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         struct nv40_screen *screen = nv40->screen;
  14         struct nouveau_channel *chan = screen->base.channel;
  15         struct nouveau_grobj *curie = screen->curie;
  16
  17         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  18                 BEGIN_RING(chan, curie, 0x1fd8, 1);
  19                 OUT_RING  (chan, 2);
  20                 BEGIN_RING(chan, curie, 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 nv40_destroy(struct pipe_context *pipe)
  31 {
  32         struct nv40_context *nv40 = nv40_context(pipe);
  33         unsigned i;
  34
  35         for (i = 0; i < NV40_STATE_MAX; i++) {
  36                 if (nv40->state.hw[i])
  37                         so_ref(NULL, &nv40->state.hw[i]);
  38         }
  39
  40         if (nv40->draw)
  41                 draw_destroy(nv40->draw);
  42         FREE(nv40);
  43 }
  44
  45 struct pipe_context *
  46 nv40_create(struct pipe_screen *pscreen, unsigned pctx_id)
  47 {
  48         struct nv40_screen *screen = nv40_screen(pscreen);
  49         struct pipe_winsys *ws = pscreen->winsys;
  50         struct nv40_context *nv40;
  51         struct nouveau_winsys *nvws = screen->nvws;
  52
  53         nv40 = CALLOC(1, sizeof(struct nv40_context));
  54         if (!nv40)
  55                 return NULL;
  56         nv40->screen = screen;
  57         nv40->pctx_id = pctx_id;
  58
  59         nv40->nvws = nvws;
  60
  61         nv40->pipe.winsys = ws;
  62         nv40->pipe.screen = pscreen;
  63         nv40->pipe.destroy = nv40_destroy;
  64         nv40->pipe.draw_arrays = nv40_draw_arrays;
  65         nv40->pipe.draw_elements = nv40_draw_elements;
  66         nv40->pipe.clear = nv40_clear;
  67         nv40->pipe.flush = nv40_flush;
  68
  69         nv40->pipe.is_texture_referenced = nouveau_is_texture_referenced;
  70         nv40->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
  71
  72         screen->base.channel->user_private = nv40;
  73         screen->base.channel->flush_notify = nv40_state_flush_notify;
  74
  75         nv40_init_query_functions(nv40);
  76         nv40_init_surface_functions(nv40);
  77         nv40_init_state_functions(nv40);
  78
  79         /* Create, configure, and install fallback swtnl path */
  80         nv40->draw = draw_create();
  81         draw_wide_point_threshold(nv40->draw, 9999999.0);
  82         draw_wide_line_threshold(nv40->draw, 9999999.0);
  83         draw_enable_line_stipple(nv40->draw, FALSE);
  84         draw_enable_point_sprites(nv40->draw, FALSE);
  85         draw_set_rasterize_stage(nv40->draw, nv40_draw_render_stage(nv40));
  86
  87         return &nv40->pipe;
  88 }