src/gallium/drivers/nv30/nv30_context.c

   1 #include "draw/draw_context.h"
   2 #include "pipe/p_defines.h"
   3 #include "pipe/p_winsys.h"
   4 #include "pipe/p_util.h"
   5
   6 #include "nv30_context.h"
   7 #include "nv30_screen.h"
   8
   9 static void
  10 nv30_flush(struct pipe_context *pipe, unsigned flags,
  11            struct pipe_fence_handle **fence)
  12 {
  13         struct nv30_context *nv30 = nv30_context(pipe);
  14
  15         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  16                 BEGIN_RING(rankine, 0x1fd8, 1);
  17                 OUT_RING  (2);
  18                 BEGIN_RING(rankine, 0x1fd8, 1);
  19                 OUT_RING  (1);
  20         }
  21
  22         FIRE_RING(fence);
  23 }
  24
  25 static void
  26 nv30_destroy(struct pipe_context *pipe)
  27 {
  28         struct nv30_context *nv30 = nv30_context(pipe);
  29
  30         if (nv30->draw)
  31                 draw_destroy(nv30->draw);
  32         FREE(nv30);
  33 }
  34
  35 struct pipe_context *
  36 nv30_create(struct pipe_screen *pscreen, unsigned pctx_id)
  37 {
  38         struct nv30_screen *screen = nv30_screen(pscreen);
  39         struct pipe_winsys *ws = pscreen->winsys;
  40         struct nv30_context *nv30;
  41         struct nouveau_winsys *nvws = screen->nvws;
  42
  43         nv30 = CALLOC(1, sizeof(struct nv30_context));
  44         if (!nv30)
  45                 return NULL;
  46         nv30->screen = screen;
  47         nv30->pctx_id = pctx_id;
  48
  49         nv30->nvws = nvws;
  50
  51         nv30->pipe.winsys = ws;
  52         nv30->pipe.screen = pscreen;
  53         nv30->pipe.destroy = nv30_destroy;
  54         nv30->pipe.draw_arrays = nv30_draw_arrays;
  55         nv30->pipe.draw_elements = nv30_draw_elements;
  56         nv30->pipe.clear = nv30_clear;
  57         nv30->pipe.flush = nv30_flush;
  58
  59         nv30_init_query_functions(nv30);
  60         nv30_init_surface_functions(nv30);
  61         nv30_init_state_functions(nv30);
  62
  63         /* Create, configure, and install fallback swtnl path */
  64         nv30->draw = draw_create();
  65         draw_wide_point_threshold(nv30->draw, 9999999.0);
  66         draw_wide_line_threshold(nv30->draw, 9999999.0);
  67         draw_enable_line_stipple(nv30->draw, FALSE);
  68         draw_enable_point_sprites(nv30->draw, FALSE);
  69         draw_set_rasterize_stage(nv30->draw, nv30_draw_render_stage(nv30));
  70
  71         return &nv30->pipe;
  72 }
  73