mirror of
https://github.com/ZDoom/Raze.git
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235 lines
12 KiB
C
235 lines
12 KiB
C
#ifdef USE_OPENGL
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#ifdef RENDERTYPEWIN
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#endif
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#if defined(__APPLE__)
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# include <OpenGL/gl.h>
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# include <OpenGL/glu.h>
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#else
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# include <GL/gl.h>
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# include <GL/glu.h>
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#endif
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// get this header from http://oss.sgi.com/projects/ogl-sample/registry/
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// if you are missing it
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//#include <GL/glext.h>
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#if defined(__APPLE__)
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# include <OpenGL/glext.h>
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#else
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# include "glext.h"
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#endif
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#ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
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#error You should get an updated copy of glext.h from http://oss.sgi.com/projects/ogl-sample/registry/
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#endif
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#ifndef APIENTRY
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# define APIENTRY
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#endif
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# ifdef _WIN32
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# define PR_CALLBACK __stdcall
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# else
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# define PR_CALLBACK
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# endif
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// those defines are somehow missing from glext.h
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#define GL_FRAMEBUFFER_EXT 0x8D40
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#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
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#define GL_DEPTH_ATTACHMENT_EXT 0x8D00
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#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
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#define GL_TEXTURE_RECTANGLE 0x84F5
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extern void (APIENTRY * bglClearColor)( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha );
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extern void (APIENTRY * bglClear)( GLbitfield mask );
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extern void (APIENTRY * bglColorMask)( GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha );
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extern void (APIENTRY * bglAlphaFunc)( GLenum func, GLclampf ref );
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extern void (APIENTRY * bglBlendFunc)( GLenum sfactor, GLenum dfactor );
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extern void (APIENTRY * bglCullFace)( GLenum mode );
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extern void (APIENTRY * bglFrontFace)( GLenum mode );
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extern void (APIENTRY * bglPolygonOffset)( GLfloat factor, GLfloat units );
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extern void (APIENTRY * bglPolygonMode)( GLenum face, GLenum mode );
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extern void (APIENTRY * bglEnable)( GLenum cap );
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extern void (APIENTRY * bglDisable)( GLenum cap );
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extern void (APIENTRY * bglGetDoublev)( GLenum pname, GLdouble *params );
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extern void (APIENTRY * bglGetFloatv)( GLenum pname, GLfloat *params );
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extern void (APIENTRY * bglGetIntegerv)( GLenum pname, GLint *params );
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extern void (APIENTRY * bglPushAttrib)( GLbitfield mask );
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extern void (APIENTRY * bglPopAttrib)( void );
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extern GLenum (APIENTRY * bglGetError)( void );
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extern const GLubyte* (APIENTRY * bglGetString)( GLenum name );
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extern void (APIENTRY * bglHint)( GLenum target, GLenum mode );
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extern void (APIENTRY * bglDrawBuffer)(GLenum mode);
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extern void (APIENTRY * bglReadBuffer)(GLenum mode);
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extern void (APIENTRY * bglScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
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extern void (APIENTRY * bglClipPlane)(GLenum plane, const GLdouble *equation);
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// Depth
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extern void (APIENTRY * bglDepthFunc)( GLenum func );
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extern void (APIENTRY * bglDepthMask)( GLboolean flag );
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extern void (APIENTRY * bglDepthRange)( GLclampd near_val, GLclampd far_val );
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// Matrix
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extern void (APIENTRY * bglMatrixMode)( GLenum mode );
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extern void (APIENTRY * bglOrtho)( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val );
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extern void (APIENTRY * bglFrustum)( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val );
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extern void (APIENTRY * bglViewport)( GLint x, GLint y, GLsizei width, GLsizei height );
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extern void (APIENTRY * bglPushMatrix)( void );
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extern void (APIENTRY * bglPopMatrix)( void );
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extern void (APIENTRY * bglLoadIdentity)( void );
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extern void (APIENTRY * bglLoadMatrixf)( const GLfloat *m );
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extern void (APIENTRY * bglLoadMatrixd)( const GLdouble *m );
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extern void (APIENTRY * bglMultMatrixf)( const GLfloat *m );
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extern void (APIENTRY * bglMultMatrixd)( const GLdouble *m );
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extern void (APIENTRY * bglRotatef)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
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extern void (APIENTRY * bglScalef)(GLfloat x, GLfloat y, GLfloat z);
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extern void (APIENTRY * bglTranslatef)(GLfloat x, GLfloat y, GLfloat z);
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// Drawing
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extern void (APIENTRY * bglBegin)( GLenum mode );
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extern void (APIENTRY * bglEnd)( void );
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extern void (APIENTRY * bglVertex2f)( GLfloat x, GLfloat y );
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extern void (APIENTRY * bglVertex2i)( GLint x, GLint y );
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extern void (APIENTRY * bglVertex3f)( GLfloat x, GLfloat y, GLfloat z );
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extern void (APIENTRY * bglVertex3d)( GLdouble x, GLdouble y, GLdouble z );
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extern void (APIENTRY * bglVertex3fv)( const GLfloat *v );
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extern void (APIENTRY * bglVertex3dv)( const GLdouble *v );
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extern void (APIENTRY * bglColor4f)( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
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extern void (APIENTRY * bglColor4ub)( GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha );
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extern void (APIENTRY * bglTexCoord2d)( GLdouble s, GLdouble t );
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extern void (APIENTRY * bglTexCoord2f)( GLfloat s, GLfloat t );
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// Lighting
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extern void (APIENTRY * bglShadeModel)( GLenum mode );
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// Raster funcs
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extern void (APIENTRY * bglReadPixels)( GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels );
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extern void (APIENTRY * bglRasterPos4i)( GLint x, GLint y, GLint z, GLint w );
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extern void (APIENTRY * bglDrawPixels)( GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels );
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// Texture mapping
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extern void (APIENTRY * bglTexEnvf)( GLenum target, GLenum pname, GLfloat param );
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extern void (APIENTRY * bglGenTextures)( GLsizei n, GLuint *textures ); // 1.1
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extern void (APIENTRY * bglDeleteTextures)( GLsizei n, const GLuint *textures); // 1.1
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extern void (APIENTRY * bglBindTexture)( GLenum target, GLuint texture ); // 1.1
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extern void (APIENTRY * bglTexImage2D)( GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels );
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extern void (APIENTRY * bglCopyTexImage2D)( GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border );
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extern void (APIENTRY * bglCopyTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
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extern void (APIENTRY * bglTexSubImage2D)( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels ); // 1.1
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extern void (APIENTRY * bglTexParameterf)( GLenum target, GLenum pname, GLfloat param );
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extern void (APIENTRY * bglTexParameteri)( GLenum target, GLenum pname, GLint param );
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extern void (APIENTRY * bglGetTexLevelParameteriv)( GLenum target, GLint level, GLenum pname, GLint *params );
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extern void (APIENTRY * bglCompressedTexImage2DARB)(GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid *);
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extern void (APIENTRY * bglGetCompressedTexImageARB)(GLenum, GLint, GLvoid *);
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extern void (APIENTRY * bglTexGenfv)(GLenum coord, GLenum pname, const GLfloat *params);
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// Fog
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extern void (APIENTRY * bglFogf)( GLenum pname, GLfloat param );
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extern void (APIENTRY * bglFogi)( GLenum pname, GLint param );
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extern void (APIENTRY * bglFogfv)( GLenum pname, const GLfloat *params );
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// Display Lists
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extern void (APIENTRY * bglNewList)(GLuint list, GLenum mode);
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extern void (APIENTRY * bglEndList)(void);
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extern void (APIENTRY * bglCallList)(GLuint list);
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extern void (APIENTRY * bglDeleteLists)(GLuint list, GLsizei range);
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// Vertex Arrays
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extern void (APIENTRY * bglEnableClientState)(GLenum cap);
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extern void (APIENTRY * bglDisableClientState)(GLenum cap);
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extern void (APIENTRY * bglVertexPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
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extern void (APIENTRY * bglNormalPointer)(GLenum type, GLsizei stride, const GLvoid *pointer);
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extern void (APIENTRY * bglTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
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extern void (APIENTRY * bglDrawArrays)(GLenum mode, GLint first, GLsizei count);
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extern void (APIENTRY * bglDrawElements)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
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// Stencil Buffer
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extern void (APIENTRY * bglClearStencil)(GLint s);
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extern void (APIENTRY * bglStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
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extern void (APIENTRY * bglStencilFunc)(GLenum func, GLint ref, GLuint mask);
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// GPU Programs
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extern void (APIENTRY * bglGenProgramsARB)(GLsizei, GLuint *);
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extern void (APIENTRY * bglBindProgramARB)(GLenum, GLuint);
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extern void (APIENTRY * bglProgramStringARB)(GLenum, GLenum, GLsizei, const GLvoid *);
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extern void (APIENTRY * bglDeleteProgramsARB)(GLsizei n, const GLuint *programs);
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// Multitexturing
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extern void (APIENTRY * bglActiveTextureARB)(GLenum texture);
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extern void (APIENTRY * bglClientActiveTextureARB)(GLenum texture);
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extern void (APIENTRY * bglMultiTexCoord2dARB)(GLenum target, GLdouble s, GLdouble t );
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extern void (APIENTRY * bglMultiTexCoord2fARB)(GLenum target, GLfloat s, GLfloat t );
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// Frame Buffer Objects
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extern void (APIENTRY * bglGenFramebuffersEXT)(GLsizei n, GLuint *framebuffers);
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extern void (APIENTRY * bglBindFramebufferEXT)(GLenum target, GLuint framebuffer);
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extern void (APIENTRY * bglFramebufferTexture2DEXT)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
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extern GLenum (APIENTRY * bglCheckFramebufferStatusEXT)(GLenum target);
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extern void (APIENTRY * bglDeleteFramebuffersEXT)(GLsizei n, const GLuint *framebuffers);
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// Vertex Buffer Objects
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extern void (APIENTRY * bglGenBuffersARB)(GLsizei n, GLuint * buffers);
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extern void (APIENTRY * bglBindBufferARB)(GLenum target, GLuint buffer);
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extern void (APIENTRY * bglDeleteBuffersARB)(GLsizei n, const GLuint * buffers);
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extern void (APIENTRY * bglBufferDataARB)(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
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extern void (APIENTRY * bglBufferSubDataARB)(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
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extern void* (APIENTRY * bglMapBufferARB)(GLenum target, GLenum access);
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extern GLboolean (APIENTRY * bglUnmapBufferARB)(GLenum target);
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// Occlusion queries
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extern void (APIENTRY * bglGenQueriesARB)(GLsizei n, GLuint *ids);
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extern void (APIENTRY * bglDeleteQueriesARB)(GLsizei n, const GLuint *ids);
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extern GLboolean (APIENTRY * bglIsQueryARB)(GLuint id);
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extern void (APIENTRY * bglBeginQueryARB)(GLenum target, GLuint id);
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extern void (APIENTRY * bglEndQueryARB)(GLenum target);
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extern void (APIENTRY * bglGetQueryivARB)(GLenum target, GLenum pname, GLint *params);
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extern void (APIENTRY * bglGetQueryObjectivARB)(GLuint id, GLenum pname, GLint *params);
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extern void (APIENTRY * bglGetQueryObjectuivARB)(GLuint id, GLenum pname, GLuint *params);
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// GLU
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extern void (APIENTRY * bgluTessBeginContour) (GLUtesselator* tess);
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extern void (APIENTRY * bgluTessBeginPolygon) (GLUtesselator* tess, GLvoid* data);
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extern void (APIENTRY * bgluTessCallback) (GLUtesselator* tess, GLenum which, void (PR_CALLBACK CallBackFunc)());
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extern void (APIENTRY * bgluTessEndContour) (GLUtesselator* tess);
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extern void (APIENTRY * bgluTessEndPolygon) (GLUtesselator* tess);
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extern void (APIENTRY * bgluTessNormal) (GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ);
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extern void (APIENTRY * bgluTessProperty) (GLUtesselator* tess, GLenum which, GLdouble data);
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extern void (APIENTRY * bgluTessVertex) (GLUtesselator* tess, GLdouble *location, GLvoid* data);
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extern GLUtesselator* (APIENTRY * bgluNewTess) (void);
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extern void (APIENTRY * bgluPerspective) (GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar);
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extern const GLubyte * (APIENTRY * bgluErrorString) (GLenum error);
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extern GLint (APIENTRY * bgluProject)(GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble *model, const GLdouble *proj, const GLint *view, GLdouble* winX, GLdouble* winY, GLdouble* winZ);
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#ifdef RENDERTYPEWIN
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// Windows
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extern HGLRC (WINAPI * bwglCreateContext)(HDC);
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extern BOOL (WINAPI * bwglDeleteContext)(HGLRC);
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extern PROC (WINAPI * bwglGetProcAddress)(LPCSTR);
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extern BOOL (WINAPI * bwglMakeCurrent)(HDC,HGLRC);
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extern BOOL (WINAPI * bwglSwapBuffers)(HDC);
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extern int (WINAPI * bwglChoosePixelFormat)(HDC,CONST PIXELFORMATDESCRIPTOR*);
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extern int (WINAPI * bwglDescribePixelFormat)(HDC,int,UINT,LPPIXELFORMATDESCRIPTOR);
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extern int (WINAPI * bwglGetPixelFormat)(HDC);
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extern BOOL (WINAPI * bwglSetPixelFormat)(HDC,int,const PIXELFORMATDESCRIPTOR*);
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extern BOOL (WINAPI * bwglSwapIntervalEXT)(int);
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#endif
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#endif //USE_OPENGL
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extern char *gldriver;
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int loadgldriver(const char *driver);
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int loadglextensions(void);
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int unloadgldriver(void);
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int loadglulibrary(const char *driver);
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int unloadglulibrary(void);
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