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_fragtex,
  10         &nv30_state_blend,
  11         &nv30_state_blend_colour,
  12         &nv30_state_zsa,
  13         &nv30_state_viewport,
  14         NULL
  15 };
  16
  17 static void
  18 nv30_state_do_validate(struct nv30_context *nv30,
  19                        struct nv30_state_entry **states)
  20 {
  21         const struct pipe_framebuffer_state *fb = &nv30->framebuffer;
  22         unsigned i;
  23
  24         for (i = 0; i < fb->num_cbufs; i++)
  25                 fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
  26         if (fb->zsbuf)
  27                 fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
  28
  29         while (*states) {
  30                 struct nv30_state_entry *e = *states;
  31
  32                 if (nv30->dirty & e->dirty.pipe) {
  33                         if (e->validate(nv30)) {
  34                                 nv30->state.dirty |= (1ULL << e->dirty.hw);
  35                         }
  36                 }
  37
  38                 states++;
  39         }
  40
  41 /*      TODO: uncomment when finished converting
  42         nv30->dirty = 0;
  43 */
  44 }
  45
  46 void
  47 nv30_emit_hw_state(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 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         if (nv30->dirty & NV30_NEW_FRAGPROG) {
  64                 nv30_fragprog_bind(nv30, nv30->fragprog.current);
  65                 /*XXX: clear NV30_NEW_FRAGPROG if no new program uploaded */
  66         }
  67
  68         for (i = 0, states = state->dirty; states; i++) {
  69                 if (!(states & (1ULL << i)))
  70                         continue;
  71                 so_ref (state->hw[i], &nv30->screen->state[i]);
  72                 if (state->hw[i])
  73                         so_emit(nv30->nvws, nv30->screen->state[i]);
  74                 states &= ~(1ULL << i);
  75         }
  76
  77         if (nv30->dirty & NV30_NEW_VERTPROG) {
  78                 nv30_vertprog_bind(nv30, nv30->vertprog.current);
  79                 nv30->dirty &= ~NV30_NEW_VERTPROG;
  80         }
  81
  82         so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FB]);
  83         for (i = 0, samplers = state->fp_samplers; i < 16 && samplers; i++) {
  84                 if (!(samplers & (1 << i)))
  85                         continue;
  86                 so_emit_reloc_markers(nv30->nvws,
  87                                       state->hw[NV30_STATE_FRAGTEX0+i]);
  88                 samplers &= ~(1ULL << i);
  89         }
  90
  91         /* Fragment program */
  92         BEGIN_RING(rankine, NV34TCL_FP_ACTIVE_PROGRAM, 1);
  93         OUT_RELOC (nv30->fragprog.active->buffer, 0, NOUVEAU_BO_VRAM |
  94                    NOUVEAU_BO_GART | NOUVEAU_BO_RD | NOUVEAU_BO_LOW |
  95                    NOUVEAU_BO_OR, NV34TCL_FP_ACTIVE_PROGRAM_DMA0,
  96                    NV34TCL_FP_ACTIVE_PROGRAM_DMA1);
  97 }
  98
  99 boolean
 100 nv30_state_validate(struct nv30_context *nv30)
 101 {
 102 #if 0
 103         boolean was_sw = nv30->fallback_swtnl ? TRUE : FALSE;
 104
 105         if (nv30->render_mode != HW) {
 106                 /* Don't even bother trying to go back to hw if none
 107                  * of the states that caused swtnl previously have changed.
 108                  */
 109                 if ((nv30->fallback_swtnl & nv30->dirty)
 110                                 != nv30->fallback_swtnl)
 111                         return FALSE;
 112
 113                 /* Attempt to go to hwtnl again */
 114                 nv30->pipe.flush(&nv30->pipe, 0, NULL);
 115                 nv30->dirty |= (NV30_NEW_VIEWPORT |
 116                                 NV30_NEW_VERTPROG |
 117                                 NV30_NEW_ARRAYS);
 118                 nv30->render_mode = HW;
 119         }
 120 #endif
 121         nv30_state_do_validate(nv30, render_states);
 122 #if 0
 123         if (nv30->fallback_swtnl || nv30->fallback_swrast)
 124                 return FALSE;
 125
 126         if (was_sw)
 127                 NOUVEAU_ERR("swtnl->hw\n");
 128 #endif
 129         return TRUE;
 130 }