summaryrefslogtreecommitdiff
path: root/src/renderer/tr_types.h
blob: 5aa08aed32c666d369535e9b45bdb0d08fc72fd5 (plain)
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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
/*
===========================================================================
Copyright (C) 1999-2005 Id Software, Inc.
Copyright (C) 2000-2006 Tim Angus

This file is part of Tremulous.

Tremulous is free software; you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the License,
or (at your option) any later version.

Tremulous is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Tremulous; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
===========================================================================
*/
//
#ifndef __TR_TYPES_H
#define __TR_TYPES_H


#define	MAX_DLIGHTS		32			// can't be increased, because bit flags are used on surfaces
#define	MAX_ENTITIES	1023		// can't be increased without changing drawsurf bit packing

// renderfx flags
#define	RF_MINLIGHT			1		// allways have some light (viewmodel, some items)
#define	RF_THIRD_PERSON		2		// don't draw through eyes, only mirrors (player bodies, chat sprites)
#define	RF_FIRST_PERSON		4		// only draw through eyes (view weapon, damage blood blob)
#define	RF_DEPTHHACK		8		// for view weapon Z crunching
#define	RF_NOSHADOW			64		// don't add stencil shadows

#define RF_LIGHTING_ORIGIN	128		// use refEntity->lightingOrigin instead of refEntity->origin
									// for lighting.  This allows entities to sink into the floor
									// with their origin going solid, and allows all parts of a
									// player to get the same lighting
#define	RF_SHADOW_PLANE		256		// use refEntity->shadowPlane
#define	RF_WRAP_FRAMES		512		// mod the model frames by the maxframes to allow continuous
									// animation without needing to know the frame count

// refdef flags
#define RDF_NOWORLDMODEL	1		// used for player configuration screen
#define RDF_HYPERSPACE		4		// teleportation effect

typedef struct {
	vec3_t		xyz;
	float		st[2];
	byte		modulate[4];
} polyVert_t;

typedef struct poly_s {
	qhandle_t			hShader;
	int					numVerts;
	polyVert_t			*verts;
} poly_t;

typedef enum {
	RT_MODEL,
	RT_POLY,
	RT_SPRITE,
	RT_BEAM,
	RT_RAIL_CORE,
	RT_RAIL_RINGS,
	RT_LIGHTNING,
	RT_PORTALSURFACE,		// doesn't draw anything, just info for portals

	RT_MAX_REF_ENTITY_TYPE
} refEntityType_t;

typedef struct {
	refEntityType_t	reType;
	int			renderfx;

	qhandle_t	hModel;				// opaque type outside refresh

	// most recent data
	vec3_t		lightingOrigin;		// so multi-part models can be lit identically (RF_LIGHTING_ORIGIN)
	float		shadowPlane;		// projection shadows go here, stencils go slightly lower

	vec3_t		axis[3];			// rotation vectors
	qboolean	nonNormalizedAxes;	// axis are not normalized, i.e. they have scale
	float		origin[3];			// also used as MODEL_BEAM's "from"
	int			frame;				// also used as MODEL_BEAM's diameter

	// previous data for frame interpolation
	float		oldorigin[3];		// also used as MODEL_BEAM's "to"
	int			oldframe;
	float		backlerp;			// 0.0 = current, 1.0 = old

	// texturing
	int			skinNum;			// inline skin index
	qhandle_t	customSkin;			// NULL for default skin
	qhandle_t	customShader;		// use one image for the entire thing

	// misc
	byte		shaderRGBA[4];		// colors used by rgbgen entity shaders
	float		shaderTexCoord[2];	// texture coordinates used by tcMod entity modifiers
	float		shaderTime;			// subtracted from refdef time to control effect start times

	// extra sprite information
	float		radius;
	float		rotation;
} refEntity_t;


#define	MAX_RENDER_STRINGS			8
#define	MAX_RENDER_STRING_LENGTH	32

typedef struct {
	int			x, y, width, height;
	float		fov_x, fov_y;
	vec3_t		vieworg;
	vec3_t		viewaxis[3];		// transformation matrix

	// time in milliseconds for shader effects and other time dependent rendering issues
	int			time;

	int			rdflags;			// RDF_NOWORLDMODEL, etc

	// 1 bits will prevent the associated area from rendering at all
	byte		areamask[MAX_MAP_AREA_BYTES];

	// text messages for deform text shaders
	char		text[MAX_RENDER_STRINGS][MAX_RENDER_STRING_LENGTH];
} refdef_t;


typedef enum {
	STEREO_CENTER,
	STEREO_LEFT,
	STEREO_RIGHT
} stereoFrame_t;


/*
** glconfig_t
**
** Contains variables specific to the OpenGL configuration
** being run right now.  These are constant once the OpenGL
** subsystem is initialized.
*/
typedef enum {
	TC_NONE,
	TC_S3TC
} textureCompression_t;

typedef enum {
	GLDRV_ICD,					// driver is integrated with window system
								// WARNING: there are tests that check for
								// > GLDRV_ICD for minidriverness, so this
								// should always be the lowest value in this
								// enum set
	GLDRV_STANDALONE,			// driver is a non-3Dfx standalone driver
	GLDRV_VOODOO				// driver is a 3Dfx standalone driver
} glDriverType_t;

typedef enum {
	GLHW_GENERIC,			// where everthing works the way it should
	GLHW_3DFX_2D3D,			// Voodoo Banshee or Voodoo3, relevant since if this is
							// the hardware type then there can NOT exist a secondary
							// display adapter
	GLHW_RIVA128,			// where you can't interpolate alpha
	GLHW_RAGEPRO,			// where you can't modulate alpha on alpha textures
	GLHW_PERMEDIA2			// where you don't have src*dst
} glHardwareType_t;

typedef struct {
	char					renderer_string[MAX_STRING_CHARS];
	char					vendor_string[MAX_STRING_CHARS];
	char					version_string[MAX_STRING_CHARS];
	char					extensions_string[BIG_INFO_STRING];

	int						maxTextureSize;			// queried from GL
	int						maxActiveTextures;		// multitexture ability

	int						colorBits, depthBits, stencilBits;

	glDriverType_t			driverType;
	glHardwareType_t		hardwareType;

	qboolean				deviceSupportsGamma;
	textureCompression_t	textureCompression;
	qboolean				textureEnvAddAvailable;

	int						vidWidth, vidHeight;
	// aspect is the screen's physical width / height, which may be different
	// than scrWidth / scrHeight if the pixels are non-square
	// normal screens should be 4/3, but wide aspect monitors may be 16/9
	float					windowAspect;

	int						displayFrequency;

	// synonymous with "does rendering consume the entire screen?", therefore
	// a Voodoo or Voodoo2 will have this set to TRUE, as will a Win32 ICD that
	// used CDS.
	qboolean				isFullscreen;
	qboolean				stereoEnabled;
	qboolean				smpActive;		// dual processor

	qboolean				textureFilterAnisotropic;
	int							maxAnisotropy;
                
} glconfig_t;

// FIXME: VM should be OS agnostic .. in theory

/*
#ifdef Q3_VM

#define _3DFX_DRIVER_NAME	"Voodoo"
#define OPENGL_DRIVER_NAME	"Default"

#elif defined(_WIN32)
*/

#if defined(Q3_VM) || defined(_WIN32)

#define _3DFX_DRIVER_NAME	"3dfxvgl"
#define OPENGL_DRIVER_NAME	"opengl32"

#elif defined(MACOS_X)

#define _3DFX_DRIVER_NAME	"libMesaVoodooGL.dylib"
#define OPENGL_DRIVER_NAME	"/System/Library/Frameworks/OpenGL.framework/Libraries/libGL.dylib"

#else

#define _3DFX_DRIVER_NAME	"libMesaVoodooGL.so"
// https://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=524
#define OPENGL_DRIVER_NAME	"libGL.so.1"

#endif	// !defined _WIN32

#endif	// __TR_TYPES_H