src/gallium/drivers/nv30/nv30_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 "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
  14         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  15                 BEGIN_RING(rankine, 0x1fd8, 1);
  16                 OUT_RING  (2);
  17                 BEGIN_RING(rankine, 0x1fd8, 1);
  18                 OUT_RING  (1);
  19         }
  20
  21         FIRE_RING(fence);
  22 }
  23
  24 static void
  25 nv30_destroy(struct pipe_context *pipe)
  26 {
  27         struct nv30_context *nv30 = nv30_context(pipe);
  28         unsigned i;
  29
  30         for (i = 0; i < NV30_STATE_MAX; i++) {
  31                 if (nv30->state.hw[i])
  32                         so_ref(NULL, &nv30->state.hw[i]);
  33         }
  34
  35         if (nv30->draw)
  36                 draw_destroy(nv30->draw);
  37         FREE(nv30);
  38 }
  39
  40 struct pipe_context *
  41 nv30_create(struct pipe_screen *pscreen, unsigned pctx_id)
  42 {
  43         struct nv30_screen *screen = nv30_screen(pscreen);
  44         struct pipe_winsys *ws = pscreen->winsys;
  45         struct nv30_context *nv30;
  46         struct nouveau_winsys *nvws = screen->nvws;
  47
  48         nv30 = CALLOC(1, sizeof(struct nv30_context));
  49         if (!nv30)
  50                 return NULL;
  51         nv30->screen = screen;
  52         nv30->pctx_id = pctx_id;
  53
  54         nv30->nvws = nvws;
  55
  56         nv30->pipe.winsys = ws;
  57         nv30->pipe.screen = pscreen;
  58         nv30->pipe.destroy = nv30_destroy;
  59         nv30->pipe.draw_arrays = nv30_draw_arrays;
  60         nv30->pipe.draw_elements = nv30_draw_elements;
  61         nv30->pipe.clear = nv30_clear;
  62         nv30->pipe.flush = nv30_flush;
  63
  64         nv30->pipe.is_texture_referenced = nouveau_is_texture_referenced;
  65         nv30->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
  66
  67         screen->base.channel->user_private = nv30;
  68         screen->base.channel->flush_notify = nv30_state_flush_notify;
  69
  70         nv30_init_query_functions(nv30);
  71         nv30_init_surface_functions(nv30);
  72         nv30_init_state_functions(nv30);
  73
  74         /* Create, configure, and install fallback swtnl path */
  75         nv30->draw = draw_create();
  76         draw_wide_point_threshold(nv30->draw, 9999999.0);
  77         draw_wide_line_threshold(nv30->draw, 9999999.0);
  78         draw_enable_line_stipple(nv30->draw, FALSE);
  79         draw_enable_point_sprites(nv30->draw, FALSE);
  80         draw_set_rasterize_stage(nv30->draw, nv30_draw_render_stage(nv30));
  81
  82         return &nv30->pipe;
  83 }