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use GL_EXT_framebuffer_object instead of opengl 3.0 core FBO support, for to help on low-spec hardware

This commit is contained in:
zeromus 2014-02-03 08:04:11 +00:00
parent 33294f9c81
commit 4a753aae17
1 changed files with 11 additions and 11 deletions
Bizware/BizHawk.Bizware.BizwareGL.OpenTK
IGL_TK.cs

22
Bizware/BizHawk.Bizware.BizwareGL.OpenTK/IGL_TK.cs
View File

@ -358,7 +358,7 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
public void FreeRenderTarget(RenderTarget rt)
{
rt.Texture2d.Dispose();
GL.DeleteFramebuffer(rt.Id.ToInt32());
GL.Ext.DeleteFramebuffer(rt.Id.ToInt32());
}
public unsafe RenderTarget CreateRenderTarget(int w, int h)
@ -372,22 +372,22 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
tex.SetMinFilter(TextureMinFilter.Nearest);
//create the FBO
int fbid = GL.GenFramebuffer();
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fbid);
int fbid = GL.Ext.GenFramebuffer();
GL.Ext.BindFramebuffer(FramebufferTarget.Framebuffer, fbid);
//bind the tex to the FBO
GL.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, texid.ToInt32(), 0);
GL.Ext.FramebufferTexture2D(FramebufferTarget.Framebuffer, FramebufferAttachment.ColorAttachment0, TextureTarget.Texture2D, texid.ToInt32(), 0);
//do something, I guess say which colorbuffers are used by the framebuffer
DrawBuffersEnum* buffers = stackalloc DrawBuffersEnum[1];
buffers[0] = DrawBuffersEnum.ColorAttachment0;
GL.DrawBuffers(1, buffers);
//DrawBuffersEnum* buffers = stackalloc DrawBuffersEnum[1];
//buffers[0] = DrawBuffersEnum.ColorAttachment0;
GL.Ext.FramebufferDrawBuffer(0, DrawBufferMode.ColorAttachment0);
if (GL.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
if (GL.Ext.CheckFramebufferStatus(FramebufferTarget.Framebuffer) != FramebufferErrorCode.FramebufferComplete)
throw new InvalidOperationException("Error creating framebuffer (at CheckFramebufferStatus)");
//since we're done configuring unbind this framebuffer, to return to the default
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Ext.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
return new RenderTarget(this, new IntPtr(fbid), tex);
}
@ -395,9 +395,9 @@ namespace BizHawk.Bizware.BizwareGL.Drivers.OpenTK
public void BindRenderTarget(RenderTarget rt)
{
if(rt == null)
GL.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
GL.Ext.BindFramebuffer(FramebufferTarget.Framebuffer, 0);
else
GL.BindFramebuffer(FramebufferTarget.Framebuffer, rt.Id.ToInt32());
GL.Ext.BindFramebuffer(FramebufferTarget.Framebuffer, rt.Id.ToInt32());
}
public Texture2d LoadTexture(BitmapBuffer bmp)