src/gallium/drivers/nv40/nv40_context.c

   1 #include "draw/draw_context.h"
   2 #include "pipe/p_defines.h"
   3 #include "pipe/internal/p_winsys_screen.h"
   4
   5 #include "nv40_context.h"
   6 #include "nv40_screen.h"
   7
   8 static void
   9 nv40_flush(struct pipe_context *pipe, unsigned flags,
  10            struct pipe_fence_handle **fence)
  11 {
  12         struct nv40_context *nv40 = nv40_context(pipe);
  13
  14         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  15                 BEGIN_RING(curie, 0x1fd8, 1);
  16                 OUT_RING  (2);
  17                 BEGIN_RING(curie, 0x1fd8, 1);
  18                 OUT_RING  (1);
  19         }
  20
  21         FIRE_RING(fence);
  22 }
  23
  24 static void
  25 nv40_destroy(struct pipe_context *pipe)
  26 {
  27         struct nv40_context *nv40 = nv40_context(pipe);
  28
  29         if (nv40->draw)
  30                 draw_destroy(nv40->draw);
  31         FREE(nv40);
  32 }
  33
  34 struct pipe_context *
  35 nv40_create(struct pipe_screen *pscreen, unsigned pctx_id)
  36 {
  37         struct nv40_screen *screen = nv40_screen(pscreen);
  38         struct pipe_winsys *ws = pscreen->winsys;
  39         struct nv40_context *nv40;
  40         struct nouveau_winsys *nvws = screen->nvws;
  41
  42         nv40 = CALLOC(1, sizeof(struct nv40_context));
  43         if (!nv40)
  44                 return NULL;
  45         nv40->screen = screen;
  46         nv40->pctx_id = pctx_id;
  47
  48         nv40->nvws = nvws;
  49
  50         nv40->pipe.winsys = ws;
  51         nv40->pipe.screen = pscreen;
  52         nv40->pipe.destroy = nv40_destroy;
  53         nv40->pipe.draw_arrays = nv40_draw_arrays;
  54         nv40->pipe.draw_elements = nv40_draw_elements;
  55         nv40->pipe.clear = nv40_clear;
  56         nv40->pipe.flush = nv40_flush;
  57
  58         nv40_init_query_functions(nv40);
  59         nv40_init_surface_functions(nv40);
  60         nv40_init_state_functions(nv40);
  61
  62         /* Create, configure, and install fallback swtnl path */
  63         nv40->draw = draw_create();
  64         draw_wide_point_threshold(nv40->draw, 9999999.0);
  65         draw_wide_line_threshold(nv40->draw, 9999999.0);
  66         draw_enable_line_stipple(nv40->draw, FALSE);
  67         draw_enable_point_sprites(nv40->draw, FALSE);
  68         draw_set_rasterize_stage(nv40->draw, nv40_draw_render_stage(nv40));
  69
  70         return &nv40->pipe;
  71 }
  72