workbench/libs/mesa/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,
  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         /* XXX This flag wasn't set by the state tracker anyway. */
  20         /*if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  21                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  22                 OUT_RING(chan, 2);
  23                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  24                 OUT_RING(chan, 1);
  25         }*/
  26
  27         if (fence) {
  28                 /* horrific hack to make glFinish() work in the absence of
  29                  * having proper fences in nvfx.  a pending rewrite will
  30                  * fix this properly, but may be a while off.
  31                  */
  32                 MARK_RING(chan, 1, 1);
  33                 OUT_RELOC(chan, screen->fence, 0, NOUVEAU_BO_WR |
  34                                 NOUVEAU_BO_DUMMY, 0, 0);
  35                 FIRE_RING(chan);
  36                 nouveau_bo_map(screen->fence, NOUVEAU_BO_RDWR);
  37                 nouveau_bo_unmap(screen->fence);
  38                 *fence = NULL;
  39         } else {
  40                 FIRE_RING(chan);
  41         }
  42 }
  43
  44 static void
  45 nvfx_destroy(struct pipe_context *pipe)
  46 {
  47         struct nvfx_context *nvfx = nvfx_context(pipe);
  48
  49         if(nvfx->dummy_fs)
  50                 pipe->delete_fs_state(pipe, nvfx->dummy_fs);
  51
  52         for(unsigned i = 0; i < nvfx->vtxbuf_nr; ++i)
  53                 pipe_resource_reference(&nvfx->vtxbuf[i].buffer, 0);
  54         pipe_resource_reference(&nvfx->idxbuf.buffer, 0);
  55         util_unreference_framebuffer_state(&nvfx->framebuffer);
  56         for(unsigned i = 0; i < PIPE_MAX_SAMPLERS; ++i)
  57                 pipe_sampler_view_reference(&nvfx->fragment_sampler_views[i], 0);
  58
  59         if (nvfx->draw)
  60                 draw_destroy(nvfx->draw);
  61
  62         if(nvfx->screen->cur_ctx == nvfx)
  63                 nvfx->screen->cur_ctx = NULL;
  64
  65         FREE(nvfx);
  66 }
  67
  68 struct pipe_context *
  69 nvfx_create(struct pipe_screen *pscreen, void *priv)
  70 {
  71         struct nvfx_screen *screen = nvfx_screen(pscreen);
  72         struct pipe_winsys *ws = pscreen->winsys;
  73         struct nvfx_context *nvfx;
  74         struct nouveau_winsys *nvws = screen->nvws;
  75
  76         nvfx = CALLOC(1, sizeof(struct nvfx_context));
  77         if (!nvfx)
  78                 return NULL;
  79         nvfx->screen = screen;
  80
  81         nvfx->nvws = nvws;
  82
  83         nvfx->pipe.winsys = ws;
  84         nvfx->pipe.screen = pscreen;
  85         nvfx->pipe.priv = priv;
  86         nvfx->pipe.destroy = nvfx_destroy;
  87         nvfx->pipe.draw_vbo = nvfx_draw_vbo;
  88         nvfx->pipe.clear = nvfx_clear;
  89         nvfx->pipe.flush = nvfx_flush;
  90
  91         nvfx->is_nv4x = screen->is_nv4x;
  92         nvfx->use_nv4x = screen->use_nv4x;
  93         /* TODO: it seems that nv30 might have fixed function clipping usable with vertex programs
  94          * However, my code for that doesn't work, so use vp clipping for all cards, which works.
  95          */
  96         nvfx->use_vp_clipping = TRUE;
  97
  98         nvfx_init_query_functions(nvfx);
  99         nvfx_init_surface_functions(nvfx);
 100         nvfx_init_state_functions(nvfx);
 101         nvfx_init_sampling_functions(nvfx);
 102         nvfx_init_vbo_functions(nvfx);
 103         nvfx_init_fragprog_functions(nvfx);
 104         nvfx_init_vertprog_functions(nvfx);
 105         nvfx_init_resource_functions(&nvfx->pipe);
 106         nvfx_init_transfer_functions(&nvfx->pipe);
 107
 108         /* Create, configure, and install fallback swtnl path */
 109         nvfx->draw = draw_create(&nvfx->pipe);
 110         draw_wide_point_threshold(nvfx->draw, 9999999.0);
 111         draw_wide_line_threshold(nvfx->draw, 9999999.0);
 112         draw_enable_line_stipple(nvfx->draw, FALSE);
 113         draw_enable_point_sprites(nvfx->draw, FALSE);
 114         draw_set_rasterize_stage(nvfx->draw, nvfx_draw_render_stage(nvfx));
 115
 116         /* set these to that we init them on first validation */
 117         nvfx->state.scissor_enabled = ~0;
 118         nvfx->hw_pointsprite_control = -1;
 119         nvfx->hw_vp_output = -1;
 120         nvfx->use_vertex_buffers = -1;
 121         nvfx->relocs_needed = NVFX_RELOCATE_ALL;
 122
 123         LIST_INITHEAD(&nvfx->render_cache);
 124
 125         return &nvfx->pipe;
 126 }