On 30 August 2011 12:34, Kenneth Graunke <kenn...@whitecape.org> wrote:
> The fragment shader needs gl_Position.w in order to do interpolation. > Both the comments above and the old VS backend emitted this. > > Fixes a ton of piglit tests on Ironlake with the new VS. > I ran across this last week but was in the middle of other work and ran out of time to address it. Thanks for fixing it. Reviewed-by: Paul Berry <stereotype...@gmail.com> > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> > --- > src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp | 2 ++ > 1 files changed, 2 insertions(+), 0 deletions(-) > > diff --git a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp > b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp > index 4babc56..04c49da 100644 > --- a/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp > +++ b/src/mesa/drivers/dri/i965/brw_vec4_visitor.cpp > @@ -1736,6 +1736,8 @@ vec4_visitor::emit_vue_header_gen4(int header_mrf) > > /* Pad so that vertex element data is aligned. */ > header_mrf++; > + > + emit(BRW_OPCODE_MOV, brw_message_reg(header_mrf++), pos); > } else { > /* There are 8 dwords in VUE header pre-Ironlake: > * dword 0-3 (m1) is indices, point width, clip flags. > -- > 1.7.6 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev >
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