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_blend,
  10         &nv30_state_blend_colour,
  11         &nv30_state_zsa,
  12         &nv30_state_viewport,
  13         NULL
  14 };
  15
  16 static void
  17 nv30_state_do_validate(struct nv30_context *nv30,
  18                        struct nv30_state_entry **states)
  19 {
  20         const struct pipe_framebuffer_state *fb = &nv30->framebuffer;
  21         unsigned i;
  22
  23         for (i = 0; i < fb->num_cbufs; i++)
  24                 fb->cbufs[i]->status = PIPE_SURFACE_STATUS_DEFINED;
  25         if (fb->zsbuf)
  26                 fb->zsbuf->status = PIPE_SURFACE_STATUS_DEFINED;
  27
  28         while (*states) {
  29                 struct nv30_state_entry *e = *states;
  30
  31                 if (nv30->dirty & e->dirty.pipe) {
  32                         if (e->validate(nv30)) {
  33                                 nv30->state.dirty |= (1ULL << e->dirty.hw);
  34                         }
  35                 }
  36
  37                 states++;
  38         }
  39
  40 /*      TODO: uncomment when finished converting
  41         nv30->dirty = 0;
  42 */
  43 }
  44
  45 void
  46 nv30_emit_hw_state(struct nv30_context *nv30)
  47 {
  48         struct nv30_state *state = &nv30->state;
  49         struct nv30_screen *screen = nv30->screen;
  50         unsigned i;
  51         uint64 states;
  52
  53         if (nv30->pctx_id != screen->cur_pctx) {
  54                 for (i = 0; i < NV30_STATE_MAX; i++) {
  55                         if (state->hw[i] && screen->state[i] != state->hw[i])
  56                                 state->dirty |= (1ULL << i);
  57                 }
  58
  59                 screen->cur_pctx = nv30->pctx_id;
  60         }
  61
  62         for (i = 0, states = state->dirty; states; i++) {
  63                 if (!(states & (1ULL << i)))
  64                         continue;
  65                 so_ref (state->hw[i], &nv30->screen->state[i]);
  66                 if (state->hw[i])
  67                         so_emit(nv30->nvws, nv30->screen->state[i]);
  68                 states &= ~(1ULL << i);
  69         }
  70
  71         if (nv30->dirty & NV30_NEW_FRAGPROG) {
  72                 nv30_fragprog_bind(nv30, nv30->fragprog.current);
  73                 /*XXX: clear NV30_NEW_FRAGPROG if no new program uploaded */
  74         }
  75
  76         if (nv30->dirty_samplers || (nv30->dirty & NV30_NEW_FRAGPROG)) {
  77                 nv30_fragtex_bind(nv30);
  78 /*
  79                 BEGIN_RING(rankine, NV34TCL_TX_CACHE_CTL, 1);
  80                 OUT_RING  (2);
  81                 BEGIN_RING(rankine, NV34TCL_TX_CACHE_CTL, 1);
  82                 OUT_RING  (1);*/
  83                 nv30->dirty &= ~NV30_NEW_FRAGPROG;
  84         }
  85
  86         if (nv30->dirty & NV30_NEW_VERTPROG) {
  87                 nv30_vertprog_bind(nv30, nv30->vertprog.current);
  88                 nv30->dirty &= ~NV30_NEW_VERTPROG;
  89         }
  90
  91         nv30->dirty_samplers = 0;
  92
  93         so_emit_reloc_markers(nv30->nvws, state->hw[NV30_STATE_FB]);
  94
  95         /* Texture images, emitted in nv30_fragtex_build */
  96 #if 0
  97         for (i = 0; i < 16; i++) {
  98                 if (!(nv30->fp_samplers & (1 << i)))
  99                         continue;
 100                 BEGIN_RING(rankine, NV34TCL_TX_OFFSET(i), 2);
 101                 OUT_RELOCl(nv30->tex[i].buffer, 0, NOUVEAU_BO_VRAM |
 102                            NOUVEAU_BO_GART | NOUVEAU_BO_RD);
 103                 OUT_RELOCd(nv30->tex[i].buffer, nv30->tex[i].format,
 104                            NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD |
 105                            NOUVEAU_BO_OR, NV34TCL_TX_FORMAT_DMA0,
 106                            NV34TCL_TX_FORMAT_DMA1);
 107         }
 108 #endif
 109
 110         /* Fragment program */
 111         BEGIN_RING(rankine, NV34TCL_FP_ACTIVE_PROGRAM, 1);
 112         OUT_RELOC (nv30->fragprog.active->buffer, 0, NOUVEAU_BO_VRAM |
 113                    NOUVEAU_BO_GART | NOUVEAU_BO_RD | NOUVEAU_BO_LOW |
 114                    NOUVEAU_BO_OR, NV34TCL_FP_ACTIVE_PROGRAM_DMA0,
 115                    NV34TCL_FP_ACTIVE_PROGRAM_DMA1);
 116 }
 117
 118 boolean
 119 nv30_state_validate(struct nv30_context *nv30)
 120 {
 121 #if 0
 122         boolean was_sw = nv30->fallback_swtnl ? TRUE : FALSE;
 123
 124         if (nv30->render_mode != HW) {
 125                 /* Don't even bother trying to go back to hw if none
 126                  * of the states that caused swtnl previously have changed.
 127                  */
 128                 if ((nv30->fallback_swtnl & nv30->dirty)
 129                                 != nv30->fallback_swtnl)
 130                         return FALSE;
 131
 132                 /* Attempt to go to hwtnl again */
 133                 nv30->pipe.flush(&nv30->pipe, 0, NULL);
 134                 nv30->dirty |= (NV30_NEW_VIEWPORT |
 135                                 NV30_NEW_VERTPROG |
 136                                 NV30_NEW_ARRAYS);
 137                 nv30->render_mode = HW;
 138         }
 139 #endif
 140         nv30_state_do_validate(nv30, render_states);
 141 #if 0
 142         if (nv30->fallback_swtnl || nv30->fallback_swrast)
 143                 return FALSE;
 144
 145         if (was_sw)
 146                 NOUVEAU_ERR("swtnl->hw\n");
 147 #endif
 148         return TRUE;
 149 }