mirror of
https://github.com/OpenSpace/OpenSpace.git
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285 lines
11 KiB
C++
285 lines
11 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2021 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#include <modules/base/dashboard/dashboarditemframerate.h>
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#include <openspace/documentation/documentation.h>
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#include <openspace/documentation/verifier.h>
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#include <openspace/engine/globals.h>
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#include <openspace/engine/windowdelegate.h>
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#include <ghoul/font/font.h>
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#include <ghoul/font/fontmanager.h>
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#include <ghoul/font/fontrenderer.h>
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#include <ghoul/misc/profiling.h>
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namespace {
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constexpr openspace::properties::Property::PropertyInfo FrametimeInfo = {
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"FrametimeType",
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"Type of the frame time display",
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"This value determines the units in which the frame time is displayed."
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};
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constexpr openspace::properties::Property::PropertyInfo ClearCacheInfo = {
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"ClearCache",
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"Clear Cache",
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"Clears the cache of this DashboardItemFramerate item. If the selected option "
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"does not use any caching, this trigger does not do anything."
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};
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constexpr const char* ValueDtAvg = "Average Deltatime";
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constexpr const char* ValueDtExtremes = "Deltatime extremes";
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constexpr const char* ValueDtStandardDeviation = "Deltatime standard deviation";
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constexpr const char* ValueDtCov = "Deltatime coefficient of variation";
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constexpr const char* ValueFps = "Frames per second";
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constexpr const char* ValueFpsAvg = "Average frames per second";
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constexpr const char* ValueNone = "None";
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[[ nodiscard ]] char* formatDt(std::vector<char>& buffer) {
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return fmt::format_to(
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buffer.data(),
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"Avg. Frametime: {:.2f} ms\0",
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openspace::global::windowDelegate->averageDeltaTime() * 1000.0
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);
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}
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[[ nodiscard ]] char* formatDtExtremes(std::vector<char>& buffer,
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double minFrametimeCache,
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double maxFrametimeCache)
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{
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return fmt::format_to(
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buffer.data(),
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"Last frametimes between: {:.2f} and {:.2f} ms\n"
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"Overall between: {:.2f} and {:.2f} ms\0",
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openspace::global::windowDelegate->minDeltaTime() * 1000.0,
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openspace::global::windowDelegate->maxDeltaTime() * 1000.0,
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minFrametimeCache,
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maxFrametimeCache
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);
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}
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[[ nodiscard ]] char* formatDtStandardDeviation(std::vector<char>& buffer) {
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return fmt::format_to(
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buffer.data(),
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"Frametime standard deviation : {:.2f} ms\0",
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openspace::global::windowDelegate->deltaTimeStandardDeviation() * 1000.0
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);
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}
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[[ nodiscard ]] char* formatDtCoefficientOfVariation(std::vector<char>& buffer) {
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return fmt::format_to(
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buffer.data(),
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"Frametime coefficient of variation : {:.2f} %\0",
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openspace::global::windowDelegate->deltaTimeStandardDeviation() /
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openspace::global::windowDelegate->averageDeltaTime() * 100.0
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);
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}
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[[ nodiscard ]] char* formatFps(std::vector<char>& buffer) {
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return fmt::format_to(
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buffer.data(),
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"FPS: {:3.2f}\0",
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1.0 / openspace::global::windowDelegate->deltaTime()
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);
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}
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[[ nodiscard ]] char* formatAverageFps(std::vector<char>& buffer) {
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return fmt::format_to(
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buffer.data(),
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"Avg. FPS: {:3.2f}\0",
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1.0 / openspace::global::windowDelegate->averageDeltaTime()
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);
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}
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[[ nodiscard ]] char* format(std::vector<char>& buffer,
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openspace::DashboardItemFramerate::FrametimeType frametimeType,
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double minFrametimeCache, double maxFrametimeCache)
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{
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using namespace openspace;
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switch (frametimeType) {
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case DashboardItemFramerate::FrametimeType::DtTimeAvg:
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return formatDt(buffer);
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case DashboardItemFramerate::FrametimeType::DtTimeExtremes:
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return formatDtExtremes(buffer, minFrametimeCache, maxFrametimeCache);
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case DashboardItemFramerate::FrametimeType::DtStandardDeviation:
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return formatDtStandardDeviation(buffer);
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case DashboardItemFramerate::FrametimeType::DtCoefficientOfVariation:
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return formatDtCoefficientOfVariation(buffer);
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case DashboardItemFramerate::FrametimeType::FPS:
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return formatFps(buffer);
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case DashboardItemFramerate::FrametimeType::FPSAvg:
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return formatAverageFps(buffer);
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default:
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throw ghoul::MissingCaseException();
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}
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}
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} // namespace
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namespace openspace {
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documentation::Documentation DashboardItemFramerate::Documentation() {
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using namespace documentation;
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return {
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"DashboardItem Framerate",
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"base_dashboarditem_framerate",
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{
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{
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"Type",
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new StringEqualVerifier("DashboardItemFramerate"),
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Optional::No
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},
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{
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FrametimeInfo.identifier,
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new StringInListVerifier({ ValueDtAvg, ValueDtExtremes,
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ValueDtStandardDeviation, ValueDtCov, ValueFps, ValueFpsAvg, ValueNone
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}),
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Optional::Yes,
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FrametimeInfo.description
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}
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}
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};
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}
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DashboardItemFramerate::DashboardItemFramerate(const ghoul::Dictionary& dictionary)
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: DashboardTextItem(dictionary)
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, _frametimeType(FrametimeInfo, properties::OptionProperty::DisplayType::Dropdown)
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, _clearCache(ClearCacheInfo)
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{
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documentation::testSpecificationAndThrow(
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Documentation(),
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dictionary,
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"DashboardItemFramerate"
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);
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_frametimeType.addOptions({
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{ static_cast<int>(FrametimeType::DtTimeAvg), ValueDtAvg },
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{ static_cast<int>(FrametimeType::DtTimeExtremes), ValueDtExtremes },
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{
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static_cast<int>(FrametimeType::DtStandardDeviation),
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ValueDtStandardDeviation
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},
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{
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static_cast<int>(FrametimeType::DtCoefficientOfVariation),
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ValueDtCov
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},
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{ static_cast<int>(FrametimeType::FPS), ValueFps },
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{ static_cast<int>(FrametimeType::FPSAvg), ValueFpsAvg },
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{ static_cast<int>(FrametimeType::None), ValueNone }
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});
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if (dictionary.hasKey(FrametimeInfo.identifier)) {
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const std::string& v = dictionary.value<std::string>(FrametimeInfo.identifier);
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if (v == ValueDtAvg) {
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_frametimeType = static_cast<int>(FrametimeType::DtTimeAvg);
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}
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else if (v == ValueDtExtremes) {
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_frametimeType = static_cast<int>(FrametimeType::DtTimeExtremes);
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}
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else if (v == ValueDtStandardDeviation) {
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_frametimeType =
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static_cast<int>(FrametimeType::DtStandardDeviation);
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}
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else if (v == ValueDtCov) {
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_frametimeType =
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static_cast<int>(FrametimeType::DtCoefficientOfVariation);
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}
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else if (v == ValueFps) {
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_frametimeType = static_cast<int>(FrametimeType::FPS);
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}
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else if (v == ValueFpsAvg) {
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_frametimeType = static_cast<int>(FrametimeType::FPSAvg);
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}
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else {
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_frametimeType = static_cast<int>(FrametimeType::None);
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}
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}
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else {
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_frametimeType = static_cast<int>(FrametimeType::FPSAvg);
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}
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addProperty(_frametimeType);
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_clearCache.onChange([this]() {
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_shouldClearCache = true;
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});
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addProperty(_clearCache);
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_buffer.resize(128);
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}
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void DashboardItemFramerate::render(glm::vec2& penPosition) {
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ZoneScoped
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if (_shouldClearCache) {
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_minDeltaTimeCache = 1.0;
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_maxDeltaTimeCache = -1.0;
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_shouldClearCache = false;
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}
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_minDeltaTimeCache = std::min(
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_minDeltaTimeCache,
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global::windowDelegate->minDeltaTime() * 1000.0
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);
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_maxDeltaTimeCache = std::max(
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_maxDeltaTimeCache,
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global::windowDelegate->maxDeltaTime() * 1000.0
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);
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FrametimeType frametimeType = FrametimeType(_frametimeType.value());
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std::fill(_buffer.begin(), _buffer.end(), char(0));
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char* end = format(
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_buffer,
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frametimeType,
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_minDeltaTimeCache,
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_maxDeltaTimeCache
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);
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std::string_view output = std::string_view(_buffer.data(), end - _buffer.data());
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int nLines = output.empty() ? 0 :
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static_cast<int>((std::count(output.begin(), output.end(), '\n') + 1));
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ghoul::fontrendering::FontRenderer::defaultRenderer().render(
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*_font,
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penPosition,
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output
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);
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penPosition.y -= _font->height() * static_cast<float>(nLines);
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}
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glm::vec2 DashboardItemFramerate::size() const {
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ZoneScoped
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const FrametimeType t = FrametimeType(_frametimeType.value());
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char* end = format(_buffer, t, _minDeltaTimeCache, _maxDeltaTimeCache);
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std::string_view output = std::string_view(_buffer.data(), end - _buffer.data());
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if (output.empty()) {
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return { 0.f, 0.f };
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}
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return _font->boundingBox(output);
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}
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} // namespace openspace
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