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