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Implemented EglContext construction according to AMD's OpenGL|ES samples.

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This commit is contained in:
the_fiddler 2009-08-15 16:45:59 +00:00
parent 5515c59173
commit 5d5f598707
3 changed files with 24 additions and 10 deletions
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27
Source/OpenTK/Platform/Egl/EglGraphicsMode.cs
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@ -41,29 +41,38 @@ namespace OpenTK.Platform.Egl
EGLConfig[] configs = new EGLConfig[1];
int[] attribList = new int[]
{
Egl.SURFACE_TYPE, Egl.WINDOW_BIT,
//Egl.SURFACE_TYPE, Egl.WINDOW_BIT,
Egl.RED_SIZE, color.Red,
Egl.GREEN_SIZE, color.Green,
Egl.BLUE_SIZE, color.Blue,
Egl.ALPHA_SIZE, color.Alpha,
Egl.DEPTH_SIZE, depth > 0 ? depth : Egl.DONT_CARE,
Egl.STENCIL_SIZE, stencil > 0 ? stencil : Egl.DONT_CARE,
Egl.DEPTH_SIZE, depth > 0 ? depth : 0,
Egl.STENCIL_SIZE, stencil > 0 ? stencil : 0,
Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
//Egl.SAMPLE_BUFFERS, samples > 0 ? 1 : 0,
Egl.SAMPLES, samples > 0 ? samples : 0,
Egl.NONE, Egl.NONE
Egl.NONE,
};
// Todo: what if we don't wish to use the default display?
EGLDisplay display = Egl.GetDisplay(EGLNativeDisplayType.Default);
int major, minor;
if (!Egl.Initialize(display, out major, out minor))
throw new GraphicsModeException(String.Format("Failed to initialize display connection, error {0}", Egl.GetError()));
int num_configs;
Egl.GetConfigs(display, configs, configs.Length, out num_configs);
if (num_configs == 0)
throw new NotSupportedException("The requested GraphicsMode is not supported.");
if (!Egl.GetConfigs(display, null, 0, out num_configs))
{
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode configurations, error {0}", Egl.GetError()));
}
if (!Egl.ChooseConfig(display, attribList, configs, configs.Length, out num_configs))
{
throw new GraphicsModeException(String.Format("Failed to retrieve GraphicsMode, error {0}", Egl.GetError()));
}
// See what we really got
EGLConfig active_config = configs[0];
@ -79,7 +88,7 @@ namespace OpenTK.Platform.Egl
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out sample_buffers);
Egl.GetConfigAttrib(display, active_config, Egl.SAMPLES, out samples);
return new GraphicsMode(active_config.Handle.Value, new ColorFormat(r, g, b, a), depth, stencil, sample_buffers > 0 ? samples : 0, 0, 2, false);
return new GraphicsMode(active_config.Handle.Value, new ColorFormat(r, g, b, a), d, s, sample_buffers > 0 ? samples : 0, 0, 2, false);
}
#endregion

3
Source/OpenTK/Platform/Egl/EglWinPlatformFactory.cs
View file

@ -40,7 +40,8 @@ namespace OpenTK.Platform.Egl
public override IGraphicsContext CreateGLContext(GraphicsMode mode, IWindowInfo window, IGraphicsContext shareContext, bool directRendering, int major, int minor, GraphicsContextFlags flags)
{
WinWindowInfo win_win = (WinWindowInfo)window;
EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(win_win.WindowHandle, Egl.GetDisplay(new EGLNativeDisplayType(win_win.DeviceContext)));
EGLDisplay egl_display = Egl.GetDisplay(EGLNativeDisplayType.Default); // Egl.GetDisplay(new EGLNativeDisplayType(win_win.DeviceContext));
EglWindowInfo egl_win = new OpenTK.Platform.Egl.EglWindowInfo(win_win.WindowHandle, egl_display);
return new EglContext(mode, egl_win, shareContext, major, minor, flags);
}

4
Source/OpenTK/Platform/Egl/EglWindowInfo.cs
View file

@ -29,6 +29,7 @@ using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using OpenTK.Graphics;
namespace OpenTK.Platform.Egl
{
@ -72,6 +73,9 @@ namespace OpenTK.Platform.Egl
public void CreateWindowSurface(EGLConfig config)
{
Surface = Egl.CreateWindowSurface(Display, config, Handle, null);
int error = Egl.GetError();
if (error != Egl.SUCCESS)
throw new GraphicsContextException(String.Format("[Error] Failed to create EGL window surface, error {0}.", error));
}
//public void CreatePixmapSurface(EGLConfig config)