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116 lines
3.8 KiB
116 lines
3.8 KiB
4 months ago
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/*
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* Copyright 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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#include "FakeComposerClient.h"
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#include <gui/SurfaceComposerClient.h>
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#include <log/log.h>
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#include <gtest/gtest.h>
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// clang-format off
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// Note: This needs to reside in the global namespace for the GTest to use it
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inline ::std::ostream& operator<<(::std::ostream& os, const hwc_rect_t& rect) {
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return os << "(" << rect.left << ","
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<< rect.top << ","
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<< rect.right << ","
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<< rect.bottom << ")";
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}
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inline ::std::ostream& operator<<(::std::ostream& os, const hwc_frect_t& rect) {
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return os << "(" << rect.left << ","
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<< rect.top << ","
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<< rect.right << ","
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<< rect.bottom << ")";
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}
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// clang-format on
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namespace sftest {
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class RenderState;
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// clang-format off
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inline bool operator==(const hwc_rect_t& a, const hwc_rect_t& b) {
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return a.top == b.top &&
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a.left == b.left &&
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a.bottom == b.bottom &&
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a.right == b.right;
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}
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inline bool operator==(const hwc_frect_t& a, const hwc_frect_t& b) {
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return a.top == b.top &&
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a.left == b.left &&
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a.bottom == b.bottom &&
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a.right == b.right;
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}
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// clang-format on
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inline bool operator!=(const hwc_rect_t& a, const hwc_rect_t& b) {
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return !(a == b);
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}
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inline bool operator!=(const hwc_frect_t& a, const hwc_frect_t& b) {
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return !(a == b);
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}
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::testing::AssertionResult rectsAreSame(const RenderState& ref, const RenderState& val);
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::testing::AssertionResult framesAreSame(const std::vector<RenderState>& ref,
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const std::vector<RenderState>& val);
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void startSurfaceFlinger();
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void stopSurfaceFlinger();
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class FakeHwcEnvironment : public ::testing::Environment {
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public:
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virtual ~FakeHwcEnvironment() {}
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void SetUp() override;
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void TearDown() override;
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};
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/*
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* All surface state changes are supposed to happen inside a global
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* transaction. TransactionScope object at the beginning of
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* scope automates the process. The resulting scope gives a visual cue
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* on the span of the transaction as well.
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*
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* Closing the transaction is synchronous, i.e., it waits for
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* SurfaceFlinger to composite one frame. Now, the FakeComposerClient
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* is built to explicitly request vsyncs one at the time. A delayed
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* request must be made before closing the transaction or the test
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* thread stalls until SurfaceFlinger does an emergency vsync by
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* itself. TransactionScope encapsulates this vsync magic.
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*/
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class TransactionScope : public android::SurfaceComposerClient::Transaction {
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public:
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explicit TransactionScope(FakeComposerClient& composer) : Transaction(), mComposer(composer) {}
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~TransactionScope() {
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int frameCount = mComposer.getFrameCount();
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mComposer.runVSyncAfter(1ms);
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LOG_ALWAYS_FATAL_IF(android::NO_ERROR != apply());
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// Make sure that exactly one frame has been rendered.
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mComposer.waitUntilFrame(frameCount + 1);
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// LOG_ALWAYS_FATAL_IF(frameCount + 1 != mComposer.getFrameCount(),
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// "Unexpected frame advance. Delta: %d",
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// mComposer.getFrameCount() - frameCount);
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}
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FakeComposerClient& mComposer;
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};
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} // namespace sftest
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