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/cvs/cf.schmorp.de/Deliantra-Client/rendercache.c
Revision: 1.3
Committed: Sat Aug 11 13:46:40 2007 UTC (16 years, 11 months ago) by root
Content type: text/plain
Branch: MAIN
Changes since 1.2: +6 -5 lines
Log Message:
*** empty log message ***

File Contents

# Content
1 typedef struct {
2 GLenum mode;
3 GLenum format; // 0, GL_T2F_V3F, GL_V2F
4 GLint texname;
5 unsigned char r, g, b, a;
6 } rc_key_t;
7
8 typedef struct {
9 HV *hv;
10 } rc_t;
11
12 typedef SV rc_array_t;
13
14 static rc_t *
15 rc_alloc ()
16 {
17 rc_t *rc = g_slice_new0 (rc_t);
18 rc->hv = newHV ();
19
20 return rc;
21 }
22
23 static void
24 rc_free (rc_t *rc)
25 {
26 SvREFCNT_dec (rc->hv);
27 g_slice_free (rc_t, rc);
28 }
29
30 static void
31 rc_clear (rc_t *rc)
32 {
33 hv_clear (rc->hv);
34 }
35
36 static rc_array_t *
37 rc_array (rc_t *rc, rc_key_t *k)
38 {
39 SV *sv = *hv_fetch (rc->hv, (char *)k, sizeof (*k), 1);
40
41 if (SvTYPE (sv) != SVt_PV)
42 {
43 sv_upgrade (sv, SVt_PV);
44 SvPOK_only (sv);
45 }
46
47 return sv;
48 }
49
50 static void
51 rc_v2f (rc_array_t *arr, float x, float y)
52 {
53 STRLEN len = SvCUR (arr) + sizeof (float) * 2;
54 SvGROW (arr, len);
55
56 ((float *)SvEND (arr))[0] = x;
57 ((float *)SvEND (arr))[1] = y;
58
59 SvCUR_set (arr, len);
60 }
61
62 static void
63 rc_t2f_v3f (rc_array_t *arr, float u, float v, float x, float y, float z)
64 {
65 STRLEN len = SvCUR (arr) + sizeof (float) * 5;
66 SvGROW (arr, len);
67
68 ((float *)SvEND (arr))[0] = u;
69 ((float *)SvEND (arr))[1] = v;
70
71 ((float *)SvEND (arr))[2] = x;
72 ((float *)SvEND (arr))[3] = y;
73 ((float *)SvEND (arr))[4] = z;
74
75 SvCUR_set (arr, len);
76 }
77
78 static void
79 rc_draw (rc_t *rc)
80 {
81 HE *he;
82
83 hv_iterinit (rc->hv);
84 while ((he = hv_iternext (rc->hv)))
85 {
86 rc_key_t *key = (rc_key_t *)HeKEY (he);
87 rc_array_t *arr = HeVAL (he);
88 STRLEN len;
89 char *arr_pv = SvPV (arr, len);
90 GLsizei stride;
91
92 if (key->texname)
93 {
94 glBindTexture (GL_TEXTURE_2D, key->texname);
95 glEnable (GL_TEXTURE_2D);
96 }
97 else
98 glDisable (GL_TEXTURE_2D);
99
100 glColor4ub (key->r, key->g, key->b, key->a);
101
102 stride = key->format == GL_T2F_V3F ? sizeof (float) * 5
103 : key->format == GL_V2F ? sizeof (float) * 2
104 : 65536;
105
106 glInterleavedArrays (key->format, 0, (void *)arr_pv);
107 glDrawArrays (key->mode, 0, len / stride);
108 }
109
110 glDisable (GL_TEXTURE_2D);
111 }
112
113
114
115