Mesa (master): i965: Enable lower_clip_distance.

[Paul Berry]

Module: Mesa
Branch: master
Commit: b9ef2b85b41272da9ed95071307310f9749cbf2b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=b9ef2b85b41272da9ed95071307310f9749cbf2b

Author: Paul Berry <stereotype441 at gmail.com>
Date:   Thu Sep 15 15:16:08 2011 -0700

i965: Enable lower_clip_distance.

i965 requires gl_ClipDistance to be formatted as an array of 2 vec4's
(as opposed to an array of 8 floats), so enable the lowering pass that
performs this conversion.

Reviewed-by: Eric Anholt <eric at anholt.net>

---

 src/mesa/drivers/dri/i965/brw_context.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/brw_context.c b/src/mesa/drivers/dri/i965/brw_context.c
index cb37319..95eb357 100644
--- a/src/mesa/drivers/dri/i965/brw_context.c
+++ b/src/mesa/drivers/dri/i965/brw_context.c
@@ -120,6 +120,7 @@ GLboolean brwCreateContext( int api,
 	 (i == MESA_SHADER_FRAGMENT);
       ctx->ShaderCompilerOptions[i].EmitNoIndirectTemp =
 	 (i == MESA_SHADER_FRAGMENT);
+      ctx->ShaderCompilerOptions[i].LowerClipDistance = GL_TRUE;
    }
 
    ctx->Const.VertexProgram.MaxNativeInstructions = (16 * 1024);