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Viewing changes to src/mesa/drivers/dri/i965/brw_sf_emit.c

  • Committer: Bazaar Package Importer
  • Author(s): Timo Aaltonen
  • Date: 2009-04-03 12:42:06 UTC
  • mfrom: (1.2.16 upstream) (3.1.5 experimental)
  • Revision ID: james.westby@ubuntu.com-20090403124206-0oo9dl0tcmd0qr38
Tags: 7.4-0ubuntu1
https://launchpad.net/bugs/330476
https://launchpad.net/bugs/347171
https://launchpad.net/bugs/349127
https://launchpad.net/bugs/146298
https://launchpad.net/bugs/324854
* New upstream release, merge from debian-experimental
  (LP: #330476, #347171, #349127)
* Drop 103_rs600_support.patch, included in this version.
* Drop 104_swrast_fbconfigs.patch, included in this version.
* Add 103_bump_965_texture_limit.diff. (LP: #146298)
* Add 104_fix_dri2_ext_tfp.diff. (LP: #324854)

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Lines of Context:
src/mesa/drivers/dri/i965/brw_sf_emit.c
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   return (c->key.attrs & (1<<attr)) ? 1 : 0;
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}
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/**
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 * Sets VERT_RESULT_FOGC.Y  for gl_FrontFacing
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 *
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 * This is currently executed if the fragment program uses VERT_RESULT_FOGC
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 * at all, but this could be eliminated with a scan of the FP contents.
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 */
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static void
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do_front_facing( struct brw_sf_compile *c )
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{
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   struct brw_compile *p = &c->func; 
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   int i;
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   if (!have_attr(c, VERT_RESULT_FOGC))
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      return;
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   brw_push_insn_state(p);
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   brw_CMP(p, brw_null_reg(), 
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        c->key.frontface_ccw ? BRW_CONDITIONAL_G : BRW_CONDITIONAL_L,
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        c->det, brw_imm_f(0));
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   brw_set_predicate_control(p, BRW_PREDICATE_NONE);
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   for (i = 0; i < 3; i++) {
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       struct brw_reg fogc = get_vert_attr(c, c->vert[i],FRAG_ATTRIB_FOGC);
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       brw_MOV(p, get_element(fogc, 1), brw_imm_f(0));
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       brw_set_predicate_control(p, BRW_PREDICATE_NORMAL);
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       brw_MOV(p, get_element(fogc, 1), brw_imm_f(1));
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       brw_set_predicate_control(p, BRW_PREDICATE_NONE);
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   }
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   brw_pop_insn_state(p);
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}
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/*********************************************************************** 
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 * Twoside lighting
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 */
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   invert_det(c);
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   copy_z_inv_w(c);
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   do_front_facing(c);
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   if (c->key.do_twoside_color) 
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      do_twoside_color(c);