src/gallium/drivers/nvfx/nvfx_context.c

   1 #include "draw/draw_context.h"
   2 #include "pipe/p_defines.h"
   3 #include "util/u_framebuffer.h"
   4
   5 #include "nvfx_context.h"
   6 #include "nvfx_screen.h"
   7 #include "nvfx_resource.h"
   8
   9 static void
  10 nvfx_flush(struct pipe_context *pipe, unsigned flags,
  11            struct pipe_fence_handle **fence)
  12 {
  13         struct nvfx_context *nvfx = nvfx_context(pipe);
  14         struct nvfx_screen *screen = nvfx->screen;
  15         struct nouveau_channel *chan = screen->base.channel;
  16         struct nouveau_grobj *eng3d = screen->eng3d;
  17
  18         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  19                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  20                 OUT_RING  (chan, 2);
  21                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  22                 OUT_RING  (chan, 1);
  23         }
  24
  25         FIRE_RING(chan);
  26         if (fence)
  27                 *fence = NULL;
  28 }
  29
  30 static void
  31 nvfx_destroy(struct pipe_context *pipe)
  32 {
  33         struct nvfx_context *nvfx = nvfx_context(pipe);
  34
  35         for(unsigned i = 0; i < nvfx->vtxbuf_nr; ++i)
  36                 pipe_resource_reference(&nvfx->vtxbuf[i].buffer, 0);
  37         pipe_resource_reference(&nvfx->idxbuf.buffer, 0);
  38         util_unreference_framebuffer_state(&nvfx->framebuffer);
  39         for(unsigned i = 0; i < PIPE_MAX_SAMPLERS; ++i)
  40                 pipe_sampler_view_reference(&nvfx->fragment_sampler_views[i], 0);
  41
  42         if (nvfx->draw)
  43                 draw_destroy(nvfx->draw);
  44         FREE(nvfx);
  45 }
  46
  47 struct pipe_context *
  48 nvfx_create(struct pipe_screen *pscreen, void *priv)
  49 {
  50         struct nvfx_screen *screen = nvfx_screen(pscreen);
  51         struct pipe_winsys *ws = pscreen->winsys;
  52         struct nvfx_context *nvfx;
  53         struct nouveau_winsys *nvws = screen->nvws;
  54
  55         nvfx = CALLOC(1, sizeof(struct nvfx_context));
  56         if (!nvfx)
  57                 return NULL;
  58         nvfx->screen = screen;
  59
  60         nvfx->nvws = nvws;
  61
  62         nvfx->pipe.winsys = ws;
  63         nvfx->pipe.screen = pscreen;
  64         nvfx->pipe.priv = priv;
  65         nvfx->pipe.destroy = nvfx_destroy;
  66         nvfx->pipe.draw_vbo = nvfx_draw_vbo;
  67         nvfx->pipe.clear = nvfx_clear;
  68         nvfx->pipe.flush = nvfx_flush;
  69
  70         screen->base.channel->user_private = nvfx;
  71
  72         nvfx->is_nv4x = screen->is_nv4x;
  73
  74         nvfx_init_query_functions(nvfx);
  75         nvfx_init_surface_functions(nvfx);
  76         nvfx_init_state_functions(nvfx);
  77         nvfx_init_resource_functions(&nvfx->pipe);
  78
  79         /* Create, configure, and install fallback swtnl path */
  80         nvfx->draw = draw_create(&nvfx->pipe);
  81         draw_wide_point_threshold(nvfx->draw, 9999999.0);
  82         draw_wide_line_threshold(nvfx->draw, 9999999.0);
  83         draw_enable_line_stipple(nvfx->draw, FALSE);
  84         draw_enable_point_sprites(nvfx->draw, FALSE);
  85         draw_set_rasterize_stage(nvfx->draw, nvfx_draw_render_stage(nvfx));
  86
  87         /* set these to that we init them on first validation */
  88         nvfx->state.scissor_enabled = ~0;
  89         nvfx->state.stipple_enabled = ~0;
  90         return &nvfx->pipe;
  91 }