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         const struct pipe_framebuffer_state *fb = &nv40->framebuffer;
  42         unsigned i;
  43
  44         for (i = 0; i < fb->num_cbufs; i++)
  45                 fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
  46         if (fb->zsbuf)
  47                 fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
  48
  49         while (*states) {
  50                 struct nv40_state_entry *e = *states;
  51
  52                 if (nv40->dirty & e->dirty.pipe) {
  53                         if (e->validate(nv40))
  54                                 nv40->state.dirty |= (1ULL << e->dirty.hw);
  55                 }
  56
  57                 states++;
  58         }
  59         nv40->dirty = 0;
  60 }
  61
  62 void
  63 nv40_state_emit(struct nv40_context *nv40)
  64 {
  65         struct nv40_state *state = &nv40->state;
  66         struct nv40_screen *screen = nv40->screen;
  67         unsigned i, samplers;
  68         uint64_t states;
  69
  70         if (nv40->pctx_id != screen->cur_pctx) {
  71                 for (i = 0; i < NV40_STATE_MAX; i++) {
  72                         if (state->hw[i] && screen->state[i] != state->hw[i])
  73                                 state->dirty |= (1ULL << i);
  74                 }
  75
  76                 screen->cur_pctx = nv40->pctx_id;
  77         }
  78
  79         for (i = 0, states = state->dirty; states; i++) {
  80                 if (!(states & (1ULL << i)))
  81                         continue;
  82                 so_ref (state->hw[i], &nv40->screen->state[i]);
  83                 if (state->hw[i])
  84                         so_emit(nv40->nvws, nv40->screen->state[i]);
  85                 states &= ~(1ULL << i);
  86         }
  87
  88         if (state->dirty & ((1ULL << NV40_STATE_FRAGPROG) |
  89                             (1ULL << NV40_STATE_FRAGTEX0))) {
  90                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  91                 OUT_RING  (2);
  92                 BEGIN_RING(curie, NV40TCL_TEX_CACHE_CTL, 1);
  93                 OUT_RING  (1);
  94         }
  95
  96         state->dirty = 0;
  97
  98         so_emit_reloc_markers(nv40->nvws, state->hw[NV40_STATE_FB]);
  99         for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
 100                 if (!(samplers & (1 << i)))
 101                         continue;
 102                 so_emit_reloc_markers(nv40->nvws,
 103                                       state->hw[NV40_STATE_FRAGTEX0+i]);
 104                 samplers &= ~(1ULL << i);
 105         }
 106         so_emit_reloc_markers(nv40->nvws, state->hw[NV40_STATE_FRAGPROG]);
 107         if (state->hw[NV40_STATE_VTXBUF] && nv40->render_mode == HW)
 108                 so_emit_reloc_markers(nv40->nvws, state->hw[NV40_STATE_VTXBUF]);
 109 }
 110
 111 boolean
 112 nv40_state_validate(struct nv40_context *nv40)
 113 {
 114         boolean was_sw = nv40->fallback_swtnl ? TRUE : FALSE;
 115
 116         if (nv40->render_mode != HW) {
 117                 /* Don't even bother trying to go back to hw if none
 118                  * of the states that caused swtnl previously have changed.
 119                  */
 120                 if ((nv40->fallback_swtnl & nv40->dirty)
 121                                 != nv40->fallback_swtnl)
 122                         return FALSE;
 123
 124                 /* Attempt to go to hwtnl again */
 125                 nv40->pipe.flush(&nv40->pipe, 0, NULL);
 126                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 127                                 NV40_NEW_VERTPROG |
 128                                 NV40_NEW_ARRAYS);
 129                 nv40->render_mode = HW;
 130         }
 131
 132         nv40_state_do_validate(nv40, render_states);
 133         if (nv40->fallback_swtnl || nv40->fallback_swrast)
 134                 return FALSE;
 135
 136         if (was_sw)
 137                 NOUVEAU_ERR("swtnl->hw\n");
 138
 139         return TRUE;
 140 }
 141
 142 boolean
 143 nv40_state_validate_swtnl(struct nv40_context *nv40)
 144 {
 145         struct draw_context *draw = nv40->draw;
 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, NULL);
 151                 nv40->dirty |= (NV40_NEW_VIEWPORT |
 152                                 NV40_NEW_VERTPROG |
 153                                 NV40_NEW_ARRAYS);
 154                 nv40->render_mode = SWTNL;
 155         }
 156
 157         if (nv40->draw_dirty & NV40_NEW_VERTPROG)
 158                 draw_bind_vertex_shader(draw, nv40->vertprog->draw);
 159
 160         if (nv40->draw_dirty & NV40_NEW_RAST)
 161                 draw_set_rasterizer_state(draw, &nv40->rasterizer->pipe);
 162
 163         if (nv40->draw_dirty & NV40_NEW_UCP)
 164                 draw_set_clip_state(draw, &nv40->clip);
 165
 166         if (nv40->draw_dirty & NV40_NEW_VIEWPORT)
 167                 draw_set_viewport_state(draw, &nv40->viewport);
 168
 169         if (nv40->draw_dirty & NV40_NEW_ARRAYS) {
 170                 draw_set_edgeflags(draw, nv40->edgeflags);
 171                 draw_set_vertex_buffers(draw, nv40->vtxbuf_nr, nv40->vtxbuf);
 172                 draw_set_vertex_elements(draw, nv40->vtxelt_nr, nv40->vtxelt);
 173         }
 174
 175         nv40_state_do_validate(nv40, swtnl_states);
 176         if (nv40->fallback_swrast) {
 177                 NOUVEAU_ERR("swtnl->swrast 0x%08x\n", nv40->fallback_swrast);
 178                 return FALSE;
 179         }
 180
 181         nv40->draw_dirty = 0;
 182         return TRUE;
 183 }
 184