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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/**************************************************************************
*
* 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:
* Zack Rusin
* Keith Whitwell <keith@tungstengraphics.com>
* Brian Paul
*/
#include "util/u_memory.h"
#include "pipe/p_shader_tokens.h"
#include "draw_private.h"
#include "draw_context.h"
#include "draw_vs.h"
#include "tgsi/tgsi_parse.h"
#ifdef MESA_LLVM
#include "gallivm/gallivm.h"
struct draw_llvm_vertex_shader {
struct draw_vertex_shader base;
struct gallivm_prog *llvm_prog;
struct tgsi_exec_machine *machine;
};
static void
vs_llvm_prepare( struct draw_vertex_shader *base,
struct draw_context *draw )
{
}
static void
vs_llvm_run_linear( struct draw_vertex_shader *base,
const float (*input)[4],
float (*output)[4],
const float (*constants)[4],
unsigned count,
unsigned input_stride,
unsigned output_stride )
{
struct draw_llvm_vertex_shader *shader =
(struct draw_llvm_vertex_shader *)base;
gallivm_cpu_vs_exec(shader->llvm_prog, shader->machine,
input, base->info.num_inputs, output, base->info.num_outputs,
constants, count, input_stride, output_stride);
}
static void
vs_llvm_delete( struct draw_vertex_shader *base )
{
struct draw_llvm_vertex_shader *shader =
(struct draw_llvm_vertex_shader *)base;
/* Do something to free compiled shader:
*/
FREE( (void*) shader->base.state.tokens );
FREE( shader );
}
struct draw_vertex_shader *
draw_create_vs_llvm(struct draw_context *draw,
const struct pipe_shader_state *templ)
{
struct draw_llvm_vertex_shader *vs;
vs = CALLOC_STRUCT( draw_llvm_vertex_shader );
if (vs == NULL)
return NULL;
/* we make a private copy of the tokens */
vs->base.state.tokens = tgsi_dup_tokens(templ->tokens);
if (!vs->base.state.tokens) {
FREE(vs);
return NULL;
}
tgsi_scan_shader(vs->base.state.tokens, &vs->base.info);
vs->base.draw = draw;
vs->base.prepare = vs_llvm_prepare;
vs->base.create_varient = draw_vs_varient_generic;
vs->base.run_linear = vs_llvm_run_linear;
vs->base.delete = vs_llvm_delete;
vs->machine = draw->vs.machine;
{
struct gallivm_ir *ir = gallivm_ir_new(GALLIVM_VS);
gallivm_ir_set_layout(ir, GALLIVM_SOA);
gallivm_ir_set_components(ir, 4);
gallivm_ir_fill_from_tgsi(ir, vs->base.state.tokens);
vs->llvm_prog = gallivm_ir_compile(ir);
gallivm_ir_delete(ir);
}
draw->vs.engine = gallivm_global_cpu_engine();
/* XXX: Why are there two versions of this? Shouldn't creating the
* engine be a separate operation to compiling a shader?
*/
if (!draw->vs.engine) {
draw->vs.engine = gallivm_cpu_engine_create(vs->llvm_prog);
}
else {
gallivm_cpu_jit_compile(draw->vs.engine, vs->llvm_prog);
}
return &vs->base;
}
#else
struct draw_vertex_shader *
draw_create_vs_llvm(struct draw_context *draw,
const struct pipe_shader_state *shader)
{
return NULL;
}
#endif
|
