src/gallium/drivers/nv40/nv40_state_emit.c

   1 #include "nv40_context.h"
   2 #include "nv40_state.h"
   3 #include "draw/draw_context.h"
   4
   5 static struct nv40_state_entry *render_states[] = {
   6         &nv40_state_framebuffer,
   7         &nv40_state_rasterizer,
   8         &nv40_state_clip,
   9         &nv40_state_scissor,
  10         &nv40_state_stipple,
  11         &nv40_state_fragprog,
  12         &nv40_state_fragtex,
  13         &nv40_state_vertprog,
  14         &nv40_state_blend,
  15         &nv40_state_blend_colour,
  16         &nv40_state_zsa,
  17         &nv40_state_viewport,
  18         &nv40_state_vbo,
  19         NULL
  20 };
  21
  22 static struct nv40_state_entry *swtnl_states[] = {
  23         &nv40_state_framebuffer,
  24         &nv40_state_rasterizer,
  25         &nv40_state_clip,
  26         &nv40_state_scissor,
  27         &nv40_state_stipple,
  28         &nv40_state_fragprog,
  29         &nv40_state_fragtex,
  30         &nv40_state_vertprog,
  31         &nv40_state_blend,
  32         &nv40_state_blend_colour,
  33         &nv40_state_zsa,
  34         &nv40_state_viewport,
  35         &nv40_state_vtxfmt,
  36         NULL
  37 };
  38
  39 static void
  40 nv40_state_do_validate(struct nv40_context *nv40,
  41                        struct nv40_state_entry **states)
  42 {
  43         const struct pipe_framebuffer_state *fb = &nv40->framebuffer;
  44         unsigned i;
  45
  46         for (i = 0; i < fb->num_cbufs; i++)
  47                 fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
  48         if (fb->zsbuf)
  49                 fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
  50
  51         while (*states) {
  52                 struct nv40_state_entry *e = *states;
  53
  54                 if (nv40->dirty & e->dirty.pipe) {
  55                         if (e->validate(nv40))
  56                                 nv40->state.dirty |= (1ULL << e->dirty.hw);
  57                 }
  58
  59                 states++;
  60         }
  61         nv40->dirty = 0;
  62 }
  63
  64 void
  65 nv40_state_emit(struct nv40_context *nv40)
  66 {
  67         struct nv40_state *state = &nv40->state;
  68         struct nv40_screen *screen = nv40->screen;
  69         unsigned i, samplers;
  70         uint64 states;
  71
  72         if (nv40->pctx_id != screen->cur_pctx) {
  73                 for (i = 0; i < NV40_STATE_MAX; i++) {
  74                         if (state->hw[i] && screen->state[i] != state->hw[i])
  75                                 state->dirty |= (1ULL << i);
  76                 }
  77
  78                 screen->cur_pctx = nv40->pctx_id;
  79         }
  80
  81         for (i = 0, states = state->dirty; states; i++) {
  82                 if (!(states & (1ULL << i)))
  83                         continue;
  84                 so_ref (state->hw[i], &nv40->screen->state[i]);
  85                 so_emit(nv40->nvws, nv40->screen->state[i]);
  86                 states &= ~(1ULL << i);
  87         }
  88
  89         if (state->dirty & ((1ULL << NV40_STATE_FRAGPROG) |
  90                             (1ULL << NV40_STATE_FRAGTEX0))) {
  91                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  92                 OUT_RING  (2);
  93                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  94                 OUT_RING  (1);
  95         }
  96
  97         state->dirty = 0;
  98
  99         so_emit_reloc_markers(nv40->nvws, state->hw[NV40_STATE_FB]);
 100         for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
 101                 if (!(samplers & (1 << i)))
 102                         continue;
 103                 so_emit_reloc_markers(nv40->nvws,
 104                                       state->hw[NV40_STATE_FRAGTEX0+i]);
 105                 samplers &= ~(1ULL << i);
 106         }
 107         so_emit_reloc_markers(nv40->nvws, state->hw[NV40_STATE_FRAGPROG]);
 108         if (state->hw[NV40_STATE_VTXBUF] && nv40->render_mode == HW)
 109                 so_emit_reloc_markers(nv40->nvws, state->hw[NV40_STATE_VTXBUF]);
 110 }
 111
 112 boolean
 113 nv40_state_validate(struct nv40_context *nv40)
 114 {
 115         boolean was_sw = nv40->fallback_swtnl ? TRUE : FALSE;
 116
 117         if (nv40->render_mode != HW) {
 118                 /* Don't even bother trying to go back to hw if none
 119                  * of the states that caused swtnl previously have changed.
 120                  */
 121                 if ((nv40->fallback_swtnl & nv40->dirty)
 122                                 != nv40->fallback_swtnl)
 123                         return FALSE;
 124
 125                 /* Attempt to go to hwtnl again */
 126                 nv40->pipe.flush(&nv40->pipe, 0);
 127                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 128                                 NV40_NEW_VERTPROG |
 129                                 NV40_NEW_ARRAYS |
 130                                 NV40_NEW_UCP);
 131                 nv40->render_mode = HW;
 132         }
 133
 134         nv40_state_do_validate(nv40, render_states);
 135         if (nv40->fallback_swtnl || nv40->fallback_swrast)
 136                 return FALSE;
 137
 138         if (was_sw)
 139                 NOUVEAU_ERR("swtnl->hw\n");
 140
 141         return TRUE;
 142 }
 143
 144 boolean
 145 nv40_state_validate_swtnl(struct nv40_context *nv40)
 146 {
 147         /* Setup for swtnl */
 148         if (nv40->render_mode == HW) {
 149                 NOUVEAU_ERR("hw->swtnl 0x%08x\n", nv40->fallback_swtnl);
 150                 nv40->pipe.flush(&nv40->pipe, 0);
 151                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 152                                 NV40_NEW_VERTPROG |
 153                                 NV40_NEW_ARRAYS |
 154                                 NV40_NEW_UCP);
 155                 nv40->render_mode = SWTNL;
 156         }
 157
 158         nv40_state_do_validate(nv40, swtnl_states);
 159         if (nv40->fallback_swrast) {
 160                 NOUVEAU_ERR("swtnl->swrast 0x%08x\n", nv40->fallback_swrast);
 161                 return FALSE;
 162         }
 163
 164         return TRUE;
 165 }
 166