Refactoring Transaction_test continued
Bug: 140128949
Test: build, boot, SurfaceFlinger_test
Change-Id: Ibe0bdf04e1667051aa2126a676839cdcdbe7579d
diff --git a/services/surfaceflinger/tests/LayerTransactionTest.h b/services/surfaceflinger/tests/LayerTransactionTest.h
new file mode 100644
index 0000000..7edddb6
--- /dev/null
+++ b/services/surfaceflinger/tests/LayerTransactionTest.h
@@ -0,0 +1,296 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+#ifndef ANDROID_LAYER_TRANSACTION_TEST_H
+#define ANDROID_LAYER_TRANSACTION_TEST_H
+
+#include <gtest/gtest.h>
+
+#include <gui/ISurfaceComposer.h>
+#include <gui/SurfaceComposerClient.h>
+#include <hardware/hwcomposer_defs.h>
+#include <private/gui/ComposerService.h>
+
+#include <ui/DisplayInfo.h>
+
+#include "BufferGenerator.h"
+#include "utils/ScreenshotUtils.h"
+#include "utils/TransactionUtils.h"
+
+namespace android {
+
+using android::hardware::graphics::common::V1_1::BufferUsage;
+
+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);
+ }
+
+ sp<SurfaceControl> createColorLayer(const char* name, const Color& color,
+ SurfaceControl* parent = nullptr) {
+ auto colorLayer = createSurface(mClient, name, 0 /* buffer width */, 0 /* buffer height */,
+ PIXEL_FORMAT_RGBA_8888,
+ ISurfaceComposerClient::eFXSurfaceColor, parent);
+ asTransaction([&](Transaction& t) {
+ t.setColor(colorLayer, half3{color.r / 255.0f, color.g / 255.0f, color.b / 255.0f});
+ t.setAlpha(colorLayer, color.a / 255.0f);
+ });
+ return colorLayer;
+ }
+
+ 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));
+ TransactionUtils::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");
+ TransactionUtils::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;
+ TransactionUtils::fillANativeWindowBufferColor(buffer, Rect(0, 0, halfW, halfH), topLeft);
+ TransactionUtils::fillANativeWindowBufferColor(buffer, Rect(halfW, 0, bufferWidth, halfH),
+ topRight);
+ TransactionUtils::fillANativeWindowBufferColor(buffer, Rect(0, halfH, halfW, bufferHeight),
+ bottomLeft);
+ TransactionUtils::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;
+ TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, 0, halfW, halfH), topLeft);
+ TransactionUtils::fillGraphicBufferColor(buffer, Rect(halfW, 0, bufferWidth, halfH),
+ topRight);
+ TransactionUtils::fillGraphicBufferColor(buffer, Rect(0, halfH, halfW, bufferHeight),
+ bottomLeft);
+ TransactionUtils::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;
+ }
+
+ void asTransaction(const std::function<void(Transaction&)>& exec) {
+ Transaction t;
+ exec(t);
+ t.apply(true);
+ }
+
+ 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;
+};
+} // namespace android
+
+#endif