src/gallium/drivers/nv50/nv50_context.c

   1 /*
   2  * Copyright 2008 Ben Skeggs
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  18  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  19  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  20  * SOFTWARE.
  21  */
  22
  23 #include "draw/draw_context.h"
  24 #include "pipe/p_defines.h"
  25 #include "pipe/internal/p_winsys_screen.h"
  26
  27 #include "nv50_context.h"
  28 #include "nv50_screen.h"
  29
  30 static void
  31 nv50_flush(struct pipe_context *pipe, unsigned flags,
  32            struct pipe_fence_handle **fence)
  33 {
  34         struct nv50_context *nv50 = nv50_context(pipe);
  35         struct nouveau_channel *chan = nv50->screen->base.channel;
  36
  37         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  38                 BEGIN_RING(chan, nv50->screen->tesla, 0x1338, 1);
  39                 OUT_RING  (chan, 0x20);
  40         }
  41
  42         if (flags & PIPE_FLUSH_FRAME)
  43                 FIRE_RING(chan);
  44 }
  45
  46 static void
  47 nv50_destroy(struct pipe_context *pipe)
  48 {
  49         struct nv50_context *nv50 = nv50_context(pipe);
  50
  51         if (nv50->state.fb)
  52                 so_ref(NULL, &nv50->state.fb);
  53         if (nv50->state.blend)
  54                 so_ref(NULL, &nv50->state.blend);
  55         if (nv50->state.blend_colour)
  56                 so_ref(NULL, &nv50->state.blend_colour);
  57         if (nv50->state.zsa)
  58                 so_ref(NULL, &nv50->state.zsa);
  59         if (nv50->state.rast)
  60                 so_ref(NULL, &nv50->state.rast);
  61         if (nv50->state.stipple)
  62                 so_ref(NULL, &nv50->state.stipple);
  63         if (nv50->state.scissor)
  64                 so_ref(NULL, &nv50->state.scissor);
  65         if (nv50->state.viewport)
  66                 so_ref(NULL, &nv50->state.viewport);
  67         if (nv50->state.tsc_upload)
  68                 so_ref(NULL, &nv50->state.tsc_upload);
  69         if (nv50->state.tic_upload)
  70                 so_ref(NULL, &nv50->state.tic_upload);
  71         if (nv50->state.vertprog)
  72                 so_ref(NULL, &nv50->state.vertprog);
  73         if (nv50->state.fragprog)
  74                 so_ref(NULL, &nv50->state.fragprog);
  75         if (nv50->state.geomprog)
  76                 so_ref(NULL, &nv50->state.geomprog);
  77         if (nv50->state.fp_linkage)
  78                 so_ref(NULL, &nv50->state.fp_linkage);
  79         if (nv50->state.gp_linkage)
  80                 so_ref(NULL, &nv50->state.gp_linkage);
  81         if (nv50->state.vtxfmt)
  82                 so_ref(NULL, &nv50->state.vtxfmt);
  83         if (nv50->state.vtxbuf)
  84                 so_ref(NULL, &nv50->state.vtxbuf);
  85         if (nv50->state.vtxattr)
  86                 so_ref(NULL, &nv50->state.vtxattr);
  87
  88         draw_destroy(nv50->draw);
  89
  90         if (nv50->screen->cur_ctx == nv50)
  91                 nv50->screen->cur_ctx = NULL;
  92
  93         FREE(nv50);
  94 }
  95
  96
  97 struct pipe_context *
  98 nv50_create(struct pipe_screen *pscreen, unsigned pctx_id)
  99 {
 100         struct pipe_winsys *pipe_winsys = pscreen->winsys;
 101         struct nv50_screen *screen = nv50_screen(pscreen);
 102         struct nv50_context *nv50;
 103
 104         nv50 = CALLOC_STRUCT(nv50_context);
 105         if (!nv50)
 106                 return NULL;
 107         nv50->screen = screen;
 108         nv50->pctx_id = pctx_id;
 109
 110         nv50->pipe.winsys = pipe_winsys;
 111         nv50->pipe.screen = pscreen;
 112
 113         nv50->pipe.destroy = nv50_destroy;
 114
 115         nv50->pipe.draw_arrays = nv50_draw_arrays;
 116         nv50->pipe.draw_arrays_instanced = nv50_draw_arrays_instanced;
 117         nv50->pipe.draw_elements = nv50_draw_elements;
 118         nv50->pipe.draw_elements_instanced = nv50_draw_elements_instanced;
 119         nv50->pipe.clear = nv50_clear;
 120
 121         nv50->pipe.flush = nv50_flush;
 122
 123         nv50->pipe.is_texture_referenced = nouveau_is_texture_referenced;
 124         nv50->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
 125
 126         screen->base.channel->user_private = nv50;
 127         screen->base.channel->flush_notify = nv50_state_flush_notify;
 128
 129         nv50_init_surface_functions(nv50);
 130         nv50_init_state_functions(nv50);
 131         nv50_init_query_functions(nv50);
 132
 133         nv50->draw = draw_create();
 134         assert(nv50->draw);
 135         draw_set_rasterize_stage(nv50->draw, nv50_draw_render_stage(nv50));
 136
 137         return &nv50->pipe;
 138 }