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         unsigned i;
  29
  30         for (i = 0; i < NV40_STATE_MAX; i++) {
  31                 if (nv40->state.hw[i])
  32                         so_ref(NULL, &nv40->state.hw[i]);
  33         }
  34
  35         if (nv40->draw)
  36                 draw_destroy(nv40->draw);
  37         FREE(nv40);
  38 }
  39
  40 struct pipe_context *
  41 nv40_create(struct pipe_screen *pscreen, unsigned pctx_id)
  42 {
  43         struct nv40_screen *screen = nv40_screen(pscreen);
  44         struct pipe_winsys *ws = pscreen->winsys;
  45         struct nv40_context *nv40;
  46         struct nouveau_winsys *nvws = screen->nvws;
  47
  48         nv40 = CALLOC(1, sizeof(struct nv40_context));
  49         if (!nv40)
  50                 return NULL;
  51         nv40->screen = screen;
  52         nv40->pctx_id = pctx_id;
  53
  54         nv40->nvws = nvws;
  55
  56         nv40->pipe.winsys = ws;
  57         nv40->pipe.screen = pscreen;
  58         nv40->pipe.destroy = nv40_destroy;
  59         nv40->pipe.draw_arrays = nv40_draw_arrays;
  60         nv40->pipe.draw_elements = nv40_draw_elements;
  61         nv40->pipe.clear = nv40_clear;
  62         nv40->pipe.flush = nv40_flush;
  63
  64         nv40->pipe.is_texture_referenced = nouveau_is_texture_referenced;
  65         nv40->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
  66
  67         screen->base.channel->user_private = nv40;
  68         screen->base.channel->flush_notify = nv40_state_flush_notify;
  69
  70         nv40_init_query_functions(nv40);
  71         nv40_init_surface_functions(nv40);
  72         nv40_init_state_functions(nv40);
  73
  74         /* Create, configure, and install fallback swtnl path */
  75         nv40->draw = draw_create();
  76         draw_wide_point_threshold(nv40->draw, 9999999.0);
  77         draw_wide_line_threshold(nv40->draw, 9999999.0);
  78         draw_enable_line_stipple(nv40->draw, FALSE);
  79         draw_enable_point_sprites(nv40->draw, FALSE);
  80         draw_set_rasterize_stage(nv40->draw, nv40_draw_render_stage(nv40));
  81
  82         return &nv40->pipe;
  83 }