src/gallium/drivers/nv30/nv30_state_emit.c

   1 #include "nv30_context.h"
   2 #include "nv30_state.h"
   3
   4 static struct nv30_state_entry *render_states[] = {
   5         &nv30_state_framebuffer,
   6         &nv30_state_rasterizer,
   7         &nv30_state_scissor,
   8         &nv30_state_stipple,
   9         &nv30_state_fragprog,
  10         &nv30_state_fragtex,
  11         &nv30_state_vertprog,
  12         &nv30_state_blend,
  13         &nv30_state_blend_colour,
  14         &nv30_state_zsa,
  15         &nv30_state_viewport,
  16         &nv30_state_vbo,
  17         NULL
  18 };
  19
  20 static void
  21 nv30_state_do_validate(struct nv30_context *nv30,
  22                        struct nv30_state_entry **states)
  23 {
  24         const struct pipe_framebuffer_state *fb = &nv30->framebuffer;
  25         unsigned i;
  26
  27         for (i = 0; i < fb->num_cbufs; i++)
  28                 fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
  29         if (fb->zsbuf)
  30                 fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
  31
  32         while (*states) {
  33                 struct nv30_state_entry *e = *states;
  34
  35                 if (nv30->dirty & e->dirty.pipe) {
  36                         if (e->validate(nv30)) {
  37                                 nv30->state.dirty |= (1ULL << e->dirty.hw);
  38                         }
  39                 }
  40
  41                 states++;
  42         }
  43         nv30->dirty = 0;
  44 }
  45
  46 void
  47 nv30_state_emit(struct nv30_context *nv30)
  48 {
  49         struct nv30_state *state = &nv30->state;
  50         struct nv30_screen *screen = nv30->screen;
  51         unsigned i, samplers;
  52         uint64_t states;
  53
  54         if (nv30->pctx_id != screen->cur_pctx) {
  55                 for (i = 0; i < NV30_STATE_MAX; i++) {
  56                         if (state->hw[i] && screen->state[i] != state->hw[i])
  57                                 state->dirty |= (1ULL << i);
  58                 }
  59
  60                 screen->cur_pctx = nv30->pctx_id;
  61         }
  62
  63         for (i = 0, states = state->dirty; states; i++) {
  64                 if (!(states & (1ULL << i)))
  65                         continue;
  66                 so_ref (state->hw[i], &nv30->screen->state[i]);
  67                 if (state->hw[i])
  68                         so_emit(nv30->nvws, nv30->screen->state[i]);
  69                 states &= ~(1ULL << i);
  70         }
  71
  72         state->dirty = 0;
  73
  74         so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FB]);
  75         for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
  76                 if (!(samplers & (1 << i)))
  77                         continue;
  78                 so_emit_reloc_markers(nv30->nvws,
  79                                       state->hw[NV30_STATE_FRAGTEX0+i]);
  80                 samplers &= ~(1ULL << i);
  81         }
  82         so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FRAGPROG]);
  83         if (state->hw[NV30_STATE_VTXBUF] /*&& nv30->render_mode == HW*/)
  84                 so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_VTXBUF]);
  85 }
  86
  87 boolean
  88 nv30_state_validate(struct nv30_context *nv30)
  89 {
  90 #if 0
  91         boolean was_sw = nv30->fallback_swtnl ? TRUE : FALSE;
  92
  93         if (nv30->render_mode != HW) {
  94                 /* Don't even bother trying to go back to hw if none
  95                  * of the states that caused swtnl previously have changed.
  96                  */
  97                 if ((nv30->fallback_swtnl & nv30->dirty)
  98                                 != nv30->fallback_swtnl)
  99                         return FALSE;
 100
 101                 /* Attempt to go to hwtnl again */
 102                 nv30->pipe.flush(&nv30->pipe, 0, NULL);
 103                 nv30->dirty |= (NV30_NEW_VIEWPORT |
 104                                 NV30_NEW_VERTPROG |
 105                                 NV30_NEW_ARRAYS);
 106                 nv30->render_mode = HW;
 107         }
 108 #endif
 109         nv30_state_do_validate(nv30, render_states);
 110 #if 0
 111         if (nv30->fallback_swtnl || nv30->fallback_swrast)
 112                 return FALSE;
 113
 114         if (was_sw)
 115                 NOUVEAU_ERR("swtnl->hw\n");
 116 #endif
 117         return TRUE;
 118 }