src/mesa/pipe/nv40/nv40_state_emit.c

   1 #include "nv40_context.h"
   2 #include "nv40_state.h"
   3
   4 /* Emit relocs for every referenced buffer.
   5  *
   6  * This is to ensure the bufmgr has an accurate idea of how
   7  * the buffer is used.  These relocs appear in the push buffer as
   8  * NOPs, and will only be turned into state changes if a buffer
   9  * actually moves.
  10  */
  11 static void
  12 nv40_state_emit_dummy_relocs(struct nv40_context *nv40)
  13 {
  14         unsigned i;
  15
  16         so_emit_reloc_markers(nv40->nvws, nv40->so_framebuffer);
  17         for (i = 0; i < 16; i++) {
  18                 if (!(nv40->fp_samplers & (1 << i)))
  19                         continue;
  20                 so_emit_reloc_markers(nv40->nvws, nv40->so_fragtex[i]);
  21         }
  22         so_emit_reloc_markers(nv40->nvws, nv40->fragprog.active->so);
  23 }
  24
  25 void
  26 nv40_emit_hw_state(struct nv40_context *nv40)
  27 {
  28         if (nv40->dirty & NV40_NEW_FB)
  29                 so_emit(nv40->nvws, nv40->so_framebuffer);
  30
  31         if (nv40->dirty & NV40_NEW_BLEND)
  32                 so_emit(nv40->nvws, nv40->so_blend);
  33
  34         if (nv40->dirty & NV40_NEW_RAST)
  35                 so_emit(nv40->nvws, nv40->so_rast);
  36
  37         if (nv40->dirty & NV40_NEW_ZSA)
  38                 so_emit(nv40->nvws, nv40->so_zsa);
  39
  40         if (nv40->dirty & NV40_NEW_BCOL)
  41                 so_emit(nv40->nvws, nv40->so_bcol);
  42
  43         if (nv40->dirty & NV40_NEW_SCISSOR)
  44                 so_emit(nv40->nvws, nv40->so_scissor);
  45
  46         if (nv40->dirty & NV40_NEW_VIEWPORT)
  47                 so_emit(nv40->nvws, nv40->so_viewport);
  48
  49         if (nv40->dirty & NV40_NEW_STIPPLE)
  50                 so_emit(nv40->nvws, nv40->so_stipple);
  51
  52         if (nv40->dirty & NV40_NEW_FRAGPROG) {
  53                 nv40_fragprog_bind(nv40, nv40->fragprog.current);
  54                 /*XXX: clear NV40_NEW_FRAGPROG if no new program uploaded */
  55         }
  56
  57         if (nv40->dirty_samplers || (nv40->dirty & NV40_NEW_FRAGPROG)) {
  58                 nv40_fragtex_bind(nv40);
  59
  60                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  61                 OUT_RING  (2);
  62                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  63                 OUT_RING  (1);
  64                 nv40->dirty &= ~NV40_NEW_FRAGPROG;
  65         }
  66
  67         if (nv40->dirty & NV40_NEW_VERTPROG) {
  68                 nv40_vertprog_bind(nv40, nv40->vertprog.current);
  69                 nv40->dirty &= ~NV40_NEW_VERTPROG;
  70         }
  71
  72         nv40->dirty_samplers = 0;
  73         nv40->dirty = 0;
  74
  75         nv40_state_emit_dummy_relocs(nv40);
  76 }
  77