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
  26 #include "nv50_context.h"
  27 #include "nv50_screen.h"
  28
  29 static void
  30 nv50_flush(struct pipe_context *pipe, unsigned flags,
  31            struct pipe_fence_handle **fence)
  32 {
  33         struct nv50_context *nv50 = nv50_context(pipe);
  34         struct nouveau_channel *chan = nv50->screen->base.channel;
  35
  36         if (flags & PIPE_FLUSH_TEXTURE_CACHE) {
  37                 BEGIN_RING(chan, nv50->screen->tesla, 0x1338, 1);
  38                 OUT_RING  (chan, 0x20);
  39         }
  40
  41         if (flags & PIPE_FLUSH_FRAME)
  42                 FIRE_RING(chan);
  43 }
  44
  45 static void
  46 nv50_destroy(struct pipe_context *pipe)
  47 {
  48         struct nv50_context *nv50 = nv50_context(pipe);
  49
  50         if (nv50->state.fb)
  51                 so_ref(NULL, &nv50->state.fb);
  52         if (nv50->state.blend)
  53                 so_ref(NULL, &nv50->state.blend);
  54         if (nv50->state.blend_colour)
  55                 so_ref(NULL, &nv50->state.blend_colour);
  56         if (nv50->state.zsa)
  57                 so_ref(NULL, &nv50->state.zsa);
  58         if (nv50->state.rast)
  59                 so_ref(NULL, &nv50->state.rast);
  60         if (nv50->state.stipple)
  61                 so_ref(NULL, &nv50->state.stipple);
  62         if (nv50->state.scissor)
  63                 so_ref(NULL, &nv50->state.scissor);
  64         if (nv50->state.viewport)
  65                 so_ref(NULL, &nv50->state.viewport);
  66         if (nv50->state.tsc_upload)
  67                 so_ref(NULL, &nv50->state.tsc_upload);
  68         if (nv50->state.tic_upload)
  69                 so_ref(NULL, &nv50->state.tic_upload);
  70         if (nv50->state.vertprog)
  71                 so_ref(NULL, &nv50->state.vertprog);
  72         if (nv50->state.fragprog)
  73                 so_ref(NULL, &nv50->state.fragprog);
  74         if (nv50->state.geomprog)
  75                 so_ref(NULL, &nv50->state.geomprog);
  76         if (nv50->state.fp_linkage)
  77                 so_ref(NULL, &nv50->state.fp_linkage);
  78         if (nv50->state.gp_linkage)
  79                 so_ref(NULL, &nv50->state.gp_linkage);
  80         if (nv50->state.vtxfmt)
  81                 so_ref(NULL, &nv50->state.vtxfmt);
  82         if (nv50->state.vtxbuf)
  83                 so_ref(NULL, &nv50->state.vtxbuf);
  84         if (nv50->state.vtxattr)
  85                 so_ref(NULL, &nv50->state.vtxattr);
  86
  87         draw_destroy(nv50->draw);
  88
  89         if (nv50->screen->cur_ctx == nv50)
  90                 nv50->screen->cur_ctx = NULL;
  91
  92         FREE(nv50);
  93 }
  94
  95
  96 struct pipe_context *
  97 nv50_create(struct pipe_screen *pscreen, void *priv)
  98 {
  99         struct pipe_winsys *pipe_winsys = pscreen->winsys;
 100         struct nv50_screen *screen = nv50_screen(pscreen);
 101         struct nv50_context *nv50;
 102
 103         nv50 = CALLOC_STRUCT(nv50_context);
 104         if (!nv50)
 105                 return NULL;
 106         nv50->screen = screen;
 107
 108         nv50->pipe.winsys = pipe_winsys;
 109         nv50->pipe.screen = pscreen;
 110         nv50->pipe.priv = priv;
 111
 112         nv50->pipe.destroy = nv50_destroy;
 113
 114         nv50->pipe.draw_arrays = nv50_draw_arrays;
 115         nv50->pipe.draw_arrays_instanced = nv50_draw_arrays_instanced;
 116         nv50->pipe.draw_elements = nv50_draw_elements;
 117         nv50->pipe.draw_elements_instanced = nv50_draw_elements_instanced;
 118         nv50->pipe.clear = nv50_clear;
 119
 120         nv50->pipe.flush = nv50_flush;
 121
 122         nv50->pipe.is_texture_referenced = nouveau_is_texture_referenced;
 123         nv50->pipe.is_buffer_referenced = nouveau_is_buffer_referenced;
 124
 125         screen->base.channel->user_private = nv50;
 126         screen->base.channel->flush_notify = nv50_state_flush_notify;
 127
 128         nv50_init_surface_functions(nv50);
 129         nv50_init_state_functions(nv50);
 130         nv50_init_query_functions(nv50);
 131
 132         nv50->draw = draw_create(&nv50->pipe);
 133         assert(nv50->draw);
 134         draw_set_rasterize_stage(nv50->draw, nv50_draw_render_stage(nv50));
 135
 136         return &nv50->pipe;
 137 }