src/gallium/drivers/nvfx/nvfx_context.c

   1 #include "draw/draw_context.h"
   2 #include "pipe/p_defines.h"
   3
   4 #include "nvfx_context.h"
   5 #include "nvfx_screen.h"
   6
   7 static void
   8 nvfx_flush(struct pipe_context *pipe, unsigned flags,
   9            struct pipe_fence_handle **fence)
  10 {
  11         struct nvfx_context *nvfx = nvfx_context(pipe);
  12         struct nvfx_screen *screen = nvfx->screen;
  13         struct nouveau_channel *chan = screen->base.channel;
  14         struct nouveau_grobj *eng3d = screen->eng3d;
  15
  16         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  17                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  18                 OUT_RING  (chan, 2);
  19                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  20                 OUT_RING  (chan, 1);
  21         }
  22
  23         FIRE_RING(chan);
  24         if (fence)
  25                 *fence = NULL;
  26 }
  27
  28 static void
  29 nvfx_destroy(struct pipe_context *pipe)
  30 {
  31         struct nvfx_context *nvfx = nvfx_context(pipe);
  32         unsigned i;
  33
  34         for (i = 0; i < NVFX_STATE_MAX; i++) {
  35                 if (nvfx->state.hw[i])
  36                         so_ref(NULL, &nvfx->state.hw[i]);
  37         }
  38
  39         if (nvfx->draw)
  40                 draw_destroy(nvfx->draw);
  41         FREE(nvfx);
  42 }
  43
  44 struct pipe_context *
  45 nvfx_create(struct pipe_screen *pscreen, void *priv)
  46 {
  47         struct nvfx_screen *screen = nvfx_screen(pscreen);
  48         struct pipe_winsys *ws = pscreen->winsys;
  49         struct nvfx_context *nvfx;
  50         struct nouveau_winsys *nvws = screen->nvws;
  51
  52         nvfx = CALLOC(1, sizeof(struct nvfx_context));
  53         if (!nvfx)
  54                 return NULL;
  55         nvfx->screen = screen;
  56
  57         nvfx->nvws = nvws;
  58
  59         nvfx->pipe.winsys = ws;
  60         nvfx->pipe.screen = pscreen;
  61         nvfx->pipe.priv = priv;
  62         nvfx->pipe.destroy = nvfx_destroy;
  63         nvfx->pipe.draw_arrays = nvfx_draw_arrays;
  64         nvfx->pipe.draw_elements = nvfx_draw_elements;
  65         nvfx->pipe.clear = nvfx_clear;
  66         nvfx->pipe.flush = nvfx_flush;
  67
  68         nvfx->pipe.is_texture_referenced = nouveau_is_texture_referenced;
  69         nvfx->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
  70
  71         screen->base.channel->user_private = nvfx;
  72         screen->base.channel->flush_notify = nvfx_state_flush_notify;
  73
  74         nvfx->is_nv4x = screen->is_nv4x;
  75
  76         nvfx_init_query_functions(nvfx);
  77         nvfx_init_surface_functions(nvfx);
  78         nvfx_init_state_functions(nvfx);
  79         nvfx_init_transfer_functions(nvfx);
  80
  81         /* Create, configure, and install fallback swtnl path */
  82         nvfx->draw = draw_create();
  83         draw_wide_point_threshold(nvfx->draw, 9999999.0);
  84         draw_wide_line_threshold(nvfx->draw, 9999999.0);
  85         draw_enable_line_stipple(nvfx->draw, FALSE);
  86         draw_enable_point_sprites(nvfx->draw, FALSE);
  87         draw_set_rasterize_stage(nvfx->draw, nvfx_draw_render_stage(nvfx));
  88
  89         return &nvfx->pipe;
  90 }