222 lines
8.9 KiB
C++
222 lines
8.9 KiB
C++
/*
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* Copyright 2019 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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// TODO(b/129481165): remove the #pragma below and fix conversion issues
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#pragma clang diagnostic push
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#pragma clang diagnostic ignored "-Wconversion"
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#include "RefreshRateOverlay.h"
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#include "Client.h"
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#include "Layer.h"
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#include <gui/IProducerListener.h>
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#undef LOG_TAG
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#define LOG_TAG "RefreshRateOverlay"
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namespace android {
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void RefreshRateOverlay::SevenSegmentDrawer::drawRect(const Rect& r, const half4& color,
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const sp<GraphicBuffer>& buffer,
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uint8_t* pixels) {
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for (int32_t j = r.top; j < r.bottom; j++) {
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if (j >= buffer->getHeight()) {
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break;
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}
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for (int32_t i = r.left; i < r.right; i++) {
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if (i >= buffer->getWidth()) {
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break;
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}
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uint8_t* iter = pixels + 4 * (i + (buffer->getStride() * j));
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iter[0] = uint8_t(color.r * 255);
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iter[1] = uint8_t(color.g * 255);
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iter[2] = uint8_t(color.b * 255);
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iter[3] = uint8_t(color.a * 255);
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}
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}
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}
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void RefreshRateOverlay::SevenSegmentDrawer::drawSegment(Segment segment, int left,
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const half4& color,
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const sp<GraphicBuffer>& buffer,
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uint8_t* pixels) {
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const Rect rect = [&]() {
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switch (segment) {
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case Segment::Upper:
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return Rect(left, 0, left + DIGIT_WIDTH, DIGIT_SPACE);
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case Segment::UpperLeft:
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return Rect(left, 0, left + DIGIT_SPACE, DIGIT_HEIGHT / 2);
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case Segment::UpperRight:
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return Rect(left + DIGIT_WIDTH - DIGIT_SPACE, 0, left + DIGIT_WIDTH,
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DIGIT_HEIGHT / 2);
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case Segment::Middle:
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return Rect(left, DIGIT_HEIGHT / 2 - DIGIT_SPACE / 2, left + DIGIT_WIDTH,
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DIGIT_HEIGHT / 2 + DIGIT_SPACE / 2);
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case Segment::LowerLeft:
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return Rect(left, DIGIT_HEIGHT / 2, left + DIGIT_SPACE, DIGIT_HEIGHT);
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case Segment::LowerRight:
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return Rect(left + DIGIT_WIDTH - DIGIT_SPACE, DIGIT_HEIGHT / 2, left + DIGIT_WIDTH,
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DIGIT_HEIGHT);
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case Segment::Buttom:
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return Rect(left, DIGIT_HEIGHT - DIGIT_SPACE, left + DIGIT_WIDTH, DIGIT_HEIGHT);
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}
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}();
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drawRect(rect, color, buffer, pixels);
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}
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void RefreshRateOverlay::SevenSegmentDrawer::drawDigit(int digit, int left, const half4& color,
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const sp<GraphicBuffer>& buffer,
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uint8_t* pixels) {
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if (digit < 0 || digit > 9) return;
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if (digit == 0 || digit == 2 || digit == 3 || digit == 5 || digit == 6 || digit == 7 ||
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digit == 8 || digit == 9)
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drawSegment(Segment::Upper, left, color, buffer, pixels);
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if (digit == 0 || digit == 4 || digit == 5 || digit == 6 || digit == 8 || digit == 9)
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drawSegment(Segment::UpperLeft, left, color, buffer, pixels);
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if (digit == 0 || digit == 1 || digit == 2 || digit == 3 || digit == 4 || digit == 7 ||
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digit == 8 || digit == 9)
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drawSegment(Segment::UpperRight, left, color, buffer, pixels);
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if (digit == 2 || digit == 3 || digit == 4 || digit == 5 || digit == 6 || digit == 8 ||
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digit == 9)
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drawSegment(Segment::Middle, left, color, buffer, pixels);
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if (digit == 0 || digit == 2 || digit == 6 || digit == 8)
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drawSegment(Segment::LowerLeft, left, color, buffer, pixels);
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if (digit == 0 || digit == 1 || digit == 3 || digit == 4 || digit == 5 || digit == 6 ||
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digit == 7 || digit == 8 || digit == 9)
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drawSegment(Segment::LowerRight, left, color, buffer, pixels);
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if (digit == 0 || digit == 2 || digit == 3 || digit == 5 || digit == 6 || digit == 8 ||
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digit == 9)
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drawSegment(Segment::Buttom, left, color, buffer, pixels);
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}
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sp<GraphicBuffer> RefreshRateOverlay::SevenSegmentDrawer::drawNumber(int number,
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const half4& color) {
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if (number < 0 || number > 1000) return nullptr;
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const auto hundreds = number / 100;
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const auto tens = (number / 10) % 10;
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const auto ones = number % 10;
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sp<GraphicBuffer> buffer =
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new GraphicBuffer(BUFFER_WIDTH, BUFFER_HEIGHT, HAL_PIXEL_FORMAT_RGBA_8888, 1,
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GRALLOC_USAGE_SW_WRITE_RARELY | GRALLOC_USAGE_HW_COMPOSER |
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GRALLOC_USAGE_HW_TEXTURE,
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"RefreshRateOverlayBuffer");
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uint8_t* pixels;
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buffer->lock(GRALLOC_USAGE_SW_WRITE_RARELY, reinterpret_cast<void**>(&pixels));
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// Clear buffer content
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drawRect(Rect(BUFFER_WIDTH, BUFFER_HEIGHT), half4(0), buffer, pixels);
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int left = 0;
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if (hundreds != 0) {
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drawDigit(hundreds, left, color, buffer, pixels);
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left += DIGIT_WIDTH + DIGIT_SPACE;
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}
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if (tens != 0) {
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drawDigit(tens, left, color, buffer, pixels);
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left += DIGIT_WIDTH + DIGIT_SPACE;
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}
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drawDigit(ones, left, color, buffer, pixels);
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buffer->unlock();
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return buffer;
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}
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RefreshRateOverlay::RefreshRateOverlay(SurfaceFlinger& flinger)
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: mFlinger(flinger), mClient(new Client(&mFlinger)) {
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createLayer();
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primeCache();
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}
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bool RefreshRateOverlay::createLayer() {
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const status_t ret =
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mFlinger.createLayer(String8("RefreshRateOverlay"), mClient,
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SevenSegmentDrawer::getWidth(), SevenSegmentDrawer::getHeight(),
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PIXEL_FORMAT_RGBA_8888,
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ISurfaceComposerClient::eFXSurfaceBufferState, LayerMetadata(),
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&mIBinder, &mGbp, nullptr);
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if (ret) {
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ALOGE("failed to create buffer state layer");
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return false;
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}
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Mutex::Autolock _l(mFlinger.mStateLock);
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mLayer = mClient->getLayerUser(mIBinder);
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mLayer->setFrameRate(Layer::FrameRate(0, Layer::FrameRateCompatibility::NoVote));
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// setting Layer's Z requires resorting layersSortedByZ
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ssize_t idx = mFlinger.mCurrentState.layersSortedByZ.indexOf(mLayer);
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if (mLayer->setLayer(INT32_MAX - 2) && idx >= 0) {
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mFlinger.mCurrentState.layersSortedByZ.removeAt(idx);
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mFlinger.mCurrentState.layersSortedByZ.add(mLayer);
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}
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return true;
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}
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void RefreshRateOverlay::primeCache() {
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auto& allRefreshRates = mFlinger.mRefreshRateConfigs->getAllRefreshRates();
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if (allRefreshRates.size() == 1) {
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auto fps = allRefreshRates.begin()->second->getFps();
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half4 color = {LOW_FPS_COLOR, ALPHA};
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mBufferCache.emplace(fps, SevenSegmentDrawer::drawNumber(fps, color));
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return;
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}
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std::vector<uint32_t> supportedFps;
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supportedFps.reserve(allRefreshRates.size());
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for (auto& [ignored, refreshRate] : allRefreshRates) {
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supportedFps.push_back(refreshRate->getFps());
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}
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std::sort(supportedFps.begin(), supportedFps.end());
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const auto mLowFps = supportedFps[0];
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const auto mHighFps = supportedFps[supportedFps.size() - 1];
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for (auto fps : supportedFps) {
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const auto fpsScale = float(fps - mLowFps) / (mHighFps - mLowFps);
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half4 color;
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color.r = HIGH_FPS_COLOR.r * fpsScale + LOW_FPS_COLOR.r * (1 - fpsScale);
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color.g = HIGH_FPS_COLOR.g * fpsScale + LOW_FPS_COLOR.g * (1 - fpsScale);
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color.b = HIGH_FPS_COLOR.b * fpsScale + LOW_FPS_COLOR.b * (1 - fpsScale);
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color.a = ALPHA;
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mBufferCache.emplace(fps, SevenSegmentDrawer::drawNumber(fps, color));
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}
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}
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void RefreshRateOverlay::setViewport(ui::Size viewport) {
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Rect frame(viewport.width >> 3, viewport.height >> 5);
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frame.offsetBy(viewport.width >> 5, viewport.height >> 4);
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mLayer->setFrame(frame);
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mFlinger.mTransactionFlags.fetch_or(eTransactionMask);
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}
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void RefreshRateOverlay::changeRefreshRate(const RefreshRate& refreshRate) {
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auto buffer = mBufferCache[refreshRate.getFps()];
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mLayer->setBuffer(buffer, Fence::NO_FENCE, 0, 0, {});
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mFlinger.mTransactionFlags.fetch_or(eTransactionMask);
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}
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} // namespace android
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// TODO(b/129481165): remove the #pragma below and fix conversion issues
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#pragma clang diagnostic pop // ignored "-Wconversion"
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