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         if(nvfx->dummy_fs)
  37                 pipe->delete_fs_state(pipe, nvfx->dummy_fs);
  38
  39         for(unsigned i = 0; i < nvfx->vtxbuf_nr; ++i)
  40                 pipe_resource_reference(&nvfx->vtxbuf[i].buffer, 0);
  41         pipe_resource_reference(&nvfx->idxbuf.buffer, 0);
  42         util_unreference_framebuffer_state(&nvfx->framebuffer);
  43         for(unsigned i = 0; i < PIPE_MAX_SAMPLERS; ++i)
  44                 pipe_sampler_view_reference(&nvfx->fragment_sampler_views[i], 0);
  45
  46         if (nvfx->draw)
  47                 draw_destroy(nvfx->draw);
  48
  49         if(nvfx->screen->cur_ctx == nvfx)
  50                 nvfx->screen->cur_ctx = NULL;
  51
  52         FREE(nvfx);
  53 }
  54
  55 struct pipe_context *
  56 nvfx_create(struct pipe_screen *pscreen, void *priv)
  57 {
  58         struct nvfx_screen *screen = nvfx_screen(pscreen);
  59         struct pipe_winsys *ws = pscreen->winsys;
  60         struct nvfx_context *nvfx;
  61         struct nouveau_winsys *nvws = screen->nvws;
  62
  63         nvfx = CALLOC(1, sizeof(struct nvfx_context));
  64         if (!nvfx)
  65                 return NULL;
  66         nvfx->screen = screen;
  67
  68         nvfx->nvws = nvws;
  69
  70         nvfx->pipe.winsys = ws;
  71         nvfx->pipe.screen = pscreen;
  72         nvfx->pipe.priv = priv;
  73         nvfx->pipe.destroy = nvfx_destroy;
  74         nvfx->pipe.draw_vbo = nvfx_draw_vbo;
  75         nvfx->pipe.clear = nvfx_clear;
  76         nvfx->pipe.flush = nvfx_flush;
  77
  78         nvfx->is_nv4x = screen->is_nv4x;
  79         /* TODO: it seems that nv30 might have fixed function clipping usable with vertex programs
  80          * However, my code for that doesn't work, so use vp clipping for all cards, which works.
  81          */
  82         nvfx->use_vp_clipping = TRUE;
  83
  84         nvfx_init_query_functions(nvfx);
  85         nvfx_init_surface_functions(nvfx);
  86         nvfx_init_state_functions(nvfx);
  87         nvfx_init_sampling_functions(nvfx);
  88         nvfx_init_vbo_functions(nvfx);
  89         nvfx_init_fragprog_functions(nvfx);
  90         nvfx_init_vertprog_functions(nvfx);
  91         nvfx_init_resource_functions(&nvfx->pipe);
  92         nvfx_init_transfer_functions(&nvfx->pipe);
  93
  94         /* Create, configure, and install fallback swtnl path */
  95         nvfx->draw = draw_create(&nvfx->pipe);
  96         draw_wide_point_threshold(nvfx->draw, 9999999.0);
  97         draw_wide_line_threshold(nvfx->draw, 9999999.0);
  98         draw_enable_line_stipple(nvfx->draw, FALSE);
  99         draw_enable_point_sprites(nvfx->draw, FALSE);
 100         draw_set_rasterize_stage(nvfx->draw, nvfx_draw_render_stage(nvfx));
 101
 102         /* set these to that we init them on first validation */
 103         nvfx->state.scissor_enabled = ~0;
 104         nvfx->hw_pointsprite_control = -1;
 105         nvfx->hw_vp_output = -1;
 106         nvfx->use_vertex_buffers = -1;
 107         nvfx->relocs_needed = NVFX_RELOCATE_ALL;
 108
 109         LIST_INITHEAD(&nvfx->render_cache);
 110
 111         return &nvfx->pipe;
 112 }