src/gallium/drivers/nv30/nv30_context.c

   1 #include "draw/draw_context.h"
   2 #include "pipe/p_defines.h"
   3 #include "util/u_simple_screen.h"
   4
   5 #include "nv30_context.h"
   6 #include "nv30_screen.h"
   7
   8 static void
   9 nv30_flush(struct pipe_context *pipe, unsigned flags,
  10            struct pipe_fence_handle **fence)
  11 {
  12         struct nv30_context *nv30 = nv30_context(pipe);
  13         struct nv30_screen *screen = nv30->screen;
  14         struct nouveau_channel *chan = screen->base.channel;
  15         struct nouveau_grobj *rankine = screen->rankine;
  16
  17         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  18                 BEGIN_RING(chan, rankine, 0x1fd8, 1);
  19                 OUT_RING  (chan, 2);
  20                 BEGIN_RING(chan, rankine, 0x1fd8, 1);
  21                 OUT_RING  (chan, 1);
  22         }
  23
  24         FIRE_RING(chan);
  25         if (fence)
  26                 *fence = NULL;
  27 }
  28
  29 static void
  30 nv30_destroy(struct pipe_context *pipe)
  31 {
  32         struct nv30_context *nv30 = nv30_context(pipe);
  33         unsigned i;
  34
  35         for (i = 0; i < NV30_STATE_MAX; i++) {
  36                 if (nv30->state.hw[i])
  37                         so_ref(NULL, &nv30->state.hw[i]);
  38         }
  39
  40         if (nv30->draw)
  41                 draw_destroy(nv30->draw);
  42         FREE(nv30);
  43 }
  44
  45 struct pipe_context *
  46 nv30_create(struct pipe_screen *pscreen, unsigned pctx_id)
  47 {
  48         struct nv30_screen *screen = nv30_screen(pscreen);
  49         struct pipe_winsys *ws = pscreen->winsys;
  50         struct nv30_context *nv30;
  51         struct nouveau_winsys *nvws = screen->nvws;
  52
  53         nv30 = CALLOC(1, sizeof(struct nv30_context));
  54         if (!nv30)
  55                 return NULL;
  56         nv30->screen = screen;
  57         nv30->pctx_id = pctx_id;
  58
  59         nv30->nvws = nvws;
  60
  61         nv30->pipe.winsys = ws;
  62         nv30->pipe.screen = pscreen;
  63         nv30->pipe.destroy = nv30_destroy;
  64         nv30->pipe.draw_arrays = nv30_draw_arrays;
  65         nv30->pipe.draw_elements = nv30_draw_elements;
  66         nv30->pipe.clear = nv30_clear;
  67         nv30->pipe.flush = nv30_flush;
  68
  69         nv30->pipe.is_texture_referenced = nouveau_is_texture_referenced;
  70         nv30->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
  71
  72         screen->base.channel->user_private = nv30;
  73         screen->base.channel->flush_notify = nv30_state_flush_notify;
  74
  75         nv30_init_query_functions(nv30);
  76         nv30_init_surface_functions(nv30);
  77         nv30_init_state_functions(nv30);
  78
  79         /* Create, configure, and install fallback swtnl path */
  80         nv30->draw = draw_create();
  81         draw_wide_point_threshold(nv30->draw, 9999999.0);
  82         draw_wide_line_threshold(nv30->draw, 9999999.0);
  83         draw_enable_line_stipple(nv30->draw, FALSE);
  84         draw_enable_point_sprites(nv30->draw, FALSE);
  85         draw_set_rasterize_stage(nv30->draw, nv30_draw_render_stage(nv30));
  86
  87         return &nv30->pipe;
  88 }