src/gallium/drivers/nvfx/nvfx_fragtex.c

   1 #include "nvfx_context.h"
   2 #include "nvfx_resource.h"
   3
   4 void
   5 nvfx_fragtex_validate(struct nvfx_context *nvfx)
   6 {
   7         struct nouveau_channel* chan = nvfx->screen->base.channel;
   8         unsigned samplers, unit;
   9
  10         samplers = nvfx->dirty_samplers;
  11         if(!samplers)
  12                 return;
  13
  14         while (samplers) {
  15                 unit = ffs(samplers) - 1;
  16                 samplers &= ~(1 << unit);
  17
  18                 if(nvfx->fragment_sampler_views[unit] && nvfx->tex_sampler[unit]) {
  19                         if(!nvfx->is_nv4x)
  20                                 nv30_fragtex_set(nvfx, unit);
  21                         else
  22                                 nv40_fragtex_set(nvfx, unit);
  23                 } else {
  24                         WAIT_RING(chan, 2);
  25                         /* this is OK for nv40 too */
  26                         OUT_RING(chan, RING_3D(NV34TCL_TX_ENABLE(unit), 1));
  27                         OUT_RING(chan, 0);
  28                         nvfx->hw_samplers &= ~(1 << unit);
  29                 }
  30         }
  31         nvfx->dirty_samplers = 0;
  32 }
  33
  34 void
  35 nvfx_fragtex_relocate(struct nvfx_context *nvfx)
  36 {
  37         struct nouveau_channel* chan = nvfx->screen->base.channel;
  38         unsigned samplers, unit;
  39         unsigned tex_flags = NOUVEAU_BO_VRAM | NOUVEAU_BO_GART | NOUVEAU_BO_RD;
  40
  41         samplers = nvfx->hw_samplers;
  42         while (samplers) {
  43                 struct nvfx_miptree* mt;
  44                 struct nouveau_bo *bo;
  45
  46                 unit = ffs(samplers) - 1;
  47                 samplers &= ~(1 << unit);
  48
  49                 mt = (struct nvfx_miptree*)nvfx->fragment_sampler_views[unit]->texture;
  50                 bo = mt->base.bo;
  51
  52                 MARK_RING(chan, 3, 3);
  53                 OUT_RELOC(chan, bo, RING_3D(NV34TCL_TX_OFFSET(unit), 2), tex_flags | NOUVEAU_BO_DUMMY, 0, 0);
  54                 OUT_RELOC(chan, bo, 0, tex_flags | NOUVEAU_BO_LOW | NOUVEAU_BO_DUMMY, 0, 0);
  55                 OUT_RELOC(chan, bo, nvfx->hw_txf[unit], tex_flags | NOUVEAU_BO_OR | NOUVEAU_BO_DUMMY,
  56                                 NV34TCL_TX_FORMAT_DMA0, NV34TCL_TX_FORMAT_DMA1);
  57         }
  58 }