blob: 52fc472aa1ae85719b028f13d276de8d9d32b1a9 [file] [log] [blame]
//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Overlay.cpp:
// Implements the Overlay class.
//
#include "libANGLE/Overlay.h"
#include "common/string_utils.h"
#include "common/system_utils.h"
#include "libANGLE/Context.h"
#include "libANGLE/Overlay_font_autogen.h"
#include "libANGLE/renderer/GLImplFactory.h"
#include "libANGLE/renderer/OverlayImpl.h"
#include <numeric>
namespace gl
{
namespace
{
constexpr std::pair<const char *, WidgetId> kWidgetNames[] = {
{"FPS", WidgetId::FPS},
{"VulkanLastValidationMessage", WidgetId::VulkanLastValidationMessage},
{"VulkanValidationMessageCount", WidgetId::VulkanValidationMessageCount},
{"VulkanRenderPassCount", WidgetId::VulkanRenderPassCount},
{"VulkanSecondaryCommandBufferPoolWaste", WidgetId::VulkanSecondaryCommandBufferPoolWaste},
};
} // namespace
OverlayState::OverlayState() : mEnabledWidgetCount(0), mOverlayWidgets{} {}
OverlayState::~OverlayState() = default;
Overlay::Overlay(rx::GLImplFactory *factory)
: mLastPerSecondUpdate(0), mImplementation(factory->createOverlay(mState))
{}
Overlay::~Overlay() = default;
angle::Result Overlay::init(const Context *context)
{
initOverlayWidgets();
mLastPerSecondUpdate = angle::GetCurrentTime();
ASSERT(std::all_of(
mState.mOverlayWidgets.begin(), mState.mOverlayWidgets.end(),
[](const std::unique_ptr<overlay::Widget> &widget) { return widget.get() != nullptr; }));
enableOverlayWidgetsFromEnvironment();
return mImplementation->init(context);
}
void Overlay::destroy(const gl::Context *context)
{
ASSERT(mImplementation);
mImplementation->onDestroy(context);
}
void Overlay::enableOverlayWidgetsFromEnvironment()
{
std::vector<std::string> enabledWidgets =
angle::GetStringsFromEnvironmentVar("ANGLE_OVERLAY", ":");
for (const std::pair<const char *, WidgetId> &widgetName : kWidgetNames)
{
if (std::find(enabledWidgets.begin(), enabledWidgets.end(), widgetName.first) !=
enabledWidgets.end())
{
mState.mOverlayWidgets[widgetName.second]->enabled = true;
++mState.mEnabledWidgetCount;
}
}
}
void Overlay::onSwap() const
{
// Increment FPS counter.
getPerSecondWidget(WidgetId::FPS)->add(1);
// Update per second values every second.
double currentTime = angle::GetCurrentTime();
double timeDiff = currentTime - mLastPerSecondUpdate;
if (timeDiff >= 1.0)
{
for (const std::unique_ptr<overlay::Widget> &widget : mState.mOverlayWidgets)
{
if (widget->type == WidgetType::PerSecond)
{
overlay::PerSecond *perSecond =
reinterpret_cast<overlay::PerSecond *>(widget.get());
perSecond->lastPerSecondCount = static_cast<size_t>(perSecond->count / timeDiff);
perSecond->count = 0;
}
}
mLastPerSecondUpdate += 1.0;
}
}
DummyOverlay::DummyOverlay(rx::GLImplFactory *implFactory) {}
DummyOverlay::~DummyOverlay() = default;
} // namespace gl