Re: [Mesa-dev] [PATCH v2 1/2] mesa: Add a gl_vert_result for gl_ClipVertex.

2011-10-04 Thread Paul Berry
On 4 October 2011 14:49, Brian Paul wrote: > On 10/04/2011 03:19 PM, Paul Berry wrote: > >> On 4 October 2011 13:15, Ian Romanick > > wrote: >> >>On 10/03/2011 02:17 PM, Paul Berry wrote: >> >>Before this patch, clip planes didn't work properly in Mesa >>

Re: [Mesa-dev] [PATCH v2 1/2] mesa: Add a gl_vert_result for gl_ClipVertex.

2011-10-04 Thread Brian Paul
On 10/04/2011 03:19 PM, Paul Berry wrote: On 4 October 2011 13:15, Ian Romanick mailto:i...@freedesktop.org>> wrote: On 10/03/2011 02:17 PM, Paul Berry wrote: Before this patch, clip planes didn't work properly in Mesa when using vertex shaders, because Mesa assigned

Re: [Mesa-dev] [PATCH v2 1/2] mesa: Add a gl_vert_result for gl_ClipVertex.

2011-10-04 Thread Paul Berry
On 4 October 2011 13:15, Ian Romanick wrote: > On 10/03/2011 02:17 PM, Paul Berry wrote: > >> Before this patch, clip planes didn't work properly in Mesa when using >> vertex shaders, because Mesa assigned both gl_ClipVertex and >> gl_Position to the same gl_vert_result (VERT_RESULT_HPOS). As a

Re: [Mesa-dev] [PATCH v2 1/2] mesa: Add a gl_vert_result for gl_ClipVertex.

2011-10-04 Thread Ian Romanick
On 10/03/2011 02:17 PM, Paul Berry wrote: Before this patch, clip planes didn't work properly in Mesa when using vertex shaders, because Mesa assigned both gl_ClipVertex and gl_Position to the same gl_vert_result (VERT_RESULT_HPOS). As a result, backends couldn't distinguish between the two vari

[Mesa-dev] [PATCH v2 1/2] mesa: Add a gl_vert_result for gl_ClipVertex.

2011-10-03 Thread Paul Berry
Before this patch, clip planes didn't work properly in Mesa when using vertex shaders, because Mesa assigned both gl_ClipVertex and gl_Position to the same gl_vert_result (VERT_RESULT_HPOS). As a result, backends couldn't distinguish between the two variables, so any shader that wrote different va