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Run graphics rendering on a dedicated thread.

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The main game thread can offload some of the CPU cost to the rendering thread, freeing up its time to run more logic and render ticks.
This commit is contained in:
RoosterDragon
2018-06-13 20:01:15 +00:00
committed by Paul Chote
parent ea068a36f7
commit bb536ee4fc
15 changed files with 767 additions and 43 deletions
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14
OpenRA.Platforms.Default/Sdl2GraphicsContext.cs
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@@ -25,6 +25,12 @@ namespace OpenRA.Platforms.Default
public Sdl2GraphicsContext(Sdl2PlatformWindow window)
{
this.window = window;
}
internal void InitializeOpenGL()
{
SetThreadAffinity();
context = SDL.SDL_GL_CreateContext(window.Window);
if (context == IntPtr.Zero || SDL.SDL_GL_MakeCurrent(window.Window, context) < 0)
throw new InvalidOperationException("Can not create OpenGL context. (Error: {0})".F(SDL.SDL_GetError()));
@@ -60,7 +66,13 @@ namespace OpenRA.Platforms.Default
public IFrameBuffer CreateFrameBuffer(Size s)
{
VerifyThreadAffinity();
return new FrameBuffer(s);
return new FrameBuffer(s, new Texture());
}
public IFrameBuffer CreateFrameBuffer(Size s, ITextureInternal texture)
{
VerifyThreadAffinity();
return new FrameBuffer(s, texture);
}
public IShader CreateShader(string name)