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- removed glFinish call from OpenGLFrameBuffer::Update. This caused the CPU to wait for

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all graphics to be rendered which isn't necessary. Instead we can let the GPU run in
  parallel to the next frame's setup and increase performance this way.


git-svn-id: http://mancubus.net/svn/hosted/gzdoom/trunk@585 b0f79afe-0144-0410-b225-9a4edf0717df
This commit is contained in:
Christoph Oelckers 2009-10-30 11:13:29 +00:00
parent 7d507a4004
commit 93f3e279e1
2 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

3
src/gl/data/gl_vertexbuffer.cpp
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@ -359,7 +359,8 @@ void FVertexBuffer::CheckPlanes(sector_t *sector)
//
// checks the validity of all planes attached to this sector
// and updates them if possible. Anything moving will not be
// updated unless it stops.
// updated unless it stops. This is to ensure that we never
// have to synchronize with the rendering process.
//
//==========================================================================

7
src/gl/system/gl_framebuffer.cpp
View file

@ -168,6 +168,7 @@ void OpenGLFrameBuffer::InitializeState()
// Updates the screen
//
//==========================================================================
CVAR(Bool, gl_draw_synchronized, false, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
void OpenGLFrameBuffer::Update()
{
@ -189,17 +190,17 @@ void OpenGLFrameBuffer::Update()
Begin2D(false);
}
Finish.Reset();
Finish.Clock();
gl.Finish();
Finish.Unclock();
if (gl_draw_synchronized) gl.Finish();
if (needsetgamma)
{
DoSetGamma();
needsetgamma = false;
}
gl.SwapBuffers();
Finish.Unclock();
Unlock();
}