X-Git-Url: http://de.git.xonotic.org/?p=xonotic%2Fdarkplaces.git;a=blobdiff_plain;f=glquake.h;h=96762ea96c34e0c32ba4dd11d90403e0a862cf7d;hp=c9e0e039906f944f4de6f7fcd0524bbe62a8a902;hb=93301e7f1c63b5183b3b1c6b242ed2bb566f647b;hpb=e4b3858e7aca0ead91be1d8f675db084d025abad

diff --git a/glquake.h b/glquake.h
index c9e0e039..96762ea9 100644
--- a/glquake.h
+++ b/glquake.h
@@ -8,7 +8,7 @@ of the License, or (at your option) any later version.
 
 This program 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.  
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
 See the GNU General Public License for more details.
 
@@ -17,184 +17,509 @@ along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 
 */
+
+#ifndef GLQUAKE_H
+#define GLQUAKE_H
+
 // disable data conversion warnings
 
 #ifdef _MSC_VER
-//#pragma warning(disable : 4244)     // MIPS
-//#pragma warning(disable : 4136)     // X86
-//#pragma warning(disable : 4051)     // ALPHA
 #pragma warning(disable : 4244)     // LordHavoc: MSVC++ 4 x86, double/float
 #pragma warning(disable : 4305)		// LordHavoc: MSVC++ 6 x86, double/float
-#pragma warning(disable : 4018)		// LordHavoc: MSVC++ 4 x86, signed/unsigned mismatch
-#endif
-
-#ifdef _WIN32
-#include <windows.h>
-#define strcasecmp stricmp
-#define strncasecmp strnicmp
 #endif
 
-#include <GL/gl.h>
-//#include <GL/glu.h>
-
-extern qboolean isG200;
-extern qboolean isRagePro;
-extern qboolean gl_mtexable;
-extern qboolean gl_supportslockarrays;
-
-extern void GL_BeginRendering (int *x, int *y, int *width, int *height);
-extern void GL_EndRendering (void);
-
-extern	float	gldepthmin, gldepthmax;
-
-typedef struct
-{
-	float	x, y, z;
-	float	s, t;
-	float	r, g, b;
-} glvert_t;
-
-extern glvert_t glv;
-
-extern	int glx, gly, glwidth, glheight;
-
-// r_local.h -- private refresh defs
-
-#define ALIAS_BASE_SIZE_RATIO		(1.0 / 11.0)
-					// normalizing factor so player model works out to about
-					//  1 pixel per triangle
-#define	MAX_LBM_HEIGHT		480
-
-#define BACKFACE_EPSILON	0.01
-
-
-extern void R_TimeRefresh_f (void);
 
 //====================================================
 
-
-extern	entity_t	r_worldentity;
-extern	qboolean	r_cache_thrash;		// compatability
-extern	vec3_t		modelorg, r_entorigin;
-extern	entity_t	*currententity;
-extern	int			r_visframecount;	// ??? what difs?
-extern	int			r_framecount;
-extern	mplane_t	frustum[4];
-extern	int		c_brush_polys, c_alias_polys, c_light_polys, c_faces, c_nodes, c_leafs, c_models, c_bmodels, c_sprites, c_particles, c_dlights;
-
-
-//
-// view origin
-//
-extern	vec3_t	vup;
-extern	vec3_t	vpn;
-extern	vec3_t	vright;
-extern	vec3_t	r_origin;
-
-//
-// screen size info
-//
-extern	refdef_t	r_refdef;
-extern	mleaf_t		*r_viewleaf, *r_oldviewleaf;
-extern	texture_t	*r_notexture_mip;
-extern	unsigned short	d_lightstylevalue[256];	// 8.8 fraction of base light value
-
-extern	qboolean	envmap;
-
-extern	int	skytexturenum;		// index in cl.loadmodel, not gl texture object
-
-extern	cvar_t	r_drawentities;
-extern	cvar_t	r_drawviewmodel;
-extern	cvar_t	r_speeds;
-extern	cvar_t	r_fullbright;
-extern	cvar_t	r_wateralpha;
-extern	cvar_t	r_dynamic;
-extern	cvar_t	r_novis;
-extern	cvar_t	r_waterripple;
-
-extern	float	r_world_matrix[16];
-
-extern	const char *gl_vendor;
-extern	const char *gl_renderer;
-extern	const char *gl_version;
-extern	const char *gl_extensions;
-
-// Multitexture
-#define    TEXTURE0_SGIS				0x835E
-#define    TEXTURE1_SGIS				0x835F
-
-#ifndef _WIN32
-#define APIENTRY /* */
+// wgl uses APIENTRY
+#ifndef APIENTRY
+#define APIENTRY
 #endif
 
-// LordHavoc: ARB multitexure support
-extern int		gl_mtex_enum;
-
 // for platforms (wgl) that do not use GLAPIENTRY
 #ifndef GLAPIENTRY
 #define GLAPIENTRY APIENTRY
 #endif
 
-// multitexture
-extern void (GLAPIENTRY *qglMTexCoord2f) (GLenum, GLfloat, GLfloat);
-extern void (GLAPIENTRY *qglSelectTexture) (GLenum);
-extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
-extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
-
+#ifndef GL_PROJECTION
+typedef unsigned int GLenum;
+typedef unsigned char GLboolean;
+typedef unsigned int GLbitfield;
+typedef void GLvoid;
+// 1-byte signed
+typedef signed char GLbyte;
+// 2-byte signed
+typedef short GLshort;
+// 4-byte signed
+typedef int GLint;
+// 1-byte unsigned
+typedef unsigned char GLubyte;
+// 2-byte unsigned
+typedef unsigned short GLushort;
+// 4-byte unsigned
+typedef unsigned int GLuint;
+// 4-byte signed
+typedef int GLsizei;
+// single precision float
+typedef float GLfloat;
+// single precision float in [0,1]
+typedef float GLclampf;
+// double precision float
+typedef double GLdouble;
+// double precision float in [0,1]
+typedef double GLclampd;
+
+#define GL_MODELVIEW				0x1700
+#define GL_PROJECTION				0x1701
+#define GL_TEXTURE				0x1702
+#define GL_MATRIX_MODE				0x0BA0
+#define GL_MODELVIEW_MATRIX			0x0BA6
+#define GL_PROJECTION_MATRIX			0x0BA7
+#define GL_TEXTURE_MATRIX			0x0BA8
+
+#define GL_DEPTH_TEST				0x0B71
+
+#define GL_CULL_FACE				0x0B44
+
+#define GL_BLEND				0x0BE2
+
+#define GL_ZERO					0x0
+#define GL_ONE					0x1
+#define GL_SRC_COLOR				0x0300
+#define GL_ONE_MINUS_SRC_COLOR			0x0301
+#define GL_DST_COLOR				0x0306
+#define GL_ONE_MINUS_DST_COLOR			0x0307
+#define GL_SRC_ALPHA				0x0302
+#define GL_ONE_MINUS_SRC_ALPHA			0x0303
+#define GL_DST_ALPHA				0x0304
+#define GL_ONE_MINUS_DST_ALPHA			0x0305
+#define GL_SRC_ALPHA_SATURATE			0x0308
+#define GL_CONSTANT_COLOR			0x8001
+#define GL_ONE_MINUS_CONSTANT_COLOR		0x8002
+#define GL_CONSTANT_ALPHA			0x8003
+#define GL_ONE_MINUS_CONSTANT_ALPHA		0x8004
+
+#define GL_TEXTURE_ENV				0x2300
+#define GL_TEXTURE_ENV_MODE			0x2200
+#define GL_TEXTURE_1D				0x0DE0
+#define GL_TEXTURE_2D				0x0DE1
+#define GL_TEXTURE_WRAP_S			0x2802
+#define GL_TEXTURE_WRAP_T			0x2803
+#define GL_TEXTURE_WRAP_R			0x8072
+#define GL_TEXTURE_BORDER_COLOR			0x1004
+#define GL_TEXTURE_MAG_FILTER			0x2800
+#define GL_TEXTURE_MIN_FILTER			0x2801
+#define GL_UNPACK_ALIGNMENT			0x0CF5
+#define GL_TEXTURE_BINDING_1D                   0x8068
+#define GL_TEXTURE_BINDING_2D                   0x8069
+
+#define GL_NEAREST				0x2600
+#define GL_LINEAR				0x2601
+#define GL_NEAREST_MIPMAP_NEAREST		0x2700
+#define GL_NEAREST_MIPMAP_LINEAR		0x2702
+#define GL_LINEAR_MIPMAP_NEAREST		0x2701
+#define GL_LINEAR_MIPMAP_LINEAR			0x2703
+
+extern int gl_support_anisotropy;
+#define GL_TEXTURE_MAX_ANISOTROPY_EXT		0x84FE
+#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT	0x84FF
+
+#define GL_ADD					0x0104
+#define GL_DECAL				0x2101
+#define GL_MODULATE				0x2100
+
+#define GL_REPEAT				0x2901
+#define GL_CLAMP				0x2900
+
+#define GL_POINTS				0x0000
+#define GL_LINES				0x0001
+#define GL_LINE_LOOP			0x0002
+#define GL_LINE_STRIP			0x0003
+#define GL_TRIANGLES			0x0004
+#define GL_TRIANGLE_STRIP		0x0005
+#define GL_TRIANGLE_FAN			0x0006
+#define GL_QUADS				0x0007
+#define GL_QUAD_STRIP			0x0008
+#define GL_POLYGON				0x0009
+
+#define GL_FALSE				0x0
+#define GL_TRUE					0x1
+
+#define GL_BYTE					0x1400
+#define GL_UNSIGNED_BYTE			0x1401
+#define GL_SHORT				0x1402
+#define GL_UNSIGNED_SHORT			0x1403
+#define GL_INT					0x1404
+#define GL_UNSIGNED_INT				0x1405
+#define GL_FLOAT				0x1406
+#define GL_DOUBLE				0x140A
+#define GL_2_BYTES				0x1407
+#define GL_3_BYTES				0x1408
+#define GL_4_BYTES				0x1409
+
+#define GL_VERTEX_ARRAY				0x8074
+#define GL_NORMAL_ARRAY				0x8075
+#define GL_COLOR_ARRAY				0x8076
+//#define GL_INDEX_ARRAY				0x8077
+#define GL_TEXTURE_COORD_ARRAY			0x8078
+//#define GL_EDGE_FLAG_ARRAY			0x8079
+
+#define GL_FRONT				0x0404
+#define GL_BACK					0x0405
+
+#define GL_VENDOR				0x1F00
+#define GL_RENDERER				0x1F01
+#define GL_VERSION				0x1F02
+#define GL_EXTENSIONS				0x1F03
+
+#define GL_NO_ERROR 				0x0
+#define GL_INVALID_VALUE			0x0501
+#define GL_INVALID_ENUM				0x0500
+#define GL_INVALID_OPERATION			0x0502
+#define GL_STACK_OVERFLOW			0x0503
+#define GL_STACK_UNDERFLOW			0x0504
+#define GL_OUT_OF_MEMORY			0x0505
+
+#define GL_DITHER				0x0BD0
+#define GL_RGB					0x1907
+#define GL_RGBA					0x1908
+
+#define GL_MAX_TEXTURE_SIZE			0x0D33
+
+#define GL_NEVER				0x0200
+#define GL_LESS					0x0201
+#define GL_EQUAL				0x0202
+#define GL_LEQUAL				0x0203
+#define GL_GREATER				0x0204
+#define GL_NOTEQUAL				0x0205
+#define GL_GEQUAL				0x0206
+#define GL_ALWAYS				0x0207
+#define GL_DEPTH_TEST				0x0B71
+
+#define GL_RED_SCALE				0x0D14
+#define GL_GREEN_SCALE				0x0D18
+#define GL_BLUE_SCALE				0x0D1A
+#define GL_ALPHA_SCALE				0x0D1C
+
+#define GL_DEPTH_BUFFER_BIT			0x00000100
+#define GL_ACCUM_BUFFER_BIT			0x00000200
+#define GL_STENCIL_BUFFER_BIT			0x00000400
+#define GL_COLOR_BUFFER_BIT			0x00004000
+
+#define GL_STENCIL_TEST				0x0B90
+#define GL_KEEP					0x1E00
+#define GL_REPLACE				0x1E01
+#define GL_INCR					0x1E02
+#define GL_DECR					0x1E03
+
+#define GL_POLYGON_OFFSET_FACTOR          0x8038
+#define GL_POLYGON_OFFSET_UNITS           0x2A00
+#define GL_POLYGON_OFFSET_POINT           0x2A01
+#define GL_POLYGON_OFFSET_LINE            0x2A02
+#define GL_POLYGON_OFFSET_FILL            0x8037
+#endif
 
+// GL_ARB_multitexture
+extern int gl_textureunits;
+extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
+extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
 #ifndef GL_ACTIVE_TEXTURE_ARB
-// multitexture
 #define GL_ACTIVE_TEXTURE_ARB			0x84E0
 #define GL_CLIENT_ACTIVE_TEXTURE_ARB	0x84E1
-#define GL_MAX_TEXTURES_UNITS_ARB		0x84E2
+#define GL_MAX_TEXTURE_UNITS_ARB		0x84E2
 #define GL_TEXTURE0_ARB					0x84C0
 #define GL_TEXTURE1_ARB					0x84C1
 #define GL_TEXTURE2_ARB					0x84C2
 #define GL_TEXTURE3_ARB					0x84C3
-// LordHavoc: ARB supports 32+ texture units, but hey I only use 2 anyway...
+#define GL_TEXTURE4_ARB					0x84C4
+#define GL_TEXTURE5_ARB					0x84C5
+#define GL_TEXTURE6_ARB					0x84C6
+#define GL_TEXTURE7_ARB					0x84C7
+#define GL_TEXTURE8_ARB					0x84C8
+#define GL_TEXTURE9_ARB					0x84C9
+#define GL_TEXTURE10_ARB				0x84CA
+#define GL_TEXTURE11_ARB				0x84CB
+#define GL_TEXTURE12_ARB				0x84CC
+#define GL_TEXTURE13_ARB				0x84CD
+#define GL_TEXTURE14_ARB				0x84CE
+#define GL_TEXTURE15_ARB				0x84CF
+#define GL_TEXTURE16_ARB				0x84D0
+#define GL_TEXTURE17_ARB				0x84D1
+#define GL_TEXTURE18_ARB				0x84D2
+#define GL_TEXTURE19_ARB				0x84D3
+#define GL_TEXTURE20_ARB				0x84D4
+#define GL_TEXTURE21_ARB				0x84D5
+#define GL_TEXTURE22_ARB				0x84D6
+#define GL_TEXTURE23_ARB				0x84D7
+#define GL_TEXTURE24_ARB				0x84D8
+#define GL_TEXTURE25_ARB				0x84D9
+#define GL_TEXTURE26_ARB				0x84DA
+#define GL_TEXTURE27_ARB				0x84DB
+#define GL_TEXTURE28_ARB				0x84DC
+#define GL_TEXTURE29_ARB				0x84DD
+#define GL_TEXTURE30_ARB				0x84DE
+#define GL_TEXTURE31_ARB				0x84DF
 #endif
 
-#ifdef WIN32
-#else
-//#ifndef MESA
-//extern void (GLAPIENTRY *glColorTableEXT)(int, int, int, int, int, const void*);
-//#endif
+// GL_EXT_compiled_vertex_array
+extern int gl_supportslockarrays;
+extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
+extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
 
+// GL_ARB_texture_env_combine
+extern int gl_combine_extension;
+#ifndef GL_COMBINE_ARB
+#define GL_COMBINE_ARB					0x8570
+#define GL_COMBINE_RGB_ARB				0x8571
+#define GL_COMBINE_ALPHA_ARB			0x8572
+#define GL_SOURCE0_RGB_ARB				0x8580
+#define GL_SOURCE1_RGB_ARB				0x8581
+#define GL_SOURCE2_RGB_ARB				0x8582
+#define GL_SOURCE0_ALPHA_ARB			0x8588
+#define GL_SOURCE1_ALPHA_ARB			0x8589
+#define GL_SOURCE2_ALPHA_ARB			0x858A
+#define GL_OPERAND0_RGB_ARB				0x8590
+#define GL_OPERAND1_RGB_ARB				0x8591
+#define GL_OPERAND2_RGB_ARB				0x8592
+#define GL_OPERAND0_ALPHA_ARB			0x8598
+#define GL_OPERAND1_ALPHA_ARB			0x8599
+#define GL_OPERAND2_ALPHA_ARB			0x859A
+#define GL_RGB_SCALE_ARB				0x8573
+#define GL_ADD_SIGNED_ARB				0x8574
+#define GL_INTERPOLATE_ARB				0x8575
+#define GL_SUBTRACT_ARB					0x84E7
+#define GL_CONSTANT_ARB					0x8576
+#define GL_PRIMARY_COLOR_ARB			0x8577
+#define GL_PREVIOUS_ARB					0x8578
 #endif
 
-// LordHavoc: vertex transform
-#include "transform.h"
+#ifndef GL_MAX_ELEMENTS_VERTICES
+#define GL_MAX_ELEMENTS_VERTICES		0x80E8
+#endif
+#ifndef GL_MAX_ELEMENTS_INDICES
+#define GL_MAX_ELEMENTS_INDICES			0x80E9
+#endif
 
-// LordHavoc: transparent polygon system
-#include "gl_poly.h"
+extern cvar_t gl_combine;
+
+extern int gl_textureshader;
+#ifndef GL_TEXTURE_SHADER_NV
+#define GL_TEXTURE_SHADER_NV			0x86DE
+#define GL_SHADER_OPERATION_NV			0x86DF
+#define GL_OFFSET_TEXTURE_MATRIX_NV		0x86E1
+#define GL_PREVIOUS_TEXTURE_INPUT_NV	0x86E4
+#define GL_OFFSET_TEXTURE_2D_NV			0x86E8
+#define GL_DSDT_NV						0x86F5
+#define GL_DSDT8_NV						0x8709
+#endif
 
-#define gl_solid_format 3
-#define gl_alpha_format 4
+extern int gl_texture3d;
+#ifndef GL_TEXTURE_3D
+#define GL_PACK_SKIP_IMAGES			0x806B
+#define GL_PACK_IMAGE_HEIGHT			0x806C
+#define GL_UNPACK_SKIP_IMAGES			0x806D
+#define GL_UNPACK_IMAGE_HEIGHT			0x806E
+#define GL_TEXTURE_3D				0x806F
+#define GL_PROXY_TEXTURE_3D			0x8070
+#define GL_TEXTURE_DEPTH			0x8071
+#define GL_TEXTURE_WRAP_R			0x8072
+#define GL_MAX_3D_TEXTURE_SIZE			0x8073
+#define GL_TEXTURE_BINDING_3D			0x806A
+extern void (GLAPIENTRY *qglTexImage3D)(GLenum target, GLint level, GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglCopyTexSubImage3D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+#endif
 
-//#define PARANOID
+extern int gl_texturecubemap;
+#ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
+#define GL_NORMAL_MAP_ARB			    0x8511
+#define GL_REFLECTION_MAP_ARB		    0x8512
+#define GL_TEXTURE_CUBE_MAP_ARB		    0x8513
+#define GL_TEXTURE_BINDING_CUBE_MAP_ARB	    0x8514
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB     0x8515
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X_ARB     0x8516
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y_ARB     0x8517
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_ARB     0x8518
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z_ARB     0x8519
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_ARB     0x851A
+#define GL_PROXY_TEXTURE_CUBE_MAP_ARB	    0x851B
+#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB		0x851C
+#endif
+
+extern int gl_dot3arb;
+#ifndef GL_DOT3_RGB_ARB
+#define GL_DOT3_RGB_ARB				0x86AE
+#define GL_DOT3_RGBA_ARB				0x86AF
+#endif
 
-// LordHavoc: was a major time waster
-#define R_CullBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) == 2 || frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) == 2 || frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) == 2 || frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) == 2)
-#define R_NotCulledBox(mins,maxs) (frustum[0].BoxOnPlaneSideFunc(mins, maxs, &frustum[0]) != 2 && frustum[1].BoxOnPlaneSideFunc(mins, maxs, &frustum[1]) != 2 && frustum[2].BoxOnPlaneSideFunc(mins, maxs, &frustum[2]) != 2 && frustum[3].BoxOnPlaneSideFunc(mins, maxs, &frustum[3]) != 2)
+/*
+// uncomment if this is actually needed by anyone
+extern int gl_dot3ext;
+#ifndef GL_DOT3_RGB_EXT
+#define GL_DOT3_RGB_EXT				0x8740
+#define GL_DOT3_RGBA_EXT			0x8741
+#endif
+*/
 
-extern qboolean fogenabled;
-extern vec3_t fogcolor;
-extern vec_t fogdensity;
-//#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2])*(((v)[0] - r_refdef.vieworg[0]) * vpn[0] + ((v)[1] - r_refdef.vieworg[1]) * vpn[1] + ((v)[2] - r_refdef.vieworg[2]) * vpn[2]))))
-#define calcfog(v) (exp(-(fogdensity*fogdensity*(((v)[0] - r_refdef.vieworg[0])*((v)[0] - r_refdef.vieworg[0])+((v)[1] - r_refdef.vieworg[1])*((v)[1] - r_refdef.vieworg[1])+((v)[2] - r_refdef.vieworg[2])*((v)[2] - r_refdef.vieworg[2])))))
-#define calcfogbyte(v) ((byte) (bound(0, ((int) ((float) (calcfog((v)) * 255.0f))), 255)))
+#ifndef GL_SCISSOR_TEST
+#define GL_SCISSOR_TEST				0x0C11
+#define GL_SCISSOR_BOX				0x0C10
+#endif
 
-#include "r_modules.h"
+// GL_SGIS_texture_edge_clamp or GL_EXT_texture_edge_clamp
+extern int gl_support_clamptoedge;
+#ifndef GL_CLAMP_TO_EDGE
+#define GL_CLAMP_TO_EDGE 0x812F
+#endif
 
-extern qboolean lighthalf;
+//GL_NV_vertex_array_range
+extern GLvoid *(GLAPIENTRY *qglAllocateMemoryNV)(GLsizei size, GLfloat readFrequency, GLfloat writeFrequency, GLfloat priority);
+extern GLvoid (GLAPIENTRY *qglFreeMemoryNV)(GLvoid *pointer);
+extern GLvoid (GLAPIENTRY *qglVertexArrayRangeNV)(GLsizei length, GLvoid *pointer);
+extern GLvoid (GLAPIENTRY *qglFlushVertexArrayRangeNV)(GLvoid);
+#define GL_VERTEX_ARRAY_RANGE_NV 0x851D
+#define GL_VERTEX_ARRAY_RANGE_LENGTH_NV 0x851E
+#define GL_MAX_VERTEX_ARRAY_RANGE_ELEMENT_NV 0x8520
+#define GL_VERTEX_ARRAY_RANGE_POINTER_NV 0x8521
+extern int gl_support_var;
+
+//GL_NV_vertex_array_range2
+#define GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV 0x8533
+extern int gl_support_var2;
+
+//GL_EXT_stencil_two_side
+#define GL_STENCIL_TEST_TWO_SIDE_EXT      0x8910
+#define GL_ACTIVE_STENCIL_FACE_EXT        0x8911
+extern void (GLAPIENTRY *qglActiveStencilFaceEXT)(GLenum);
+extern int gl_support_stenciltwoside;
+
+extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
+
+extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+
+extern void (GLAPIENTRY *qglClear)(GLbitfield mask);
+
+//extern void (GLAPIENTRY *qglAlphaFunc)(GLenum func, GLclampf ref);
+extern void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
+extern void (GLAPIENTRY *qglCullFace)(GLenum mode);
+
+//extern void (GLAPIENTRY *qglDrawBuffer)(GLenum mode);
+//extern void (GLAPIENTRY *qglReadBuffer)(GLenum mode);
+extern void (GLAPIENTRY *qglEnable)(GLenum cap);
+extern void (GLAPIENTRY *qglDisable)(GLenum cap);
+extern GLboolean (GLAPIENTRY *qglIsEnabled)(GLenum cap);
+
+extern void (GLAPIENTRY *qglEnableClientState)(GLenum cap);
+extern void (GLAPIENTRY *qglDisableClientState)(GLenum cap);
+
+//extern void (GLAPIENTRY *qglGetBooleanv)(GLenum pname, GLboolean *params);
+//extern void (GLAPIENTRY *qglGetDoublev)(GLenum pname, GLdouble *params);
+//extern void (GLAPIENTRY *qglGetFloatv)(GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetIntegerv)(GLenum pname, GLint *params);
+
+extern GLenum (GLAPIENTRY *qglGetError)(void);
+extern const GLubyte* (GLAPIENTRY *qglGetString)(GLenum name);
+extern void (GLAPIENTRY *qglFinish)(void);
+extern void (GLAPIENTRY *qglFlush)(void);
+
+extern void (GLAPIENTRY *qglClearDepth)(GLclampd depth);
+extern void (GLAPIENTRY *qglDepthFunc)(GLenum func);
+extern void (GLAPIENTRY *qglDepthMask)(GLboolean flag);
+extern void (GLAPIENTRY *qglDepthRange)(GLclampd near_val, GLclampd far_val);
+extern void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+
+extern void (GLAPIENTRY *qglDrawRangeElements)(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, const GLvoid *indices);
+extern void (GLAPIENTRY *qglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
+extern void (GLAPIENTRY *qglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglColorPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *ptr);
+extern void (GLAPIENTRY *qglArrayElement)(GLint i);
+
+extern void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+extern void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+extern void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
+extern void (GLAPIENTRY *qglVertex2f)(GLfloat x, GLfloat y);
+extern void (GLAPIENTRY *qglVertex3f)(GLfloat x, GLfloat y, GLfloat z);
+extern void (GLAPIENTRY *qglBegin)(GLenum mode);
+extern void (GLAPIENTRY *qglEnd)(void);
+
+extern void (GLAPIENTRY *qglMatrixMode)(GLenum mode);
+extern void (GLAPIENTRY *qglOrtho)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+extern void (GLAPIENTRY *qglFrustum)(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val);
+extern void (GLAPIENTRY *qglViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+//extern void (GLAPIENTRY *qglPushMatrix)(void);
+//extern void (GLAPIENTRY *qglPopMatrix)(void);
+extern void (GLAPIENTRY *qglLoadIdentity)(void);
+//extern void (GLAPIENTRY *qglLoadMatrixd)(const GLdouble *m);
+extern void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
+//extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
+//extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
+//extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
+//extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
+//extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
+//extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
+//extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
+//extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
+
+extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
+
+extern void (GLAPIENTRY *qglStencilFunc)(GLenum func, GLint ref, GLuint mask);
+extern void (GLAPIENTRY *qglStencilMask)(GLuint mask);
+extern void (GLAPIENTRY *qglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+extern void (GLAPIENTRY *qglClearStencil)(GLint s);
+
+//extern void (GLAPIENTRY *qglTexEnvf)(GLenum target, GLenum pname, GLfloat param);
+extern void (GLAPIENTRY *qglTexEnvfv)(GLenum target, GLenum pname, const GLfloat *params);
+extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
+extern void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
+//extern void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
+
+extern void (GLAPIENTRY *qglGenTextures)(GLsizei n, GLuint *textures);
+extern void (GLAPIENTRY *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+extern void (GLAPIENTRY *qglBindTexture)(GLenum target, GLuint texture);
+//extern void (GLAPIENTRY *qglPrioritizeTextures)(GLsizei n, const GLuint *textures, const GLclampf *priorities);
+//extern GLboolean (GLAPIENTRY *qglAreTexturesResident)(GLsizei n, const GLuint *textures, GLboolean *residences);
+extern GLboolean (GLAPIENTRY *qglIsTexture)(GLuint texture);
+//extern void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+extern void (GLAPIENTRY *qglPixelStorei)(GLenum pname, GLint param);
+
+extern void (GLAPIENTRY *qglTexImage1D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels);
+extern void (GLAPIENTRY *qglCopyTexImage1D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLint border);
+extern void (GLAPIENTRY *qglCopyTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border);
+extern void (GLAPIENTRY *qglCopyTexSubImage1D)(GLenum target, GLint level, GLint xoffset, GLint x, GLint y, GLsizei width);
+extern void (GLAPIENTRY *qglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
+
+extern void (GLAPIENTRY *qglPolygonOffset)(GLfloat factor, GLfloat units);
+
+#if WIN32
+extern int (WINAPI *qwglChoosePixelFormat)(HDC, CONST PIXELFORMATDESCRIPTOR *);
+extern int (WINAPI *qwglDescribePixelFormat)(HDC, int, UINT, LPPIXELFORMATDESCRIPTOR);
+//extern int (WINAPI *qwglGetPixelFormat)(HDC);
+extern BOOL (WINAPI *qwglSetPixelFormat)(HDC, int, CONST PIXELFORMATDESCRIPTOR *);
+extern BOOL (WINAPI *qwglSwapBuffers)(HDC);
+extern HGLRC (WINAPI *qwglCreateContext)(HDC);
+extern BOOL (WINAPI *qwglDeleteContext)(HGLRC);
+extern PROC (WINAPI *qwglGetProcAddress)(LPCSTR);
+extern BOOL (WINAPI *qwglMakeCurrent)(HDC, HGLRC);
+extern BOOL (WINAPI *qwglSwapIntervalEXT)(int interval);
+#endif
 
-#include "r_lerpanim.h"
+#define DEBUGGL
 
-void GL_LockArray(int first, int count);
-void GL_UnlockArray();
+#ifdef DEBUGGL
+#define CHECKGLERROR {if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);if (gl_paranoid.integer && (errornumber = qglGetError())) GL_PrintError(errornumber, __FILE__, __LINE__);}
+extern int errornumber;
+void GL_PrintError(int errornumber, char *filename, int linenumber);
+#else
+#define CHECKGLERROR
+#endif
 
-void R_DrawAliasModel (entity_t *ent, int cull, float alpha, model_t *clmodel, frameblend_t *blend, int skin, vec3_t org, vec3_t angles, vec_t scale, int effects, int flags, int colormap);
+#endif
 
-extern cvar_t r_render;
-extern cvar_t r_upload;
-#include "image.h"