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 nouveau_channel *chan = nv40->screen->base.channel;
  58         struct nv40_state *state = &nv40->state;
  59         struct nv40_screen *screen = nv40->screen;
  60         unsigned i, samplers;
  61         uint64_t states;
  62
  63         if (nv40->pctx_id != screen->cur_pctx) {
  64                 for (i = 0; i < NV40_STATE_MAX; i++) {
  65                         if (state->hw[i] && screen->state[i] != state->hw[i])
  66                                 state->dirty |= (1ULL << i);
  67                 }
  68
  69                 screen->cur_pctx = nv40->pctx_id;
  70         }
  71
  72         for (i = 0, states = state->dirty; states; i++) {
  73                 if (!(states & (1ULL << i)))
  74                         continue;
  75                 so_ref (state->hw[i], &nv40->screen->state[i]);
  76                 if (state->hw[i])
  77                         so_emit(chan, nv40->screen->state[i]);
  78                 states &= ~(1ULL << i);
  79         }
  80
  81         if (state->dirty & ((1ULL << NV40_STATE_FRAGPROG) |
  82                             (1ULL << NV40_STATE_FRAGTEX0))) {
  83                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  84                 OUT_RING  (2);
  85                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  86                 OUT_RING  (1);
  87         }
  88
  89         state->dirty = 0;
  90
  91         so_emit_reloc_markers(chan, state->hw[NV40_STATE_FB]);
  92         for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
  93                 if (!(samplers & (1 << i)))
  94                         continue;
  95                 so_emit_reloc_markers(chan,
  96                                       state->hw[NV40_STATE_FRAGTEX0+i]);
  97                 samplers &= ~(1ULL << i);
  98         }
  99         so_emit_reloc_markers(chan, state->hw[NV40_STATE_FRAGPROG]);
 100         if (state->hw[NV40_STATE_VTXBUF] && nv40->render_mode == HW)
 101                 so_emit_reloc_markers(chan, state->hw[NV40_STATE_VTXBUF]);
 102 }
 103
 104 boolean
 105 nv40_state_validate(struct nv40_context *nv40)
 106 {
 107         boolean was_sw = nv40->fallback_swtnl ? TRUE : FALSE;
 108
 109         if (nv40->render_mode != HW) {
 110                 /* Don't even bother trying to go back to hw if none
 111                  * of the states that caused swtnl previously have changed.
 112                  */
 113                 if ((nv40->fallback_swtnl & nv40->dirty)
 114                                 != nv40->fallback_swtnl)
 115                         return FALSE;
 116
 117                 /* Attempt to go to hwtnl again */
 118                 nv40->pipe.flush(&nv40->pipe, 0, NULL);
 119                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 120                                 NV40_NEW_VERTPROG |
 121                                 NV40_NEW_ARRAYS);
 122                 nv40->render_mode = HW;
 123         }
 124
 125         nv40_state_do_validate(nv40, render_states);
 126         if (nv40->fallback_swtnl || nv40->fallback_swrast)
 127                 return FALSE;
 128
 129         if (was_sw)
 130                 NOUVEAU_ERR("swtnl->hw\n");
 131
 132         return TRUE;
 133 }
 134
 135 boolean
 136 nv40_state_validate_swtnl(struct nv40_context *nv40)
 137 {
 138         struct draw_context *draw = nv40->draw;
 139
 140         /* Setup for swtnl */
 141         if (nv40->render_mode == HW) {
 142                 NOUVEAU_ERR("hw->swtnl 0x%08x\n", nv40->fallback_swtnl);
 143                 nv40->pipe.flush(&nv40->pipe, 0, NULL);
 144                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 145                                 NV40_NEW_VERTPROG |
 146                                 NV40_NEW_ARRAYS);
 147                 nv40->render_mode = SWTNL;
 148         }
 149
 150         if (nv40->draw_dirty & NV40_NEW_VERTPROG)
 151                 draw_bind_vertex_shader(draw, nv40->vertprog->draw);
 152
 153         if (nv40->draw_dirty & NV40_NEW_RAST)
 154                 draw_set_rasterizer_state(draw, &nv40->rasterizer->pipe);
 155
 156         if (nv40->draw_dirty & NV40_NEW_UCP)
 157                 draw_set_clip_state(draw, &nv40->clip);
 158
 159         if (nv40->draw_dirty & NV40_NEW_VIEWPORT)
 160                 draw_set_viewport_state(draw, &nv40->viewport);
 161
 162         if (nv40->draw_dirty & NV40_NEW_ARRAYS) {
 163                 draw_set_edgeflags(draw, nv40->edgeflags);
 164                 draw_set_vertex_buffers(draw, nv40->vtxbuf_nr, nv40->vtxbuf);
 165                 draw_set_vertex_elements(draw, nv40->vtxelt_nr, nv40->vtxelt);
 166         }
 167
 168         nv40_state_do_validate(nv40, swtnl_states);
 169         if (nv40->fallback_swrast) {
 170                 NOUVEAU_ERR("swtnl->swrast 0x%08x\n", nv40->fallback_swrast);
 171                 return FALSE;
 172         }
 173
 174         nv40->draw_dirty = 0;
 175         return TRUE;
 176 }
 177