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 float gldepthmin, gldepthmax;
//====================================================
-extern const char *gl_vendor;
-extern const char *gl_renderer;
-extern const char *gl_version;
-extern const char *gl_extensions;
-
// wgl uses APIENTRY
#ifndef APIENTRY
#define APIENTRY
#define GLAPIENTRY APIENTRY
#endif
+#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;
+extern int gl_max_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
+
+#define GL_POINT_SMOOTH 0x0B10
+#define GL_LINE_SMOOTH 0x0B20
+#define GL_POLYGON_SMOOTH 0x0B41
+#endif
+
// GL_ARB_multitexture
extern int gl_textureunits;
+extern void (GLAPIENTRY *qglMultiTexCoord1f) (GLenum, GLfloat);
extern void (GLAPIENTRY *qglMultiTexCoord2f) (GLenum, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglMultiTexCoord3f) (GLenum, GLfloat, GLfloat, GLfloat);
+extern void (GLAPIENTRY *qglMultiTexCoord4f) (GLenum, GLfloat, GLfloat, GLfloat, GLfloat);
extern void (GLAPIENTRY *qglActiveTexture) (GLenum);
extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
#ifndef GL_ACTIVE_TEXTURE_ARB
#define GL_MAX_ELEMENTS_INDICES 0x80E9
#endif
-extern cvar_t gl_combine;
-extern int gl_maxdrawrangeelementsvertices;
-extern int gl_maxdrawrangeelementsindices;
+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
+
+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
+
+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
+
+/*
+// 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
+*/
+
+#ifndef GL_SCISSOR_TEST
+#define GL_SCISSOR_TEST 0x0C11
+#define GL_SCISSOR_BOX 0x0C10
+#endif
+
+// 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
+
+//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 *qglAlphaFunc)(GLenum func, GLclampf ref);
extern void (GLAPIENTRY *qglBlendFunc)(GLenum sfactor, GLenum dfactor);
extern void (GLAPIENTRY *qglCullFace)(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 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 *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 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 *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 *qglColor4ub)(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha);
+extern void (GLAPIENTRY *qglColor4f)(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha);
+extern void (GLAPIENTRY *qglTexCoord1f)(GLfloat s);
extern void (GLAPIENTRY *qglTexCoord2f)(GLfloat s, GLfloat t);
+extern void (GLAPIENTRY *qglTexCoord3f)(GLfloat s, GLfloat t, GLfloat r);
+extern void (GLAPIENTRY *qglTexCoord4f)(GLfloat s, GLfloat t, GLfloat r, GLfloat q);
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 *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 *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 *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 *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 *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 *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 *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 *qglTexImage2D)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels );
+//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 *qglDeleteTextures)(GLsizei n, const GLuint *textures);
+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);
+
+// GL_ARB_shader_objects
+extern int gl_support_shader_objects;
+#ifndef GL_PROGRAM_OBJECT_ARB
+// 1-byte character string
+typedef char GLcharARB;
+// 4-byte integer handle to a shader object or program object
+typedef int GLhandleARB;
+#endif
+extern void (GLAPIENTRY *qglDeleteObjectARB)(GLhandleARB obj);
+extern GLhandleARB (GLAPIENTRY *qglGetHandleARB)(GLenum pname);
+extern void (GLAPIENTRY *qglDetachObjectARB)(GLhandleARB containerObj, GLhandleARB attachedObj);
+extern GLhandleARB (GLAPIENTRY *qglCreateShaderObjectARB)(GLenum shaderType);
+extern void (GLAPIENTRY *qglShaderSourceARB)(GLhandleARB shaderObj, GLsizei count, const GLcharARB **string, const GLint *length);
+extern void (GLAPIENTRY *qglCompileShaderARB)(GLhandleARB shaderObj);
+extern GLhandleARB (GLAPIENTRY *qglCreateProgramObjectARB)(void);
+extern void (GLAPIENTRY *qglAttachObjectARB)(GLhandleARB containerObj, GLhandleARB obj);
+extern void (GLAPIENTRY *qglLinkProgramARB)(GLhandleARB programObj);
+extern void (GLAPIENTRY *qglUseProgramObjectARB)(GLhandleARB programObj);
+extern void (GLAPIENTRY *qglValidateProgramARB)(GLhandleARB programObj);
+extern void (GLAPIENTRY *qglUniform1fARB)(GLint location, GLfloat v0);
+extern void (GLAPIENTRY *qglUniform2fARB)(GLint location, GLfloat v0, GLfloat v1);
+extern void (GLAPIENTRY *qglUniform3fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+extern void (GLAPIENTRY *qglUniform4fARB)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+extern void (GLAPIENTRY *qglUniform1iARB)(GLint location, GLint v0);
+extern void (GLAPIENTRY *qglUniform2iARB)(GLint location, GLint v0, GLint v1);
+extern void (GLAPIENTRY *qglUniform3iARB)(GLint location, GLint v0, GLint v1, GLint v2);
+extern void (GLAPIENTRY *qglUniform4iARB)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+extern void (GLAPIENTRY *qglUniform1fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform2fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform3fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform4fvARB)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform1ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform2ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform3ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform4ivARB)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniformMatrix2fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix3fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix4fvARB)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglGetObjectParameterfvARB)(GLhandleARB obj, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetObjectParameterivARB)(GLhandleARB obj, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetInfoLogARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *infoLog);
+extern void (GLAPIENTRY *qglGetAttachedObjectsARB)(GLhandleARB containerObj, GLsizei maxCount, GLsizei *count, GLhandleARB *obj);
+extern GLint (GLAPIENTRY *qglGetUniformLocationARB)(GLhandleARB programObj, const GLcharARB *name);
+extern void (GLAPIENTRY *qglGetActiveUniformARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
+extern void (GLAPIENTRY *qglGetUniformfvARB)(GLhandleARB programObj, GLint location, GLfloat *params);
+extern void (GLAPIENTRY *qglGetUniformivARB)(GLhandleARB programObj, GLint location, GLint *params);
+extern void (GLAPIENTRY *qglGetShaderSourceARB)(GLhandleARB obj, GLsizei maxLength, GLsizei *length, GLcharARB *source);
+#ifndef GL_PROGRAM_OBJECT_ARB
+#define GL_PROGRAM_OBJECT_ARB 0x8B40
+#define GL_OBJECT_TYPE_ARB 0x8B4E
+#define GL_OBJECT_SUBTYPE_ARB 0x8B4F
+#define GL_OBJECT_DELETE_STATUS_ARB 0x8B80
+#define GL_OBJECT_COMPILE_STATUS_ARB 0x8B81
+#define GL_OBJECT_LINK_STATUS_ARB 0x8B82
+#define GL_OBJECT_VALIDATE_STATUS_ARB 0x8B83
+#define GL_OBJECT_INFO_LOG_LENGTH_ARB 0x8B84
+#define GL_OBJECT_ATTACHED_OBJECTS_ARB 0x8B85
+#define GL_OBJECT_ACTIVE_UNIFORMS_ARB 0x8B86
+#define GL_OBJECT_ACTIVE_UNIFORM_MAX_LENGTH_ARB 0x8B87
+#define GL_OBJECT_SHADER_SOURCE_LENGTH_ARB 0x8B88
+#define GL_SHADER_OBJECT_ARB 0x8B48
+#define GL_FLOAT 0x1406
+#define GL_FLOAT_VEC2_ARB 0x8B50
+#define GL_FLOAT_VEC3_ARB 0x8B51
+#define GL_FLOAT_VEC4_ARB 0x8B52
+#define GL_INT 0x1404
+#define GL_INT_VEC2_ARB 0x8B53
+#define GL_INT_VEC3_ARB 0x8B54
+#define GL_INT_VEC4_ARB 0x8B55
+#define GL_BOOL_ARB 0x8B56
+#define GL_BOOL_VEC2_ARB 0x8B57
+#define GL_BOOL_VEC3_ARB 0x8B58
+#define GL_BOOL_VEC4_ARB 0x8B59
+#define GL_FLOAT_MAT2_ARB 0x8B5A
+#define GL_FLOAT_MAT3_ARB 0x8B5B
+#define GL_FLOAT_MAT4_ARB 0x8B5C
+#define GL_SAMPLER_1D_ARB 0x8B5D
+#define GL_SAMPLER_2D_ARB 0x8B5E
+#define GL_SAMPLER_3D_ARB 0x8B5F
+#define GL_SAMPLER_CUBE_ARB 0x8B60
+#define GL_SAMPLER_1D_SHADOW_ARB 0x8B61
+#define GL_SAMPLER_2D_SHADOW_ARB 0x8B62
+#define GL_SAMPLER_2D_RECT_ARB 0x8B63
+#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
+#endif
-#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);
+// GL_ARB_vertex_shader
+extern int gl_support_vertex_shader;
+//extern void (GLAPIENTRY *qglVertexAttrib1fARB)(GLuint index, GLfloat v0);
+//extern void (GLAPIENTRY *qglVertexAttrib1sARB)(GLuint index, GLshort v0);
+//extern void (GLAPIENTRY *qglVertexAttrib1dARB)(GLuint index, GLdouble v0);
+//extern void (GLAPIENTRY *qglVertexAttrib2fARB)(GLuint index, GLfloat v0, GLfloat v1);
+//extern void (GLAPIENTRY *qglVertexAttrib2sARB)(GLuint index, GLshort v0, GLshort v1);
+//extern void (GLAPIENTRY *qglVertexAttrib2dARB)(GLuint index, GLdouble v0, GLdouble v1);
+//extern void (GLAPIENTRY *qglVertexAttrib3fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
+//extern void (GLAPIENTRY *qglVertexAttrib3sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
+//extern void (GLAPIENTRY *qglVertexAttrib3dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
+//extern void (GLAPIENTRY *qglVertexAttrib4fARB)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+//extern void (GLAPIENTRY *qglVertexAttrib4sARB)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
+//extern void (GLAPIENTRY *qglVertexAttrib4dARB)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
+//extern void (GLAPIENTRY *qglVertexAttrib4NubARB)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
+//extern void (GLAPIENTRY *qglVertexAttrib1fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib1svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib1dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib2fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib2svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib2dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib3fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib3svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib3dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4fvARB)(GLuint index, const GLfloat *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4svARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4dvARB)(GLuint index, const GLdouble *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4ivARB)(GLuint index, const GLint *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4bvARB)(GLuint index, const GLbyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4ubvARB)(GLuint index, const GLubyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4usvARB)(GLuint index, const GLushort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4uivARB)(GLuint index, const GLuint *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NbvARB)(GLuint index, const GLbyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NsvARB)(GLuint index, const GLshort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NivARB)(GLuint index, const GLint *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NubvARB)(GLuint index, const GLubyte *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NusvARB)(GLuint index, const GLushort *v);
+//extern void (GLAPIENTRY *qglVertexAttrib4NuivARB)(GLuint index, const GLuint *v);
+extern void (GLAPIENTRY *qglVertexAttribPointerARB)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
+extern void (GLAPIENTRY *qglEnableVertexAttribArrayARB)(GLuint index);
+extern void (GLAPIENTRY *qglDisableVertexAttribArrayARB)(GLuint index);
+extern void (GLAPIENTRY *qglBindAttribLocationARB)(GLhandleARB programObj, GLuint index, const GLcharARB *name);
+extern void (GLAPIENTRY *qglGetActiveAttribARB)(GLhandleARB programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLcharARB *name);
+extern GLint (GLAPIENTRY *qglGetAttribLocationARB)(GLhandleARB programObj, const GLcharARB *name);
+//extern void (GLAPIENTRY *qglGetVertexAttribdvARB)(GLuint index, GLenum pname, GLdouble *params);
+//extern void (GLAPIENTRY *qglGetVertexAttribfvARB)(GLuint index, GLenum pname, GLfloat *params);
+//extern void (GLAPIENTRY *qglGetVertexAttribivARB)(GLuint index, GLenum pname, GLint *params);
+//extern void (GLAPIENTRY *qglGetVertexAttribPointervARB)(GLuint index, GLenum pname, GLvoid **pointer);
+#ifndef GL_VERTEX_SHADER_ARB
+#define GL_VERTEX_SHADER_ARB 0x8B31
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB 0x8B4A
+#define GL_MAX_VARYING_FLOATS_ARB 0x8B4B
+#define GL_MAX_VERTEX_ATTRIBS_ARB 0x8869
+#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB 0x8B4C
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB 0x8B4D
+#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
+#define GL_VERTEX_PROGRAM_POINT_SIZE_ARB 0x8642
+#define GL_VERTEX_PROGRAM_TWO_SIDE_ARB 0x8643
+#define GL_OBJECT_ACTIVE_ATTRIBUTES_ARB 0x8B89
+#define GL_OBJECT_ACTIVE_ATTRIBUTE_MAX_LENGTH_ARB 0x8B8A
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED_ARB 0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE_ARB 0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE_ARB 0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE_ARB 0x8625
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED_ARB 0x886A
+#define GL_CURRENT_VERTEX_ATTRIB_ARB 0x8626
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER_ARB 0x8645
+#define GL_FLOAT 0x1406
+#define GL_FLOAT_VEC2_ARB 0x8B50
+#define GL_FLOAT_VEC3_ARB 0x8B51
+#define GL_FLOAT_VEC4_ARB 0x8B52
+#define GL_FLOAT_MAT2_ARB 0x8B5A
+#define GL_FLOAT_MAT3_ARB 0x8B5B
+#define GL_FLOAT_MAT4_ARB 0x8B5C
#endif
+// GL_ARB_fragment_shader
+extern int gl_support_fragment_shader;
+#ifndef GL_FRAGMENT_SHADER_ARB
+#define GL_FRAGMENT_SHADER_ARB 0x8B30
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB 0x8B49
+#define GL_MAX_TEXTURE_COORDS_ARB 0x8871
+#define GL_MAX_TEXTURE_IMAGE_UNITS_ARB 0x8872
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT_ARB 0x8B8B
+#endif
+
+// GL_ARB_shading_language_100
+extern int gl_support_shading_language_100;
+#ifndef GL_SHADING_LANGUAGE_VERSION_ARB
+#define GL_SHADING_LANGUAGE_VERSION_ARB 0x8B8C
+#endif
+
+// GL_EXT_bgr
+#define GL_BGR 0x80E0
+
+// GL_EXT_bgra
+#define GL_BGRA 0x80E1
+
+// GL_NV_half_float
+extern int gl_support_half_float;
+// note: this extension has GL_HALF stuff for feeding half floats but I don't use that
+
#define DEBUGGL
#ifdef DEBUGGL
-#define CHECKGLERROR if ((errornumber = glGetError())) GL_PrintError(errornumber, __FILE__, __LINE__);
+#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
+
+#endif
+