2 * Copyright 2009 VMware, Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * on the rights to use, copy, modify, merge, publish, distribute, sub
9 * license, and/or sell copies of the Software, and to permit persons to whom
10 * the Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice (including the next
13 * paragraph) shall be included in all copies or substantial portions of the
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
19 * VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
22 * USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #include "u_indices.h"
26 #include "u_indices_priv.h"
28 static void translate_memcpy_ushort( const void *in,
32 memcpy(out, in, nr*sizeof(short));
35 static void translate_memcpy_uint( const void *in,
39 memcpy(out, in, nr*sizeof(int));
43 int u_index_translator( unsigned hw_mask,
45 unsigned in_index_size,
50 unsigned *out_index_size,
52 u_translate_func *out_translate )
56 int ret = U_TRANSLATE_NORMAL;
60 in_idx = in_size_idx(in_index_size);
61 *out_index_size = (in_index_size == 4) ? 4 : 2;
62 out_idx = out_size_idx(*out_index_size);
64 if ((hw_mask & (1<<prim)) &&
65 in_index_size == *out_index_size &&
68 if (in_index_size == 4)
69 *out_translate = translate_memcpy_uint;
71 *out_translate = translate_memcpy_ushort;
76 return U_TRANSLATE_MEMCPY;
80 case PIPE_PRIM_POINTS:
81 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
82 *out_prim = PIPE_PRIM_POINTS;
87 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
88 *out_prim = PIPE_PRIM_LINES;
92 case PIPE_PRIM_LINE_STRIP:
93 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
94 *out_prim = PIPE_PRIM_LINES;
95 *out_nr = (nr - 1) * 2;
98 case PIPE_PRIM_LINE_LOOP:
99 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
100 *out_prim = PIPE_PRIM_LINES;
104 case PIPE_PRIM_TRIANGLES:
105 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
106 *out_prim = PIPE_PRIM_TRIANGLES;
110 case PIPE_PRIM_TRIANGLE_STRIP:
111 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
112 *out_prim = PIPE_PRIM_TRIANGLES;
113 *out_nr = (nr - 2) * 3;
116 case PIPE_PRIM_TRIANGLE_FAN:
117 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
118 *out_prim = PIPE_PRIM_TRIANGLES;
119 *out_nr = (nr - 2) * 3;
122 case PIPE_PRIM_QUADS:
123 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
124 *out_prim = PIPE_PRIM_TRIANGLES;
125 *out_nr = (nr / 4) * 6;
128 case PIPE_PRIM_QUAD_STRIP:
129 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
130 *out_prim = PIPE_PRIM_TRIANGLES;
131 *out_nr = (nr - 2) * 3;
134 case PIPE_PRIM_POLYGON:
135 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
136 *out_prim = PIPE_PRIM_TRIANGLES;
137 *out_nr = (nr - 2) * 3;
142 *out_translate = translate[in_idx][out_idx][in_pv][out_pv][prim];
143 *out_prim = PIPE_PRIM_POINTS;
145 return U_TRANSLATE_ERROR;
156 int u_index_generator( unsigned hw_mask,
163 unsigned *out_index_size,
165 u_generate_func *out_generate )
172 *out_index_size = ((start + nr) > 0xfffe) ? 4 : 2;
173 out_idx = out_size_idx(*out_index_size);
175 if ((hw_mask & (1<<prim)) &&
178 *out_generate = generate[out_idx][in_pv][out_pv][PIPE_PRIM_POINTS];
181 return U_GENERATE_LINEAR;
185 case PIPE_PRIM_POINTS:
186 *out_generate = generate[out_idx][in_pv][out_pv][prim];
187 *out_prim = PIPE_PRIM_POINTS;
189 return U_GENERATE_REUSABLE;
191 case PIPE_PRIM_LINES:
192 *out_generate = generate[out_idx][in_pv][out_pv][prim];
193 *out_prim = PIPE_PRIM_LINES;
195 return U_GENERATE_REUSABLE;
197 case PIPE_PRIM_LINE_STRIP:
198 *out_generate = generate[out_idx][in_pv][out_pv][prim];
199 *out_prim = PIPE_PRIM_LINES;
200 *out_nr = (nr - 1) * 2;
201 return U_GENERATE_REUSABLE;
203 case PIPE_PRIM_LINE_LOOP:
204 *out_generate = generate[out_idx][in_pv][out_pv][prim];
205 *out_prim = PIPE_PRIM_LINES;
207 return U_GENERATE_ONE_OFF;
209 case PIPE_PRIM_TRIANGLES:
210 *out_generate = generate[out_idx][in_pv][out_pv][prim];
211 *out_prim = PIPE_PRIM_TRIANGLES;
213 return U_GENERATE_REUSABLE;
215 case PIPE_PRIM_TRIANGLE_STRIP:
216 *out_generate = generate[out_idx][in_pv][out_pv][prim];
217 *out_prim = PIPE_PRIM_TRIANGLES;
218 *out_nr = (nr - 2) * 3;
219 return U_GENERATE_REUSABLE;
221 case PIPE_PRIM_TRIANGLE_FAN:
222 *out_generate = generate[out_idx][in_pv][out_pv][prim];
223 *out_prim = PIPE_PRIM_TRIANGLES;
224 *out_nr = (nr - 2) * 3;
225 return U_GENERATE_REUSABLE;
227 case PIPE_PRIM_QUADS:
228 *out_generate = generate[out_idx][in_pv][out_pv][prim];
229 *out_prim = PIPE_PRIM_TRIANGLES;
230 *out_nr = (nr / 4) * 6;
231 return U_GENERATE_REUSABLE;
233 case PIPE_PRIM_QUAD_STRIP:
234 *out_generate = generate[out_idx][in_pv][out_pv][prim];
235 *out_prim = PIPE_PRIM_TRIANGLES;
236 *out_nr = (nr - 2) * 3;
237 return U_GENERATE_REUSABLE;
239 case PIPE_PRIM_POLYGON:
240 *out_generate = generate[out_idx][in_pv][out_pv][prim];
241 *out_prim = PIPE_PRIM_TRIANGLES;
242 *out_nr = (nr - 2) * 3;
243 return U_GENERATE_REUSABLE;
247 *out_generate = generate[out_idx][in_pv][out_pv][PIPE_PRIM_POINTS];
248 *out_prim = PIPE_PRIM_POINTS;
250 return U_TRANSLATE_ERROR;