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 #include "vl/vl_decoder.h"
   5 #include "vl/vl_video_buffer.h"
   6
   7 #include "nvfx_context.h"
   8 #include "nvfx_screen.h"
   9 #include "nvfx_resource.h"
  10
  11 static void
  12 nvfx_flush(struct pipe_context *pipe,
  13            struct pipe_fence_handle **fence)
  14 {
  15         struct nvfx_context *nvfx = nvfx_context(pipe);
  16         struct nvfx_screen *screen = nvfx->screen;
  17         struct nouveau_channel *chan = screen->base.channel;
  18         /*struct nouveau_grobj *eng3d = screen->eng3d;*/
  19
  20         /* XXX: we need to actually be intelligent here */
  21         /* XXX This flag wasn't set by the state tracker anyway. */
  22         /*if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  23                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  24                 OUT_RING(chan, 2);
  25                 BEGIN_RING(chan, eng3d, 0x1fd8, 1);
  26                 OUT_RING(chan, 1);
  27         }*/
  28
  29         if (fence) {
  30                 /* horrific hack to make glFinish() work in the absence of
  31                  * having proper fences in nvfx.  a pending rewrite will
  32                  * fix this properly, but may be a while off.
  33                  */
  34                 MARK_RING(chan, 1, 1);
  35                 OUT_RELOC(chan, screen->fence, 0, NOUVEAU_BO_WR |
  36                                 NOUVEAU_BO_DUMMY, 0, 0);
  37                 FIRE_RING(chan);
  38                 nouveau_bo_map(screen->fence, NOUVEAU_BO_RDWR);
  39                 nouveau_bo_unmap(screen->fence);
  40                 *fence = NULL;
  41         } else {
  42                 FIRE_RING(chan);
  43         }
  44 }
  45
  46 static void
  47 nvfx_destroy(struct pipe_context *pipe)
  48 {
  49         struct nvfx_context *nvfx = nvfx_context(pipe);
  50
  51         if(nvfx->dummy_fs)
  52                 pipe->delete_fs_state(pipe, nvfx->dummy_fs);
  53
  54         for(unsigned i = 0; i < nvfx->vtxbuf_nr; ++i)
  55                 pipe_resource_reference(&nvfx->vtxbuf[i].buffer, 0);
  56         pipe_resource_reference(&nvfx->idxbuf.buffer, 0);
  57         util_unreference_framebuffer_state(&nvfx->framebuffer);
  58         for(unsigned i = 0; i < PIPE_MAX_SAMPLERS; ++i)
  59                 pipe_sampler_view_reference(&nvfx->fragment_sampler_views[i], 0);
  60
  61         if (nvfx->draw)
  62                 draw_destroy(nvfx->draw);
  63
  64         if(nvfx->screen->cur_ctx == nvfx)
  65                 nvfx->screen->cur_ctx = NULL;
  66
  67         FREE(nvfx);
  68 }
  69
  70 struct pipe_context *
  71 nvfx_create(struct pipe_screen *pscreen, void *priv)
  72 {
  73         struct nvfx_screen *screen = nvfx_screen(pscreen);
  74         struct pipe_winsys *ws = pscreen->winsys;
  75         struct nvfx_context *nvfx;
  76         struct nouveau_winsys *nvws = screen->nvws;
  77
  78         nvfx = CALLOC(1, sizeof(struct nvfx_context));
  79         if (!nvfx)
  80                 return NULL;
  81         nvfx->screen = screen;
  82
  83         nvfx->nvws = nvws;
  84
  85         nvfx->pipe.winsys = ws;
  86         nvfx->pipe.screen = pscreen;
  87         nvfx->pipe.priv = priv;
  88         nvfx->pipe.destroy = nvfx_destroy;
  89         nvfx->pipe.draw_vbo = nvfx_draw_vbo;
  90         nvfx->pipe.clear = nvfx_clear;
  91         nvfx->pipe.flush = nvfx_flush;
  92
  93         nvfx->pipe.create_video_decoder = vl_create_decoder;
  94         nvfx->pipe.create_video_buffer = vl_video_buffer_create;
  95
  96         nvfx->is_nv4x = screen->is_nv4x;
  97         nvfx->use_nv4x = screen->use_nv4x;
  98         /* TODO: it seems that nv30 might have fixed function clipping usable with vertex programs
  99          * However, my code for that doesn't work, so use vp clipping for all cards, which works.
 100          */
 101         nvfx->use_vp_clipping = TRUE;
 102
 103         nvfx_init_query_functions(nvfx);
 104         nvfx_init_surface_functions(nvfx);
 105         nvfx_init_state_functions(nvfx);
 106         nvfx_init_sampling_functions(nvfx);
 107         nvfx_init_vbo_functions(nvfx);
 108         nvfx_init_fragprog_functions(nvfx);
 109         nvfx_init_vertprog_functions(nvfx);
 110         nvfx_init_resource_functions(&nvfx->pipe);
 111         nvfx_init_transfer_functions(&nvfx->pipe);
 112
 113         /* Create, configure, and install fallback swtnl path */
 114         nvfx->draw = draw_create(&nvfx->pipe);
 115         draw_wide_point_threshold(nvfx->draw, 9999999.0);
 116         draw_wide_line_threshold(nvfx->draw, 9999999.0);
 117         draw_enable_line_stipple(nvfx->draw, FALSE);
 118         draw_enable_point_sprites(nvfx->draw, FALSE);
 119         draw_set_rasterize_stage(nvfx->draw, nvfx_draw_render_stage(nvfx));
 120
 121         /* set these to that we init them on first validation */
 122         nvfx->state.scissor_enabled = ~0;
 123         nvfx->hw_pointsprite_control = -1;
 124         nvfx->hw_vp_output = -1;
 125         nvfx->use_vertex_buffers = -1;
 126         nvfx->relocs_needed = NVFX_RELOCATE_ALL;
 127
 128         LIST_INITHEAD(&nvfx->render_cache);
 129
 130         return &nvfx->pipe;
 131 }