ryujinx/Opentk
1
0
Fork 0
mirror of https://github.com/Ryujinx/Opentk.git synced 2025-01-24 18:50:59 +00:00
Code Issues Packages Projects Releases Wiki Activity

[SDL2] Use RelaxGraphicsMode to find optimal mode

Browse source 
For SDL2, RelaxGraphicsMode requires us to clear context attributes
between consecutive attempts. This is implemented by calling
ClearGLAttributes().
This commit is contained in:
thefiddler 2014-01-22 11:37:37 +01:00
parent 0575e63a27
commit 417a6bedc1
1 changed files with 39 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

41
Source/OpenTK/Platform/SDL2/Sdl2GraphicsContext.cs
View file

@ -63,8 +63,20 @@ namespace OpenTK.Platform.SDL2
{ {
lock (SDL.Sync) lock (SDL.Sync)
{ {
SetGLAttributes(mode, shareContext, major, minor, flags); bool retry = false;
SdlContext = new ContextHandle(SDL.GL.CreateContext(Window.Handle)); do
{
SetGLAttributes(mode, shareContext, major, minor, flags);
SdlContext = new ContextHandle(SDL.GL.CreateContext(Window.Handle));
// If we failed to create a valid context, relax the GraphicsMode
// and try again.
retry =
SdlContext == ContextHandle.Zero &&
Utilities.RelaxGraphicsMode(ref mode);
}
while (retry);
if (SdlContext == ContextHandle.Zero) if (SdlContext == ContextHandle.Zero)
{ {
var error = SDL.GetError(); var error = SDL.GetError();
@ -152,12 +164,37 @@ namespace OpenTK.Platform.SDL2
stereo != 0 ? true : false); stereo != 0 ? true : false);
} }
static void ClearGLAttributes()
{
SDL.GL.SetAttribute(ContextAttribute.ACCUM_ALPHA_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.ACCUM_RED_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.ACCUM_GREEN_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.ACCUM_BLUE_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.DOUBLEBUFFER, 0);
SDL.GL.SetAttribute(ContextAttribute.ALPHA_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.RED_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.GREEN_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.BLUE_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.DEPTH_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.MULTISAMPLEBUFFERS, 0);
SDL.GL.SetAttribute(ContextAttribute.MULTISAMPLESAMPLES, 0);
SDL.GL.SetAttribute(ContextAttribute.STENCIL_SIZE, 0);
SDL.GL.SetAttribute(ContextAttribute.STEREO, 0);
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_MAJOR_VERSION, 1);
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_MINOR_VERSION, 0);
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_FLAGS, 0);
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_EGL, 0);
SDL.GL.SetAttribute(ContextAttribute.CONTEXT_PROFILE_MASK, 0);
SDL.GL.SetAttribute(ContextAttribute.SHARE_WITH_CURRENT_CONTEXT, 0);
}
static void SetGLAttributes(GraphicsMode mode, static void SetGLAttributes(GraphicsMode mode,
IGraphicsContext shareContext, IGraphicsContext shareContext,
int major, int minor, int major, int minor,
GraphicsContextFlags flags) GraphicsContextFlags flags)
{ {
ContextProfileFlags cpflags = 0; ContextProfileFlags cpflags = 0;
ClearGLAttributes();
if (mode.AccumulatorFormat.BitsPerPixel > 0) if (mode.AccumulatorFormat.BitsPerPixel > 0)
{ {