[Mesa-dev] [PATCH 4/8] i965: Enable lower_clip_distance.

Paul Berry stereotype441 at gmail.com
Tue Sep 20 15:42:34 PDT 2011


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.
---
 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);
-- 
1.7.6.2



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