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
|
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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, sub license, 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 (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
/*
* Authors:
* Keith Whitwell <keith@tungstengraphics.com>
* Brian Paul
*/
#include "shader/prog_parameter.h"
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_winsys.h"
#include "st_context.h"
#include "st_atom.h"
#include "st_program.h"
static void upload_constants( struct st_context *st,
struct gl_program_parameter_list *params,
unsigned id)
{
struct pipe_winsys *ws = st->pipe->winsys;
struct pipe_constant_buffer *cbuf = &st->state.constants[id];
/* update constants */
if (params && params->NumParameters) {
const uint paramBytes = params->NumParameters * sizeof(GLfloat) * 4;
/* Update our own dependency flags. This works because this
* function will also be called whenever the program changes.
*/
st->constants.tracked_state[id].dirty.mesa = params->StateFlags;
_mesa_load_state_parameters(st->ctx, params);
if (!cbuf->buffer)
cbuf->buffer = ws->buffer_create(ws, 1);
if (0)
{
int i;
_mesa_printf("%s(%d): %d / %x\n",
__FUNCTION__, id, params->NumParameters, params->StateFlags);
for (i = 0; i < params->NumParameters; i++)
fprintf(stderr, "%d: %f %f %f %f\n", i,
params->ParameterValues[i][0],
params->ParameterValues[i][1],
params->ParameterValues[i][2],
params->ParameterValues[i][3]);
}
/* load Mesa constants into the constant buffer */
ws->buffer_data(ws, cbuf->buffer, paramBytes, params->ParameterValues);
cbuf->size = paramBytes;
st->pipe->set_constant_buffer(st->pipe, id, 0, cbuf);
}
else {
st->constants.tracked_state[id].dirty.mesa = 0;
// st->pipe->set_constant_buffer(st->pipe, id, 0, NULL);
}
}
/* Vertex shader:
*/
static void update_vs_constants(struct st_context *st )
{
struct st_vertex_program *vp = st->vp;
struct gl_program_parameter_list *params = vp->Base.Base.Parameters;
upload_constants( st, params, PIPE_SHADER_VERTEX );
}
const struct st_tracked_state st_update_vs_constants = {
.name = "st_update_vs_constants",
.dirty = {
.mesa = 0,
.st = ST_NEW_VERTEX_PROGRAM,
},
.update = update_vs_constants
};
/* Fragment shader:
*/
static void update_fs_constants(struct st_context *st )
{
struct st_fragment_program *fp = st->fp;
struct gl_program_parameter_list *params = fp->Base.Base.Parameters;
upload_constants( st, params, PIPE_SHADER_FRAGMENT );
}
const struct st_tracked_state st_update_fs_constants = {
.name = "st_update_fs_constants",
.dirty = {
.mesa = 0,
.st = ST_NEW_FRAGMENT_PROGRAM,
},
.update = update_fs_constants
};
|
