent(child, parent->getHandle())
.setPosition(child, 0, size / 2)
.apply();
{
const uint8_t bottom = size - 1;
const uint8_t right = size - 1;
auto shot = getScreenCapture();
// Top edge of child should not have rounded corners because it's translated in the parent
shot->expectColor(Rect(0, size / 2, right, static_cast<int>(bottom - cornerRadius)),
Color::GREEN);
// But bottom edges should have been clipped according to parent bounds
shot->expectColor(Rect(0, bottom - testArea, testArea, bottom), Color::BLACK);
shot->expectColor(Rect(right - testArea, bottom - testArea, right, bottom), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetColorBasic) {
sp<SurfaceControl> bufferLayer;
sp<SurfaceControl> colorLayer;
ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bufferLayer, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(colorLayer =
createLayer("test", 0 /* buffer width */, 0 /* buffer height */,
ISurfaceComposerClient::eFXSurfaceColor));
Transaction()
.setCrop_legacy(colorLayer, Rect(0, 0, 32, 32))
.setLayer(colorLayer, mLayerZBase + 1)
.apply();
{
SCOPED_TRACE("default color");
getScreenCapture()->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");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), expected, tolerance);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetBackgroundColor_BufferState_NoPriorColor) {
sp<SurfaceControl> bufferQueueLayer;
sp<SurfaceControl> bufferStateLayer;
ASSERT_NO_FATAL_FAILURE(bufferQueueLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(
bufferStateLayer =
createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bufferQueueLayer, Color::RED, 32, 32));
{
SCOPED_TRACE("default color");
screenshot()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
half3 color;
color.r = 0.0f;
color.g = 1.0f;
color.b = 0.0f;
Transaction()
.setFrame(bufferStateLayer, Rect(0, 0, 32, 32))
.setLayer(bufferStateLayer, mLayerZBase + 1)
.setColor(bufferStateLayer, color)
.apply();
{
SCOPED_TRACE("set color");
auto shot = screenshot();
shot->expectColor(Rect(0, 0, 32, 32), Color::GREEN);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetBackgroundColor_BufferState_PriorColor) {
sp<SurfaceControl> bufferQueueLayer;
sp<SurfaceControl> bufferStateLayer;
ASSERT_NO_FATAL_FAILURE(bufferQueueLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(
bufferStateLayer =
createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bufferQueueLayer, Color::RED, 32, 32));
half3 color;
color.r = 0.0f;
color.g = 1.0f;
color.b = 0.0f;
Transaction()
.setFrame(bufferStateLayer, Rect(0, 0, 32, 32))
.setLayer(bufferStateLayer, mLayerZBase + 1)
.setColor(bufferStateLayer, color)
.apply();
{
SCOPED_TRACE("default color");
auto shot = screenshot();
shot->expectColor(Rect(0, 0, 32, 32), Color::GREEN);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
color.r = 0.0f;
color.g = 0.0f;
color.b = 1.0f;
Transaction().setColor(bufferStateLayer, color).apply();
{
SCOPED_TRACE("new color");
auto shot = screenshot();
shot->expectColor(Rect(0, 0, 32, 32), Color::BLUE);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetColorClamped) {
sp<SurfaceControl> colorLayer;
ASSERT_NO_FATAL_FAILURE(colorLayer =
createLayer("test", 0 /* buffer width */, 0 /* buffer height */,
ISurfaceComposerClient::eFXSurfaceColor));
Transaction()
.setCrop_legacy(colorLayer, Rect(0, 0, 32, 32))
.setColor(colorLayer, half3(2.0f, -1.0f, 0.0f))
.apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
TEST_P(LayerRenderTypeTransactionTest, SetColorWithAlpha) {
sp<SurfaceControl> bufferLayer;
sp<SurfaceControl> colorLayer;
ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bufferLayer, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(colorLayer =
createLayer("test", 0 /* buffer width */, 0 /* buffer height */,
ISurfaceComposerClient::eFXSurfaceColor));
Transaction().setCrop_legacy(colorLayer, Rect(0, 0, 32, 32)).apply();
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();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), {expected.r, expected.g, expected.b, 255},
tolerance);
}
TEST_P(LayerRenderTypeTransactionTest, SetColorWithParentAlpha_Bug74220420) {
sp<SurfaceControl> bufferLayer;
sp<SurfaceControl> parentLayer;
sp<SurfaceControl> colorLayer;
ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test bg", 32, 32));
ASSERT_NO_FATAL_FAILURE(parentLayer = createLayer("parentWithAlpha", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(bufferLayer, Color::RED, 32, 32));
ASSERT_NO_FATAL_FAILURE(colorLayer = createLayer("childWithColor", 0 /* buffer width */,
0 /* buffer height */,
ISurfaceComposerClient::eFXSurfaceColor));
Transaction().setCrop_legacy(colorLayer, Rect(0, 0, 32, 32)).apply();
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 precision loss scaled by 255 (8-bit per
// channel) should be less than one
const uint8_t tolerance = 1;
Transaction()
.reparent(colorLayer, parentLayer->getHandle())
.setColor(colorLayer, color)
.setAlpha(parentLayer, alpha)
.setLayer(parentLayer, mLayerZBase + 1)
.apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), {expected.r, expected.g, expected.b, 255},
tolerance);
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetColorWithBuffer) {
sp<SurfaceControl> bufferLayer;
ASSERT_NO_FATAL_FAILURE(bufferLayer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(bufferLayer, Color::RED, 32, 32));
// color is ignored
Transaction().setColor(bufferLayer, half3(0.0f, 1.0f, 0.0f)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
TEST_P(LayerTypeAndRenderTypeTransactionTest, SetLayerStackBasic) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillLayerColor(layer, Color::RED, 32, 32));
Transaction().setLayerStack(layer, mDisplayLayerStack + 1).apply();
{
SCOPED_TRACE("non-existing layer stack");
getScreenCapture()->expectColor(mDisplayRect, Color::BLACK);
}
Transaction().setLayerStack(layer, mDisplayLayerStack).apply();
{
SCOPED_TRACE("original layer stack");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetMatrixBasic_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerQuadrant(layer, 32, 32, Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE));
Transaction().setMatrix(layer, 1.0f, 0.0f, 0.0f, 1.0f).setPosition(layer, 0, 0).apply();
{
SCOPED_TRACE("IDENTITY");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE);
}
Transaction().setMatrix(layer, -1.0f, 0.0f, 0.0f, 1.0f).setPosition(layer, 32, 0).apply();
{
SCOPED_TRACE("FLIP_H");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::GREEN, Color::RED,
Color::WHITE, Color::BLUE);
}
Transaction().setMatrix(layer, 1.0f, 0.0f, 0.0f, -1.0f).setPosition(layer, 0, 32).apply();
{
SCOPED_TRACE("FLIP_V");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::BLUE, Color::WHITE,
Color::RED, Color::GREEN);
}
Transaction().setMatrix(layer, 0.0f, 1.0f, -1.0f, 0.0f).setPosition(layer, 32, 0).apply();
{
SCOPED_TRACE("ROT_90");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::BLUE, Color::RED,
Color::WHITE, Color::GREEN);
}
Transaction().setMatrix(layer, 2.0f, 0.0f, 0.0f, 2.0f).setPosition(layer, 0, 0).apply();
{
SCOPED_TRACE("SCALE");
getScreenCapture()->expectQuadrant(Rect(0, 0, 64, 64), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE, true /* filtered */);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetMatrixBasic_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerQuadrant(layer, 32, 32, Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE));
Transaction()
.setMatrix(layer, 1.0f, 0.0f, 0.0f, 1.0f)
.setFrame(layer, Rect(0, 0, 32, 32))
.apply();
{
SCOPED_TRACE("IDENTITY");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE);
}
Transaction().setMatrix(layer, -1.0f, 0.0f, 0.0f, 1.0f).apply();
{
SCOPED_TRACE("FLIP_H");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE);
}
Transaction().setMatrix(layer, 1.0f, 0.0f, 0.0f, -1.0f).apply();
{
SCOPED_TRACE("FLIP_V");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE);
}
Transaction().setMatrix(layer, 0.0f, 1.0f, -1.0f, 0.0f).apply();
{
SCOPED_TRACE("ROT_90");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE);
}
Transaction().setMatrix(layer, 2.0f, 0.0f, 0.0f, 2.0f).apply();
{
SCOPED_TRACE("SCALE");
getScreenCapture()->expectQuadrant(Rect(0, 0, 32, 32), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetMatrixRot45_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerQuadrant(layer, 32, 32, Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE));
const float rot = M_SQRT1_2; // 45 degrees
const float trans = M_SQRT2 * 16.0f;
Transaction().setMatrix(layer, rot, rot, -rot, rot).setPosition(layer, trans, 0).apply();
auto shot = getScreenCapture();
// check a 8x8 region inside each color
auto get8x8Rect = [](int32_t centerX, int32_t centerY) {
const int32_t halfL = 4;
return Rect(centerX - halfL, centerY - halfL, centerX + halfL, centerY + halfL);
};
const int32_t unit = int32_t(trans / 2);
shot->expectColor(get8x8Rect(2 * unit, 1 * unit), Color::RED);
shot->expectColor(get8x8Rect(3 * unit, 2 * unit), Color::GREEN);
shot->expectColor(get8x8Rect(1 * unit, 2 * unit), Color::BLUE);
shot->expectColor(get8x8Rect(2 * unit, 3 * unit), Color::WHITE);
}
TEST_P(LayerRenderTypeTransactionTest, SetMatrixWithResize_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setMatrix is applied after any pending resize, unlike setPosition
Transaction().setMatrix(layer, 2.0f, 0.0f, 0.0f, 2.0f).setSize(layer, 64, 64).apply();
{
SCOPED_TRACE("resize pending");
auto shot = getScreenCapture();
const Rect rect(0, 0, 32, 32);
shot->expectColor(rect, Color::RED);
shot->expectBorder(rect, Color::BLACK);
}
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 64, 64));
{
SCOPED_TRACE("resize applied");
const Rect rect(0, 0, 128, 128);
getScreenCapture()->expectColor(rect, Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetMatrixWithScaleToWindow_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setMatrix is immediate with SCALE_TO_WINDOW, unlike setPosition
Transaction()
.setMatrix(layer, 2.0f, 0.0f, 0.0f, 2.0f)
.setSize(layer, 64, 64)
.setOverrideScalingMode(layer, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)
.apply();
getScreenCapture()->expectColor(Rect(0, 0, 128, 128), Color::RED);
}
TEST_P(LayerRenderTypeTransactionTest, SetOverrideScalingModeBasic_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerQuadrant(layer, 32, 32, Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE));
// XXX SCALE_CROP is not respected; calling setSize and
// setOverrideScalingMode in separate transactions does not work
// (b/69315456)
Transaction()
.setSize(layer, 64, 16)
.setOverrideScalingMode(layer, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)
.apply();
{
SCOPED_TRACE("SCALE_TO_WINDOW");
getScreenCapture()->expectQuadrant(Rect(0, 0, 64, 16), Color::RED, Color::GREEN,
Color::BLUE, Color::WHITE, true /* filtered */);
}
}
TEST_P(LayerTypeTransactionTest, RefreshRateIsInitialized) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
sp<IBinder> handle = layer->getHandle();
ASSERT_TRUE(handle != nullptr);
FrameStats frameStats;
mClient->getLayerFrameStats(handle, &frameStats);
ASSERT_GT(frameStats.refreshPeriodNano, static_cast<nsecs_t>(0));
}
TEST_P(LayerRenderTypeTransactionTest, SetCropBasic_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
const Rect crop(8, 8, 24, 24);
Transaction().setCrop_legacy(layer, crop).apply();
auto shot = getScreenCapture();
shot->expectColor(crop, Color::RED);
shot->expectBorder(crop, Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetCropBasic_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
const Rect crop(8, 8, 24, 24);
Transaction().setCrop(layer, crop).apply();
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetCropEmpty_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
{
SCOPED_TRACE("empty rect");
Transaction().setCrop_legacy(layer, Rect(8, 8, 8, 8)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
{
SCOPED_TRACE("negative rect");
Transaction().setCrop_legacy(layer, Rect(8, 8, 0, 0)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetCropEmpty_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
{
SCOPED_TRACE("empty rect");
Transaction().setCrop(layer, Rect(8, 8, 8, 8)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
{
SCOPED_TRACE("negative rect");
Transaction().setCrop(layer, Rect(8, 8, 0, 0)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetCropOutOfBounds_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
Transaction().setCrop_legacy(layer, Rect(-128, -64, 128, 64)).apply();
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::RED);
shot->expectBorder(Rect(0, 0, 32, 32), Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetCropOutOfBounds_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", mDisplayWidth, mDisplayHeight / 2,
ISurfaceComposerClient::eFXSurfaceBufferState));
sp<GraphicBuffer> buffer =
new GraphicBuffer(mDisplayWidth, mDisplayHeight / 2, PIXEL_FORMAT_RGBA_8888, 1,
BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
BufferUsage::COMPOSER_OVERLAY,
"test");
fillGraphicBufferColor(buffer, Rect(0, 0, mDisplayWidth, mDisplayHeight / 4), Color::BLUE);
fillGraphicBufferColor(buffer, Rect(0, mDisplayHeight / 4, mDisplayWidth, mDisplayHeight / 2),
Color::RED);
Transaction().setBuffer(layer, buffer).apply();
// Partially out of bounds in the negative (upper left) direction
Transaction().setCrop(layer, Rect(-128, -128, mDisplayWidth, mDisplayHeight / 4)).apply();
{
SCOPED_TRACE("out of bounds, negative (upper left) direction");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, mDisplayWidth, mDisplayHeight / 2), Color::BLUE);
shot->expectBorder(Rect(0, 0, mDisplayWidth, mDisplayHeight / 2), Color::BLACK);
}
// Partially out of bounds in the positive (lower right) direction
Transaction()
.setCrop(layer, Rect(0, mDisplayHeight / 4, mDisplayWidth + 1, mDisplayHeight))
.apply();
{
SCOPED_TRACE("out of bounds, positive (lower right) direction");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, mDisplayWidth, mDisplayHeight / 2), Color::RED);
shot->expectBorder(Rect(0, 0, mDisplayWidth, mDisplayHeight / 2), Color::BLACK);
}
// Fully out of buffer space bounds
Transaction().setCrop(layer, Rect(-128, -128, -1, -1)).apply();
{
SCOPED_TRACE("Fully out of bounds");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, mDisplayWidth, mDisplayHeight / 4), Color::BLUE);
shot->expectColor(Rect(0, mDisplayHeight / 4, mDisplayWidth, mDisplayHeight / 2),
Color::RED);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetCropWithTranslation_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
const Point position(32, 32);
const Rect crop(8, 8, 24, 24);
Transaction().setPosition(layer, position.x, position.y).setCrop_legacy(layer, crop).apply();
auto shot = getScreenCapture();
shot->expectColor(crop + position, Color::RED);
shot->expectBorder(crop + position, Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetCropWithTranslation_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
const Rect frame(32, 32, 64, 64);
const Rect crop(8, 8, 24, 24);
Transaction().setFrame(layer, frame).setCrop(layer, crop).apply();
auto shot = getScreenCapture();
shot->expectColor(frame, Color::RED);
shot->expectBorder(frame, Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetCropWithScale_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// crop_legacy is affected by matrix
Transaction()
.setMatrix(layer, 2.0f, 0.0f, 0.0f, 2.0f)
.setCrop_legacy(layer, Rect(8, 8, 24, 24))
.apply();
auto shot = getScreenCapture();
shot->expectColor(Rect(16, 16, 48, 48), Color::RED);
shot->expectBorder(Rect(16, 16, 48, 48), Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetCropWithResize_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setCrop_legacy is applied immediately by default, with or without resize pending
Transaction().setCrop_legacy(layer, Rect(8, 8, 24, 24)).setSize(layer, 16, 16).apply();
{
SCOPED_TRACE("resize pending");
auto shot = getScreenCapture();
shot->expectColor(Rect(8, 8, 24, 24), Color::RED);
shot->expectBorder(Rect(8, 8, 24, 24), Color::BLACK);
}
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 16, 16));
{
SCOPED_TRACE("resize applied");
auto shot = getScreenCapture();
shot->expectColor(Rect(8, 8, 16, 16), Color::RED);
shot->expectBorder(Rect(8, 8, 16, 16), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetCropWithNextResize_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// request setCrop_legacy to be applied with the next resize
Transaction()
.setCrop_legacy(layer, Rect(8, 8, 24, 24))
.setGeometryAppliesWithResize(layer)
.apply();
{
SCOPED_TRACE("waiting for next resize");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setCrop_legacy(layer, Rect(4, 4, 12, 12)).apply();
{
SCOPED_TRACE("pending crop modified");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
Transaction().setSize(layer, 16, 16).apply();
{
SCOPED_TRACE("resize pending");
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::RED);
}
// finally resize
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 16, 16));
{
SCOPED_TRACE("new crop applied");
auto shot = getScreenCapture();
shot->expectColor(Rect(4, 4, 12, 12), Color::RED);
shot->expectBorder(Rect(4, 4, 12, 12), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetCropWithNextResizeScaleToWindow_BufferQueue) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(layer = createLayer("test", 32, 32));
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 32, 32));
// setCrop_legacy is not immediate even with SCALE_TO_WINDOW override
Transaction()
.setCrop_legacy(layer, Rect(4, 4, 12, 12))
.setSize(layer, 16, 16)
.setOverrideScalingMode(layer, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW)
.setGeometryAppliesWithResize(layer)
.apply();
{
SCOPED_TRACE("new crop pending");
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 16, 16), Color::RED);
shot->expectBorder(Rect(0, 0, 16, 16), Color::BLACK);
}
// XXX crop is never latched without other geometry change (b/69315677)
Transaction().setPosition(layer, 1, 0).setGeometryAppliesWithResize(layer).apply();
ASSERT_NO_FATAL_FAILURE(fillBufferQueueLayerColor(layer, Color::RED, 16, 16));
Transaction().setPosition(layer, 0, 0).apply();
{
SCOPED_TRACE("new crop applied");
auto shot = getScreenCapture();
shot->expectColor(Rect(4, 4, 12, 12), Color::RED);
shot->expectBorder(Rect(4, 4, 12, 12), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetFrameBasic_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
const Rect frame(8, 8, 24, 24);
Transaction().setFrame(layer, frame).apply();
auto shot = getScreenCapture();
shot->expectColor(frame, Color::RED);
shot->expectBorder(frame, Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetFrameEmpty_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 32, 32));
{
SCOPED_TRACE("empty rect");
Transaction().setFrame(layer, Rect(8, 8, 8, 8)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::BLACK);
}
{
SCOPED_TRACE("negative rect");
Transaction().setFrame(layer, Rect(8, 8, 0, 0)).apply();
getScreenCapture()->expectColor(Rect(0, 0, 32, 32), Color::BLACK);
}
}
TEST_P(LayerRenderTypeTransactionTest, SetFrameDefaultParentless_BufferState) {
sp<SurfaceControl> layer;
ASSERT_NO_FATAL_FAILURE(
layer = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(layer, Color::RED, 10, 10));
// A parentless layer will default to a frame with the same size as the buffer
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 10, 10), Color::RED);
shot->expectBorder(Rect(0, 0, 10, 10), Color::BLACK);
}
TEST_P(LayerRenderTypeTransactionTest, SetFrameDefaultBSParent_BufferState) {
sp<SurfaceControl> parent, child;
ASSERT_NO_FATAL_FAILURE(
parent = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(parent, Color::RED, 32, 32));
Transaction().setFrame(parent, Rect(0, 0, 32, 32)).apply();
ASSERT_NO_FATAL_FAILURE(
child = createLayer("test", 32, 32, ISurfaceComposerClient::eFXSurfaceBufferState));
ASSERT_NO_FATAL_FAILURE(fillBufferStateLayerColor(child, Color::BLUE, 10, 10));
Transaction().reparent(child, parent->getHandle()).apply();
// A layer will default to the frame of its parent
auto shot = getScreenCapture();
shot->expectColor(Rect(0, 0, 32, 32), Color::BLUE);