src/gallium/drivers/nv40/nv40_context.c

   1 #include "draw/draw_context.h"
   2 #include "pipe/p_defines.h"
   3
   4 #include "nv40_context.h"
   5 #include "nv40_screen.h"
   6
   7 static void
   8 nv40_flush(struct pipe_context *pipe, unsigned flags,
   9            struct pipe_fence_handle **fence)
  10 {
  11         struct nv40_context *nv40 = nv40_context(pipe);
  12         struct nv40_screen *screen = nv40->screen;
  13         struct nouveau_channel *chan = screen->base.channel;
  14         struct nouveau_grobj *curie = screen->curie;
  15
  16         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  17                 BEGIN_RING(chan, curie, 0x1fd8, 1);
  18                 OUT_RING  (chan, 2);
  19                 BEGIN_RING(chan, curie, 0x1fd8, 1);
  20                 OUT_RING  (chan, 1);
  21         }
  22
  23         FIRE_RING(chan);
  24         if (fence)
  25                 *fence = NULL;
  26 }
  27
  28 static void
  29 nv40_destroy(struct pipe_context *pipe)
  30 {
  31         struct nv40_context *nv40 = nv40_context(pipe);
  32         unsigned i;
  33
  34         for (i = 0; i < NV40_STATE_MAX; i++) {
  35                 if (nv40->state.hw[i])
  36                         so_ref(NULL, &nv40->state.hw[i]);
  37         }
  38
  39         if (nv40->draw)
  40                 draw_destroy(nv40->draw);
  41         FREE(nv40);
  42 }
  43
  44 struct pipe_context *
  45 nv40_create(struct pipe_screen *pscreen, void *priv)
  46 {
  47         struct nv40_screen *screen = nv40_screen(pscreen);
  48         struct pipe_winsys *ws = pscreen->winsys;
  49         struct nv40_context *nv40;
  50         struct nouveau_winsys *nvws = screen->nvws;
  51
  52         nv40 = CALLOC(1, sizeof(struct nv40_context));
  53         if (!nv40)
  54                 return NULL;
  55         nv40->screen = screen;
  56
  57         nv40->nvws = nvws;
  58
  59         nv40->pipe.winsys = ws;
  60         nv40->pipe.priv = priv;
  61         nv40->pipe.screen = pscreen;
  62         nv40->pipe.destroy = nv40_destroy;
  63         nv40->pipe.draw_arrays = nv40_draw_arrays;
  64         nv40->pipe.draw_elements = nv40_draw_elements;
  65         nv40->pipe.clear = nv40_clear;
  66         nv40->pipe.flush = nv40_flush;
  67
  68         nv40->pipe.is_texture_referenced = nouveau_is_texture_referenced;
  69         nv40->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
  70
  71         screen->base.channel->user_private = nv40;
  72         screen->base.channel->flush_notify = nv40_state_flush_notify;
  73
  74         nv40_init_query_functions(nv40);
  75         nv40_init_surface_functions(nv40);
  76         nv40_init_state_functions(nv40);
  77
  78         /* Create, configure, and install fallback swtnl path */
  79         nv40->draw = draw_create();
  80         draw_wide_point_threshold(nv40->draw, 9999999.0);
  81         draw_wide_line_threshold(nv40->draw, 9999999.0);
  82         draw_enable_line_stipple(nv40->draw, FALSE);
  83         draw_enable_point_sprites(nv40->draw, FALSE);
  84         draw_set_rasterize_stage(nv40->draw, nv40_draw_render_stage(nv40));
  85
  86         return &nv40->pipe;
  87 }