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i965: Rearrange VS cache key struct.

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No functional change.  This patch rearranges the struct
brw_vs_prog_key so that the two fields related to clipping are
together, and documents those fields.  This should make the patches
that follow easier to comprehend, since they add additional
clipping-related fields to this structure.

Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Paul Berry 2011-09-29 14:16:29 -07:00
parent c163072197
commit a1b37ebe75
1 changed files with 11 additions and 1 deletions
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12
src/mesa/drivers/dri/i965/brw_vs.h
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@ -45,11 +45,21 @@ struct brw_vs_prog_key {
* Number of channels of the vertex attribute that need GL_FIXED rescaling
*/
uint8_t gl_fixed_input_size[VERT_ATTRIB_MAX];
/**
* Number of user clip planes (or clip distances) that are active.
*/
GLuint nr_userclip:4;
/**
* True if the shader uses gl_ClipDistance, regardless of whether any clip
* flags are enabled.
*/
GLuint uses_clip_distance:1;
GLuint copy_edgeflag:1;
GLuint point_coord_replace:8;
GLuint clamp_vertex_color:1;
GLuint uses_clip_distance:1;
};