]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - glquake.h
Added r_shadow_bouncegrid_lightpathsize which is an alternative to blur
[xonotic/darkplaces.git] / glquake.h
index 69542c0e260b573f682df7ea438a98b6b969a02a..5f4cc84dfb06ce3394e775e5bccb4cda3b2298b1 100644 (file)
--- a/glquake.h
+++ b/glquake.h
@@ -21,17 +21,40 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #ifndef GLQUAKE_H
 #define GLQUAKE_H
 
+#ifdef USE_GLES2
+#ifdef __IPHONEOS__
+#include <OpenGLES/ES2/gl.h>
+#else
+#include <SDL_opengles2.h>
+#endif
+// used in R_SetupShader_Generic calls, not actually passed to GL
+#ifndef GL_MODULATE
+#define GL_MODULATE                            0x2100
+#define GL_DECAL                          0x2101
+#define GL_ADD                            0x0104
+#endif
+#endif
+
 // disable data conversion warnings
 
 #ifdef _MSC_VER
-#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
+#pragma warning(disable : 4310) // LordHavoc: MSVC++ 2008 x86: cast truncates constant value
+#pragma warning(disable : 4245) // LordHavoc: MSVC++ 2008 x86: 'initializing' : conversion from 'int' to 'unsigned char', signed/unsigned mismatch
+#pragma warning(disable : 4204) // LordHavoc: MSVC++ 2008 x86: nonstandard extension used : non-constant aggregate initializer
+//#pragma warning(disable : 4267) // LordHavoc: MSVC++ 2008 x64, conversion from 'size_t' to 'int', possible loss of data
+//#pragma warning(disable : 4244)     // LordHavoc: MSVC++ 4 x86, double/float
+//#pragma warning(disable : 4305)              // LordHavoc: MSVC++ 6 x86, double/float
+//#pragma warning(disable : 4706)              // LordHavoc: MSVC++ 2008 x86, assignment within conditional expression
+//#pragma warning(disable : 4127)              // LordHavoc: MSVC++ 2008 x86, conditional expression is constant
+//#pragma warning(disable : 4100)              // LordHavoc: MSVC++ 2008 x86, unreferenced formal parameter
+//#pragma warning(disable : 4055)              // LordHavoc: MSVC++ 2008 x86, 'type cast' from data pointer   to function pointer
+//#pragma warning(disable : 4054)              // LordHavoc: MSVC++ 2008 x86, 'type cast' from function pointer   to data pointer
 #endif
 
 
 //====================================================
 
+#ifndef USE_GLES2
 // wgl uses APIENTRY
 #ifndef APIENTRY
 #define APIENTRY
@@ -43,6 +66,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 #endif
 
 #ifndef GL_PROJECTION
+#include <stddef.h>
+
 typedef unsigned int GLenum;
 typedef unsigned char GLboolean;
 typedef unsigned int GLbitfield;
@@ -69,6 +94,12 @@ typedef float GLclampf;
 typedef double GLdouble;
 // double precision float in [0,1]
 typedef double GLclampd;
+// int whose size is the same as a pointer (?)
+typedef ptrdiff_t GLintptrARB;
+// int whose size is the same as a pointer (?)
+typedef ptrdiff_t GLsizeiptrARB;
+
+#define GL_STEREO                                      0x0C33
 
 #define GL_MODELVIEW                           0x1700
 #define GL_PROJECTION                          0x1701
@@ -78,11 +109,16 @@ typedef double GLclampd;
 #define GL_PROJECTION_MATRIX                   0x0BA7
 #define GL_TEXTURE_MATRIX                      0x0BA8
 
+#define GL_DONT_CARE                           0x1100
+#define GL_FASTEST                                     0x1101
+#define GL_NICEST                                      0x1102
+
 #define GL_DEPTH_TEST                          0x0B71
 
 #define GL_CULL_FACE                           0x0B44
 
 #define GL_BLEND                               0x0BE2
+#define GL_ALPHA_TEST                  0x0BC0
 
 #define GL_ZERO                                        0x0
 #define GL_ONE                                 0x1
@@ -110,9 +146,15 @@ typedef double GLclampd;
 #define GL_TEXTURE_BORDER_COLOR                        0x1004
 #define GL_TEXTURE_MAG_FILTER                  0x2800
 #define GL_TEXTURE_MIN_FILTER                  0x2801
+#define GL_PACK_ALIGNMENT                      0x0D05
 #define GL_UNPACK_ALIGNMENT                    0x0CF5
 #define GL_TEXTURE_BINDING_1D                   0x8068
 #define GL_TEXTURE_BINDING_2D                   0x8069
+#define GL_TEXTURE_INTERNAL_FORMAT             0x1003
+#define GL_TEXTURE_MIN_LOD                     0x813A
+#define GL_TEXTURE_MAX_LOD                     0x813B
+#define GL_TEXTURE_BASE_LEVEL                  0x813C
+#define GL_TEXTURE_MAX_LEVEL                   0x813D
 
 #define GL_NEAREST                             0x2600
 #define GL_LINEAR                              0x2601
@@ -121,13 +163,26 @@ typedef double GLclampd;
 #define GL_LINEAR_MIPMAP_NEAREST               0x2701
 #define GL_LINEAR_MIPMAP_LINEAR                        0x2703
 
+#define GL_LINE                                        0x1B01
+#define GL_FILL                                        0x1B02
+
+#define GL_ADD                                 0x0104
 #define GL_DECAL                               0x2101
 #define GL_MODULATE                            0x2100
 
 #define GL_REPEAT                              0x2901
 #define GL_CLAMP                               0x2900
 
-#define GL_TRIANGLES                           0x0004
+#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
@@ -151,8 +206,20 @@ typedef double GLclampd;
 #define GL_TEXTURE_COORD_ARRAY                 0x8078
 //#define GL_EDGE_FLAG_ARRAY                   0x8079
 
+#define GL_NONE                                        0
+#define GL_FRONT_LEFT                  0x0400
+#define GL_FRONT_RIGHT                 0x0401
+#define GL_BACK_LEFT                   0x0402
+#define GL_BACK_RIGHT                  0x0403
 #define GL_FRONT                               0x0404
 #define GL_BACK                                        0x0405
+#define GL_LEFT                                        0x0406
+#define GL_RIGHT                               0x0407
+#define GL_FRONT_AND_BACK              0x0408
+#define GL_AUX0                                        0x0409
+#define GL_AUX1                                        0x040A
+#define GL_AUX2                                        0x040B
+#define GL_AUX3                                        0x040C
 
 #define GL_VENDOR                              0x1F00
 #define GL_RENDERER                            0x1F01
@@ -168,6 +235,7 @@ typedef double GLclampd;
 #define GL_OUT_OF_MEMORY                       0x0505
 
 #define GL_DITHER                              0x0BD0
+#define GL_ALPHA                               0x1906
 #define GL_RGB                                 0x1907
 #define GL_RGBA                                        0x1908
 
@@ -204,82 +272,120 @@ typedef double GLclampd;
 #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
+
+#define GL_POLYGON_STIPPLE                0x0B42
+
+#define GL_CLIP_PLANE0                    0x3000
+#define GL_CLIP_PLANE1                    0x3001
+#define GL_CLIP_PLANE2                    0x3002
+#define GL_CLIP_PLANE3                    0x3003
+#define GL_CLIP_PLANE4                    0x3004
+#define GL_CLIP_PLANE5                    0x3005
+
+#define GL_DEPTH_COMPONENT                0x1902
+#define GL_VIEWPORT                       0x0BA2
+#define GL_DRAW_BUFFER                    0x0C01
+#define GL_READ_BUFFER                    0x0C02
+#define GL_LUMINANCE                      0x1909
+#define GL_INTENSITY                      0x8049
+
+#endif
+
+//GL_EXT_texture_filter_anisotropic
+#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
+#define GL_TEXTURE_MAX_ANISOTROPY_EXT       0x84FE
+#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT   0x84FF
+#endif
+
+// GL_ARB_depth_texture
+#ifndef GL_DEPTH_COMPONENT32_ARB
+#define GL_DEPTH_COMPONENT16_ARB          0x81A5
+#define GL_DEPTH_COMPONENT24_ARB          0x81A6
+#define GL_DEPTH_COMPONENT32_ARB          0x81A7
+#define GL_TEXTURE_DEPTH_SIZE_ARB         0x884A
+#define GL_DEPTH_TEXTURE_MODE_ARB         0x884B
+#endif
+
+// GL_ARB_shadow
+#ifndef GL_TEXTURE_COMPARE_MODE_ARB
+#define GL_TEXTURE_COMPARE_MODE_ARB       0x884C
+#define GL_TEXTURE_COMPARE_FUNC_ARB       0x884D
+#define GL_COMPARE_R_TO_TEXTURE_ARB       0x884E
 #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_ACTIVE_TEXTURE_ARB                  0x84E0
-#define GL_CLIENT_ACTIVE_TEXTURE_ARB   0x84E1
-#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
-#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
-
-// GL_EXT_compiled_vertex_array
-extern int gl_supportslockarrays;
-extern void (GLAPIENTRY *qglLockArraysEXT) (GLint first, GLint count);
-extern void (GLAPIENTRY *qglUnlockArraysEXT) (void);
+#ifndef GL_ACTIVE_TEXTURE
+#define GL_ACTIVE_TEXTURE                      0x84E0
+#define GL_CLIENT_ACTIVE_TEXTURE       0x84E1
+#define GL_MAX_TEXTURE_UNITS           0x84E2
+#define GL_TEXTURE0                                    0x84C0
+#define GL_TEXTURE1                                    0x84C1
+#define GL_TEXTURE2                                    0x84C2
+#define GL_TEXTURE3                                    0x84C3
+#define GL_TEXTURE4                                    0x84C4
+#define GL_TEXTURE5                                    0x84C5
+#define GL_TEXTURE6                                    0x84C6
+#define GL_TEXTURE7                                    0x84C7
+#define GL_TEXTURE8                                    0x84C8
+#define GL_TEXTURE9                                    0x84C9
+#define GL_TEXTURE10                           0x84CA
+#define GL_TEXTURE11                           0x84CB
+#define GL_TEXTURE12                           0x84CC
+#define GL_TEXTURE13                           0x84CD
+#define GL_TEXTURE14                           0x84CE
+#define GL_TEXTURE15                           0x84CF
+#define GL_TEXTURE16                           0x84D0
+#define GL_TEXTURE17                           0x84D1
+#define GL_TEXTURE18                           0x84D2
+#define GL_TEXTURE19                           0x84D3
+#define GL_TEXTURE20                           0x84D4
+#define GL_TEXTURE21                           0x84D5
+#define GL_TEXTURE22                           0x84D6
+#define GL_TEXTURE23                           0x84D7
+#define GL_TEXTURE24                           0x84D8
+#define GL_TEXTURE25                           0x84D9
+#define GL_TEXTURE26                           0x84DA
+#define GL_TEXTURE27                           0x84DB
+#define GL_TEXTURE28                           0x84DC
+#define GL_TEXTURE29                           0x84DD
+#define GL_TEXTURE30                           0x84DE
+#define GL_TEXTURE31                           0x84DF
+#endif
 
 // 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
+#ifndef GL_COMBINE
+#define GL_COMBINE                                     0x8570
+#define GL_COMBINE_RGB                         0x8571
+#define GL_COMBINE_ALPHA                       0x8572
+#define GL_SOURCE0_RGB                         0x8580
+#define GL_SOURCE1_RGB                         0x8581
+#define GL_SOURCE2_RGB                         0x8582
+#define GL_SOURCE0_ALPHA                       0x8588
+#define GL_SOURCE1_ALPHA                       0x8589
+#define GL_SOURCE2_ALPHA                       0x858A
+#define GL_OPERAND0_RGB                                0x8590
+#define GL_OPERAND1_RGB                                0x8591
+#define GL_OPERAND2_RGB                                0x8592
+#define GL_OPERAND0_ALPHA                      0x8598
+#define GL_OPERAND1_ALPHA                      0x8599
+#define GL_OPERAND2_ALPHA                      0x859A
+#define GL_RGB_SCALE                           0x8573
+#define GL_ADD_SIGNED                          0x8574
+#define GL_INTERPOLATE                         0x8575
+#define GL_SUBTRACT                                    0x84E7
+#define GL_CONSTANT                                    0x8576
+#define GL_PRIMARY_COLOR                       0x8577
+#define GL_PREVIOUS                                    0x8578
 #endif
 
 #ifndef GL_MAX_ELEMENTS_VERTICES
@@ -289,9 +395,7 @@ extern int gl_combine_extension;
 #define GL_MAX_ELEMENTS_INDICES                        0x80E9
 #endif
 
-extern cvar_t gl_combine;
 
-extern int gl_texture3d;
 #ifndef GL_TEXTURE_3D
 #define GL_PACK_SKIP_IMAGES                    0x806B
 #define GL_PACK_IMAGE_HEIGHT                   0x806C
@@ -308,36 +412,28 @@ extern void (GLAPIENTRY *qglTexSubImage3D)(GLenum target, GLint level, GLint xof
 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
+#ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X
+#define GL_NORMAL_MAP                      0x8511
+#define GL_REFLECTION_MAP                  0x8512
+#define GL_TEXTURE_CUBE_MAP                0x8513
+#define GL_TEXTURE_BINDING_CUBE_MAP        0x8514
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_X     0x8515
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_X     0x8516
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Y     0x8517
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Y     0x8518
+#define GL_TEXTURE_CUBE_MAP_POSITIVE_Z     0x8519
+#define GL_TEXTURE_CUBE_MAP_NEGATIVE_Z     0x851A
+#define GL_PROXY_TEXTURE_CUBE_MAP          0x851B
+#define GL_MAX_CUBE_MAP_TEXTURE_SIZE           0x851C
 #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
+#ifndef GL_DEPTH_COMPONENT16_ARB
+#define GL_DEPTH_COMPONENT16_ARB       0x81A5
+#define GL_DEPTH_COMPONENT24_ARB       0x81A6
+#define GL_DEPTH_COMPONENT32_ARB       0x81A7
+#define GL_TEXTURE_DEPTH_SIZE_ARB      0x884A
+#define GL_DEPTH_TEXTURE_MODE_ARB      0x884B
 #endif
-*/
 
 #ifndef GL_SCISSOR_TEST
 #define GL_SCISSOR_TEST                                0x0C11
@@ -345,26 +441,295 @@ extern int gl_dot3ext;
 #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_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_ATI_separate_stencil
+#ifndef GL_STENCIL_BACK_FUNC
+#define GL_STENCIL_BACK_FUNC              0x8800
+#define GL_STENCIL_BACK_FAIL              0x8801
+#define GL_STENCIL_BACK_PASS_DEPTH_FAIL   0x8802
+#define GL_STENCIL_BACK_PASS_DEPTH_PASS   0x8803
+#endif
+extern void (GLAPIENTRY *qglStencilOpSeparate)(GLenum, GLenum, GLenum, GLenum);
+extern void (GLAPIENTRY *qglStencilFuncSeparate)(GLenum, GLenum, GLint, GLuint);
+
+//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);
+
+//GL_EXT_blend_minmax
+#ifndef GL_FUNC_ADD
+#define GL_FUNC_ADD                   0x8006 // also supplied by GL_blend_subtract
+#define GL_MIN                        0x8007
+#define GL_MAX                        0x8008
+#define GL_BLEND_EQUATION             0x8009 // also supplied by GL_blend_subtract
+extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_blend_subtract
+#endif
 
-//GL_NV_vertex_array_range2
-#define GL_VERTEX_ARRAY_RANGE_WITHOUT_FLUSH_NV 0x8533
-extern int gl_support_var2;
+//GL_EXT_blend_subtract
+#ifndef GL_FUNC_SUBTRACT
+#define GL_FUNC_SUBTRACT              0x800A
+#define GL_FUNC_REVERSE_SUBTRACT      0x800B
+extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_blend_subtract
+#endif
 
+//GL_ARB_texture_non_power_of_two
+
+//GL_ARB_vertex_buffer_object
+#ifndef GL_ARRAY_BUFFER
+#define GL_ARRAY_BUFFER               0x8892
+#define GL_ELEMENT_ARRAY_BUFFER       0x8893
+#define GL_ARRAY_BUFFER_BINDING       0x8894
+#define GL_ELEMENT_ARRAY_BUFFER_BINDING 0x8895
+#define GL_VERTEX_ARRAY_BUFFER_BINDING 0x8896
+#define GL_NORMAL_ARRAY_BUFFER_BINDING 0x8897
+#define GL_COLOR_ARRAY_BUFFER_BINDING 0x8898
+#define GL_INDEX_ARRAY_BUFFER_BINDING 0x8899
+#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING 0x889A
+#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING 0x889B
+#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING 0x889C
+#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING 0x889D
+#define GL_WEIGHT_ARRAY_BUFFER_BINDING 0x889E
+#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING 0x889F
+#define GL_STREAM_DRAW                0x88E0
+#define GL_STREAM_READ                0x88E1
+#define GL_STREAM_COPY                0x88E2
+#define GL_STATIC_DRAW                0x88E4
+#define GL_STATIC_READ                0x88E5
+#define GL_STATIC_COPY                0x88E6
+#define GL_DYNAMIC_DRAW               0x88E8
+#define GL_DYNAMIC_READ               0x88E9
+#define GL_DYNAMIC_COPY               0x88EA
+#define GL_READ_ONLY                  0x88B8
+#define GL_WRITE_ONLY                 0x88B9
+#define GL_READ_WRITE                 0x88BA
+#define GL_BUFFER_SIZE                0x8764
+#define GL_BUFFER_USAGE               0x8765
+#define GL_BUFFER_ACCESS              0x88BB
+#define GL_BUFFER_MAPPED              0x88BC
+#define GL_BUFFER_MAP_POINTER         0x88BD
+#endif
+extern void (GLAPIENTRY *qglBindBufferARB) (GLenum target, GLuint buffer);
+extern void (GLAPIENTRY *qglDeleteBuffersARB) (GLsizei n, const GLuint *buffers);
+extern void (GLAPIENTRY *qglGenBuffersARB) (GLsizei n, GLuint *buffers);
+extern GLboolean (GLAPIENTRY *qglIsBufferARB) (GLuint buffer);
+extern GLvoid* (GLAPIENTRY *qglMapBufferARB) (GLenum target, GLenum access);
+extern GLboolean (GLAPIENTRY *qglUnmapBufferARB) (GLenum target);
+extern void (GLAPIENTRY *qglBufferDataARB) (GLenum target, GLsizeiptrARB size, const GLvoid *data, GLenum usage);
+extern void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
+
+//GL_ARB_framebuffer_object
+// (slight differences from GL_EXT_framebuffer_object as this integrates GL_EXT_packed_depth_stencil)
+#ifndef GL_FRAMEBUFFER
+#define GL_FRAMEBUFFER                     0x8D40
+#define GL_READ_FRAMEBUFFER                0x8CA8
+#define GL_DRAW_FRAMEBUFFER                0x8CA9
+#define GL_RENDERBUFFER                    0x8D41
+#define GL_STENCIL_INDEX1                  0x8D46
+#define GL_STENCIL_INDEX4                  0x8D47
+#define GL_STENCIL_INDEX8                  0x8D48
+#define GL_STENCIL_INDEX16                 0x8D49
+#define GL_RENDERBUFFER_WIDTH              0x8D42
+#define GL_RENDERBUFFER_HEIGHT             0x8D43
+#define GL_RENDERBUFFER_INTERNAL_FORMAT    0x8D44
+#define GL_RENDERBUFFER_RED_SIZE           0x8D50
+#define GL_RENDERBUFFER_GREEN_SIZE         0x8D51
+#define GL_RENDERBUFFER_BLUE_SIZE          0x8D52
+#define GL_RENDERBUFFER_ALPHA_SIZE         0x8D53
+#define GL_RENDERBUFFER_DEPTH_SIZE         0x8D54
+#define GL_RENDERBUFFER_STENCIL_SIZE       0x8D55
+#define GL_RENDERBUFFER_SAMPLES            0x8CAB
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE            0x8CD0
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME            0x8CD1
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL          0x8CD2
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE  0x8CD3
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER          0x8CD4
+#define GL_FRAMEBUFFER_ATTACHMENT_COLOR_ENCODING         0x8210
+#define GL_FRAMEBUFFER_ATTACHMENT_COMPONENT_TYPE         0x8211
+#define GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE               0x8212
+#define GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE             0x8213
+#define GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE              0x8214
+#define GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE             0x8215
+#define GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE             0x8216
+#define GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE           0x8217
+#define GL_SRGB                                          0x8C40
+#define GL_UNSIGNED_NORMALIZED                           0x8C17
+#define GL_FRAMEBUFFER_DEFAULT                           0x8218
+#define GL_INDEX                                         0x8222
+#define GL_COLOR_ATTACHMENT0                0x8CE0
+#define GL_COLOR_ATTACHMENT1                0x8CE1
+#define GL_COLOR_ATTACHMENT2                0x8CE2
+#define GL_COLOR_ATTACHMENT3                0x8CE3
+#define GL_COLOR_ATTACHMENT4                0x8CE4
+#define GL_COLOR_ATTACHMENT5                0x8CE5
+#define GL_COLOR_ATTACHMENT6                0x8CE6
+#define GL_COLOR_ATTACHMENT7                0x8CE7
+#define GL_COLOR_ATTACHMENT8                0x8CE8
+#define GL_COLOR_ATTACHMENT9                0x8CE9
+#define GL_COLOR_ATTACHMENT10               0x8CEA
+#define GL_COLOR_ATTACHMENT11               0x8CEB
+#define GL_COLOR_ATTACHMENT12               0x8CEC
+#define GL_COLOR_ATTACHMENT13               0x8CED
+#define GL_COLOR_ATTACHMENT14               0x8CEE
+#define GL_COLOR_ATTACHMENT15               0x8CEF
+#define GL_DEPTH_ATTACHMENT                 0x8D00
+#define GL_STENCIL_ATTACHMENT               0x8D20
+#define GL_DEPTH_STENCIL_ATTACHMENT         0x821A
+#define GL_MAX_SAMPLES                     0x8D57
+#define GL_FRAMEBUFFER_COMPLETE                          0x8CD5
+#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT             0x8CD6
+#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT     0x8CD7
+#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER            0x8CDB
+#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER            0x8CDC
+#define GL_FRAMEBUFFER_UNSUPPORTED                       0x8CDD
+#define GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE            0x8D56
+#define GL_FRAMEBUFFER_UNDEFINED                         0x8219
+#define GL_FRAMEBUFFER_BINDING             0x8CA6 // alias DRAW_FRAMEBUFFER_BINDING
+#define GL_DRAW_FRAMEBUFFER_BINDING        0x8CA6
+#define GL_READ_FRAMEBUFFER_BINDING        0x8CAA
+#define GL_RENDERBUFFER_BINDING            0x8CA7
+#define GL_MAX_COLOR_ATTACHMENTS           0x8CDF
+#define GL_MAX_RENDERBUFFER_SIZE           0x84E8
+#define GL_INVALID_FRAMEBUFFER_OPERATION   0x0506
+#define GL_DEPTH_STENCIL                              0x84F9
+#define GL_UNSIGNED_INT_24_8                          0x84FA
+#define GL_DEPTH24_STENCIL8                           0x88F0
+#define GL_TEXTURE_STENCIL_SIZE                       0x88F1
+#endif
+extern GLboolean (GLAPIENTRY *qglIsRenderbuffer)(GLuint renderbuffer);
+extern GLvoid (GLAPIENTRY *qglBindRenderbuffer)(GLenum target, GLuint renderbuffer);
+extern GLvoid (GLAPIENTRY *qglDeleteRenderbuffers)(GLsizei n, const GLuint *renderbuffers);
+extern GLvoid (GLAPIENTRY *qglGenRenderbuffers)(GLsizei n, GLuint *renderbuffers);
+extern GLvoid (GLAPIENTRY *qglRenderbufferStorage)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+extern GLvoid (GLAPIENTRY *qglRenderbufferStorageMultisample)(GLenum target, GLsizei samples, GLenum internalformat, GLsizei width, GLsizei height);
+extern GLvoid (GLAPIENTRY *qglGetRenderbufferParameteriv)(GLenum target, GLenum pname, GLint *params);
+extern GLboolean (GLAPIENTRY *qglIsFramebuffer)(GLuint framebuffer);
+extern GLvoid (GLAPIENTRY *qglBindFramebuffer)(GLenum target, GLuint framebuffer);
+extern GLvoid (GLAPIENTRY *qglDeleteFramebuffers)(GLsizei n, const GLuint *framebuffers);
+extern GLvoid (GLAPIENTRY *qglGenFramebuffers)(GLsizei n, GLuint *framebuffers);
+extern GLenum (GLAPIENTRY *qglCheckFramebufferStatus)(GLenum target);
+extern GLvoid (GLAPIENTRY *qglFramebufferTexture1D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+extern GLvoid (GLAPIENTRY *qglFramebufferTexture2D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+extern GLvoid (GLAPIENTRY *qglFramebufferTexture3D)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint layer);
+extern GLvoid (GLAPIENTRY *qglFramebufferTextureLayer)(GLenum target, GLenum attachment, GLuint texture, GLint level, GLint layer);
+extern GLvoid (GLAPIENTRY *qglFramebufferRenderbuffer)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+extern GLvoid (GLAPIENTRY *qglGetFramebufferAttachmentParameteriv)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
+extern GLvoid (GLAPIENTRY *qglBlitFramebuffer)(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, GLbitfield mask, GLenum filter);
+extern GLvoid (GLAPIENTRY *qglGenerateMipmap)(GLenum target);
+
+// GL_ARB_draw_buffers
+#ifndef GL_MAX_DRAW_BUFFERS_ARB
+#define GL_MAX_DRAW_BUFFERS_ARB                              0x8824
+#define GL_DRAW_BUFFER0_ARB                                  0x8825
+#define GL_DRAW_BUFFER1_ARB                                  0x8826
+#define GL_DRAW_BUFFER2_ARB                                  0x8827
+#define GL_DRAW_BUFFER3_ARB                                  0x8828
+#define GL_DRAW_BUFFER4_ARB                                  0x8829
+#define GL_DRAW_BUFFER5_ARB                                  0x882A
+#define GL_DRAW_BUFFER6_ARB                                  0x882B
+#define GL_DRAW_BUFFER7_ARB                                  0x882C
+#define GL_DRAW_BUFFER8_ARB                                  0x882D
+#define GL_DRAW_BUFFER9_ARB                                  0x882E
+#define GL_DRAW_BUFFER10_ARB                                 0x882F
+#define GL_DRAW_BUFFER11_ARB                                 0x8830
+#define GL_DRAW_BUFFER12_ARB                                 0x8831
+#define GL_DRAW_BUFFER13_ARB                                 0x8832
+#define GL_DRAW_BUFFER14_ARB                                 0x8833
+#define GL_DRAW_BUFFER15_ARB                                 0x8834
+#endif
+extern void (GLAPIENTRY *qglDrawBuffersARB)(GLsizei n, const GLenum *bufs);
+
+// GL_ARB_texture_float
+#ifndef GL_RGBA32F_ARB
+#define GL_RGBA32F_ARB                                       0x8814
+#define GL_RGB32F_ARB                                        0x8815
+#define GL_ALPHA32F_ARB                                      0x8816
+#define GL_INTENSITY32F_ARB                                  0x8817
+#define GL_LUMINANCE32F_ARB                                  0x8818
+#define GL_LUMINANCE_ALPHA32F_ARB                            0x8819
+#define GL_RGBA16F_ARB                                       0x881A
+#define GL_RGB16F_ARB                                        0x881B
+#define GL_ALPHA16F_ARB                                      0x881C
+#define GL_INTENSITY16F_ARB                                  0x881D
+#define GL_LUMINANCE16F_ARB                                  0x881E
+#define GL_LUMINANCE_ALPHA16F_ARB                            0x881F
+#endif
+
+// GL_ARB_half_float_pixel
+#ifndef GL_HALF_FLOAT_ARB
+typedef unsigned short GLhalfARB;
+#define GL_HALF_FLOAT_ARB                                    0x140B
+#endif
+
+// GL_EXT_texture_sRGB
+#ifndef GL_SRGB_EXT
+#define GL_SRGB_EXT                                          0x8C40
+#define GL_SRGB8_EXT                                         0x8C41
+#define GL_SRGB_ALPHA_EXT                                    0x8C42
+#define GL_SRGB8_ALPHA8_EXT                                  0x8C43
+#define GL_SLUMINANCE_ALPHA_EXT                              0x8C44
+#define GL_SLUMINANCE8_ALPHA8_EXT                            0x8C45
+#define GL_SLUMINANCE_EXT                                    0x8C46
+#define GL_SLUMINANCE8_EXT                                   0x8C47
+#define GL_COMPRESSED_SRGB_EXT                               0x8C48
+#define GL_COMPRESSED_SRGB_ALPHA_EXT                         0x8C49
+#define GL_COMPRESSED_SLUMINANCE_EXT                         0x8C4A
+#define GL_COMPRESSED_SLUMINANCE_ALPHA_EXT                   0x8C4B
+#define GL_COMPRESSED_SRGB_S3TC_DXT1_EXT                     0x8C4C
+#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT               0x8C4D
+#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT               0x8C4E
+#define GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT               0x8C4F
+#endif
+
+// GL_ARB_uniform_buffer_object
+#ifndef GL_UNIFORM_BUFFER
+#define GL_UNIFORM_BUFFER                                    0x8A11
+#define GL_UNIFORM_BUFFER_BINDING                            0x8A28
+#define GL_UNIFORM_BUFFER_START                              0x8A29
+#define GL_UNIFORM_BUFFER_SIZE                               0x8A2A
+#define GL_MAX_VERTEX_UNIFORM_BLOCKS                         0x8A2B
+#define GL_MAX_GEOMETRY_UNIFORM_BLOCKS                       0x8A2C
+#define GL_MAX_FRAGMENT_UNIFORM_BLOCKS                       0x8A2D
+#define GL_MAX_COMBINED_UNIFORM_BLOCKS                       0x8A2E
+#define GL_MAX_UNIFORM_BUFFER_BINDINGS                       0x8A2F
+#define GL_MAX_UNIFORM_BLOCK_SIZE                            0x8A30
+#define GL_MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS            0x8A31
+#define GL_MAX_COMBINED_GEOMETRY_UNIFORM_COMPONENTS          0x8A32
+#define GL_MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS          0x8A33
+#define GL_UNIFORM_BUFFER_OFFSET_ALIGNMENT                   0x8A34
+#define GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH              0x8A35
+#define GL_ACTIVE_UNIFORM_BLOCKS                             0x8A36
+#define GL_UNIFORM_TYPE                                      0x8A37
+#define GL_UNIFORM_SIZE                                      0x8A38
+#define GL_UNIFORM_NAME_LENGTH                               0x8A39
+#define GL_UNIFORM_BLOCK_INDEX                               0x8A3A
+#define GL_UNIFORM_OFFSET                                    0x8A3B
+#define GL_UNIFORM_ARRAY_STRIDE                              0x8A3C
+#define GL_UNIFORM_MATRIX_STRIDE                             0x8A3D
+#define GL_UNIFORM_IS_ROW_MAJOR                              0x8A3E
+#define GL_UNIFORM_BLOCK_BINDING                             0x8A3F
+#define GL_UNIFORM_BLOCK_DATA_SIZE                           0x8A40
+#define GL_UNIFORM_BLOCK_NAME_LENGTH                         0x8A41
+#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORMS                     0x8A42
+#define GL_UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES              0x8A43
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER         0x8A44
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_GEOMETRY_SHADER       0x8A45
+#define GL_UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER       0x8A46
+#define GL_INVALID_INDEX                                     0xFFFFFFFFu
+#endif
+extern void (GLAPIENTRY *qglGetUniformIndices)(GLuint program, GLsizei uniformCount, const char** uniformNames, GLuint* uniformIndices);
+extern void (GLAPIENTRY *qglGetActiveUniformsiv)(GLuint program, GLsizei uniformCount, const GLuint* uniformIndices, GLenum pname, GLint* params);
+extern void (GLAPIENTRY *qglGetActiveUniformName)(GLuint program, GLuint uniformIndex, GLsizei bufSize, GLsizei* length, char* uniformName);
+extern GLuint (GLAPIENTRY *qglGetUniformBlockIndex)(GLuint program, const char* uniformBlockName);
+extern void (GLAPIENTRY *qglGetActiveUniformBlockiv)(GLuint program, GLuint uniformBlockIndex, GLenum pname,  GLint* params);
+extern void (GLAPIENTRY *qglGetActiveUniformBlockName)(GLuint program, GLuint uniformBlockIndex, GLsizei bufSize, GLsizei* length, char* uniformBlockName);
+extern void (GLAPIENTRY *qglBindBufferRange)(GLenum target, GLuint index, GLuint buffer, GLintptrARB offset, GLsizeiptrARB size);
+extern void (GLAPIENTRY *qglBindBufferBase)(GLenum target, GLuint index, GLuint buffer);
+extern void (GLAPIENTRY *qglGetIntegeri_v)(GLenum target, GLuint index, GLint* data);
+extern void (GLAPIENTRY *qglUniformBlockBinding)(GLuint program, GLuint uniformBlockIndex, GLuint uniformBlockBinding);
 
 extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
 
@@ -372,12 +737,12 @@ extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf b
 
 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 *qglDrawBuffer)(GLenum mode);
-//extern void (GLAPIENTRY *qglReadBuffer)(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);
@@ -385,9 +750,9 @@ 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);
@@ -399,27 +764,33 @@ 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 *qglDepthRangef)(GLclampf near_val, GLclampf 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 *qglDrawArrays)(GLenum mode, GLint first, GLsizei count);
 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 *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 *qglVertex4f)(GLfloat x, GLfloat y, GLfloat z, GLfloat w);
 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 *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);
@@ -442,54 +813,552 @@ 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 *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+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 *qglGetTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetTexParameteriv)(GLenum target, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetTexLevelParameterfv)(GLenum target, GLint level, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetTexLevelParameteriv)(GLenum target, GLint level, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, GLvoid *pixels);
+extern void (GLAPIENTRY *qglHint)(GLenum target, GLenum mode);
 
 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 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 *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 *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 *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 *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);
+extern void (GLAPIENTRY *qglPolygonMode)(GLenum face, GLenum mode);
+
+//extern void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
+//extern void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
+
+//[515]: added on 29.07.2005
+extern void (GLAPIENTRY *qglLineWidth)(GLfloat width);
+extern void (GLAPIENTRY *qglPointSize)(GLfloat size);
+
+// GL 2.0 shader objects
+#ifndef GL_PROGRAM_OBJECT
+// 1-byte character string
+typedef char GLchar;
+#endif
+extern void (GLAPIENTRY *qglDeleteShader)(GLuint obj);
+extern void (GLAPIENTRY *qglDeleteProgram)(GLuint obj);
+//extern GLuint (GLAPIENTRY *qglGetHandle)(GLenum pname);
+extern void (GLAPIENTRY *qglDetachShader)(GLuint containerObj, GLuint attachedObj);
+extern GLuint (GLAPIENTRY *qglCreateShader)(GLenum shaderType);
+extern void (GLAPIENTRY *qglShaderSource)(GLuint shaderObj, GLsizei count, const GLchar **string, const GLint *length);
+extern void (GLAPIENTRY *qglCompileShader)(GLuint shaderObj);
+extern GLuint (GLAPIENTRY *qglCreateProgram)(void);
+extern void (GLAPIENTRY *qglAttachShader)(GLuint containerObj, GLuint obj);
+extern void (GLAPIENTRY *qglLinkProgram)(GLuint programObj);
+extern void (GLAPIENTRY *qglUseProgram)(GLuint programObj);
+extern void (GLAPIENTRY *qglValidateProgram)(GLuint programObj);
+extern void (GLAPIENTRY *qglUniform1f)(GLint location, GLfloat v0);
+extern void (GLAPIENTRY *qglUniform2f)(GLint location, GLfloat v0, GLfloat v1);
+extern void (GLAPIENTRY *qglUniform3f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2);
+extern void (GLAPIENTRY *qglUniform4f)(GLint location, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+extern void (GLAPIENTRY *qglUniform1i)(GLint location, GLint v0);
+extern void (GLAPIENTRY *qglUniform2i)(GLint location, GLint v0, GLint v1);
+extern void (GLAPIENTRY *qglUniform3i)(GLint location, GLint v0, GLint v1, GLint v2);
+extern void (GLAPIENTRY *qglUniform4i)(GLint location, GLint v0, GLint v1, GLint v2, GLint v3);
+extern void (GLAPIENTRY *qglUniform1fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform2fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform3fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform4fv)(GLint location, GLsizei count, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniform1iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform2iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform3iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniform4iv)(GLint location, GLsizei count, const GLint *value);
+extern void (GLAPIENTRY *qglUniformMatrix2fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix3fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglUniformMatrix4fv)(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value);
+extern void (GLAPIENTRY *qglGetShaderiv)(GLuint obj, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetProgramiv)(GLuint obj, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetShaderInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
+extern void (GLAPIENTRY *qglGetProgramInfoLog)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *infoLog);
+extern void (GLAPIENTRY *qglGetAttachedShaders)(GLuint containerObj, GLsizei maxCount, GLsizei *count, GLuint *obj);
+extern GLint (GLAPIENTRY *qglGetUniformLocation)(GLuint programObj, const GLchar *name);
+extern void (GLAPIENTRY *qglGetActiveUniform)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
+extern void (GLAPIENTRY *qglGetUniformfv)(GLuint programObj, GLint location, GLfloat *params);
+extern void (GLAPIENTRY *qglGetUniformiv)(GLuint programObj, GLint location, GLint *params);
+extern void (GLAPIENTRY *qglGetShaderSource)(GLuint obj, GLsizei maxLength, GLsizei *length, GLchar *source);
+extern void (GLAPIENTRY *qglPolygonStipple)(const GLubyte *mask);
+#ifndef GL_PROGRAM_OBJECT
+#define GL_PROGRAM_OBJECT                                      0x8B40
+#define GL_DELETE_STATUS                                       0x8B80
+#define GL_COMPILE_STATUS                                      0x8B81
+#define GL_LINK_STATUS                                         0x8B82
+#define GL_VALIDATE_STATUS                                     0x8B83
+#define GL_INFO_LOG_LENGTH                                     0x8B84
+#define GL_ATTACHED_SHADERS                                    0x8B85
+#define GL_ACTIVE_UNIFORMS                                     0x8B86
+#define GL_ACTIVE_UNIFORM_MAX_LENGTH           0x8B87
+#define GL_SHADER_SOURCE_LENGTH                                0x8B88
+#define GL_SHADER_OBJECT                                       0x8B48
+#define GL_SHADER_TYPE                                         0x8B4F
+#define GL_FLOAT                                                       0x1406
+#define GL_FLOAT_VEC2                                          0x8B50
+#define GL_FLOAT_VEC3                                          0x8B51
+#define GL_FLOAT_VEC4                                          0x8B52
+#define GL_INT                                                         0x1404
+#define GL_INT_VEC2                                                    0x8B53
+#define GL_INT_VEC3                                                    0x8B54
+#define GL_INT_VEC4                                                    0x8B55
+#define GL_BOOL                                                                0x8B56
+#define GL_BOOL_VEC2                                           0x8B57
+#define GL_BOOL_VEC3                                           0x8B58
+#define GL_BOOL_VEC4                                           0x8B59
+#define GL_FLOAT_MAT2                                          0x8B5A
+#define GL_FLOAT_MAT3                                          0x8B5B
+#define GL_FLOAT_MAT4                                          0x8B5C
+#define GL_SAMPLER_1D                                          0x8B5D
+#define GL_SAMPLER_2D                                          0x8B5E
+#define GL_SAMPLER_3D                                          0x8B5F
+#define GL_SAMPLER_CUBE                                                0x8B60
+#define GL_SAMPLER_1D_SHADOW                           0x8B61
+#define GL_SAMPLER_2D_SHADOW                           0x8B62
+#define GL_SAMPLER_2D_RECT                                     0x8B63
+#define GL_SAMPLER_2D_RECT_SHADOW                      0x8B64
+#endif
+
+// GL 2.0 vertex shader
+extern void (GLAPIENTRY *qglVertexAttrib1f)(GLuint index, GLfloat v0);
+extern void (GLAPIENTRY *qglVertexAttrib1s)(GLuint index, GLshort v0);
+extern void (GLAPIENTRY *qglVertexAttrib1d)(GLuint index, GLdouble v0);
+extern void (GLAPIENTRY *qglVertexAttrib2f)(GLuint index, GLfloat v0, GLfloat v1);
+extern void (GLAPIENTRY *qglVertexAttrib2s)(GLuint index, GLshort v0, GLshort v1);
+extern void (GLAPIENTRY *qglVertexAttrib2d)(GLuint index, GLdouble v0, GLdouble v1);
+extern void (GLAPIENTRY *qglVertexAttrib3f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2);
+extern void (GLAPIENTRY *qglVertexAttrib3s)(GLuint index, GLshort v0, GLshort v1, GLshort v2);
+extern void (GLAPIENTRY *qglVertexAttrib3d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2);
+extern void (GLAPIENTRY *qglVertexAttrib4f)(GLuint index, GLfloat v0, GLfloat v1, GLfloat v2, GLfloat v3);
+extern void (GLAPIENTRY *qglVertexAttrib4s)(GLuint index, GLshort v0, GLshort v1, GLshort v2, GLshort v3);
+extern void (GLAPIENTRY *qglVertexAttrib4d)(GLuint index, GLdouble v0, GLdouble v1, GLdouble v2, GLdouble v3);
+extern void (GLAPIENTRY *qglVertexAttrib4Nub)(GLuint index, GLubyte x, GLubyte y, GLubyte z, GLubyte w);
+extern void (GLAPIENTRY *qglVertexAttrib1fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib1sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib1dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib2fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib2sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib2dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib3fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib3sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib3dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib4fv)(GLuint index, const GLfloat *v);
+extern void (GLAPIENTRY *qglVertexAttrib4sv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4dv)(GLuint index, const GLdouble *v);
+extern void (GLAPIENTRY *qglVertexAttrib4iv)(GLuint index, const GLint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4bv)(GLuint index, const GLbyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4ubv)(GLuint index, const GLubyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4usv)(GLuint index, const GLushort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4uiv)(GLuint index, const GLuint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nbv)(GLuint index, const GLbyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nsv)(GLuint index, const GLshort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Niv)(GLuint index, const GLint *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nubv)(GLuint index, const GLubyte *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nusv)(GLuint index, const GLushort *v);
+extern void (GLAPIENTRY *qglVertexAttrib4Nuiv)(GLuint index, const GLuint *v);
+extern void (GLAPIENTRY *qglVertexAttribPointer)(GLuint index, GLint size, GLenum type, GLboolean normalized, GLsizei stride, const GLvoid *pointer);
+extern void (GLAPIENTRY *qglEnableVertexAttribArray)(GLuint index);
+extern void (GLAPIENTRY *qglDisableVertexAttribArray)(GLuint index);
+extern void (GLAPIENTRY *qglBindAttribLocation)(GLuint programObj, GLuint index, const GLchar *name);
+extern void (GLAPIENTRY *qglBindFragDataLocation)(GLuint programObj, GLuint index, const GLchar *name);
+extern void (GLAPIENTRY *qglGetActiveAttrib)(GLuint programObj, GLuint index, GLsizei maxLength, GLsizei *length, GLint *size, GLenum *type, GLchar *name);
+extern GLint (GLAPIENTRY *qglGetAttribLocation)(GLuint programObj, const GLchar *name);
+extern void (GLAPIENTRY *qglGetVertexAttribdv)(GLuint index, GLenum pname, GLdouble *params);
+extern void (GLAPIENTRY *qglGetVertexAttribfv)(GLuint index, GLenum pname, GLfloat *params);
+extern void (GLAPIENTRY *qglGetVertexAttribiv)(GLuint index, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetVertexAttribPointerv)(GLuint index, GLenum pname, GLvoid **pointer);
+#ifndef GL_VERTEX_SHADER
+#define GL_VERTEX_SHADER                                               0x8B31
+#define GL_MAX_VERTEX_UNIFORM_COMPONENTS               0x8B4A
+#define GL_MAX_VARYING_FLOATS                                  0x8B4B
+#define GL_MAX_VERTEX_ATTRIBS                                  0x8869
+#define GL_MAX_TEXTURE_IMAGE_UNITS                             0x8872
+#define GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS              0x8B4C
+#define GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS            0x8B4D
+#define GL_MAX_TEXTURE_COORDS                                  0x8871
+#define GL_VERTEX_PROGRAM_POINT_SIZE                   0x8642
+#define GL_VERTEX_PROGRAM_TWO_SIDE                             0x8643
+#define GL_ACTIVE_ATTRIBUTES                                   0x8B89
+#define GL_ACTIVE_ATTRIBUTE_MAX_LENGTH                 0x8B8A
+#define GL_VERTEX_ATTRIB_ARRAY_ENABLED                 0x8622
+#define GL_VERTEX_ATTRIB_ARRAY_SIZE                            0x8623
+#define GL_VERTEX_ATTRIB_ARRAY_STRIDE                  0x8624
+#define GL_VERTEX_ATTRIB_ARRAY_TYPE                            0x8625
+#define GL_VERTEX_ATTRIB_ARRAY_NORMALIZED              0x886A
+#define GL_CURRENT_VERTEX_ATTRIB                               0x8626
+#define GL_VERTEX_ATTRIB_ARRAY_POINTER                 0x8645
+#define GL_FLOAT                                                               0x1406
+#define GL_FLOAT_VEC2                                                  0x8B50
+#define GL_FLOAT_VEC3                                                  0x8B51
+#define GL_FLOAT_VEC4                                                  0x8B52
+#define GL_FLOAT_MAT2                                                  0x8B5A
+#define GL_FLOAT_MAT3                                                  0x8B5B
+#define GL_FLOAT_MAT4                                                  0x8B5C
+#endif
+
+// GL 2.0 fragment shader
+#ifndef GL_FRAGMENT_SHADER
+#define GL_FRAGMENT_SHADER                                             0x8B30
+#define GL_MAX_FRAGMENT_UNIFORM_COMPONENTS             0x8B49
+#define GL_MAX_TEXTURE_COORDS                                  0x8871
+#define GL_MAX_TEXTURE_IMAGE_UNITS                             0x8872
+#define GL_FRAGMENT_SHADER_DERIVATIVE_HINT             0x8B8B
+#endif
+
+// GL 2.0 shading language 100
+#ifndef GL_SHADING_LANGUAGE_VERSION
+#define GL_SHADING_LANGUAGE_VERSION                            0x8B8C
+#endif
+
+// GL_ARB_texture_compression
+extern void (GLAPIENTRY *qglCompressedTexImage3DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexImage2DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border,  GLsizei imageSize, const void *data);
+//extern void (GLAPIENTRY *qglCompressedTexImage1DARB)(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLint border, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexSubImage3DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglCompressedTexSubImage2DARB)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLsizei imageSize, const void *data);
+//extern void (GLAPIENTRY *qglCompressedTexSubImage1DARB)(GLenum target, GLint level, GLint xoffset, GLsizei width, GLenum format, GLsizei imageSize, const void *data);
+extern void (GLAPIENTRY *qglGetCompressedTexImageARB)(GLenum target, GLint lod, void *img);
+#ifndef GL_COMPRESSED_RGB_ARB
+#define GL_COMPRESSED_ALPHA_ARB                                                0x84E9
+#define GL_COMPRESSED_LUMINANCE_ARB                                    0x84EA
+#define GL_COMPRESSED_LUMINANCE_ALPHA_ARB                      0x84EB
+#define GL_COMPRESSED_INTENSITY_ARB                                    0x84EC
+#define GL_COMPRESSED_RGB_ARB                                          0x84ED
+#define GL_COMPRESSED_RGBA_ARB                                         0x84EE
+#define GL_TEXTURE_COMPRESSION_HINT_ARB                                0x84EF
+#define GL_TEXTURE_COMPRESSED_IMAGE_SIZE_ARB           0x86A0
+#define GL_TEXTURE_COMPRESSED_ARB                                      0x86A1
+#define GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB          0x86A2
+#define GL_COMPRESSED_TEXTURE_FORMATS_ARB                      0x86A3
+#endif
+
+// GL_EXT_texture_compression_s3tc
+#ifndef GL_COMPRESSED_RGB_S3TC_DXT1_EXT
+#define GL_COMPRESSED_RGB_S3TC_DXT1_EXT                   0x83F0
+#define GL_COMPRESSED_RGBA_S3TC_DXT1_EXT                  0x83F1
+#define GL_COMPRESSED_RGBA_S3TC_DXT3_EXT                  0x83F2
+#define GL_COMPRESSED_RGBA_S3TC_DXT5_EXT                  0x83F3
+#endif
+
+// GL_ARB_occlusion_query
+extern void (GLAPIENTRY *qglGenQueriesARB)(GLsizei n, GLuint *ids);
+extern void (GLAPIENTRY *qglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
+extern GLboolean (GLAPIENTRY *qglIsQueryARB)(GLuint qid);
+extern void (GLAPIENTRY *qglBeginQueryARB)(GLenum target, GLuint qid);
+extern void (GLAPIENTRY *qglEndQueryARB)(GLenum target);
+extern void (GLAPIENTRY *qglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetQueryObjectivARB)(GLuint qid, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGetQueryObjectuivARB)(GLuint qid, GLenum pname, GLuint *params);
+#ifndef GL_SAMPLES_PASSED_ARB
+#define GL_SAMPLES_PASSED_ARB                             0x8914
+#define GL_QUERY_COUNTER_BITS_ARB                         0x8864
+#define GL_CURRENT_QUERY_ARB                              0x8865
+#define GL_QUERY_RESULT_ARB                               0x8866
+#define GL_QUERY_RESULT_AVAILABLE_ARB                     0x8867
+#endif
+
+// GL_ARB_query_buffer_object
+#ifndef GL_QUERY_BUFFER_ARB
+#define GL_QUERY_BUFFER_ARB                               0x9192
+#define GL_QUERY_BUFFER_BINDING_ARB                       0x9193
+#define GL_QUERY_RESULT_NO_WAIT_ARB                       0x9194
+#define GL_QUERY_BUFFER_BARRIER_BIT_ARB                   0x00008000
+#endif
+
+// GL_EXT_bgr
+#define GL_BGR                                 0x80E0
+
+// GL_EXT_bgra
+#define GL_BGRA                                        0x80E1
+
+//GL_AMD_texture_texture4
+
+//GL_ARB_texture_gather
+
+//GL_ARB_multisample
+#define GL_MULTISAMPLE_ARB              0x809D
+#define GL_SAMPLE_ALPHA_TO_COVERAGE_ARB 0x809E
+#define GL_SAMPLE_ALPHA_TO_ONE_ARB      0x809F
+#define GL_SAMPLE_COVERAGE_ARB          0x80A0
+#define GL_SAMPLE_BUFFERS_ARB           0x80A8
+#define GL_SAMPLES_ARB                  0x80A9
+#define GL_SAMPLE_COVERAGE_VALUE_ARB    0x80AA
+#define GL_SAMPLE_COVERAGE_INVERT_ARB   0x80AB
+#define GL_MULTISAMPLE_BIT_ARB          0x20000000
+extern void (GLAPIENTRY *qglSampleCoverageARB)(GLclampf value, GLboolean invert);
+
+extern void (GLAPIENTRY *qglPointSize)(GLfloat size);
+
+//GL_EXT_packed_depth_stencil
+#define GL_DEPTH_STENCIL_EXT            0x84F9
+#define GL_UNSIGNED_INT_24_8_EXT        0x84FA
+#define GL_DEPTH24_STENCIL8_EXT         0x88F0
+
+//GL_EXT_blend_func_separate
+#ifndef GL_BLEND_DST_RGB
+#define GL_BLEND_DST_RGB                  0x80C8
+#define GL_BLEND_SRC_RGB                  0x80C9
+#define GL_BLEND_DST_ALPHA                0x80CA
+#define GL_BLEND_SRC_ALPHA                0x80CB
+#endif
+extern void (GLAPIENTRY *qglBlendFuncSeparate)(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha);
 
-#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
 
 #define DEBUGGL
 
 #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__);}
+#ifdef USE_GLES2
+#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);errornumber = glGetError();if (errornumber) GL_PrintError(errornumber, __FILE__, __LINE__);}}
+#else
+#define CHECKGLERROR {if (gl_paranoid.integer){if (gl_printcheckerror.integer) Con_Printf("CHECKGLERROR at %s:%d\n", __FILE__, __LINE__);errornumber = qglGetError ? qglGetError() : 0;if (errornumber) GL_PrintError(errornumber, __FILE__, __LINE__);}}
+#endif
 extern int errornumber;
-void GL_PrintError(int errornumber, char *filename, int linenumber);
+void GL_PrintError(int errornumber, const char *filename, int linenumber);
 #else
 #define CHECKGLERROR
 #endif
 
+#ifdef USE_GLES2
+#define qglIsBufferARB glIsBuffer
+#define qglIsEnabled glIsEnabled
+#define qglIsFramebufferEXT glIsFramebuffer
+//#define qglIsQueryARB glIsQuery
+#define qglIsRenderbufferEXT glIsRenderbuffer
+//#define qglUnmapBufferARB glUnmapBuffer
+#define qglCheckFramebufferStatus glCheckFramebufferStatus
+#define qglGetError glGetError
+#define qglCreateProgram glCreateProgram
+#define qglCreateShader glCreateShader
+//#define qglGetHandleARB glGetHandle
+#define qglGetAttribLocation glGetAttribLocation
+#define qglGetUniformLocation glGetUniformLocation
+//#define qglMapBufferARB glMapBuffer
+#define qglGetString glGetString
+//#define qglActiveStencilFaceEXT glActiveStencilFace
+#define qglActiveTexture glActiveTexture
+#define qglAlphaFunc glAlphaFunc
+#define qglArrayElement glArrayElement
+#define qglAttachShader glAttachShader
+//#define qglBegin glBegin
+//#define qglBeginQueryARB glBeginQuery
+#define qglBindAttribLocation glBindAttribLocation
+//#define qglBindFragDataLocation glBindFragDataLocation
+#define qglBindBufferARB glBindBuffer
+#define qglBindFramebuffer glBindFramebuffer
+#define qglBindRenderbuffer glBindRenderbuffer
+#define qglBindTexture glBindTexture
+#define qglBlendEquationEXT glBlendEquation
+#define qglBlendFunc glBlendFunc
+#define qglBlendFuncSeparate glBlendFuncSeparate
+#define qglBufferDataARB glBufferData
+#define qglBufferSubDataARB glBufferSubData
+#define qglClear glClear
+#define qglClearColor glClearColor
+#define qglClearDepthf glClearDepthf
+#define qglClearStencil glClearStencil
+#define qglClientActiveTexture glClientActiveTexture
+#define qglColor4f glColor4f
+#define qglColor4ub glColor4ub
+#define qglColorMask glColorMask
+#define qglColorPointer glColorPointer
+#define qglCompileShader glCompileShader
+#define qglCompressedTexImage2DARB glCompressedTexImage2D
+#define qglCompressedTexImage3DARB glCompressedTexImage3D
+#define qglCompressedTexSubImage2DARB glCompressedTexSubImage2D
+#define qglCompressedTexSubImage3DARB glCompressedTexSubImage3D
+#define qglCopyTexImage2D glCopyTexImage2D
+#define qglCopyTexSubImage2D glCopyTexSubImage2D
+#define qglCopyTexSubImage3D glCopyTexSubImage3D
+#define qglCullFace glCullFace
+#define qglDeleteBuffersARB glDeleteBuffers
+#define qglDeleteFramebuffers glDeleteFramebuffers
+#define qglDeleteProgram glDeleteProgram
+#define qglDeleteShader glDeleteShader
+//#define qglDeleteQueriesARB glDeleteQueries
+#define qglDeleteRenderbuffers glDeleteRenderbuffers
+#define qglDeleteTextures glDeleteTextures
+#define qglDepthFunc glDepthFunc
+#define qglDepthMask glDepthMask
+#define qglDepthRangef glDepthRangef
+#define qglDetachShader glDetachShader
+#define qglDisable glDisable
+#define qglDisableClientState glDisableClientState
+#define qglDisableVertexAttribArray glDisableVertexAttribArray
+#define qglDrawArrays glDrawArrays
+//#define qglDrawBuffer glDrawBuffer
+//#define qglDrawBuffersARB glDrawBuffers
+#define qglDrawElements glDrawElements
+//#define qglDrawRangeElements glDrawRangeElements
+#define qglEnable glEnable
+#define qglEnableClientState glEnableClientState
+#define qglEnableVertexAttribArray glEnableVertexAttribArray
+//#define qglEnd glEnd
+//#define qglEndQueryARB glEndQuery
+#define qglFinish glFinish
+#define qglFlush glFlush
+#define qglFramebufferRenderbuffer glFramebufferRenderbuffer
+#define qglFramebufferTexture2D glFramebufferTexture2D
+#define qglFramebufferTexture3DEXT glFramebufferTexture3D
+#define qglGenBuffersARB glGenBuffers
+#define qglGenFramebuffers glGenFramebuffers
+//#define qglGenQueriesARB glGenQueries
+#define qglGenRenderbuffers glGenRenderbuffers
+#define qglGenTextures glGenTextures
+#define qglGenerateMipmapEXT glGenerateMipmap
+#define qglGetActiveAttrib glGetActiveAttrib
+#define qglGetActiveUniform glGetActiveUniform
+#define qglGetAttachedShaders glGetAttachedShaders
+#define qglGetBooleanv glGetBooleanv
+//#define qglGetCompressedTexImageARB glGetCompressedTexImage
+#define qglGetDoublev glGetDoublev
+#define qglGetFloatv glGetFloatv
+#define qglGetFramebufferAttachmentParameterivEXT glGetFramebufferAttachmentParameteriv
+#define qglGetProgramInfoLog glGetProgramInfoLog
+#define qglGetShaderInfoLog glGetShaderInfoLog
+#define qglGetIntegerv glGetIntegerv
+#define qglGetShaderiv glGetShaderiv
+#define qglGetProgramiv glGetProgramiv
+//#define qglGetQueryObjectivARB glGetQueryObjectiv
+//#define qglGetQueryObjectuivARB glGetQueryObjectuiv
+//#define qglGetQueryivARB glGetQueryiv
+#define qglGetRenderbufferParameterivEXT glGetRenderbufferParameteriv
+#define qglGetShaderSource glGetShaderSource
+#define qglGetTexImage glGetTexImage
+#define qglGetTexLevelParameterfv glGetTexLevelParameterfv
+#define qglGetTexLevelParameteriv glGetTexLevelParameteriv
+#define qglGetTexParameterfv glGetTexParameterfv
+#define qglGetTexParameteriv glGetTexParameteriv
+#define qglGetUniformfv glGetUniformfv
+#define qglGetUniformiv glGetUniformiv
+#define qglHint glHint
+#define qglLineWidth glLineWidth
+#define qglLinkProgram glLinkProgram
+#define qglLoadIdentity glLoadIdentity
+#define qglLoadMatrixf glLoadMatrixf
+#define qglMatrixMode glMatrixMode
+#define qglMultiTexCoord1f glMultiTexCoord1f
+#define qglMultiTexCoord2f glMultiTexCoord2f
+#define qglMultiTexCoord3f glMultiTexCoord3f
+#define qglMultiTexCoord4f glMultiTexCoord4f
+#define qglNormalPointer glNormalPointer
+#define qglPixelStorei glPixelStorei
+#define qglPointSize glPointSize
+//#define qglPolygonMode glPolygonMode
+#define qglPolygonOffset glPolygonOffset
+//#define qglPolygonStipple glPolygonStipple
+#define qglReadBuffer glReadBuffer
+#define qglReadPixels glReadPixels
+#define qglRenderbufferStorage glRenderbufferStorage
+#define qglScissor glScissor
+#define qglShaderSource glShaderSource
+#define qglStencilFunc glStencilFunc
+#define qglStencilFuncSeparate glStencilFuncSeparate
+#define qglStencilMask glStencilMask
+#define qglStencilOp glStencilOp
+#define qglStencilOpSeparate glStencilOpSeparate
+#define qglTexCoord1f glTexCoord1f
+#define qglTexCoord2f glTexCoord2f
+#define qglTexCoord3f glTexCoord3f
+#define qglTexCoord4f glTexCoord4f
+#define qglTexCoordPointer glTexCoordPointer
+#define qglTexEnvf glTexEnvf
+#define qglTexEnvfv glTexEnvfv
+#define qglTexEnvi glTexEnvi
+#define qglTexImage2D glTexImage2D
+#define qglTexImage3D glTexImage3D
+#define qglTexParameterf glTexParameterf
+#define qglTexParameterfv glTexParameterfv
+#define qglTexParameteri glTexParameteri
+#define qglTexSubImage2D glTexSubImage2D
+#define qglTexSubImage3D glTexSubImage3D
+#define qglUniform1f glUniform1f
+#define qglUniform1fv glUniform1fv
+#define qglUniform1i glUniform1i
+#define qglUniform1iv glUniform1iv
+#define qglUniform2f glUniform2f
+#define qglUniform2fv glUniform2fv
+#define qglUniform2i glUniform2i
+#define qglUniform2iv glUniform2iv
+#define qglUniform3f glUniform3f
+#define qglUniform3fv glUniform3fv
+#define qglUniform3i glUniform3i
+#define qglUniform3iv glUniform3iv
+#define qglUniform4f glUniform4f
+#define qglUniform4fv glUniform4fv
+#define qglUniform4i glUniform4i
+#define qglUniform4iv glUniform4iv
+#define qglUniformMatrix2fv glUniformMatrix2fv
+#define qglUniformMatrix3fv glUniformMatrix3fv
+#define qglUniformMatrix4fv glUniformMatrix4fv
+#define qglUseProgram glUseProgram
+#define qglValidateProgram glValidateProgram
+#define qglVertex2f glVertex2f
+#define qglVertex3f glVertex3f
+#define qglVertex4f glVertex4f
+#define qglVertexAttribPointer glVertexAttribPointer
+#define qglVertexPointer glVertexPointer
+#define qglViewport glViewport
+#define qglVertexAttrib1f glVertexAttrib1f
+//#define qglVertexAttrib1s glVertexAttrib1s
+//#define qglVertexAttrib1d glVertexAttrib1d
+#define qglVertexAttrib2f glVertexAttrib2f
+//#define qglVertexAttrib2s glVertexAttrib2s
+//#define qglVertexAttrib2d glVertexAttrib2d
+#define qglVertexAttrib3f glVertexAttrib3f
+//#define qglVertexAttrib3s glVertexAttrib3s
+//#define qglVertexAttrib3d glVertexAttrib3d
+#define qglVertexAttrib4f glVertexAttrib4f
+//#define qglVertexAttrib4s glVertexAttrib4s
+//#define qglVertexAttrib4d glVertexAttrib4d
+//#define qglVertexAttrib4Nub glVertexAttrib4Nub
+#define qglVertexAttrib1fv glVertexAttrib1fv
+//#define qglVertexAttrib1sv glVertexAttrib1sv
+//#define qglVertexAttrib1dv glVertexAttrib1dv
+#define qglVertexAttrib2fv glVertexAttrib2fv
+//#define qglVertexAttrib2sv glVertexAttrib2sv
+//#define qglVertexAttrib2dv glVertexAttrib2dv
+#define qglVertexAttrib3fv glVertexAttrib3fv
+//#define qglVertexAttrib3sv glVertexAttrib3sv
+//#define qglVertexAttrib3dv glVertexAttrib3dv
+#define qglVertexAttrib4fv glVertexAttrib4fv
+//#define qglVertexAttrib4sv glVertexAttrib4sv
+//#define qglVertexAttrib4dv glVertexAttrib4dv
+//#define qglVertexAttrib4iv glVertexAttrib4iv
+//#define qglVertexAttrib4bv glVertexAttrib4bv
+//#define qglVertexAttrib4ubv glVertexAttrib4ubv
+//#define qglVertexAttrib4usv glVertexAttrib4usv
+//#define qglVertexAttrib4uiv glVertexAttrib4uiv
+//#define qglVertexAttrib4Nbv glVertexAttrib4Nbv
+//#define qglVertexAttrib4Nsv glVertexAttrib4Nsv
+//#define qglVertexAttrib4Niv glVertexAttrib4Niv
+//#define qglVertexAttrib4Nubv glVertexAttrib4Nubv
+//#define qglVertexAttrib4Nusv glVertexAttrib4Nusv
+//#define qglVertexAttrib4Nuiv glVertexAttrib4Nuiv
+//#define qglGetVertexAttribdv glGetVertexAttribdv
+#define qglGetVertexAttribfv glGetVertexAttribfv
+#define qglGetVertexAttribiv glGetVertexAttribiv
+#define qglGetVertexAttribPointerv glGetVertexAttribPointerv
 #endif
 
+#endif