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