1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
4 * Permission is hereby granted, free of charge, to any person
5 * obtaining a copy of this software and associated documentation
6 * files (the "Software"), to deal in the Software without
7 * restriction, including without limitation the rights to use, copy,
8 * modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
19 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
20 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
24 **********************************************************/
26 #include "draw/draw_context.h"
27 #include "util/u_inlines.h"
28 #include "util/u_math.h"
29 #include "util/u_memory.h"
30 #include "util/u_bitmask.h"
31 #include "tgsi/tgsi_parse.h"
32 #include "tgsi/tgsi_text.h"
34 #include "svga_context.h"
35 #include "svga_tgsi.h"
36 #include "svga_hw_reg.h"
38 #include "svga_debug.h"
42 * Substitute a debug shader.
44 static const struct tgsi_token
*
45 substitute_vs(unsigned shader_id
, const struct tgsi_token
*old_tokens
)
48 if (shader_id
== 12) {
49 static struct tgsi_token tokens
[300];
56 "DCL OUT[0], POSITION\n"
58 "IMM FLT32 { 1.0000, 1.0000, 1.0000, 1.0000 }\n"
59 "IMM FLT32 { 0.45, 1.0000, 1.0000, 1.0000 }\n"
60 "IMM FLT32 { 1.297863, 0.039245, 0.035993, 0.035976}\n"
61 "IMM FLT32 { -0.019398, 1.696131, -0.202151, -0.202050 }\n"
62 "IMM FLT32 { 0.051711, -0.348713, -0.979204, -0.978714 }\n"
63 "IMM FLT32 { 0.000000, 0.000003, 139.491577, 141.421356 }\n"
66 " MOV TEMP[2], IMM[0]\n"
68 " MOV TEMP[2].xyz, IN[2]\n"
69 " MOV TEMP[2].xyz, IN[0]\n"
70 " MOV TEMP[2].xyz, IN[1]\n"
72 " MUL TEMP[1], IMM[3], TEMP[2].yyyy\n"
73 " MAD TEMP[3], IMM[2], TEMP[2].xxxx, TEMP[1]\n"
74 " MAD TEMP[1], IMM[4], TEMP[2].zzzz, TEMP[3]\n"
75 " MAD TEMP[4], IMM[5], TEMP[2].wwww, TEMP[1]\n"
77 " MOV OUT[0], TEMP[4]\n"
80 if (!tgsi_text_translate(text
,
97 svga_create_vs_state(struct pipe_context
*pipe
,
98 const struct pipe_shader_state
*templ
)
100 struct svga_context
*svga
= svga_context(pipe
);
101 struct svga_vertex_shader
*vs
= CALLOC_STRUCT(svga_vertex_shader
);
105 /* substitute a debug shader?
107 vs
->base
.tokens
= tgsi_dup_tokens(substitute_vs(svga
->debug
.shader_id
,
110 /* Collect basic info that we'll need later:
112 tgsi_scan_shader(vs
->base
.tokens
, &vs
->base
.info
);
115 /* Need to do construct a new template in case we substitued a
118 struct pipe_shader_state tmp2
= *templ
;
119 tmp2
.tokens
= vs
->base
.tokens
;
120 vs
->draw_shader
= draw_create_vertex_shader(svga
->swtnl
.draw
, &tmp2
);
123 vs
->base
.id
= svga
->debug
.shader_id
++;
125 if (SVGA_DEBUG
& DEBUG_TGSI
|| 0) {
126 debug_printf("%s id: %u, inputs: %u, outputs: %u\n",
127 __FUNCTION__
, vs
->base
.id
,
128 vs
->base
.info
.num_inputs
, vs
->base
.info
.num_outputs
);
136 svga_bind_vs_state(struct pipe_context
*pipe
, void *shader
)
138 struct svga_vertex_shader
*vs
= (struct svga_vertex_shader
*)shader
;
139 struct svga_context
*svga
= svga_context(pipe
);
142 svga
->dirty
|= SVGA_NEW_VS
;
147 svga_delete_vs_state(struct pipe_context
*pipe
, void *shader
)
149 struct svga_context
*svga
= svga_context(pipe
);
150 struct svga_vertex_shader
*vs
= (struct svga_vertex_shader
*)shader
;
151 struct svga_shader_result
*result
, *tmp
;
154 svga_hwtnl_flush_retry(svga
);
156 draw_delete_vertex_shader(svga
->swtnl
.draw
, vs
->draw_shader
);
158 for (result
= vs
->base
.results
; result
; result
= tmp
) {
161 ret
= SVGA3D_DestroyShader(svga
->swc
, result
->id
, SVGA3D_SHADERTYPE_VS
);
162 if (ret
!= PIPE_OK
) {
163 svga_context_flush(svga
, NULL
);
164 ret
= SVGA3D_DestroyShader(svga
->swc
, result
->id
,
165 SVGA3D_SHADERTYPE_VS
);
166 assert(ret
== PIPE_OK
);
169 util_bitmask_clear(svga
->vs_bm
, result
->id
);
171 svga_destroy_shader_result(result
);
174 * Remove stale references to this result to ensure a new result on the
175 * same address will be detected as a change.
177 if (result
== svga
->state
.hw_draw
.vs
)
178 svga
->state
.hw_draw
.vs
= NULL
;
181 FREE((void *)vs
->base
.tokens
);
187 svga_init_vs_functions(struct svga_context
*svga
)
189 svga
->pipe
.create_vs_state
= svga_create_vs_state
;
190 svga
->pipe
.bind_vs_state
= svga_bind_vs_state
;
191 svga
->pipe
.delete_vs_state
= svga_delete_vs_state
;