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 = (struct nv50_context *)pipe;
  35
  36         FIRE_RING(nv50->screen->base.channel);
  37 }
  38
  39 static void
  40 nv50_destroy(struct pipe_context *pipe)
  41 {
  42         struct nv50_context *nv50 = (struct nv50_context *)pipe;
  43
  44         draw_destroy(nv50->draw);
  45         FREE(nv50);
  46 }
  47
  48
  49 static void
  50 nv50_set_edgeflags(struct pipe_context *pipe, const unsigned *bitfield)
  51 {
  52 }
  53
  54 static unsigned int
  55 nv50_is_texture_referenced( struct pipe_context *pipe,
  56                             struct pipe_texture *texture,
  57                             unsigned face, unsigned level)
  58 {
  59    /**
  60     * FIXME: Optimize.
  61     */
  62
  63    return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
  64 }
  65
  66 static unsigned int
  67 nv50_is_buffer_referenced( struct pipe_context *pipe,
  68                            struct pipe_buffer *buf)
  69 {
  70    /**
  71     * FIXME: Optimize.
  72     */
  73
  74    return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
  75 }
  76
  77 struct pipe_context *
  78 nv50_create(struct pipe_screen *pscreen, unsigned pctx_id)
  79 {
  80         struct pipe_winsys *pipe_winsys = pscreen->winsys;
  81         struct nv50_screen *screen = nv50_screen(pscreen);
  82         struct nv50_context *nv50;
  83
  84         nv50 = CALLOC_STRUCT(nv50_context);
  85         if (!nv50)
  86                 return NULL;
  87         nv50->screen = screen;
  88         nv50->pctx_id = pctx_id;
  89
  90         nv50->pipe.winsys = pipe_winsys;
  91         nv50->pipe.screen = pscreen;
  92
  93         nv50->pipe.destroy = nv50_destroy;
  94
  95         nv50->pipe.set_edgeflags = nv50_set_edgeflags;
  96         nv50->pipe.draw_arrays = nv50_draw_arrays;
  97         nv50->pipe.draw_elements = nv50_draw_elements;
  98         nv50->pipe.clear = nv50_clear;
  99
 100         nv50->pipe.flush = nv50_flush;
 101
 102         nv50->pipe.is_texture_referenced = nv50_is_texture_referenced;
 103         nv50->pipe.is_buffer_referenced = nv50_is_buffer_referenced;
 104
 105         nv50_init_surface_functions(nv50);
 106         nv50_init_state_functions(nv50);
 107         nv50_init_query_functions(nv50);
 108
 109         nv50->draw = draw_create();
 110         assert(nv50->draw);
 111         draw_set_rasterize_stage(nv50->draw, nv50_draw_render_stage(nv50));
 112
 113         return &nv50->pipe;
 114 }
 115
 116