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i965: clip: Add VUE map computation to clip stage for Gen4-5.

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Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Paul Berry 2011-08-24 19:51:54 -07:00
parent 9660e3b788
commit 514eeca32c
2 changed files with 7 additions and 1 deletions
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3
src/mesa/drivers/dri/i965/brw_clip.c
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@ -71,6 +71,8 @@ static void compile_clip_prog( struct brw_context *brw,
c.func.single_program_flow = 1;
c.key = *key;
brw_compute_vue_map(&c.vue_map, intel, c.key.nr_userclip,
c.key.do_twoside_color, c.key.attrs);
/* Need to locate the two positions present in vertex + header.
* These are currently hardcoded:
@ -174,6 +176,7 @@ static void upload_clip_prog(struct brw_context *brw)
/* _NEW_LIGHT */
key.do_flat_shading = (ctx->Light.ShadeModel == GL_FLAT);
key.pv_first = (ctx->Light.ProvokingVertex == GL_FIRST_VERTEX_CONVENTION);
key.do_twoside_color = (ctx->Light.Enabled && ctx->Light.Model.TwoSide);
/* _NEW_TRANSFORM */
key.nr_userclip = brw_count_bits(ctx->Transform.ClipPlanesEnabled);

5
src/mesa/drivers/dri/i965/brw_clip.h
View file

@ -55,7 +55,8 @@ struct brw_clip_prog_key {
GLuint copy_bfc_cw:1;
GLuint copy_bfc_ccw:1;
GLuint clip_mode:3;
GLuint pad0:11;
GLuint do_twoside_color:1;
GLuint pad0:10;
GLfloat offset_factor;
GLfloat offset_units;
@ -119,6 +120,8 @@ struct brw_clip_compile {
GLuint offset[VERT_RESULT_MAX];
/** Mapping from attribute index to VERT_RESULT_* */
GLuint idx_to_attr[VERT_RESULT_MAX];
struct brw_vue_map vue_map;
};
#define ATTR_SIZE (4*4)