// 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
#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
#define GL_OUT_OF_MEMORY 0x0505
#define GL_DITHER 0x0BD0
+#define GL_ALPHA 0x1906
#define GL_RGB 0x1907
#define GL_RGBA 0x1908
#endif
//GL_EXT_texture_filter_anisotropic
-extern int gl_support_anisotropy;
-extern int gl_max_anisotropy;
#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
#define GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT 0x84FF
#endif
// GL_ARB_shadow
-extern int gl_support_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
-extern int gl_max_texture_size;
-
// 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);
#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
#endif
-extern int gl_texture3d;
-extern int gl_max_3d_texture_size;
#ifndef GL_TEXTURE_3D
#define GL_PACK_SKIP_IMAGES 0x806B
#define GL_PACK_IMAGE_HEIGHT 0x806C
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;
-extern int gl_max_cube_map_texture_size;
#ifndef GL_TEXTURE_CUBE_MAP_POSITIVE_X_ARB
#define GL_NORMAL_MAP_ARB 0x8511
#define GL_REFLECTION_MAP_ARB 0x8512
#define GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB 0x851C
#endif
-extern int gl_texturerectangle;
-extern int gl_max_rectangle_texture_size;
#ifndef GL_TEXTURE_RECTANGLE_ARB
#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
#define GL_TEXTURE_BINDING_RECTANGLE_ARB 0x84F6
#define GL_SAMPLER_2D_RECT_SHADOW_ARB 0x8B64
#endif
-extern int gl_depthtexture;
#ifndef GL_DEPTH_COMPONENT16_ARB
#define GL_DEPTH_COMPONENT16_ARB 0x81A5
#define GL_DEPTH_COMPONENT24_ARB 0x81A6
#define GL_DEPTH_TEXTURE_MODE_ARB 0x884B
#endif
-
-extern int gl_dot3arb;
-#ifndef GL_DOT3_RGB_ARB
-#define GL_DOT3_RGB_ARB 0x86AE
-#define GL_DOT3_RGBA_ARB 0x86AF
-#endif
-
-/*
-// uncomment if this is actually needed by anyone
-extern int gl_dot3ext;
-#ifndef GL_DOT3_RGB_EXT
-#define GL_DOT3_RGB_EXT 0x8740
-#define GL_DOT3_RGBA_EXT 0x8741
-#endif
-*/
-
#ifndef GL_SCISSOR_TEST
#define GL_SCISSOR_TEST 0x0C11
#define GL_SCISSOR_BOX 0x0C10
#endif
// GL_SGIS_texture_edge_clamp or GL_EXT_texture_edge_clamp
-extern int gl_support_clamptoedge;
#ifndef GL_CLAMP_TO_EDGE
#define GL_CLAMP_TO_EDGE 0x812F
#endif
//GL_ATI_separate_stencil
-extern int gl_support_separatestencil;
#ifndef GL_STENCIL_BACK_FUNC
#define GL_STENCIL_BACK_FUNC 0x8800
#define GL_STENCIL_BACK_FAIL 0x8801
#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
-extern int gl_support_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
#endif
//GL_EXT_blend_subtract
-extern int gl_support_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
-extern int gl_support_arb_texture_non_power_of_two;
//GL_ARB_vertex_buffer_object
-extern int gl_support_arb_vertex_buffer_object;
#ifndef GL_ARRAY_BUFFER_ARB
#define GL_ARRAY_BUFFER_ARB 0x8892
#define GL_ELEMENT_ARRAY_BUFFER_ARB 0x8893
extern void (GLAPIENTRY *qglBufferSubDataARB) (GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid *data);
//GL_EXT_framebuffer_object
-extern int gl_support_ext_framebuffer_object;
#ifndef GL_FRAMEBUFFER_EXT
#define GL_FRAMEBUFFER_EXT 0x8D40
#define GL_RENDERBUFFER_EXT 0x8D41
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 *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);
extern void (GLAPIENTRY *qglClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf 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 *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);
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 *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);
-extern void (GLAPIENTRY *qglClipPlane)(GLenum plane, const GLdouble *equation);
-extern void (GLAPIENTRY *qglGetClipPlane)(GLenum plane, GLdouble *equation);
+//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_ARB_shader_objects
-extern int gl_support_shader_objects;
#ifndef GL_PROGRAM_OBJECT_ARB
// 1-byte character string
typedef char GLcharARB;
#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);
#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
#endif
// GL_ARB_shading_language_100
-extern int gl_support_shading_language_100;
#ifndef GL_SHADING_LANGUAGE_VERSION_ARB
#define GL_SHADING_LANGUAGE_VERSION_ARB 0x8B8C
#endif
// GL_ARB_texture_compression
-extern int gl_support_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 *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 *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_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 int gl_support_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);
// GL_EXT_bgra
#define GL_BGRA 0x80E1
-// GL_EXT_texture
-#define GL_LUMINANCE_ALPHA 0x190A
-#define GL_LUMINANCE16_ALPHA16 0x8048
-
//GL_AMD_texture_texture4
-extern int gl_support_amd_texture_texture4;
//GL_ARB_texture_gather
-extern int gl_support_arb_texture_gather;
#define DEBUGGL