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Cleanup rendering subsystem

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JeremyStar™ 2024-11-25 01:47:00 +01:00
parent c89e65882c
commit 7d15c5c73d
Signed by: JeremyStarTM
GPG key ID: E366BAEF67E4704D
6 changed files with 324 additions and 748 deletions
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129
rendering/src/main/java/de/staropensource/engine/rendering/RenderingSubsystem.java
View file

@ -213,135 +213,6 @@ public final class RenderingSubsystem extends SubsystemClass {
Logger.error("Rendering error occurred: " + error);
}
// -----> APIs
/**
* Renders all windows once.
* To render all windows continuously, invoke
* {@link #runRenderLoop(Runnable)} instead.
*
* @return map of windows and their {@link Throwable}s
* @throws NotOnMainThreadException if not running on the main thread
* @since v1-alpha9
*/
public LinkedHashMap<@NotNull Window, @NotNull Throwable> renderWindows() throws NotOnMainThreadException {
// Ensure running on the main thread
if (!Miscellaneous.onMainThread())
throw new NotOnMainThreadException();
LinkedHashMap<@NotNull Window, @NotNull Throwable> throwables = new LinkedHashMap<>();
// Poll for events
glfwPollEvents();
// Update and render all windows
for (Window window : Window.getWindows()) {
if (!window.isRendering())
continue;
try {
window.updateState();
window.render();
} catch (Throwable throwable) {
Logger.error("Rendering window " + window + " failed: Threw throwable " + throwable.getClass().getName() + (throwable.getMessage() == null ? "" : ": " + throwable.getMessage()));
throwables.put(window, throwable);
}
//bgfx_frame(false);
}
return throwables;
}
/**
*
* Renders all windows continuously.
* To render all windows just once, invoke
* {@link #renderWindows()} instead.
* <p>
* Immediately returns when a {@link #renderWindows()} call fails.
*
* @param frameCode code which shall be invoked before a frame is rendered
* @return see {@link #renderWindows()} (on failure)
* @throws NotOnMainThreadException if not running on the main thread
* @since v1-alpha9
*/
public LinkedHashMap<@NotNull Window, @NotNull Throwable> runRenderLoop(@NotNull Runnable frameCode) throws NotOnMainThreadException {
// Ensure running on the main thread
if (!Miscellaneous.onMainThread())
throw new NotOnMainThreadException();
// Define variables
AtomicReference<LinkedHashMap<@NotNull Window, @NotNull Throwable>> output = new AtomicReference<>(new LinkedHashMap<>()); // runRenderLoop output
long renderTime; // Amount of time spent rendering
long sleepDuration; // Time spent sleeping the thread
LinkedList<Long> splitDeltaTime = new LinkedList<>(); // Used for calculating the delta time (render time average over one second)
long reportDuration = System.currentTimeMillis() + 1000; // Used for determining when to report frame count and delta time
double deltaTime; // Contains the average render time over one second (delta time)
// Check if delta time and frame count shall be printed to console.
// Unless this code is ran 292 billion years into the future,
// this should sufficiently disable the reporting feature.
if (!RenderingSubsystemConfiguration.getInstance().isDebugFrames())
reportDuration = Long.MAX_VALUE;
Logger.info("Entering render loop");
// Run while the 'output' is empty
while (output.get().isEmpty()) {
renderTime = Miscellaneous.measureExecutionTime(() -> {
output.set(renderWindows());
frameCode.run();
});
if (RenderingSubsystemConfiguration.getInstance().getVsyncMode() != VsyncMode.OFF)
// V-Sync is enabled, no need for manual busy waiting
sleepDuration = 0L;
else
// Calculate amount of time the thread should spend sleeping
sleepDuration = (long) (1d / RenderingSubsystemConfiguration.getInstance().getMaximumFramesPerSecond() * 1000d) - renderTime;
// Add render and sleep time to list used for calculating the delta time value
splitDeltaTime.add(renderTime + sleepDuration);
// Busy wait unless V-Sync is enabled
if (RenderingSubsystemConfiguration.getInstance().getVsyncMode() == VsyncMode.OFF && RenderingSubsystemConfiguration.getInstance().getMaximumFramesPerSecond() >= 1) {
sleepDuration += System.currentTimeMillis();
while (System.currentTimeMillis() < sleepDuration)
Thread.onSpinWait();
}
// Calculate delta time and frame count every second
if (System.currentTimeMillis() >= reportDuration) {
deltaTime = NumberUtil.calculateMeanLong(splitDeltaTime); // Calculate delta time
Logger.diag("Delta time average: " + deltaTime + " | Frames/s: " + 1000 / deltaTime); // Print delta time and frame count to console
if (RenderingSubsystemConfiguration.getInstance().isDebugWindowStates())
for (Window window : Window.getWindows())
Logger.diag(
"Window state for " + window.getUniqueIdentifier() + "\n" +
"-> Terminated: " + window.isTerminated() + "\n" +
"-> Name: " + window.getName() + "\n" +
"-> Title: " + window.getTitle() + "\n" +
"-> Size: " + window.getSize() + "\n" +
" -> Minimum: " + window.getMinimumSize() + "\n" +
" -> Maximum: " + window.getMaximumSize() + "\n" +
"-> Position: " + window.getPosition() + "\n" +
"-> Mode: " + window.getMode() + "\n" +
"-> Monitor: " + window.getMonitor() + "\n" +
"-> Resizable: " + window.isResizable() + "\n" +
"-> Borderless: " + window.isBorderless() + "\n" +
"-> Focusable: " + window.isFocusable() + "\n" +
"-> On top: " + window.isOnTop() + "\n" +
"-> Transparent: " + window.isTransparent() + "\n" +
"-> Rendering: " + window.isRendering()
);
reportDuration = System.currentTimeMillis() + 1000; // Update 'reportDuration'
splitDeltaTime.clear(); // Clear 'splitDeltaTime' list
}
}
return output.get();
}
// -----> Utility methods
/**

6
rendering/src/main/java/de/staropensource/engine/rendering/RenderingSubsystemConfiguration.java
View file

@ -329,7 +329,7 @@ public final class RenderingSubsystemConfiguration extends Configuration {
debugInput = false;
debugFrames = true;
debugWindowStates = true;
debugAllowPositionUpdates = true;
debugAllowPositionUpdates = false;
initialPlatform = RenderingPlatform.ANY;
initialDisableLibdecor = false;
@ -337,8 +337,8 @@ public final class RenderingSubsystemConfiguration extends Configuration {
errorRenderingFailures = true;
renderingAdapter = RenderingAdapter.ANY;
vsyncMode = VsyncMode.ON;
maximumFramesPerSecond = 60;
vsyncMode = VsyncMode.OFF;
maximumFramesPerSecond = 0;
}
/** {@inheritDoc} */

51
rendering/src/main/java/de/staropensource/engine/rendering/renderer/Renderer.java
View file

@ -25,7 +25,6 @@ import de.staropensource.engine.base.utility.misc.NumberUtil;
import de.staropensource.engine.rendering.RenderingSubsystemConfiguration;
import de.staropensource.engine.rendering.exception.NotOnMainThreadException;
import de.staropensource.engine.rendering.type.FrameHandler;
import de.staropensource.engine.rendering.type.Monitor;
import de.staropensource.engine.rendering.type.Window;
import de.staropensource.engine.rendering.type.window.VsyncMode;
import lombok.Getter;
@ -175,7 +174,7 @@ public final class Renderer {
@Override
public void run() {
bgfx_set_view_clear(0, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x000000, 1.0f, 0);
bgfx_set_view_clear(0, BGFX_CLEAR_COLOR | BGFX_CLEAR_DEPTH, 0x00000000, 1.0f, 0);
}
});
addFrameHandler(new FrameHandler() {
@ -290,7 +289,19 @@ public final class Renderer {
glfwPollEvents();
// Reset backbuffer
bgfx_reset(Window.getWindows().getFirst().getSize().getX(), Window.getWindows().getFirst().getSize().getY(), RenderingSubsystemConfiguration.getInstance().getVsyncMode() == VsyncMode.ON ? BGFX_RESET_VSYNC : BGFX_RESET_NONE, BGFX_TEXTURE_FORMAT_RGBA4);
int resetSettings = 0;
if (RenderingSubsystemConfiguration.getInstance().getVsyncMode() == VsyncMode.ON)
resetSettings |= BGFX_RESET_TRANSPARENT_BACKBUFFER;
for (Window window : Window.getWindows())
if (window.isTransparent())
resetSettings |= BGFX_RESET_TRANSPARENT_BACKBUFFER;
bgfx_reset(
Window.getWindows().getFirst().getSize().getX(),
Window.getWindows().getFirst().getSize().getY(),
resetSettings,
BGFX_TEXTURE_FORMAT_RGBA4
);
// Render all windows
for (Window window : Window.getWindows())
@ -306,25 +317,20 @@ public final class Renderer {
// Determine time to wait for the next frame
execTimes.put("Waiting", 0L);
switch (RenderingSubsystemConfiguration.getInstance().getVsyncMode()) {
case OFF -> execTimes.replace("Waiting", (long) (1d / RenderingSubsystemConfiguration.getInstance().getMaximumFramesPerSecond() * 1000d));
case ON -> {
for (Monitor monitor : Monitor.getMonitors())
if (monitor.getRefreshRate() > execTimes.get("Waiting"))
execTimes.replace("Waiting", (long) monitor.getRefreshRate());
if (RenderingSubsystemConfiguration.getInstance().getVsyncMode() == VsyncMode.OFF && RenderingSubsystemConfiguration.getInstance().getMaximumFramesPerSecond() > 0) {
execTimes.replace("Waiting", (long) (1d / RenderingSubsystemConfiguration.getInstance().getMaximumFramesPerSecond() * 1000d));
for (String time : execTimes.keySet())
if (!time.equals("Waiting"))
execTimes.replace("Waiting", execTimes.get("Waiting") - execTimes.get(time));
// Wait until next frame
if (execTimes.get("Waiting") > 0) {
timesWait = execTimes.get("Waiting") + System.currentTimeMillis();
while (System.currentTimeMillis() < timesWait)
Thread.onSpinWait();
}
default -> {}
}
for (String time : execTimes.keySet())
if (!time.equals("Waiting"))
execTimes.replace("Waiting", execTimes.get("Waiting") - execTimes.get(time));
// Wait until next frame
if (execTimes.get("Waiting") > 0) {
timesWait = execTimes.get("Waiting") + System.currentTimeMillis();
while (System.currentTimeMillis() < timesWait)
Thread.onSpinWait();
}
@ -358,10 +364,9 @@ public final class Renderer {
" -> Maximum: " + window.getMaximumSize() + "\n" +
"-> Position: " + window.getPosition() + "\n" +
"-> Mode: " + window.getMode() + "\n" +
"-> Monitor: " + window.getMonitor() + "\n" +
"-> Resizable: " + window.isResizable() + "\n" +
"-> Borderless: " + window.isBorderless() + "\n" +
"-> Focusable: " + window.isFocusable() + "\n" +
"-> Focused: " + window.isFocused() + "\n" +
"-> On top: " + window.isOnTop() + "\n" +
"-> Transparent: " + window.isTransparent() + "\n" +
"-> Rendering: " + window.isRendering()

172
rendering/src/main/java/de/staropensource/engine/rendering/type/Monitor.java
View file

@ -1,172 +0,0 @@
/*
* STAROPENSOURCE ENGINE SOURCE FILE
* Copyright (c) 2024 The StarOpenSource Engine Authors
* Licensed under the GNU Affero General Public License v3
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package de.staropensource.engine.rendering.type;
import de.staropensource.engine.base.type.vector.Vec2i;
import de.staropensource.engine.rendering.exception.InvalidMonitorException;
import de.staropensource.engine.rendering.exception.NoMonitorsFoundException;
import lombok.Getter;
import org.jetbrains.annotations.NotNull;
import org.lwjgl.PointerBuffer;
import org.lwjgl.glfw.GLFWVidMode;
import java.util.LinkedHashSet;
import java.util.Objects;
import java.util.UUID;
import static org.lwjgl.glfw.GLFW.*;
/**
* Abstract class for implementing monitors in a windowing API.
* <p>
* Note that monitors stop working unannounced when disconnected,
* call {@link #isConnected()} before using to avoid unexpected behaviour.
*
* @since v1-alpha9
*/
@SuppressWarnings({ "JavadocDeclaration" })
public final class Monitor {
/**
* Contains the unique identifier.
* <p>
* This identifier is unique to every monitor and does not change during runtime.
*
* @since v1-alpha9
* -- GETTER --
* Returns the unique identifier.
* <p>
* This identifier is unique to every monitor and does not change during runtime.
*
* @return unique identifier
* @since v1-alpha9
*/
@Getter
private final UUID uniqueIdentifier = UUID.randomUUID();
/**
* Contains the monitor identifier.
* <p>
* This identifier is used by the windowing API to refer to a monitor and may change during runtime.
*
* @since v1-alpha9
* -- GETTER --
* Returns the monitor identifier.
* <p>
* This identifier is used by the windowing API to refer to a monitor and may change during runtime.
*
* @return monitor identifier
* @since v1-alpha9
* -- SETTER --
* Sets the monitor identifier.
* <p>
* This identifier is used by the windowing API to refer to a monitor and may change during runtime.
*
* @param identifier new monitor identifier
* @since v1-alpha9
*/
private final long identifier;
/**
* Creates and initializes an instance of this abstract class.
*
* @throws InvalidMonitorException if the monitor isn't connected
* @since v1-alpha9
*/
public Monitor(long identifier) throws InvalidMonitorException {
this.identifier = identifier;
checkConnected();
}
/**
* Returns a set of all connected monitors.
*
* @return connected monitors
* @since v1-alpha9
*/
public static @NotNull LinkedHashSet<@NotNull Monitor> getMonitors() throws NoMonitorsFoundException {
PointerBuffer monitors = glfwGetMonitors();
LinkedHashSet<@NotNull Monitor> output = new LinkedHashSet<>();
if (monitors == null)
throw new NoMonitorsFoundException();
while (monitors.hasRemaining())
output.add(new Monitor(monitors.get()));
return output;
}
/**
* Checks if this monitor is actually connected.
* If not, throws an {@link InvalidMonitorException}.
*
* @since v1-alpha9
*/
public void checkConnected() throws InvalidMonitorException, NoMonitorsFoundException {
if (!isConnected())
throw new InvalidMonitorException();
}
/**
* Checks if this monitor is connected.
*
* @return connection status
* @since v1-alpha9
*/
public boolean isConnected() throws NoMonitorsFoundException {
return glfwGetMonitorName(identifier) != null;
}
/**
* Returns the name of this monitor.
*
* @return monitor name
* @since v1-alpha9
*/
public @NotNull String getName() throws InvalidMonitorException, NoMonitorsFoundException {
checkConnected();
return Objects.requireNonNull(glfwGetMonitorName(identifier));
}
/**
* Returns size of this monitor.
*
* @return monitor size
* @since v1-alpha9
*/
public @NotNull Vec2i getSize() throws InvalidMonitorException, NoMonitorsFoundException {
checkConnected();
GLFWVidMode videoMode = Objects.requireNonNull(glfwGetVideoMode(identifier));
return new Vec2i(videoMode.width(), videoMode.height());
}
/**
* Returns refresh rate of this monitor in hertz.
*
* @return monitor refresh rate
* @since v1-alpha9
*/
public short getRefreshRate() throws InvalidMonitorException, NoMonitorsFoundException {
checkConnected();
return (short) Objects.requireNonNull(glfwGetVideoMode(identifier)).refreshRate();
}
}

707
rendering/src/main/java/de/staropensource/engine/rendering/type/Window.java
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7
rendering/src/main/java/de/staropensource/engine/rendering/type/window/VsyncMode.java
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@ -42,10 +42,5 @@ public enum VsyncMode {
*
* @since v1-alpha9
*/
ON,
/**
* Party
*/
PARTY
ON
}