On Fri, 2009-04-17 at 22:25 -0400, GS Hunt wrote:
> Please bear with me, I am not a developer.
>
> I am using an RS740 chip HS2100IGP integrated Radeon Video Card.
>
> It uses the R300 driver, (support added in the 2.6.28 kernel by Alex
> Deucher)
>
> 3D rendering is normal in Mesa 7.2, but is slow in subsequent versions.
>
> CPU useage goes to 100%, and 3D framerates drop dramtically.
>
> glxinfo shows:
>
> Direct rendering: YES
> OpenGL renderer string: Mesa DRI R300 20060815 NO-TCL
>
>
> This commit is good:
>
> http://lists.freedesktop.org/archives/mesa-commit/2008-September/004140.html
>
>
> This commit is the earliest which best exhibits the problem:
>
> http://lists.freedesktop.org/archives/mesa-commit/2008-September/004354.html
Does this patch fix the problem?
diff --git a/src/mesa/drivers/dri/r300/r300_context.c
b/src/mesa/drivers/dri/r300/r300_context.c
index 12bee1a..4de95f1 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -374,7 +374,6 @@ GLboolean r300CreateContext(const __GLcontextModes *
glVisual,
ctx->Const.FragmentProgram.MaxNativeTexIndirections =
PFS_MAX_TEX_INDIRECT;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0; /* and these
are?? */
- ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
ctx->FragmentProgram._MaintainTexEnvProgram = GL_TRUE;
driInitExtensions(ctx, card_extensions, GL_TRUE);
@@ -421,7 +420,8 @@ GLboolean r300CreateContext(const __GLcontextModes *
glVisual,
}
TCL_FALLBACK(r300->radeon.glCtx,
RADEON_TCL_FALLBACK_TCL_DISABLE, 1);
- }
+ } else
+ ctx->VertexProgram._MaintainTnlProgram = GL_TRUE;
return GL_TRUE;
}
--
Earthling Michel Dänzer | http://www.vmware.com
Libre software enthusiast | Debian, X and DRI developer
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