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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

# User Rev Content
1 root 1.1 typedef struct {
2     GLenum mode;
3 root 1.3 GLenum format; // 0, GL_T2F_V3F, GL_V2F
4 root 1.1 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 root 1.2 STRLEN len = SvCUR (arr) + sizeof (float) * 2;
54 root 1.1 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 root 1.3
102     stride = key->format == GL_T2F_V3F ? sizeof (float) * 5
103     : key->format == GL_V2F ? sizeof (float) * 2
104     : 65536;
105    
106 root 1.1 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