1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
/*
* PARSEC HEADER: ro_supp.h
*/
#ifndef _RO_SUPP_H_
#define _RO_SUPP_H_
// ro_supp.c implements the following functions
// -------------------------------------------
// int R_PrecacheTextures( GenObject *objectp );
// conversion factor from source (internal) depth to destination (opengl) depth
#ifdef FRACTIONAL_DEPTH_VALUES
#define OPENGL_DEPTH_RANGE 1.0f // [ 0, 1 ] -> [ 0, 1 ]
#else
#define OPENGL_DEPTH_RANGE (1/65535.0f) // [ 0, 65535 ] -> [ 0, 1 ]
#endif
// need opengl headers
#include "r_gl.h"
// structures
struct GLTexInfo {
TextureMap* texmap;
void* data;
int width;
int height;
dword format;
float coscale;
float aratio;
word lodsmall;
word lodlarge;
};
// external functions
void RO_EnableDepthBuffer( bool checking, bool writing );
void RO_DisableDepthBuffer( bool checking, bool writing );
void RO_RestoreDepthState( int zcmpstate, int zwritestate );
void RO_InvalidateTextureMem();
void RO_InvalidateCachedTexture( TextureMap *tmap );
void RO_SelectTexelSource( GLTexInfo *texinfo );
void RO_SelectTexelSource2( GLTexInfo *p2info );
void RO_IterVertex2GLVertex( GLVertex3 *glvtxs, IterVertex2 *itervtxs, int num, GLTexInfo *texinfo );
void RO_IterVertex3GLVertex( GLVertex3 *glvtxs, IterVertex3 *itervtxs, int num, GLTexInfo *texinfo );
void RO_IterVertex2GLVertexRef( GLVertex3 *glvtxs, IterVertex2 **itervtxs, int num, GLTexInfo *texinfo );
void RO_IterVertex3GLVertexRef( GLVertex3 *glvtxs, IterVertex3 **itervtxs, int num, GLTexInfo *texinfo );
void RO_TextureMap2GLTexInfo( GLTexInfo *texinfo, TextureMap *texmap );
void RO_Render2DRectangle( sgrid_t putx, sgrid_t puty, float srcw, float srch, dword dstw, dword dsth, dword zvalue, colrgba_s *color );
#endif // _RO_SUPP_H_
|
