summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/svga/svga_pipe_fs.c
blob: 4c04ea0ebdc61ac7f70876367316ed101e1218ff (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/**********************************************************
 * Copyright 2008-2009 VMware, Inc.  All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 **********************************************************/

#include "util/u_inlines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_bitmask.h"
#include "tgsi/tgsi_parse.h"
#include "draw/draw_context.h"

#include "svga_context.h"
#include "svga_tgsi.h"
#include "svga_hw_reg.h"
#include "svga_cmd.h"
#include "svga_debug.h"


static void *
svga_create_fs_state(struct pipe_context *pipe,
                     const struct pipe_shader_state *templ)
{
   struct svga_context *svga = svga_context(pipe);
   struct svga_fragment_shader *fs;

   fs = CALLOC_STRUCT(svga_fragment_shader);
   if (!fs)
      return NULL;

   fs->base.tokens = tgsi_dup_tokens(templ->tokens);

   /* Collect basic info that we'll need later:
    */
   tgsi_scan_shader(fs->base.tokens, &fs->base.info);

   fs->base.id = svga->debug.shader_id++;

   fs->generic_inputs = svga_get_generic_inputs_mask(&fs->base.info);

   svga_remap_generics(fs->generic_inputs, fs->generic_remap_table);

   fs->draw_shader = draw_create_fragment_shader(svga->swtnl.draw, templ);

   if (SVGA_DEBUG & DEBUG_TGSI || 0) {
      debug_printf("%s id: %u, inputs: %u, outputs: %u\n",
                   __FUNCTION__, fs->base.id,
                   fs->base.info.num_inputs, fs->base.info.num_outputs);
   }

   return fs;
}


static void
svga_bind_fs_state(struct pipe_context *pipe, void *shader)
{
   struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
   struct svga_context *svga = svga_context(pipe);

   svga->curr.fs = fs;
   svga->dirty |= SVGA_NEW_FS;
}


static void
svga_delete_fs_state(struct pipe_context *pipe, void *shader)
{
   struct svga_context *svga = svga_context(pipe);
   struct svga_fragment_shader *fs = (struct svga_fragment_shader *) shader;
   struct svga_shader_result *result, *tmp;
   enum pipe_error ret;

   svga_hwtnl_flush_retry(svga);

   draw_delete_fragment_shader(svga->swtnl.draw, fs->draw_shader);

   for (result = fs->base.results; result; result = tmp) {
      tmp = result->next;

      ret = SVGA3D_DestroyShader(svga->swc, result->id, SVGA3D_SHADERTYPE_PS);
      if (ret != PIPE_OK) {
         svga_context_flush(svga, NULL);
         ret = SVGA3D_DestroyShader(svga->swc, result->id,
                                    SVGA3D_SHADERTYPE_PS);
         assert(ret == PIPE_OK);
      }

      util_bitmask_clear(svga->fs_bm, result->id);

      svga_destroy_shader_result(result);

      /*
       * Remove stale references to this result to ensure a new result on the
       * same address will be detected as a change.
       */
      if (result == svga->state.hw_draw.fs)
         svga->state.hw_draw.fs = NULL;
   }

   FREE((void *)fs->base.tokens);
   FREE(fs);
}


void
svga_init_fs_functions(struct svga_context *svga)
{
   svga->pipe.create_fs_state = svga_create_fs_state;
   svga->pipe.bind_fs_state = svga_bind_fs_state;
   svga->pipe.delete_fs_state = svga_delete_fs_state;
}