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1 /**************************************************************************
2  *
3  * Copyright 2007 VMware, Inc.
4  * All Rights Reserved.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25  *
26  **************************************************************************/
27 
28 /*
29  * Functions for specifying the post-transformation vertex layout.
30  *
31  * Author:
32  *    Brian Paul
33  *    Keith Whitwell
34  */
35 
36 
37 #include "draw/draw_private.h"
38 #include "draw/draw_vertex.h"
39 
40 
41 /**
42  * Compute the size of a vertex, in dwords/floats, to update the
43  * vinfo->size field.
44  */
45 void
draw_compute_vertex_size(struct vertex_info * vinfo)46 draw_compute_vertex_size(struct vertex_info *vinfo)
47 {
48    uint i;
49 
50    vinfo->size = 0;
51    for (i = 0; i < vinfo->num_attribs; i++)
52       vinfo->size += draw_translate_vinfo_size(vinfo->attrib[i].emit);
53 
54    assert(vinfo->size % 4 == 0);
55    /* in dwords */
56    vinfo->size /= 4;
57 }
58 
59 
60 void
draw_dump_emitted_vertex(const struct vertex_info * vinfo,const uint8_t * data)61 draw_dump_emitted_vertex(const struct vertex_info *vinfo, const uint8_t *data)
62 {
63    unsigned i;
64 
65    for (i = 0; i < vinfo->num_attribs; i++) {
66       switch (vinfo->attrib[i].emit) {
67       case EMIT_OMIT:
68          debug_printf("EMIT_OMIT:");
69          break;
70       case EMIT_1F:
71          debug_printf("EMIT_1F:\t");
72          debug_printf("%f ", *(float *)data); data += sizeof(float);
73          break;
74       case EMIT_1F_PSIZE:
75          debug_printf("EMIT_1F_PSIZE:\t");
76          debug_printf("%f ", *(float *)data); data += sizeof(float);
77          break;
78       case EMIT_2F:
79          debug_printf("EMIT_2F:\t");
80          debug_printf("%f ", *(float *)data); data += sizeof(float);
81          debug_printf("%f ", *(float *)data); data += sizeof(float);
82          break;
83       case EMIT_3F:
84          debug_printf("EMIT_3F:\t");
85          debug_printf("%f ", *(float *)data); data += sizeof(float);
86          debug_printf("%f ", *(float *)data); data += sizeof(float);
87          debug_printf("%f ", *(float *)data); data += sizeof(float);
88          data += sizeof(float);
89          break;
90       case EMIT_4F:
91          debug_printf("EMIT_4F:\t");
92          debug_printf("%f ", *(float *)data); data += sizeof(float);
93          debug_printf("%f ", *(float *)data); data += sizeof(float);
94          debug_printf("%f ", *(float *)data); data += sizeof(float);
95          debug_printf("%f ", *(float *)data); data += sizeof(float);
96          break;
97       case EMIT_4UB:
98          debug_printf("EMIT_4UB:\t");
99          debug_printf("%u ", *data++);
100          debug_printf("%u ", *data++);
101          debug_printf("%u ", *data++);
102          debug_printf("%u ", *data++);
103          break;
104       case EMIT_4UB_BGRA:
105          debug_printf("EMIT_4UB_BGRA:\t");
106          debug_printf("%u ", *data++);
107          debug_printf("%u ", *data++);
108          debug_printf("%u ", *data++);
109          debug_printf("%u ", *data++);
110          break;
111       default:
112          assert(0);
113       }
114       debug_printf("\n");
115    }
116    debug_printf("\n");
117 }
118