]> de.git.xonotic.org Git - xonotic/darkplaces.git/blobdiff - glquake.h
remove a couple unused declarations
[xonotic/darkplaces.git] / glquake.h
index 865379a589959aeb3cc80dcfd788f1fd03636434..fc801376f2a979a2fc14134f0f5cdfeba98d3fe1 100644 (file)
--- a/glquake.h
+++ b/glquake.h
@@ -24,8 +24,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 // 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 : 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
 
 
@@ -42,6 +47,8 @@ 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;
@@ -68,6 +75,10 @@ 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_MODELVIEW                           0x1700
 #define GL_PROJECTION                          0x1701
@@ -77,11 +88,16 @@ 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
@@ -109,9 +125,15 @@ 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
@@ -120,10 +142,8 @@ typedef double GLclampd;
 #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_LINE                                        0x1B01
+#define GL_FILL                                        0x1B02
 
 #define GL_ADD                                 0x0104
 #define GL_DECAL                               0x2101
@@ -165,8 +185,20 @@ extern int gl_max_anisotropy;
 #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
@@ -182,6 +214,7 @@ extern int gl_max_anisotropy;
 #define GL_OUT_OF_MEMORY                       0x0505
 
 #define GL_DITHER                              0x0BD0
+#define GL_ALPHA                               0x1906
 #define GL_RGB                                 0x1907
 #define GL_RGBA                                        0x1908
 
@@ -222,10 +255,48 @@ extern int gl_max_anisotropy;
 #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);
@@ -270,13 +341,7 @@ extern void (GLAPIENTRY *qglClientActiveTexture) (GLenum);
 #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);
-
 // 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
@@ -310,18 +375,6 @@ extern int gl_combine_extension;
 #endif
 
 
-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
@@ -338,7 +391,6 @@ 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
@@ -354,20 +406,13 @@ extern int gl_texturecubemap;
 #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
+#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
@@ -375,16 +420,180 @@ 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_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);
-extern int gl_support_stenciltwoside;
+
+//GL_EXT_blend_minmax
+#ifndef GL_FUNC_ADD_EXT
+#define GL_FUNC_ADD_EXT                   0x8006 // also supplied by GL_EXT_blend_subtract
+#define GL_MIN_EXT                        0x8007
+#define GL_MAX_EXT                        0x8008
+#define GL_BLEND_EQUATION_EXT             0x8009 // also supplied by GL_EXT_blend_subtract
+extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_EXT_blend_subtract
+#endif
+
+//GL_EXT_blend_subtract
+#ifndef GL_FUNC_SUBTRACT_EXT
+#define GL_FUNC_SUBTRACT_EXT              0x800A
+#define GL_FUNC_REVERSE_SUBTRACT_EXT      0x800B
+extern void (GLAPIENTRY *qglBlendEquationEXT)(GLenum); // also supplied by GL_EXT_blend_subtract
+#endif
+
+//GL_ARB_texture_non_power_of_two
+
+//GL_ARB_vertex_buffer_object
+#ifndef GL_ARRAY_BUFFER_ARB
+#define GL_ARRAY_BUFFER_ARB               0x8892
+#define GL_ELEMENT_ARRAY_BUFFER_ARB       0x8893
+#define GL_ARRAY_BUFFER_BINDING_ARB       0x8894
+#define GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB 0x8895
+#define GL_VERTEX_ARRAY_BUFFER_BINDING_ARB 0x8896
+#define GL_NORMAL_ARRAY_BUFFER_BINDING_ARB 0x8897
+#define GL_COLOR_ARRAY_BUFFER_BINDING_ARB 0x8898
+#define GL_INDEX_ARRAY_BUFFER_BINDING_ARB 0x8899
+#define GL_TEXTURE_COORD_ARRAY_BUFFER_BINDING_ARB 0x889A
+#define GL_EDGE_FLAG_ARRAY_BUFFER_BINDING_ARB 0x889B
+#define GL_SECONDARY_COLOR_ARRAY_BUFFER_BINDING_ARB 0x889C
+#define GL_FOG_COORDINATE_ARRAY_BUFFER_BINDING_ARB 0x889D
+#define GL_WEIGHT_ARRAY_BUFFER_BINDING_ARB 0x889E
+#define GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING_ARB 0x889F
+#define GL_STREAM_DRAW_ARB                0x88E0
+#define GL_STREAM_READ_ARB                0x88E1
+#define GL_STREAM_COPY_ARB                0x88E2
+#define GL_STATIC_DRAW_ARB                0x88E4
+#define GL_STATIC_READ_ARB                0x88E5
+#define GL_STATIC_COPY_ARB                0x88E6
+#define GL_DYNAMIC_DRAW_ARB               0x88E8
+#define GL_DYNAMIC_READ_ARB               0x88E9
+#define GL_DYNAMIC_COPY_ARB               0x88EA
+#define GL_READ_ONLY_ARB                  0x88B8
+#define GL_WRITE_ONLY_ARB                 0x88B9
+#define GL_READ_WRITE_ARB                 0x88BA
+#define GL_BUFFER_SIZE_ARB                0x8764
+#define GL_BUFFER_USAGE_ARB               0x8765
+#define GL_BUFFER_ACCESS_ARB              0x88BB
+#define GL_BUFFER_MAPPED_ARB              0x88BC
+#define GL_BUFFER_MAP_POINTER_ARB         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_EXT_framebuffer_object
+#ifndef GL_FRAMEBUFFER_EXT
+#define GL_FRAMEBUFFER_EXT                                   0x8D40
+#define GL_RENDERBUFFER_EXT                                  0x8D41
+#define GL_STENCIL_INDEX1_EXT                                0x8D46
+#define GL_STENCIL_INDEX4_EXT                                0x8D47
+#define GL_STENCIL_INDEX8_EXT                                0x8D48
+#define GL_STENCIL_INDEX16_EXT                               0x8D49
+#define GL_RENDERBUFFER_WIDTH_EXT                            0x8D42
+#define GL_RENDERBUFFER_HEIGHT_EXT                           0x8D43
+#define GL_RENDERBUFFER_INTERNAL_FORMAT_EXT                  0x8D44
+#define GL_RENDERBUFFER_RED_SIZE_EXT                         0x8D50
+#define GL_RENDERBUFFER_GREEN_SIZE_EXT                       0x8D51
+#define GL_RENDERBUFFER_BLUE_SIZE_EXT                        0x8D52
+#define GL_RENDERBUFFER_ALPHA_SIZE_EXT                       0x8D53
+#define GL_RENDERBUFFER_DEPTH_SIZE_EXT                       0x8D54
+#define GL_RENDERBUFFER_STENCIL_SIZE_EXT                     0x8D55
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_TYPE_EXT            0x8CD0
+#define GL_FRAMEBUFFER_ATTACHMENT_OBJECT_NAME_EXT            0x8CD1
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_LEVEL_EXT          0x8CD2
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_CUBE_MAP_FACE_EXT  0x8CD3
+#define GL_FRAMEBUFFER_ATTACHMENT_TEXTURE_3D_ZOFFSET_EXT     0x8CD4
+#define GL_COLOR_ATTACHMENT0_EXT                             0x8CE0
+#define GL_COLOR_ATTACHMENT1_EXT                             0x8CE1
+#define GL_COLOR_ATTACHMENT2_EXT                             0x8CE2
+#define GL_COLOR_ATTACHMENT3_EXT                             0x8CE3
+#define GL_COLOR_ATTACHMENT4_EXT                             0x8CE4
+#define GL_COLOR_ATTACHMENT5_EXT                             0x8CE5
+#define GL_COLOR_ATTACHMENT6_EXT                             0x8CE6
+#define GL_COLOR_ATTACHMENT7_EXT                             0x8CE7
+#define GL_COLOR_ATTACHMENT8_EXT                             0x8CE8
+#define GL_COLOR_ATTACHMENT9_EXT                             0x8CE9
+#define GL_COLOR_ATTACHMENT10_EXT                            0x8CEA
+#define GL_COLOR_ATTACHMENT11_EXT                            0x8CEB
+#define GL_COLOR_ATTACHMENT12_EXT                            0x8CEC
+#define GL_COLOR_ATTACHMENT13_EXT                            0x8CED
+#define GL_COLOR_ATTACHMENT14_EXT                            0x8CEE
+#define GL_COLOR_ATTACHMENT15_EXT                            0x8CEF
+#define GL_DEPTH_ATTACHMENT_EXT                              0x8D00
+#define GL_STENCIL_ATTACHMENT_EXT                            0x8D20
+#define GL_FRAMEBUFFER_COMPLETE_EXT                          0x8CD5
+#define GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT             0x8CD6
+#define GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT     0x8CD7
+#define GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT             0x8CD9
+#define GL_FRAMEBUFFER_INCOMPLETE_FORMATS_EXT                0x8CDA
+#define GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT            0x8CDB
+#define GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT            0x8CDC
+#define GL_FRAMEBUFFER_UNSUPPORTED_EXT                       0x8CDD
+#define GL_FRAMEBUFFER_BINDING_EXT                           0x8CA6
+#define GL_RENDERBUFFER_BINDING_EXT                          0x8CA7
+#define GL_MAX_COLOR_ATTACHMENTS_EXT                         0x8CDF
+#define GL_MAX_RENDERBUFFER_SIZE_EXT                         0x84E8
+#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT                 0x0506
+#endif
+extern GLboolean (GLAPIENTRY *qglIsRenderbufferEXT)(GLuint renderbuffer);
+extern void (GLAPIENTRY *qglBindRenderbufferEXT)(GLenum target, GLuint renderbuffer);
+extern void (GLAPIENTRY *qglDeleteRenderbuffersEXT)(GLsizei n, const GLuint *renderbuffers);
+extern void (GLAPIENTRY *qglGenRenderbuffersEXT)(GLsizei n, GLuint *renderbuffers);
+extern void (GLAPIENTRY *qglRenderbufferStorageEXT)(GLenum target, GLenum internalformat, GLsizei width, GLsizei height);
+extern void (GLAPIENTRY *qglGetRenderbufferParameterivEXT)(GLenum target, GLenum pname, GLint *params);
+extern GLboolean (GLAPIENTRY *qglIsFramebufferEXT)(GLuint framebuffer);
+extern void (GLAPIENTRY *qglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
+extern void (GLAPIENTRY *qglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
+extern void (GLAPIENTRY *qglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
+extern GLenum (GLAPIENTRY *qglCheckFramebufferStatusEXT)(GLenum target);
+//extern void (GLAPIENTRY *qglFramebufferTexture1DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+extern void (GLAPIENTRY *qglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
+extern void (GLAPIENTRY *qglFramebufferTexture3DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level, GLint zoffset);
+extern void (GLAPIENTRY *qglFramebufferRenderbufferEXT)(GLenum target, GLenum attachment, GLenum renderbuffertarget, GLuint renderbuffer);
+extern void (GLAPIENTRY *qglGetFramebufferAttachmentParameterivEXT)(GLenum target, GLenum attachment, GLenum pname, GLint *params);
+extern void (GLAPIENTRY *qglGenerateMipmapEXT)(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);
+
 
 extern void (GLAPIENTRY *qglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
 
@@ -423,12 +632,14 @@ extern void (GLAPIENTRY *qglColorMask)(GLboolean red, GLboolean green, GLboolean
 
 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);
@@ -436,26 +647,27 @@ 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);
+//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 *qglLoadMatrixd)(const GLdouble *m);
 extern void (GLAPIENTRY *qglLoadMatrixf)(const GLfloat *m);
-extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
-extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
-extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
-extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
-extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
-extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
-extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
-extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
+//extern void (GLAPIENTRY *qglMultMatrixd)(const GLdouble *m);
+//extern void (GLAPIENTRY *qglMultMatrixf)(const GLfloat *m);
+//extern void (GLAPIENTRY *qglRotated)(GLdouble angle, GLdouble x, GLdouble y, GLdouble z);
+//extern void (GLAPIENTRY *qglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
+//extern void (GLAPIENTRY *qglScaled)(GLdouble x, GLdouble y, GLdouble z);
+//extern void (GLAPIENTRY *qglScalef)(GLfloat x, GLfloat y, GLfloat z);
+//extern void (GLAPIENTRY *qglTranslated)(GLdouble x, GLdouble y, GLdouble z);
+//extern void (GLAPIENTRY *qglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
 
 extern void (GLAPIENTRY *qglReadPixels)(GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels);
 
@@ -470,217 +682,261 @@ extern void (GLAPIENTRY *qglTexEnvi)(GLenum target, GLenum pname, GLint param);
 extern void (GLAPIENTRY *qglTexParameterf)(GLenum target, GLenum pname, GLfloat param);
 extern void (GLAPIENTRY *qglTexParameterfv)(GLenum target, GLenum pname, GLfloat *params);
 extern void (GLAPIENTRY *qglTexParameteri)(GLenum target, GLenum pname, GLint param);
+extern void (GLAPIENTRY *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 void (GLAPIENTRY *qglPixelStoref)(GLenum pname, GLfloat param);
+//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);
 
-#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
-
-// GL_ARB_shader_objects
-extern int gl_support_shader_objects;
-#ifndef GL_PROGRAM_OBJECT_ARB
+//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 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
+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 *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_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
-
-// 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
+#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_EXT_bgr
@@ -689,12 +945,16 @@ extern int gl_support_shading_language_100;
 // GL_EXT_bgra
 #define GL_BGRA                                        0x80E1
 
+//GL_AMD_texture_texture4
+
+//GL_ARB_texture_gather
+
 #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__);}
+#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__);}}
 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