Significantly simplify DisplayDevice

This commit is contained in:
UnknownShadow200 2017-08-07 13:04:29 +10:00
parent e24ef9e4e6
commit a968a137a1
10 changed files with 650 additions and 834 deletions

View File

@ -20,40 +20,32 @@ namespace OpenTK {
// TODO: Add properties that describe the 'usable' size of the Display, i.e. the maximized size without the taskbar etc.
// TODO: Does not detect changes to primary device.
DisplayResolution current_resolution = new DisplayResolution(), original_resolution;
List<DisplayResolution> available_resolutions = new List<DisplayResolution>();
IList<DisplayResolution> available_resolutions_readonly;
DisplayResolution current_resolution = new DisplayResolution();
bool primary;
Rectangle bounds;
static readonly List<DisplayDevice> available_displays = new List<DisplayDevice>();
static readonly IList<DisplayDevice> available_displays_readonly;
static DisplayDevice primary_display;
static Platform.IDisplayDeviceDriver implementation;
static DisplayDevice() {
implementation = Platform.Factory.Default.CreateDisplayDeviceDriver();
available_displays_readonly = available_displays.AsReadOnly();
}
internal DisplayDevice() {
available_displays.Add(this);
available_resolutions_readonly = available_resolutions.AsReadOnly();
}
internal DisplayDevice() { AvailableDisplays.Add(this); }
internal DisplayDevice(DisplayResolution currentResolution, bool primary,
IEnumerable<DisplayResolution> availableResolutions, Rectangle bounds) : this() {
IEnumerable<DisplayResolution> resolutions, Rectangle bounds) : this() {
#warning "Consolidate current resolution with bounds? Can they fall out of sync right now?"
this.current_resolution = currentResolution;
IsPrimary = primary;
this.available_resolutions.AddRange(availableResolutions);
AvailableResolutions.AddRange(resolutions);
this.bounds = bounds == Rectangle.Empty ? currentResolution.Bounds : bounds;
Debug.Print("DisplayDevice {0} ({1}) supports {2} resolutions.",
available_displays.Count, primary ? "primary" : "secondary", available_resolutions.Count);
AvailableDisplays.Count, primary ? "primary" : "secondary", AvailableResolutions.Count);
}
/// <summary> Gets the bounds of this instance in pixel coordinates. </summary>
/// <summary> Returns bounds of this instance in pixel coordinates. </summary>
public Rectangle Bounds {
get { return bounds; }
internal set {
@ -63,25 +55,25 @@ namespace OpenTK {
}
}
/// <summary>Gets a System.Int32 that contains the width of this display in pixels.</summary>
/// <summary> Returns width of this display in pixels. </summary>
public int Width { get { return current_resolution.Width; } }
/// <summary>Gets a System.Int32 that contains the height of this display in pixels.</summary>
/// <summary> Returns height of this display in pixels. </summary>
public int Height { get { return current_resolution.Height; } }
/// <summary>Gets a System.Int32 that contains number of bits per pixel of this display. Typical values include 8, 16, 24 and 32.</summary>
/// <summary> Returns number of bits per pixel of this display. Typical values include 8, 16, 24 and 32. </summary>
public int BitsPerPixel {
get { return current_resolution.BitsPerPixel; }
internal set { current_resolution.BitsPerPixel = value; }
}
/// <summary> Gets a System.Single representing the vertical refresh rate of this display. </summary>
/// <summary> Returns vertical refresh rate of this display. </summary>
public float RefreshRate {
get { return current_resolution.RefreshRate; }
internal set { current_resolution.RefreshRate = value; }
}
/// <summary>Gets a System.Boolean that indicates whether this Display is the primary Display in systems with multiple Displays.</summary>
/// <summary> Returns whether this Display is the primary Display in systems with multiple Displays.</summary>
public bool IsPrimary {
get { return primary; }
internal set {
@ -93,108 +85,24 @@ namespace OpenTK {
primary_display = this;
}
}
/// <summary> Data unique to this Display. </summary>
public object Metadata;
/// <summary> Selects an available resolution that matches the specified parameters. </summary>
/// <param name="width">The width of the requested resolution in pixels.</param>
/// <param name="height">The height of the requested resolution in pixels.</param>
/// <param name="bitsPerPixel">The bits per pixel of the requested resolution.</param>
/// <param name="refreshRate">The refresh rate of the requested resolution in hertz.</param>
/// <returns>The requested DisplayResolution or null if the parameters cannot be met.</returns>
/// <remarks> <para>If a matching resolution is not found, this function will retry ignoring the specified refresh rate,
/// bits per pixel and resolution, in this order. If a matching resolution still doesn't exist, this function will
/// return the current resolution.</para>
/// <para>A parameter set to 0 or negative numbers will not be used in the search (e.g. if refreshRate is 0,
/// any refresh rate will be considered valid).</para>
/// <para>This function allocates memory.</para> </remarks>
public DisplayResolution SelectResolution(int width, int height, int bitsPerPixel, float refreshRate) {
DisplayResolution resolution = FindResolution(width, height, bitsPerPixel, refreshRate);
if (resolution == null)
resolution = FindResolution(width, height, bitsPerPixel, 0);
if (resolution == null)
resolution = FindResolution(width, height, 0, 0);
if (resolution == null)
return current_resolution;
return resolution;
}
/// <summary> The list of <see cref="DisplayResolution"/> objects available on this device. </summary>
public List<DisplayResolution> AvailableResolutions = new List<DisplayResolution>();
/// <summary> Gets the list of <see cref="DisplayResolution"/> objects available on this device. </summary>
public IList<DisplayResolution> AvailableResolutions {
get { return available_resolutions_readonly; }
internal set
{
available_resolutions = (List<DisplayResolution>)value;
available_resolutions_readonly = available_resolutions.AsReadOnly();
}
}
/// <summary>Changes the resolution of the DisplayDevice.</summary>
/// <param name="resolution">The resolution to set. <see cref="DisplayDevice.SelectResolution"/></param>
/// <exception cref="Graphics.GraphicsModeException">Thrown if the requested resolution could not be set.</exception>
/// <remarks>If the specified resolution is null, this function will restore the original DisplayResolution.</remarks>
public void ChangeResolution(DisplayResolution resolution) {
if (resolution == null)
this.RestoreResolution();
if (resolution == current_resolution)
return;
if (implementation.TryChangeResolution(this, resolution)) {
if (original_resolution == null)
original_resolution = current_resolution;
current_resolution = resolution;
} else
throw new Graphics.GraphicsModeException(String.Format("Device {0}: Failed to change resolution to {1}.",
this, resolution));
}
/// <summary>Changes the resolution of the DisplayDevice.</summary>
/// <param name="width">The new width of the DisplayDevice.</param>
/// <param name="height">The new height of the DisplayDevice.</param>
/// <param name="bitsPerPixel">The new bits per pixel of the DisplayDevice.</param>
/// <param name="refreshRate">The new refresh rate of the DisplayDevice.</param>
/// <exception cref="Graphics.GraphicsModeException">Thrown if the requested resolution could not be set.</exception>
public void ChangeResolution(int width, int height, int bitsPerPixel, float refreshRate) {
this.ChangeResolution(this.SelectResolution(width, height, bitsPerPixel, refreshRate));
}
/// <summary>Restores the original resolution of the DisplayDevice.</summary>
/// <exception cref="Graphics.GraphicsModeException">Thrown if the original resolution could not be restored.</exception>
public void RestoreResolution() {
if (original_resolution != null) {
if (implementation.TryRestoreResolution(this)) {
current_resolution = original_resolution;
original_resolution = null;
} else
throw new Graphics.GraphicsModeException(String.Format("Device {0}: Failed to restore resolution.", this));
}
}
/// <summary> Gets the list of available <see cref="DisplayDevice"/> objects. </summary>
public static IList<DisplayDevice> AvailableDisplays {
get { return available_displays_readonly; }
}
/// <summary> The list of available <see cref="DisplayDevice"/> objects. </summary>
public static List<DisplayDevice> AvailableDisplays = new List<DisplayDevice>();
/// <summary>Gets the default (primary) display of this system.</summary>
public static DisplayDevice Default { get { return primary_display; } }
DisplayResolution FindResolution(int width, int height, int bitsPerPixel, float refreshRate) {
for (int i = 0; i < available_resolutions.Count; i++) {
DisplayResolution res = available_resolutions[i];
bool match = ((width > 0 && width == res.Width) || width == 0) &&
((height > 0 && height == res.Height) || height == 0) &&
((bitsPerPixel > 0 && bitsPerPixel == res.BitsPerPixel) || bitsPerPixel == 0) &&
((refreshRate > 0 && System.Math.Abs(refreshRate - res.RefreshRate) < 1.0) || refreshRate == 0);
if (match) return res;
}
return null;
}
/// <summary> Returns a System.String representing this DisplayDevice. </summary>
/// <returns>A System.String representing this DisplayDevice.</returns>
public override string ToString() {
return String.Format("{0}: {1} ({2} modes available)", IsPrimary ? "Primary" : "Secondary",
Bounds.ToString(), available_resolutions.Count);
Bounds.ToString(), AvailableResolutions.Count);
}
}
}

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@ -37,6 +37,8 @@ using OpenTK.Platform;
namespace OpenTK
{
public enum GameWindowFlags { Default = 0 };
/// <summary>
/// The GameWindow class contains cross-platform methods to create and render on an OpenGL
/// window, handle input and load resources.

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@ -1,41 +0,0 @@
#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2009 the Open Toolkit library.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do
// so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
//
#endregion
using System;
namespace OpenTK {
/// <summary> Defines bitwise combianations of GameWindow construction options. </summary>
[Flags]
public enum GameWindowFlags {
/// <summary> Indicates default construction options. </summary>
Default = 0,
/// <summary> Indicates that the GameWindow should cover the whole screen. </summary>
Fullscreen = 1,
}
}

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@ -86,11 +86,6 @@ namespace OpenTK {
this.device = device;
implementation = Factory.Default.CreateNativeWindow(x, y, width, height, title, mode, options, this.device);
if ((options & GameWindowFlags.Fullscreen) != 0) {
this.device.ChangeResolution(width, height, mode.ColorFormat.BitsPerPixel, 0);
WindowState = WindowState.Fullscreen;
}
}
/// <summary> Closes the NativeWindow. </summary>
@ -271,10 +266,6 @@ namespace OpenTK {
/// <summary> Releases all non-managed resources belonging to this NativeWindow. </summary>
public virtual void Dispose() {
if (!IsDisposed) {
if ((options & GameWindowFlags.Fullscreen) != 0) {
//if (WindowState == WindowState.Fullscreen) WindowState = WindowState.Normal; // TODO: Revise.
device.RestoreResolution();
}
implementation.Dispose();
GC.SuppressFinalize(this);
IsDisposed = true;

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@ -1,160 +1,159 @@
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@ -1,18 +1,15 @@
#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK team.
* This notice may not be removed.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
namespace OpenTK.Platform
{
internal interface IDisplayDeviceDriver
{
bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution);
bool TryRestoreResolution(DisplayDevice device);
}
}
#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK team.
* This notice may not be removed.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
namespace OpenTK.Platform
{
internal interface IDisplayDeviceDriver {
}
}

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@ -1,155 +1,90 @@
using System;
using System.Collections.Generic;
using System.Drawing;
using OpenTK.Platform.MacOS.Carbon;
namespace OpenTK.Platform.MacOS
{
class QuartzDisplayDeviceDriver : IDisplayDeviceDriver
{
static Dictionary<DisplayDevice, IntPtr> displayMap =
new Dictionary<DisplayDevice, IntPtr>();
static IntPtr mainDisplay;
internal static IntPtr MainDisplay { get { return mainDisplay; } }
unsafe static QuartzDisplayDeviceDriver() {
// To minimize the need to add static methods to OpenTK.Graphics.DisplayDevice
// we only allow settings to be set through its constructor.
// Thus, we save all necessary parameters in temporary variables
// and construct the device when every needed detail is available.
// The main DisplayDevice constructor adds the newly constructed device
// to the list of available devices.
const int maxDisplayCount = 20;
IntPtr[] displays = new IntPtr[maxDisplayCount];
int displayCount;
fixed(IntPtr* displayPtr = displays) {
CG.CGGetActiveDisplayList(maxDisplayCount, displayPtr, out displayCount);
}
Debug.Print("CoreGraphics reported {0} display(s).", displayCount);
for (int i = 0; i < displayCount; i++) {
IntPtr curDisplay = displays[i];
// according to docs, first element in the array is always the main display.
bool primary = (i == 0);
if (primary)
mainDisplay = curDisplay;
// gets current settings
int currentWidth = CG.CGDisplayPixelsWide(curDisplay);
int currentHeight = CG.CGDisplayPixelsHigh(curDisplay);
Debug.Print("Display {0} is at {1}x{2}", i, currentWidth, currentHeight);
IntPtr displayModesPtr = CG.CGDisplayAvailableModes(curDisplay);
CFArray displayModes = new CFArray(displayModesPtr);
Debug.Print("Supports {0} display modes.", displayModes.Count);
DisplayResolution opentk_dev_current_res = null;
List<DisplayResolution> opentk_dev_available_res = new List<DisplayResolution>();
IntPtr currentModePtr = CG.CGDisplayCurrentMode(curDisplay);
CFDictionary currentMode = new CFDictionary(currentModePtr);
for (int j = 0; j < displayModes.Count; j++)
{
CFDictionary dict = new CFDictionary(displayModes[j]);
int width = (int) dict.GetNumberValue("Width");
int height = (int) dict.GetNumberValue("Height");
int bpp = (int) dict.GetNumberValue("BitsPerPixel");
double freq = dict.GetNumberValue("RefreshRate");
bool current = currentMode.DictRef == dict.DictRef;
//if (current) Debug.Write(" * ");
//else Debug.Write(" ");
//Debug.Print("Mode {0} is {1}x{2}x{3} @ {4}.", j, width, height, bpp, freq);
DisplayResolution thisRes = new DisplayResolution(0, 0, width, height, bpp, (float)freq);
opentk_dev_available_res.Add(thisRes);
if (current)
opentk_dev_current_res = thisRes;
}
HIRect bounds = CG.CGDisplayBounds(curDisplay);
Rectangle newRect = new Rectangle(
(int)bounds.Origin.X, (int)bounds.Origin.Y, (int)bounds.Size.X, (int)bounds.Size.Y);
Debug.Print("Display {0} bounds: {1}", i, newRect);
DisplayDevice opentk_dev =
new DisplayDevice(opentk_dev_current_res, primary, opentk_dev_available_res, newRect);
displayMap.Add(opentk_dev, curDisplay);
}
}
internal static IntPtr HandleTo(DisplayDevice displayDevice) {
if (displayMap.ContainsKey(displayDevice))
return displayMap[displayDevice];
else
return IntPtr.Zero;
}
#region IDisplayDeviceDriver Members
Dictionary<IntPtr, IntPtr> storedModes = new Dictionary<IntPtr, IntPtr>();
List<IntPtr> displaysCaptured = new List<IntPtr>();
public bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution)
{
IntPtr display = displayMap[device];
IntPtr currentModePtr = CG.CGDisplayCurrentMode(display);
if (!storedModes.ContainsKey(display)) {
storedModes.Add(display, currentModePtr);
}
IntPtr displayModesPtr = CG.CGDisplayAvailableModes(display);
CFArray displayModes = new CFArray(displayModesPtr);
for (int j = 0; j < displayModes.Count; j++) {
CFDictionary dict = new CFDictionary(displayModes[j]);
int width = (int)dict.GetNumberValue("Width");
int height = (int)dict.GetNumberValue("Height");
int bpp = (int)dict.GetNumberValue("BitsPerPixel");
double freq = dict.GetNumberValue("RefreshRate");
if (width == resolution.Width && height == resolution.Height &&
bpp == resolution.BitsPerPixel && Math.Abs(freq - resolution.RefreshRate) < 1e-6) {
if (!displaysCaptured.Contains(display)) {
CG.CGDisplayCapture(display);
}
Debug.Print("Changing resolution to {0}x{1}x{2}@{3}.", width, height, bpp, freq);
CG.CGDisplaySwitchToMode(display, displayModes[j]);
return true;
}
}
return false;
}
public bool TryRestoreResolution(DisplayDevice device) {
IntPtr display = displayMap[device];
if (storedModes.ContainsKey(display)) {
Debug.Print("Restoring resolution.");
CG.CGDisplaySwitchToMode(display, storedModes[display]);
CG.CGDisplayRelease(display);
displaysCaptured.Remove(display);
return true;
}
return false;
}
#endregion
}
}
using System;
using System.Collections.Generic;
using System.Drawing;
using OpenTK.Platform.MacOS.Carbon;
namespace OpenTK.Platform.MacOS
{
class QuartzDisplayDeviceDriver : IDisplayDeviceDriver
{
static IntPtr mainDisplay;
internal static IntPtr MainDisplay { get { return mainDisplay; } }
unsafe static QuartzDisplayDeviceDriver() {
// To minimize the need to add static methods to OpenTK.Graphics.DisplayDevice
// we only allow settings to be set through its constructor.
// Thus, we save all necessary parameters in temporary variables
// and construct the device when every needed detail is available.
// The main DisplayDevice constructor adds the newly constructed device
// to the list of available devices.
const int maxDisplayCount = 20;
IntPtr[] displays = new IntPtr[maxDisplayCount];
int displayCount;
fixed(IntPtr* displayPtr = displays) {
CG.CGGetActiveDisplayList(maxDisplayCount, displayPtr, out displayCount);
}
Debug.Print("CoreGraphics reported {0} display(s).", displayCount);
for (int i = 0; i < displayCount; i++) {
IntPtr curDisplay = displays[i];
// according to docs, first element in the array is always the main display.
bool primary = (i == 0);
if (primary)
mainDisplay = curDisplay;
// gets current settings
int currentWidth = CG.CGDisplayPixelsWide(curDisplay);
int currentHeight = CG.CGDisplayPixelsHigh(curDisplay);
Debug.Print("Display {0} is at {1}x{2}", i, currentWidth, currentHeight);
IntPtr displayModesPtr = CG.CGDisplayAvailableModes(curDisplay);
CFArray displayModes = new CFArray(displayModesPtr);
Debug.Print("Supports {0} display modes.", displayModes.Count);
DisplayResolution opentk_dev_current_res = null;
List<DisplayResolution> opentk_dev_available_res = new List<DisplayResolution>();
IntPtr currentModePtr = CG.CGDisplayCurrentMode(curDisplay);
CFDictionary currentMode = new CFDictionary(currentModePtr);
for (int j = 0; j < displayModes.Count; j++)
{
CFDictionary dict = new CFDictionary(displayModes[j]);
int width = (int) dict.GetNumberValue("Width");
int height = (int) dict.GetNumberValue("Height");
int bpp = (int) dict.GetNumberValue("BitsPerPixel");
double freq = dict.GetNumberValue("RefreshRate");
bool current = currentMode.DictRef == dict.DictRef;
//if (current) Debug.Write(" * ");
//else Debug.Write(" ");
//Debug.Print("Mode {0} is {1}x{2}x{3} @ {4}.", j, width, height, bpp, freq);
DisplayResolution thisRes = new DisplayResolution(0, 0, width, height, bpp, (float)freq);
opentk_dev_available_res.Add(thisRes);
if (current)
opentk_dev_current_res = thisRes;
}
HIRect bounds = CG.CGDisplayBounds(curDisplay);
Rectangle newRect = new Rectangle(
(int)bounds.Origin.X, (int)bounds.Origin.Y, (int)bounds.Size.X, (int)bounds.Size.Y);
Debug.Print("Display {0} bounds: {1}", i, newRect);
DisplayDevice opentk_dev =
new DisplayDevice(opentk_dev_current_res, primary, opentk_dev_available_res, newRect);
opentk_dev.Metadata = curDisplay;
}
}
internal static IntPtr HandleTo(DisplayDevice device) {
if (device == null || device.Metadata == null) return IntPtr.Zero;
return (IntPtr)device.Metadata;
}
}
}

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@ -1,101 +1,75 @@
#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK team.
* This notice may not be removed.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
namespace OpenTK.Platform.Windows {
internal class WinDisplayDeviceDriver : IDisplayDeviceDriver {
static Dictionary<DisplayDevice, string> available_device_names =
new Dictionary<DisplayDevice, string>(); // Needed for ChangeDisplaySettingsEx
/// <summary>Queries available display devices and display resolutions.</summary>
static WinDisplayDeviceDriver() {
// To minimize the need to add static methods to OpenTK.Graphics.DisplayDevice
// we only allow settings to be set through its constructor.
// Thus, we save all necessary parameters in temporary variables
// and construct the device when every needed detail is available.
// The main DisplayDevice constructor adds the newly constructed device
// to the list of available devices.
DisplayResolution currentRes = null;
List<DisplayResolution> availableRes = new List<DisplayResolution>();
bool devPrimary = false;
int deviceNum = 0;
// Get available video adapters and enumerate all monitors
WindowsDisplayDevice winDev = new WindowsDisplayDevice();
while (API.EnumDisplayDevices(null, deviceNum++, winDev, 0)) {
if ((winDev.StateFlags & DisplayDeviceStateFlags.AttachedToDesktop) == 0)
continue;
DeviceMode mode = new DeviceMode();
// The second function should only be executed when the first one fails (e.g. when the monitor is disabled)
if (API.EnumDisplaySettings(winDev.DeviceName, (int)DisplayModeSettings.Current, mode) ||
API.EnumDisplaySettings(winDev.DeviceName, (int)DisplayModeSettings.Registry, mode)) {
if (mode.BitsPerPel > 0) {
currentRes = new DisplayResolution(
mode.Position.X, mode.Position.Y,
mode.PelsWidth, mode.PelsHeight,
mode.BitsPerPel, mode.DisplayFrequency);
devPrimary = (winDev.StateFlags & DisplayDeviceStateFlags.PrimaryDevice) != 0;
}
}
availableRes.Clear();
int i = 0;
while (API.EnumDisplaySettings(winDev.DeviceName, i++, mode)) {
// For example, the device \.\DISPLAYV1 returns a single resolution with bits per pixel of 0
// We must skip these resolutions
if (mode.BitsPerPel <= 0) continue;
availableRes.Add(new DisplayResolution(
mode.Position.X, mode.Position.Y,
mode.PelsWidth, mode.PelsHeight,
mode.BitsPerPel, mode.DisplayFrequency));
}
// This device has no valid resolutions, ignore it
if (availableRes.Count == 0 || currentRes == null) continue;
// Construct the OpenTK DisplayDevice through the accumulated parameters.
// The constructor automatically adds the DisplayDevice to the list of available devices.
DisplayDevice device = new DisplayDevice(currentRes, devPrimary, availableRes, currentRes.Bounds);
available_device_names.Add(device, winDev.DeviceName);
currentRes = null;
}
}
public WinDisplayDeviceDriver() {
}
public bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution) {
DeviceMode mode = null;
if (resolution != null) {
mode = new DeviceMode();
mode.PelsWidth = resolution.Width;
mode.PelsHeight = resolution.Height;
mode.BitsPerPel = resolution.BitsPerPixel;
mode.DisplayFrequency = (int)resolution.RefreshRate;
mode.Fields = Constants.DM_BITSPERPEL | Constants.DM_PELSWIDTH
| Constants.DM_PELSHEIGHT | Constants.DM_DISPLAYFREQUENCY;
}
return Constants.DISP_CHANGE_SUCCESSFUL ==
API.ChangeDisplaySettingsEx(available_device_names[device], mode, IntPtr.Zero,
ChangeDisplaySettingsEnum.Fullscreen, IntPtr.Zero);
}
public bool TryRestoreResolution(DisplayDevice device) {
return TryChangeResolution(device, null);
}
}
}
#region --- License ---
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK team.
* This notice may not be removed.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
namespace OpenTK.Platform.Windows {
internal class WinDisplayDeviceDriver : IDisplayDeviceDriver {
/// <summary>Queries available display devices and display resolutions.</summary>
static WinDisplayDeviceDriver() {
// To minimize the need to add static methods to OpenTK.Graphics.DisplayDevice
// we only allow settings to be set through its constructor.
// Thus, we save all necessary parameters in temporary variables
// and construct the device when every needed detail is available.
// The main DisplayDevice constructor adds the newly constructed device
// to the list of available devices.
DisplayResolution currentRes = null;
List<DisplayResolution> availableRes = new List<DisplayResolution>();
bool devPrimary = false;
int deviceNum = 0;
// Get available video adapters and enumerate all monitors
WindowsDisplayDevice winDev = new WindowsDisplayDevice();
while (API.EnumDisplayDevices(null, deviceNum++, winDev, 0)) {
if ((winDev.StateFlags & DisplayDeviceStateFlags.AttachedToDesktop) == 0)
continue;
DeviceMode mode = new DeviceMode();
// The second function should only be executed when the first one fails (e.g. when the monitor is disabled)
if (API.EnumDisplaySettings(winDev.DeviceName, (int)DisplayModeSettings.Current, mode) ||
API.EnumDisplaySettings(winDev.DeviceName, (int)DisplayModeSettings.Registry, mode)) {
if (mode.BitsPerPel > 0) {
currentRes = new DisplayResolution(
mode.Position.X, mode.Position.Y,
mode.PelsWidth, mode.PelsHeight,
mode.BitsPerPel, mode.DisplayFrequency);
devPrimary = (winDev.StateFlags & DisplayDeviceStateFlags.PrimaryDevice) != 0;
}
}
availableRes.Clear();
int i = 0;
while (API.EnumDisplaySettings(winDev.DeviceName, i++, mode)) {
// For example, the device \.\DISPLAYV1 returns a single resolution with bits per pixel of 0
// We must skip these resolutions
if (mode.BitsPerPel <= 0) continue;
availableRes.Add(new DisplayResolution(
mode.Position.X, mode.Position.Y,
mode.PelsWidth, mode.PelsHeight,
mode.BitsPerPel, mode.DisplayFrequency));
}
// This device has no valid resolutions, ignore it
if (availableRes.Count == 0 || currentRes == null) continue;
// Construct the OpenTK DisplayDevice through the accumulated parameters.
// The constructor automatically adds the DisplayDevice to the list of available devices.
DisplayDevice device = new DisplayDevice(currentRes, devPrimary, availableRes, currentRes.Bounds);
currentRes = null;
}
}
public WinDisplayDeviceDriver() {
}
}
}

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@ -1,240 +1,169 @@
#region License
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Runtime.InteropServices;
namespace OpenTK.Platform.X11 {
internal class X11DisplayDevice : IDisplayDeviceDriver {
// Store a mapping between resolutions and their respective
// size_index (needed for XRRSetScreenConfig). The size_index
// is simply the sequence number of the resolution as returned by
// XRRSizes. This is done per available screen.
static List<Dictionary<DisplayResolution, int>> screenResolutionToIndex =
new List<Dictionary<DisplayResolution, int>>();
// Store a mapping between DisplayDevices and their default resolutions.
static Dictionary<DisplayDevice, int> deviceToDefaultResolution = new Dictionary<DisplayDevice, int>();
// Store a mapping between DisplayDevices and X11 screens.
static Dictionary<DisplayDevice, int> deviceToScreen = new Dictionary<DisplayDevice, int>();
// Keep the time when the config of each screen was last updated.
static List<IntPtr> lastConfigUpdate = new List<IntPtr>();
static bool xinerama_supported, xrandr_supported, xf86_supported;
static X11DisplayDevice() {
List<DisplayDevice> devices = new List<DisplayDevice>();
try {
xinerama_supported = QueryXinerama(devices);
} catch {
Debug.Print("Xinerama query failed.");
}
if (!xinerama_supported) {
// We assume that devices are equivalent to the number of available screens.
// Note: this won't work correctly in the case of distinct X servers.
for (int i = 0; i < API.ScreenCount; i++) {
DisplayDevice dev = new DisplayDevice();
dev.IsPrimary = i == API.XDefaultScreen(API.DefaultDisplay);
devices.Add(dev);
deviceToScreen.Add(dev, i);
}
}
try {
xrandr_supported = QueryXRandR(devices);
} catch { }
if (!xrandr_supported) {
Debug.Print("XRandR query failed, falling back to XF86.");
try {
xf86_supported = QueryXF86(devices);
} catch { }
if (!xf86_supported) {
Debug.Print("XF86 query failed, no DisplayDevice support available.");
}
}
}
internal X11DisplayDevice() { }
static bool QueryXinerama(List<DisplayDevice> devices) {
// Try to use Xinerama to obtain the geometry of all output devices.
int event_base, error_base;
if (NativeMethods.XineramaQueryExtension(API.DefaultDisplay, out event_base, out error_base) &&
NativeMethods.XineramaIsActive(API.DefaultDisplay)) {
XineramaScreenInfo[] screens = NativeMethods.XineramaQueryScreens(API.DefaultDisplay);
bool first = true;
foreach (XineramaScreenInfo screen in screens) {
DisplayDevice dev = new DisplayDevice();
dev.Bounds = new Rectangle(screen.X, screen.Y, screen.Width, screen.Height);
if (first) {
// We consider the first device returned by Xinerama as the primary one.
// Makes sense conceptually, but is there a way to verify this?
dev.IsPrimary = true;
first = false;
}
devices.Add(dev);
// It seems that all X screens are equal to 0 is Xinerama is enabled, at least on Nvidia (verify?)
deviceToScreen.Add(dev, 0 /*screen.ScreenNumber*/);
}
}
return true;
}
static bool QueryXRandR(List<DisplayDevice> devices) {
// Get available resolutions. Then, for each resolution get all available rates.
foreach (DisplayDevice dev in devices) {
int screen = deviceToScreen[dev];
IntPtr lastUpdateTimestamp;
API.XRRTimes(API.DefaultDisplay, screen, out lastUpdateTimestamp);
lastConfigUpdate.Add(lastUpdateTimestamp);
List<DisplayResolution> available_res = new List<DisplayResolution>();
// Add info for a new screen.
screenResolutionToIndex.Add(new Dictionary<DisplayResolution, int>());
int[] depths = API.XListDepths(API.DefaultDisplay, screen);
int resolution_count = 0;
foreach (XRRScreenSize size in FindAvailableResolutions(screen)) {
if (size.Width == 0 || size.Height == 0) {
Debug.Print("[Warning] XRandR returned an invalid resolution ({0}) for display device {1}", size, screen);
continue;
}
short[] rates = API.XRRRates(API.DefaultDisplay, screen, resolution_count);
// It seems that XRRRates returns 0 for modes that are larger than the screen
// can support, as well as for all supported modes. On Ubuntu 7.10 the tool
// "Screens and Graphics" does report these modes, though.
foreach (short rate in rates) {
// Note: some X servers (like Xming on Windows) do not report any rates other than 0.
// If we only have 1 rate, add it even if it is 0.
if (rate != 0 || rates.Length == 1)
foreach (int depth in depths)
available_res.Add(new DisplayResolution(0, 0, size.Width, size.Height, depth, rate));
}
// Keep the index of this resolution - we will need it for resolution changes later.
foreach (int depth in depths) {
// Note that Xinerama may return multiple devices for a single screen. XRandR will
// not distinguish between the two as far as resolutions are supported (since XRandR
// operates on X screens, not display devices) - we need to be careful not to add the
// same resolution twice!
DisplayResolution res = new DisplayResolution(0, 0, size.Width, size.Height, depth, 0);
if (!screenResolutionToIndex[screen].ContainsKey(res))
screenResolutionToIndex[screen].Add(res, resolution_count);
}
++resolution_count;
}
IntPtr screenConfig = API.XRRGetScreenInfo(API.DefaultDisplay, API.XRootWindow(API.DefaultDisplay, screen));
ushort curRotation;
int curResolutionIndex = API.XRRConfigCurrentConfiguration(screenConfig, out curRotation);
float curRefreshRate = API.XRRConfigCurrentRate(screenConfig);
int curDepth = API.XDefaultDepth(API.DefaultDisplay, screen);
API.XRRFreeScreenConfigInfo(screenConfig);
if (dev.Bounds == Rectangle.Empty)
dev.Bounds = new Rectangle(0, 0, available_res[curResolutionIndex].Width, available_res[curResolutionIndex].Height);
dev.BitsPerPixel = curDepth;
dev.RefreshRate = curRefreshRate;
dev.AvailableResolutions = available_res;
deviceToDefaultResolution.Add(dev, curResolutionIndex);
}
return true;
}
static bool QueryXF86(List<DisplayDevice> devices) {
return false;
}
static XRRScreenSize[] FindAvailableResolutions(int screen) {
XRRScreenSize[] resolutions = API.XRRSizes(API.DefaultDisplay, screen);
if (resolutions == null)
throw new NotSupportedException("XRandR extensions not available.");
return resolutions;
}
static bool ChangeResolutionXRandR(DisplayDevice device, DisplayResolution resolution) {
int screen = deviceToScreen[device];
IntPtr root = API.XRootWindow(API.DefaultDisplay, screen);
IntPtr screen_config = API.XRRGetScreenInfo(API.DefaultDisplay, root);
ushort current_rotation;
int current_resolution_index = API.XRRConfigCurrentConfiguration(screen_config, out current_rotation);
int new_resolution_index;
if (resolution != null)
new_resolution_index = screenResolutionToIndex[screen]
[new DisplayResolution(0, 0, resolution.Width, resolution.Height, resolution.BitsPerPixel, 0)];
else
new_resolution_index = deviceToDefaultResolution[device];
Debug.Print("Changing size of screen {0} from {1} to {2}",
screen, current_resolution_index, new_resolution_index);
return 0 == API.XRRSetScreenConfigAndRate(API.DefaultDisplay, screen_config, root, new_resolution_index,
current_rotation, (short)(resolution != null ? resolution.RefreshRate : 0), lastConfigUpdate[screen]);
}
static bool ChangeResolutionXF86(DisplayDevice device, DisplayResolution resolution) {
return false;
}
public bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution) {
// If resolution is null, restore the default resolution (new_resolution_index = 0).
if (xrandr_supported) {
return ChangeResolutionXRandR(device, resolution);
} else if (xf86_supported) {
return ChangeResolutionXF86(device, resolution);
}
return false;
}
public bool TryRestoreResolution(DisplayDevice device) {
return TryChangeResolution(device, null);
}
static class NativeMethods {
const string Xinerama = "libXinerama";
[DllImport(Xinerama)]
public static extern bool XineramaQueryExtension(IntPtr dpy, out int event_basep, out int error_basep);
[DllImport(Xinerama)]
public static extern bool XineramaIsActive(IntPtr dpy);
[DllImport(Xinerama)]
static extern IntPtr XineramaQueryScreens(IntPtr dpy, out int count);
public unsafe static XineramaScreenInfo[] XineramaQueryScreens(IntPtr dpy) {
int count;
IntPtr screen_ptr = XineramaQueryScreens(dpy, out count);
XineramaScreenInfo* ptr = (XineramaScreenInfo*)screen_ptr;
XineramaScreenInfo[] screens = new XineramaScreenInfo[count];
for( int i = 0; i < screens.Length; i++ ) {
screens[i] = *ptr++;
}
return screens;
}
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct XineramaScreenInfo {
public int ScreenNumber;
public short X;
public short Y;
public short Width;
public short Height;
}
}
}
#region License
/* Licensed under the MIT/X11 license.
* Copyright (c) 2006-2008 the OpenTK Team.
* This notice may not be removed from any source distribution.
* See license.txt for licensing detailed licensing details.
*/
#endregion
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Runtime.InteropServices;
namespace OpenTK.Platform.X11 {
internal class X11DisplayDevice : IDisplayDeviceDriver {
static bool xinerama_supported, xrandr_supported, xf86_supported;
static X11DisplayDevice() {
List<DisplayDevice> devices = new List<DisplayDevice>();
try {
xinerama_supported = QueryXinerama(devices);
} catch {
Debug.Print("Xinerama query failed.");
}
if (!xinerama_supported) {
// We assume that devices are equivalent to the number of available screens.
// Note: this won't work correctly in the case of distinct X servers.
for (int i = 0; i < API.ScreenCount; i++) {
DisplayDevice dev = new DisplayDevice();
dev.IsPrimary = i == API.XDefaultScreen(API.DefaultDisplay);
dev.Metadata = i;
devices.Add(dev);
}
}
try {
xrandr_supported = QueryXRandR(devices);
} catch { }
if (!xrandr_supported) {
Debug.Print("XRandR query failed, falling back to XF86.");
try {
xf86_supported = QueryXF86(devices);
} catch { }
if (!xf86_supported) {
Debug.Print("XF86 query failed, no DisplayDevice support available.");
}
}
}
internal X11DisplayDevice() { }
static bool QueryXinerama(List<DisplayDevice> devices) {
// Try to use Xinerama to obtain the geometry of all output devices.
int event_base, error_base;
if (NativeMethods.XineramaQueryExtension(API.DefaultDisplay, out event_base, out error_base) &&
NativeMethods.XineramaIsActive(API.DefaultDisplay)) {
XineramaScreenInfo[] screens = NativeMethods.XineramaQueryScreens(API.DefaultDisplay);
bool first = true;
foreach (XineramaScreenInfo screen in screens) {
DisplayDevice dev = new DisplayDevice();
dev.Bounds = new Rectangle(screen.X, screen.Y, screen.Width, screen.Height);
if (first) {
// We consider the first device returned by Xinerama as the primary one.
// Makes sense conceptually, but is there a way to verify this?
dev.IsPrimary = true;
first = false;
}
devices.Add(dev);
// It seems that all X screens are equal to 0 is Xinerama is enabled, at least on Nvidia (verify?)
dev.Metadata = 0; /*screen.ScreenNumber*/
}
}
return true;
}
static bool QueryXRandR(List<DisplayDevice> devices) {
// Get available resolutions. Then, for each resolution get all available rates.
foreach (DisplayDevice dev in devices) {
int screen = (int)dev.Metadata;
List<DisplayResolution> available_res = new List<DisplayResolution>();
int[] depths = API.XListDepths(API.DefaultDisplay, screen);
int resolution_count = 0;
foreach (XRRScreenSize size in FindAvailableResolutions(screen)) {
if (size.Width == 0 || size.Height == 0) {
Debug.Print("[Warning] XRandR returned an invalid resolution ({0}) for display device {1}", size, screen);
continue;
}
short[] rates = API.XRRRates(API.DefaultDisplay, screen, resolution_count);
// It seems that XRRRates returns 0 for modes that are larger than the screen
// can support, as well as for all supported modes. On Ubuntu 7.10 the tool
// "Screens and Graphics" does report these modes, though.
foreach (short rate in rates) {
// Note: some X servers (like Xming on Windows) do not report any rates other than 0.
// If we only have 1 rate, add it even if it is 0.
if (rate != 0 || rates.Length == 1)
foreach (int depth in depths)
available_res.Add(new DisplayResolution(0, 0, size.Width, size.Height, depth, rate));
}
++resolution_count;
}
IntPtr screenConfig = API.XRRGetScreenInfo(API.DefaultDisplay, API.XRootWindow(API.DefaultDisplay, screen));
ushort curRotation;
int curResolutionIndex = API.XRRConfigCurrentConfiguration(screenConfig, out curRotation);
float curRefreshRate = API.XRRConfigCurrentRate(screenConfig);
int curDepth = API.XDefaultDepth(API.DefaultDisplay, screen);
API.XRRFreeScreenConfigInfo(screenConfig);
if (dev.Bounds == Rectangle.Empty)
dev.Bounds = new Rectangle(0, 0, available_res[curResolutionIndex].Width, available_res[curResolutionIndex].Height);
dev.BitsPerPixel = curDepth;
dev.RefreshRate = curRefreshRate;
dev.AvailableResolutions = available_res;
}
return true;
}
static bool QueryXF86(List<DisplayDevice> devices) {
return false;
}
static XRRScreenSize[] FindAvailableResolutions(int screen) {
XRRScreenSize[] resolutions = API.XRRSizes(API.DefaultDisplay, screen);
if (resolutions == null)
throw new NotSupportedException("XRandR extensions not available.");
return resolutions;
}
static class NativeMethods {
const string Xinerama = "libXinerama";
[DllImport(Xinerama)]
public static extern bool XineramaQueryExtension(IntPtr dpy, out int event_basep, out int error_basep);
[DllImport(Xinerama)]
public static extern bool XineramaIsActive(IntPtr dpy);
[DllImport(Xinerama)]
static extern IntPtr XineramaQueryScreens(IntPtr dpy, out int count);
public unsafe static XineramaScreenInfo[] XineramaQueryScreens(IntPtr dpy) {
int count;
IntPtr screen_ptr = XineramaQueryScreens(dpy, out count);
XineramaScreenInfo* ptr = (XineramaScreenInfo*)screen_ptr;
XineramaScreenInfo[] screens = new XineramaScreenInfo[count];
for( int i = 0; i < screens.Length; i++ ) {
screens[i] = *ptr++;
}
return screens;
}
}
[StructLayout(LayoutKind.Sequential, Pack = 1)]
struct XineramaScreenInfo {
public int ScreenNumber;
public short X;
public short Y;
public short Width;
public short Height;
}
}
}

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#ifndef CS_WINDOW_H
#define CS_WINDOW_H
#include "Typedefs.h"
#include "String.h"
#include "Compiler.h"
#include "Bitmap.h"
/* Abstracts creating and managing a native window.
Copyright 2017 ClassicalSharp | Licensed under BSD-3
*/
/* Gets the current contents of the clipboard. */
void Window_GetClipboardText(STRING_TRANSIENT String* value);
/* Sets the current contents of the clipboard. */
void Window_SetClipboardText(STRING_TRANSIENT String* value);
/* Sets the icon of this window. */
void Window_SetIcon(Bitmap* bmp);
/* Sets the title of the window. */
void Window_SetTitle(STRING_TRANSIENT String* title);
/* Gets whether this window has input focus. */
bool Window_GetFocused(void);
/* Gets whether whether this window is visible. */
bool Window_GetVisible(void);
/* Gets whether this window has been created and has not been destroyed. */
bool Window_GetExists(void);
/// <summary> Gets the <see cref="OpenTK.Platform.IWindowInfo"/> for this window. </summary>
IWindowInfo WindowInfo{ get; }
/// <summary> Gets or sets the <see cref="OpenTK.WindowState"/> for this window. </summary>
WindowState WindowState{ get; set; }
/// <summary> Gets or sets a <see cref="System.Drawing.Rectangle"/> structure the contains the external bounds of this window, in screen coordinates.
/// External bounds include the title bar, borders and drawing area of the window. </summary>
Rectangle Bounds{ get; set; }
/// <summary> Gets or sets a <see cref="System.Drawing.Point"/> structure that contains the location of this window on the desktop. </summary>
Point Location{ get; set; }
/// <summary> Gets or sets a <see cref="System.Drawing.Size"/> structure that contains the external size of this window. </summary>
Size Size{ get; set; }
/// <summary> Gets or sets a <see cref="System.Drawing.Rectangle"/> structure that contains the internal bounds of this window, in client coordinates.
/// The internal bounds include the drawing area of the window, but exclude the titlebar and window borders. </summary>
Rectangle ClientRectangle{ get; set; }
/// <summary> Gets or sets a <see cref="System.Drawing.Size"/> structure that contains the internal size this window. </summary>
Size ClientSize{ get; set; }
/// <summary> Closes this window. </summary>
void Close();
/// <summary> Processes pending window events. </summary>
void ProcessEvents();
/// <summary> Transforms the specified point from screen to client coordinates. </summary>
/// <param name="point"> A <see cref="System.Drawing.Point"/> to transform. </param>
/// <returns> The point transformed to client coordinates. </returns>
Point PointToClient(Point point);
/// <summary> Transforms the specified point from client to screen coordinates. </summary>
/// <param name="point"> A <see cref="System.Drawing.Point"/> to transform. </param>
/// <returns> The point transformed to screen coordinates. </returns>
Point PointToScreen(Point point);
/// <summary> Gets the available KeyboardDevice. </summary>
KeyboardDevice Keyboard{ get; }
/// <summary> Gets the available MouseDevice. </summary>
MouseDevice Mouse{ get; }
/// <summary> Gets or sets the cursor position in screen coordinates. </summary>
Point DesktopCursorPos{ get; set; }
/// <summary> Gets or sets whether the cursor is visible in the window. </summary>
bool CursorVisible{ get; set; }
/// <summary> Occurs whenever the window is moved. </summary>
event EventHandler<EventArgs> Move;
/// <summary> Occurs whenever the window is resized. </summary>
event EventHandler<EventArgs> Resize;
/// <summary> Occurs when the window is about to close. </summary>
event EventHandler<CancelEventArgs> Closing;
/// <summary> Occurs after the window has closed. </summary>
event EventHandler<EventArgs> Closed;
/// <summary> Occurs when the window is disposed. </summary>
event EventHandler<EventArgs> Disposed;
/// <summary> Occurs when the <see cref="Icon"/> property of the window changes. </summary>
event EventHandler<EventArgs> IconChanged;
/// <summary> Occurs when the <see cref="Title"/> property of the window changes. </summary>
event EventHandler<EventArgs> TitleChanged;
/// <summary> Occurs when the <see cref="Visible"/> property of the window changes. </summary>
event EventHandler<EventArgs> VisibleChanged;
/// <summary> Occurs when the <see cref="Focused"/> property of the window changes. </summary>
event EventHandler<EventArgs> FocusedChanged;
/// <summary> Occurs when the <see cref="WindowState"/> property of the window changes. </summary>
event EventHandler<EventArgs> WindowStateChanged;
/// <summary> Occurs whenever a character is typed. </summary>
event EventHandler<KeyPressEventArgs> KeyPress;
/// <summary> Occurs whenever the mouse cursor leaves the window <see cref="Bounds"/>. </summary>
event EventHandler<EventArgs> MouseLeave;
/// <summary> Occurs whenever the mouse cursor enters the window <see cref="Bounds"/>. </summary>
event EventHandler<EventArgs> MouseEnter;
#endif