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