1 /**********************************************************
2 * Copyright 2008-2009 VMware, Inc. All rights reserved.
3 *
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:
11 *
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
14 *
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
22 * SOFTWARE.
23 *
24 **********************************************************/
25
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"
33
34 #include "svga_context.h"
35 #include "svga_tgsi.h"
36 #include "svga_hw_reg.h"
37 #include "svga_cmd.h"
38 #include "svga_debug.h"
39
40
substitute_vs(unsigned shader_id,const struct tgsi_token * old_tokens)41 static const struct tgsi_token *substitute_vs(
42 unsigned shader_id,
43 const struct tgsi_token *old_tokens )
44 {
45 #if 0
46 if (shader_id == 12) {
47 static struct tgsi_token tokens[300];
48
49 const char *text =
50 "VERT\n"
51 "DCL IN[0]\n"
52 "DCL IN[1]\n"
53 "DCL IN[2]\n"
54 "DCL OUT[0], POSITION\n"
55 "DCL TEMP[0..4]\n"
56 "IMM FLT32 { 1.0000, 1.0000, 1.0000, 1.0000 }\n"
57 "IMM FLT32 { 0.45, 1.0000, 1.0000, 1.0000 }\n"
58 "IMM FLT32 { 1.297863, 0.039245, 0.035993, 0.035976}\n"
59 "IMM FLT32 { -0.019398, 1.696131, -0.202151, -0.202050 }\n"
60 "IMM FLT32 { 0.051711, -0.348713, -0.979204, -0.978714 }\n"
61 "IMM FLT32 { 0.000000, 0.000003, 139.491577, 141.421356 }\n"
62 "DCL CONST[0..7]\n"
63 "DCL CONST[9..16]\n"
64 " MOV TEMP[2], IMM[0]\n"
65
66 " MOV TEMP[2].xyz, IN[2]\n"
67 " MOV TEMP[2].xyz, IN[0]\n"
68 " MOV TEMP[2].xyz, IN[1]\n"
69
70 " MUL TEMP[1], IMM[3], TEMP[2].yyyy\n"
71 " MAD TEMP[3], IMM[2], TEMP[2].xxxx, TEMP[1]\n"
72 " MAD TEMP[1], IMM[4], TEMP[2].zzzz, TEMP[3]\n"
73 " MAD TEMP[4], IMM[5], TEMP[2].wwww, TEMP[1]\n"
74
75 " MOV OUT[0], TEMP[4]\n"
76 " END\n";
77
78 if (!tgsi_text_translate( text,
79 tokens,
80 Elements(tokens) ))
81 {
82 assert(0);
83 return NULL;
84 }
85
86 return tokens;
87 }
88 #endif
89
90 return old_tokens;
91 }
92
93
94 /***********************************************************************
95 * Vertex shaders
96 */
97
98 static void *
svga_create_vs_state(struct pipe_context * pipe,const struct pipe_shader_state * templ)99 svga_create_vs_state(struct pipe_context *pipe,
100 const struct pipe_shader_state *templ)
101 {
102 struct svga_context *svga = svga_context(pipe);
103 struct svga_vertex_shader *vs = CALLOC_STRUCT(svga_vertex_shader);
104 if (!vs)
105 return NULL;
106
107 /* substitute a debug shader?
108 */
109 vs->base.tokens = tgsi_dup_tokens(substitute_vs(svga->debug.shader_id,
110 templ->tokens));
111
112
113 /* Collect basic info that we'll need later:
114 */
115 tgsi_scan_shader(vs->base.tokens, &vs->base.info);
116
117 {
118 /* Need to do construct a new template in case we substitued a
119 * debug shader.
120 */
121 struct pipe_shader_state tmp2 = *templ;
122 tmp2.tokens = vs->base.tokens;
123 vs->draw_shader = draw_create_vertex_shader(svga->swtnl.draw, &tmp2);
124 }
125
126 vs->base.id = svga->debug.shader_id++;
127
128 if (SVGA_DEBUG & DEBUG_TGSI || 0) {
129 debug_printf("%s id: %u, inputs: %u, outputs: %u\n",
130 __FUNCTION__, vs->base.id,
131 vs->base.info.num_inputs, vs->base.info.num_outputs);
132 }
133
134 return vs;
135 }
136
svga_bind_vs_state(struct pipe_context * pipe,void * shader)137 static void svga_bind_vs_state(struct pipe_context *pipe, void *shader)
138 {
139 struct svga_vertex_shader *vs = (struct svga_vertex_shader *)shader;
140 struct svga_context *svga = svga_context(pipe);
141
142 svga->curr.vs = vs;
143 svga->dirty |= SVGA_NEW_VS;
144 }
145
146
svga_delete_vs_state(struct pipe_context * pipe,void * shader)147 static void svga_delete_vs_state(struct pipe_context *pipe, void *shader)
148 {
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;
152 enum pipe_error ret;
153
154 svga_hwtnl_flush_retry( svga );
155
156 draw_delete_vertex_shader(svga->swtnl.draw, vs->draw_shader);
157
158 for (result = vs->base.results; result; result = tmp ) {
159 tmp = result->next;
160
161 ret = SVGA3D_DestroyShader(svga->swc,
162 result->id,
163 SVGA3D_SHADERTYPE_VS );
164 if(ret != PIPE_OK) {
165 svga_context_flush(svga, NULL);
166 ret = SVGA3D_DestroyShader(svga->swc,
167 result->id,
168 SVGA3D_SHADERTYPE_VS );
169 assert(ret == PIPE_OK);
170 }
171
172 util_bitmask_clear( svga->vs_bm, result->id );
173
174 svga_destroy_shader_result( result );
175
176 /*
177 * Remove stale references to this result to ensure a new result on the
178 * same address will be detected as a change.
179 */
180 if(result == svga->state.hw_draw.vs)
181 svga->state.hw_draw.vs = NULL;
182 }
183
184 FREE((void *)vs->base.tokens);
185 FREE(vs);
186 }
187
188
svga_init_vs_functions(struct svga_context * svga)189 void svga_init_vs_functions( struct svga_context *svga )
190 {
191 svga->pipe.create_vs_state = svga_create_vs_state;
192 svga->pipe.bind_vs_state = svga_bind_vs_state;
193 svga->pipe.delete_vs_state = svga_delete_vs_state;
194 }
195
196