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         /* XXX: we need to actually be intelligent here */
  19         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  20                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  21                 OUT_RING  (chan, 2);
  22                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  23                 OUT_RING  (chan, 1);
  24         }
  25
  26         FIRE_RING(chan);
  27         if (fence)
  28                 *fence = NULL;
  29 }
  30
  31 static void
  32 nvfx_destroy(struct pipe_context *pipe)
  33 {
  34         struct nvfx_context *nvfx = nvfx_context(pipe);
  35
  36         for(unsigned i = 0; i < nvfx->vtxbuf_nr; ++i)
  37                 pipe_resource_reference(&nvfx->vtxbuf[i].buffer, 0);
  38         pipe_resource_reference(&nvfx->idxbuf.buffer, 0);
  39         util_unreference_framebuffer_state(&nvfx->framebuffer);
  40         for(unsigned i = 0; i < PIPE_MAX_SAMPLERS; ++i)
  41                 pipe_sampler_view_reference(&nvfx->fragment_sampler_views[i], 0);
  42
  43         if (nvfx->draw)
  44                 draw_destroy(nvfx->draw);
  45         FREE(nvfx);
  46 }
  47
  48 struct pipe_context *
  49 nvfx_create(struct pipe_screen *pscreen, void *priv)
  50 {
  51         struct nvfx_screen *screen = nvfx_screen(pscreen);
  52         struct pipe_winsys *ws = pscreen->winsys;
  53         struct nvfx_context *nvfx;
  54         struct nouveau_winsys *nvws = screen->nvws;
  55
  56         nvfx = CALLOC(1, sizeof(struct nvfx_context));
  57         if (!nvfx)
  58                 return NULL;
  59         nvfx->screen = screen;
  60
  61         nvfx->nvws = nvws;
  62
  63         nvfx->pipe.winsys = ws;
  64         nvfx->pipe.screen = pscreen;
  65         nvfx->pipe.priv = priv;
  66         nvfx->pipe.destroy = nvfx_destroy;
  67         nvfx->pipe.draw_vbo = nvfx_draw_vbo;
  68         nvfx->pipe.clear = nvfx_clear;
  69         nvfx->pipe.flush = nvfx_flush;
  70
  71         screen->base.channel->user_private = nvfx;
  72
  73         nvfx->is_nv4x = screen->is_nv4x;
  74
  75         nvfx_init_query_functions(nvfx);
  76         nvfx_init_surface_functions(nvfx);
  77         nvfx_init_state_functions(nvfx);
  78         nvfx_init_sampling_functions(nvfx);
  79         nvfx_init_vbo_functions(nvfx);
  80         nvfx_init_fragprog_functions(nvfx);
  81         nvfx_init_vertprog_functions(nvfx);
  82         nvfx_init_resource_functions(&nvfx->pipe);
  83         nvfx_init_transfer_functions(&nvfx->pipe);
  84
  85         /* Create, configure, and install fallback swtnl path */
  86         nvfx->draw = draw_create(&nvfx->pipe);
  87         draw_wide_point_threshold(nvfx->draw, 9999999.0);
  88         draw_wide_line_threshold(nvfx->draw, 9999999.0);
  89         draw_enable_line_stipple(nvfx->draw, FALSE);
  90         draw_enable_point_sprites(nvfx->draw, FALSE);
  91         draw_set_rasterize_stage(nvfx->draw, nvfx_draw_render_stage(nvfx));
  92
  93         /* set these to that we init them on first validation */
  94         nvfx->state.scissor_enabled = ~0;
  95         nvfx->hw_pointsprite_control = -1;
  96         nvfx->hw_vp_output = -1;
  97         nvfx->use_vertex_buffers = -1;
  98
  99         LIST_INITHEAD(&nvfx->render_cache);
 100
 101         return &nvfx->pipe;
 102 }