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_scissor,
   9         &nv40_state_stipple,
  10         &nv40_state_fragprog,
  11         &nv40_state_fragtex,
  12         &nv40_state_vertprog,
  13         &nv40_state_blend,
  14         &nv40_state_blend_colour,
  15         &nv40_state_zsa,
  16         &nv40_state_viewport,
  17         &nv40_state_vbo,
  18         NULL
  19 };
  20
  21 static struct nv40_state_entry *swtnl_states[] = {
  22         &nv40_state_framebuffer,
  23         &nv40_state_rasterizer,
  24         &nv40_state_scissor,
  25         &nv40_state_stipple,
  26         &nv40_state_fragprog,
  27         &nv40_state_fragtex,
  28         &nv40_state_vertprog,
  29         &nv40_state_blend,
  30         &nv40_state_blend_colour,
  31         &nv40_state_zsa,
  32         &nv40_state_viewport,
  33         &nv40_state_vtxfmt,
  34         NULL
  35 };
  36
  37 static void
  38 nv40_state_do_validate(struct nv40_context *nv40,
  39                        struct nv40_state_entry **states)
  40 {
  41         while (*states) {
  42                 struct nv40_state_entry *e = *states;
  43
  44                 if (nv40->dirty & e->dirty.pipe) {
  45                         if (e->validate(nv40))
  46                                 nv40->state.dirty |= (1ULL << e->dirty.hw);
  47                 }
  48
  49                 states++;
  50         }
  51         nv40->dirty = 0;
  52 }
  53
  54 void
  55 nv40_state_emit(struct nv40_context *nv40)
  56 {
  57         struct nv40_state *state = &nv40->state;
  58         struct nv40_screen *screen = nv40->screen;
  59         struct nouveau_channel *chan = screen->base.channel;
  60         struct nouveau_grobj *curie = screen->curie;
  61         unsigned i;
  62         uint64_t states;
  63
  64         if (nv40->pctx_id != screen->cur_pctx) {
  65                 for (i = 0; i < NV40_STATE_MAX; i++) {
  66                         if (state->hw[i] && screen->state[i] != state->hw[i])
  67                                 state->dirty |= (1ULL << i);
  68                 }
  69
  70                 screen->cur_pctx = nv40->pctx_id;
  71         }
  72
  73         for (i = 0, states = state->dirty; states; i++) {
  74                 if (!(states & (1ULL << i)))
  75                         continue;
  76                 so_ref (state->hw[i], &nv40->screen->state[i]);
  77                 if (state->hw[i])
  78                         so_emit(chan, nv40->screen->state[i]);
  79                 states &= ~(1ULL << i);
  80         }
  81
  82         if (state->dirty & ((1ULL << NV40_STATE_FRAGPROG) |
  83                             (1ULL << NV40_STATE_FRAGTEX0))) {
  84                 BEGIN_RING(chan, curie, NV40TCL_TEX_CACHE_CTL, 1);
  85                 OUT_RING  (chan, 2);
  86                 BEGIN_RING(chan, curie, NV40TCL_TEX_CACHE_CTL, 1);
  87                 OUT_RING  (chan, 1);
  88         }
  89
  90         state->dirty = 0;
  91 }
  92
  93 void
  94 nv40_state_flush_notify(struct nouveau_channel *chan)
  95 {
  96         struct nv40_context *nv40 = chan->user_private;
  97         struct nv40_state *state = &nv40->state;
  98         unsigned i, samplers;
  99
 100         so_emit_reloc_markers(chan, state->hw[NV40_STATE_FB]);
 101         for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
 102                 if (!(samplers & (1 << i)))
 103                         continue;
 104                 so_emit_reloc_markers(chan,
 105                                       state->hw[NV40_STATE_FRAGTEX0+i]);
 106                 samplers &= ~(1ULL << i);
 107         }
 108         so_emit_reloc_markers(chan, state->hw[NV40_STATE_FRAGPROG]);
 109         if (state->hw[NV40_STATE_VTXBUF] && nv40->render_mode == HW)
 110                 so_emit_reloc_markers(chan, state->hw[NV40_STATE_VTXBUF]);
 111 }
 112
 113 boolean
 114 nv40_state_validate(struct nv40_context *nv40)
 115 {
 116         boolean was_sw = nv40->fallback_swtnl ? TRUE : FALSE;
 117
 118         if (nv40->render_mode != HW) {
 119                 /* Don't even bother trying to go back to hw if none
 120                  * of the states that caused swtnl previously have changed.
 121                  */
 122                 if ((nv40->fallback_swtnl & nv40->dirty)
 123                                 != nv40->fallback_swtnl)
 124                         return FALSE;
 125
 126                 /* Attempt to go to hwtnl again */
 127                 nv40->pipe.flush(&nv40->pipe, 0, NULL);
 128                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 129                                 NV40_NEW_VERTPROG |
 130                                 NV40_NEW_ARRAYS);
 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         struct draw_context *draw = nv40->draw;
 148
 149         /* Setup for swtnl */
 150         if (nv40->render_mode == HW) {
 151                 NOUVEAU_ERR("hw->swtnl 0x%08x\n", nv40->fallback_swtnl);
 152                 nv40->pipe.flush(&nv40->pipe, 0, NULL);
 153                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 154                                 NV40_NEW_VERTPROG |
 155                                 NV40_NEW_ARRAYS);
 156                 nv40->render_mode = SWTNL;
 157         }
 158
 159         if (nv40->draw_dirty & NV40_NEW_VERTPROG)
 160                 draw_bind_vertex_shader(draw, nv40->vertprog->draw);
 161
 162         if (nv40->draw_dirty & NV40_NEW_RAST)
 163                 draw_set_rasterizer_state(draw, &nv40->rasterizer->pipe);
 164
 165         if (nv40->draw_dirty & NV40_NEW_UCP)
 166                 draw_set_clip_state(draw, &nv40->clip);
 167
 168         if (nv40->draw_dirty & NV40_NEW_VIEWPORT)
 169                 draw_set_viewport_state(draw, &nv40->viewport);
 170
 171         if (nv40->draw_dirty & NV40_NEW_ARRAYS) {
 172                 draw_set_vertex_buffers(draw, nv40->vtxbuf_nr, nv40->vtxbuf);
 173                 draw_set_vertex_elements(draw, nv40->vtxelt_nr, nv40->vtxelt);
 174         }
 175
 176         nv40_state_do_validate(nv40, swtnl_states);
 177         if (nv40->fallback_swrast) {
 178                 NOUVEAU_ERR("swtnl->swrast 0x%08x\n", nv40->fallback_swrast);
 179                 return FALSE;
 180         }
 181
 182         nv40->draw_dirty = 0;
 183         return TRUE;
 184 }
 185