Break up TransactionTest helpers into util directory
Bug: 140128949
Test: build, boot, SurfaceFlinger_test
Change-Id: I10d29ae47cf29979289469832e2fcd1acefbe45f
diff --git a/services/surfaceflinger/tests/utils/TransactionUtils.h b/services/surfaceflinger/tests/utils/TransactionUtils.h
new file mode 100644
index 0000000..f6b33a9
--- /dev/null
+++ b/services/surfaceflinger/tests/utils/TransactionUtils.h
@@ -0,0 +1,188 @@
+/*
+ * 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.
+ */
+
+#pragma once
+
+//#include <algorithm>
+#include <chrono>
+//#include <cinttypes>
+//#include <functional>
+//#include <limits>
+//#include <ostream>
+//#include <thread>
+#include <gtest/gtest.h>
+
+#include <android/native_window.h>
+#include <hardware/hwcomposer_defs.h>
+
+#include <binder/IPCThreadState.h>
+
+#include <gui/Surface.h>
+#include <gui/SurfaceComposerClient.h>
+
+#include <private/gui/ComposerService.h>
+
+#include <ui/GraphicBuffer.h>
+#include <ui/Rect.h>
+
+#include "ColorUtils.h"
+//#include <sys/types.h>
+//#include <unistd.h>
+
+namespace android {
+
+namespace {
+
+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;
+ }
+ }
+}
+
+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());
+ }
+}
+
+enum class RenderPath { SCREENSHOT, VIRTUAL_DISPLAY };
+
+// 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(); }
+};
+
+/** RAII Wrapper around get/seteuid */
+class UIDFaker {
+ uid_t oldId;
+
+public:
+ UIDFaker(uid_t uid) {
+ oldId = geteuid();
+ seteuid(uid);
+ }
+ ~UIDFaker() { seteuid(oldId); }
+};
+} // namespace
+} // namespace android