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raze/polymer/eduke32/build/include/glbuild.h
helixhorned 0dd78fb029 Cleanup of console/on-screen-display (OSD) functionality. 
- Rewrite the "clear background" routine in a no-brainer way instead of
  juggling around with rotatesprite(). Make it common to game+editor.
  Expose glRectd to glbuild.
- Don't stop OSD text line drawing when encountering a non-printable char.
  Instead, treat it as space.
- In OSD_SetTextMode(), don't use swaplong (which really swaps 32-bit ints)
  to swap pointers. Write an analogous "swapptr" instead.
- When changing from/to OSD, don't inject a pause key. This *might* have been
  the cause of the reported pausing problems.
- clean up the code...
(Yes, this commit throws together too much stuff. I suck sometimes. :P)

git-svn-id: https://svn.eduke32.com/eduke32@3321 1a8010ca-5511-0410-912e-c29ae57300e0
2012-12-25 16:13:50 +00:00

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#ifndef BGLBUILD_H_INCLUDED_
#define BGLBUILD_H_INCLUDED_
#ifdef USE_OPENGL
#ifdef _WIN32
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
// Tell gl.h to not include glext.h, we'll include our own copy in a minute
#define GL_GLEXT_LEGACY
#if defined(__APPLE__)
# include <OpenGL/gl.h>
# include <OpenGL/glu.h>
#else
# include <GL/gl.h>
# include <GL/glu.h>
#endif
// get this header from http://oss.sgi.com/projects/ogl-sample/registry/
// if you are missing it
//#include <GL/glext.h>
#if defined(__APPLE__)
# include <OpenGL/glext.h>
#else
# include "glext.h"
#endif
#ifndef GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT
#error You should get an updated copy of glext.h from http://oss.sgi.com/projects/ogl-sample/registry/
#endif
#ifndef APIENTRY
# define APIENTRY
#endif
# ifdef _WIN32
# define PR_CALLBACK __stdcall
# else
# define PR_CALLBACK
# endif
// those defines are somehow missing from glext.h
#define GL_FRAMEBUFFER_EXT 0x8D40
#define GL_COLOR_ATTACHMENT0_EXT 0x8CE0
#define GL_DEPTH_ATTACHMENT_EXT 0x8D00
#define GL_FRAMEBUFFER_COMPLETE_EXT 0x8CD5
#define GL_TEXTURE_RECTANGLE 0x84F5
typedef void (APIENTRY * bglClearColorProcPtr)( GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha );
extern bglClearColorProcPtr bglClearColor;
typedef void (APIENTRY * bglClearProcPtr)( GLbitfield mask );
extern bglClearProcPtr bglClear;
typedef void (APIENTRY * bglColorMaskProcPtr)( GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha );
extern bglColorMaskProcPtr bglColorMask;
typedef void (APIENTRY * bglAlphaFuncProcPtr)( GLenum func, GLclampf ref );
extern bglAlphaFuncProcPtr bglAlphaFunc;
typedef void (APIENTRY * bglBlendFuncProcPtr)( GLenum sfactor, GLenum dfactor );
extern bglBlendFuncProcPtr bglBlendFunc;
typedef void (APIENTRY * bglBlendEquationProcPtr)( GLenum mode );
extern bglBlendEquationProcPtr bglBlendEquation;
typedef void (APIENTRY * bglCullFaceProcPtr)( GLenum mode );
extern bglCullFaceProcPtr bglCullFace;
typedef void (APIENTRY * bglFrontFaceProcPtr)( GLenum mode );
extern bglFrontFaceProcPtr bglFrontFace;
typedef void (APIENTRY * bglPolygonOffsetProcPtr)( GLfloat factor, GLfloat units );
extern bglPolygonOffsetProcPtr bglPolygonOffset;
typedef void (APIENTRY * bglPolygonModeProcPtr)( GLenum face, GLenum mode );
extern bglPolygonModeProcPtr bglPolygonMode;
typedef void (APIENTRY * bglEnableProcPtr)( GLenum cap );
extern bglEnableProcPtr bglEnable;
typedef void (APIENTRY * bglDisableProcPtr)( GLenum cap );
extern bglDisableProcPtr bglDisable;
typedef void (APIENTRY * bglGetDoublevProcPtr)( GLenum pname, GLdouble *params );
extern bglGetDoublevProcPtr bglGetDoublev;
typedef void (APIENTRY * bglGetFloatvProcPtr)( GLenum pname, GLfloat *params );
extern bglGetFloatvProcPtr bglGetFloatv;
typedef void (APIENTRY * bglGetIntegervProcPtr)( GLenum pname, GLint *params );
extern bglGetIntegervProcPtr bglGetIntegerv;
typedef void (APIENTRY * bglPushAttribProcPtr)( GLbitfield mask );
extern bglPushAttribProcPtr bglPushAttrib;
typedef void (APIENTRY * bglPopAttribProcPtr)( void );
extern bglPopAttribProcPtr bglPopAttrib;
typedef GLenum (APIENTRY * bglGetErrorProcPtr)( void );
extern bglGetErrorProcPtr bglGetError;
typedef const GLubyte* (APIENTRY * bglGetStringProcPtr)( GLenum name );
extern bglGetStringProcPtr bglGetString;
typedef void (APIENTRY * bglHintProcPtr)( GLenum target, GLenum mode );
extern bglHintProcPtr bglHint;
typedef void (APIENTRY * bglDrawBufferProcPtr)(GLenum mode);
extern bglDrawBufferProcPtr bglDrawBuffer;
typedef void (APIENTRY * bglReadBufferProcPtr)(GLenum mode);
extern bglReadBufferProcPtr bglReadBuffer;
typedef void (APIENTRY * bglScissorProcPtr)(GLint x, GLint y, GLsizei width, GLsizei height);
extern bglScissorProcPtr bglScissor;
typedef void (APIENTRY * bglClipPlaneProcPtr)(GLenum plane, const GLdouble *equation);
extern bglClipPlaneProcPtr bglClipPlane;
// Depth
typedef void (APIENTRY * bglDepthFuncProcPtr)( GLenum func );
extern bglDepthFuncProcPtr bglDepthFunc;
typedef void (APIENTRY * bglDepthMaskProcPtr)( GLboolean flag );
extern bglDepthMaskProcPtr bglDepthMask;
typedef void (APIENTRY * bglDepthRangeProcPtr)( GLclampd near_val, GLclampd far_val );
extern bglDepthRangeProcPtr bglDepthRange;
// Matrix
typedef void (APIENTRY * bglMatrixModeProcPtr)( GLenum mode );
extern bglMatrixModeProcPtr bglMatrixMode;
typedef void (APIENTRY * bglOrthoProcPtr)( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val );
extern bglOrthoProcPtr bglOrtho;
typedef void (APIENTRY * bglFrustumProcPtr)( GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near_val, GLdouble far_val );
extern bglFrustumProcPtr bglFrustum;
typedef void (APIENTRY * bglViewportProcPtr)( GLint x, GLint y, GLsizei width, GLsizei height );
extern bglViewportProcPtr bglViewport;
typedef void (APIENTRY * bglPushMatrixProcPtr)( void );
extern bglPushMatrixProcPtr bglPushMatrix;
typedef void (APIENTRY * bglPopMatrixProcPtr)( void );
extern bglPopMatrixProcPtr bglPopMatrix;
typedef void (APIENTRY * bglLoadIdentityProcPtr)( void );
extern bglLoadIdentityProcPtr bglLoadIdentity;
typedef void (APIENTRY * bglLoadMatrixfProcPtr)( const GLfloat *m );
extern bglLoadMatrixfProcPtr bglLoadMatrixf;
typedef void (APIENTRY * bglLoadMatrixdProcPtr)( const GLdouble *m );
extern bglLoadMatrixdProcPtr bglLoadMatrixd;
typedef void (APIENTRY * bglMultMatrixfProcPtr)( const GLfloat *m );
extern bglMultMatrixfProcPtr bglMultMatrixf;
typedef void (APIENTRY * bglMultMatrixdProcPtr)( const GLdouble *m );
extern bglMultMatrixdProcPtr bglMultMatrixd;
typedef void (APIENTRY * bglRotatefProcPtr)(GLfloat angle, GLfloat x, GLfloat y, GLfloat z);
extern bglRotatefProcPtr bglRotatef;
typedef void (APIENTRY * bglScalefProcPtr)(GLfloat x, GLfloat y, GLfloat z);
extern bglScalefProcPtr bglScalef;
typedef void (APIENTRY * bglTranslatefProcPtr)(GLfloat x, GLfloat y, GLfloat z);
extern bglTranslatefProcPtr bglTranslatef;
// Drawing
typedef void (APIENTRY * bglBeginProcPtr)( GLenum mode );
extern bglBeginProcPtr bglBegin;
typedef void (APIENTRY * bglEndProcPtr)( void );
extern bglEndProcPtr bglEnd;
typedef void (APIENTRY * bglVertex2fProcPtr)( GLfloat x, GLfloat y );
extern bglVertex2fProcPtr bglVertex2f;
typedef void (APIENTRY * bglVertex2iProcPtr)( GLint x, GLint y );
extern bglVertex2iProcPtr bglVertex2i;
typedef void (APIENTRY * bglVertex3fProcPtr)( GLfloat x, GLfloat y, GLfloat z );
extern bglVertex3fProcPtr bglVertex3f;
typedef void (APIENTRY * bglVertex3dProcPtr)( GLdouble x, GLdouble y, GLdouble z );
extern bglVertex3dProcPtr bglVertex3d;
typedef void (APIENTRY * bglVertex3fvProcPtr)( const GLfloat *v );
extern bglVertex3fvProcPtr bglVertex3fv;
typedef void (APIENTRY * bglVertex3dvProcPtr)( const GLdouble *v );
extern bglVertex3dvProcPtr bglVertex3dv;
typedef void (APIENTRY * bglRectdProcPtr)( GLdouble x1, GLdouble y1, GLdouble x2, GLdouble y2 );
extern bglRectdProcPtr bglRectd;
typedef void (APIENTRY * bglColor4fProcPtr)( GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha );
extern bglColor4fProcPtr bglColor4f;
typedef void (APIENTRY * bglColor4ubProcPtr)( GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha );
extern bglColor4ubProcPtr bglColor4ub;
typedef void (APIENTRY * bglTexCoord2dProcPtr)( GLdouble s, GLdouble t );
extern bglTexCoord2dProcPtr bglTexCoord2d;
typedef void (APIENTRY * bglTexCoord2fProcPtr)( GLfloat s, GLfloat t );
extern bglTexCoord2fProcPtr bglTexCoord2f;
typedef void (APIENTRY * bglTexCoord2iProcPtr)( GLint s, GLint t );
extern bglTexCoord2iProcPtr bglTexCoord2i;
typedef void (APIENTRY * bglNormal3fProcPtr)( GLfloat x, GLfloat y, GLfloat z );
extern bglNormal3fProcPtr bglNormal3f;
// Lighting
typedef void (APIENTRY * bglShadeModelProcPtr)( GLenum mode );
extern bglShadeModelProcPtr bglShadeModel;
typedef void (APIENTRY * bglLightfvProcPtr)( GLenum light, GLenum pname, const GLfloat * params );
extern bglLightfvProcPtr bglLightfv;
// Raster funcs
typedef void (APIENTRY * bglReadPixelsProcPtr)( GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type, GLvoid *pixels );
extern bglReadPixelsProcPtr bglReadPixels;
typedef void (APIENTRY * bglRasterPos4iProcPtr)( GLint x, GLint y, GLint z, GLint w );
extern bglRasterPos4iProcPtr bglRasterPos4i;
typedef void (APIENTRY * bglDrawPixelsProcPtr)( GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels );
extern bglDrawPixelsProcPtr bglDrawPixels;
typedef void (APIENTRY * bglPixelStoreiProcPtr)( GLenum pname, GLint param );
extern bglPixelStoreiProcPtr bglPixelStorei;
// Texture mapping
typedef void (APIENTRY * bglTexEnvfProcPtr)( GLenum target, GLenum pname, GLfloat param );
extern bglTexEnvfProcPtr bglTexEnvf;
typedef void (APIENTRY * bglGenTexturesProcPtr)( GLsizei n, GLuint *textures ); // 1.1
extern bglGenTexturesProcPtr bglGenTextures;
typedef void (APIENTRY * bglDeleteTexturesProcPtr)( GLsizei n, const GLuint *textures); // 1.1
extern bglDeleteTexturesProcPtr bglDeleteTextures;
typedef void (APIENTRY * bglBindTextureProcPtr)( GLenum target, GLuint texture ); // 1.1
extern bglBindTextureProcPtr bglBindTexture;
typedef void (APIENTRY * bglTexImage2DProcPtr)( GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const GLvoid *pixels );
extern bglTexImage2DProcPtr bglTexImage2D;
typedef void (APIENTRY * bglTexImage3DProcPtr)(GLenum target, GLint level, GLint internalFormat, GLsizei width, GLsizei height, GLsizei depth, GLint border, GLenum format, GLenum type, const GLvoid *pixels);
extern bglTexImage3DProcPtr bglTexImage3D;
typedef void (APIENTRY * bglCopyTexImage2DProcPtr)( GLenum target, GLint level, GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height, GLint border );
extern bglCopyTexImage2DProcPtr bglCopyTexImage2D;
typedef void (APIENTRY * bglCopyTexSubImage2DProcPtr)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint x, GLint y, GLsizei width, GLsizei height);
extern bglCopyTexSubImage2DProcPtr bglCopyTexSubImage2D;
typedef void (APIENTRY * bglTexSubImage2DProcPtr)( GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const GLvoid *pixels ); // 1.1
extern bglTexSubImage2DProcPtr bglTexSubImage2D;
typedef void (APIENTRY * bglTexParameterfProcPtr)( GLenum target, GLenum pname, GLfloat param );
extern bglTexParameterfProcPtr bglTexParameterf;
typedef void (APIENTRY * bglTexParameteriProcPtr)( GLenum target, GLenum pname, GLint param );
extern bglTexParameteriProcPtr bglTexParameteri;
typedef void (APIENTRY * bglGetTexParameterivProcPtr)( GLenum target, GLenum pname, GLint *params );
extern bglGetTexParameterivProcPtr bglGetTexParameteriv;
typedef void (APIENTRY * bglGetTexLevelParameterivProcPtr)( GLenum target, GLint level, GLenum pname, GLint *params );
extern bglGetTexLevelParameterivProcPtr bglGetTexLevelParameteriv;
typedef void (APIENTRY * bglCompressedTexImage2DARBProcPtr)(GLenum, GLint, GLenum, GLsizei, GLsizei, GLint, GLsizei, const GLvoid *);
extern bglCompressedTexImage2DARBProcPtr bglCompressedTexImage2DARB;
typedef void (APIENTRY * bglGetCompressedTexImageARBProcPtr)(GLenum, GLint, GLvoid *);
extern bglGetCompressedTexImageARBProcPtr bglGetCompressedTexImageARB;
typedef void (APIENTRY * bglTexGenfvProcPtr)(GLenum coord, GLenum pname, const GLfloat *params);
extern bglTexGenfvProcPtr bglTexGenfv;
// Fog
typedef void (APIENTRY * bglFogfProcPtr)( GLenum pname, GLfloat param );
extern bglFogfProcPtr bglFogf;
typedef void (APIENTRY * bglFogiProcPtr)( GLenum pname, GLint param );
extern bglFogiProcPtr bglFogi;
typedef void (APIENTRY * bglFogfvProcPtr)( GLenum pname, const GLfloat *params );
extern bglFogfvProcPtr bglFogfv;
// Display Lists
typedef void (APIENTRY * bglNewListProcPtr)(GLuint list, GLenum mode);
extern bglNewListProcPtr bglNewList;
typedef void (APIENTRY * bglEndListProcPtr)(void);
extern bglEndListProcPtr bglEndList;
typedef void (APIENTRY * bglCallListProcPtr)(GLuint list);
extern bglCallListProcPtr bglCallList;
typedef void (APIENTRY * bglDeleteListsProcPtr)(GLuint list, GLsizei range);
extern bglDeleteListsProcPtr bglDeleteLists;
// Vertex Arrays
typedef void (APIENTRY * bglEnableClientStateProcPtr)(GLenum cap);
extern bglEnableClientStateProcPtr bglEnableClientState;
typedef void (APIENTRY * bglDisableClientStateProcPtr)(GLenum cap);
extern bglDisableClientStateProcPtr bglDisableClientState;
typedef void (APIENTRY * bglVertexPointerProcPtr)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern bglVertexPointerProcPtr bglVertexPointer;
typedef void (APIENTRY * bglNormalPointerProcPtr)(GLenum type, GLsizei stride, const GLvoid *pointer);
extern bglNormalPointerProcPtr bglNormalPointer;
typedef void (APIENTRY * bglTexCoordPointerProcPtr)(GLint size, GLenum type, GLsizei stride, const GLvoid *pointer);
extern bglTexCoordPointerProcPtr bglTexCoordPointer;
typedef void (APIENTRY * bglDrawArraysProcPtr)(GLenum mode, GLint first, GLsizei count);
extern bglDrawArraysProcPtr bglDrawArrays;
typedef void (APIENTRY * bglDrawElementsProcPtr)(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices);
extern bglDrawElementsProcPtr bglDrawElements;
// Stencil Buffer
typedef void (APIENTRY * bglClearStencilProcPtr)(GLint s);
extern bglClearStencilProcPtr bglClearStencil;
typedef void (APIENTRY * bglStencilOpProcPtr)(GLenum fail, GLenum zfail, GLenum zpass);
extern bglStencilOpProcPtr bglStencilOp;
typedef void (APIENTRY * bglStencilFuncProcPtr)(GLenum func, GLint ref, GLuint mask);
extern bglStencilFuncProcPtr bglStencilFunc;
// GPU Programs
typedef void (APIENTRY * bglGenProgramsARBProcPtr)(GLsizei, GLuint *);
extern bglGenProgramsARBProcPtr bglGenProgramsARB;
typedef void (APIENTRY * bglBindProgramARBProcPtr)(GLenum, GLuint);
extern bglBindProgramARBProcPtr bglBindProgramARB;
typedef void (APIENTRY * bglProgramStringARBProcPtr)(GLenum, GLenum, GLsizei, const GLvoid *);
extern bglProgramStringARBProcPtr bglProgramStringARB;
typedef void (APIENTRY * bglDeleteProgramsARBProcPtr)(GLsizei n, const GLuint *programs);
extern bglDeleteProgramsARBProcPtr bglDeleteProgramsARB;
// Multitexturing
typedef void (APIENTRY * bglActiveTextureARBProcPtr)(GLenum texture);
extern bglActiveTextureARBProcPtr bglActiveTextureARB;
typedef void (APIENTRY * bglClientActiveTextureARBProcPtr)(GLenum texture);
extern bglClientActiveTextureARBProcPtr bglClientActiveTextureARB;
typedef void (APIENTRY * bglMultiTexCoord2dARBProcPtr)(GLenum target, GLdouble s, GLdouble t );
extern bglMultiTexCoord2dARBProcPtr bglMultiTexCoord2dARB;
typedef void (APIENTRY * bglMultiTexCoord2fARBProcPtr)(GLenum target, GLfloat s, GLfloat t );
extern bglMultiTexCoord2fARBProcPtr bglMultiTexCoord2fARB;
// Frame Buffer Objects
typedef void (APIENTRY * bglGenFramebuffersEXTProcPtr)(GLsizei n, GLuint *framebuffers);
extern bglGenFramebuffersEXTProcPtr bglGenFramebuffersEXT;
typedef void (APIENTRY * bglBindFramebufferEXTProcPtr)(GLenum target, GLuint framebuffer);
extern bglBindFramebufferEXTProcPtr bglBindFramebufferEXT;
typedef void (APIENTRY * bglFramebufferTexture2DEXTProcPtr)(GLenum target, GLenum attachment, GLenum textarget, GLuint texture, GLint level);
extern bglFramebufferTexture2DEXTProcPtr bglFramebufferTexture2DEXT;
typedef GLenum (APIENTRY * bglCheckFramebufferStatusEXTProcPtr)(GLenum target);
extern bglCheckFramebufferStatusEXTProcPtr bglCheckFramebufferStatusEXT;
typedef void (APIENTRY * bglDeleteFramebuffersEXTProcPtr)(GLsizei n, const GLuint *framebuffers);
extern bglDeleteFramebuffersEXTProcPtr bglDeleteFramebuffersEXT;
// Vertex Buffer Objects
typedef void (APIENTRY * bglGenBuffersARBProcPtr)(GLsizei n, GLuint * buffers);
extern bglGenBuffersARBProcPtr bglGenBuffersARB;
typedef void (APIENTRY * bglBindBufferARBProcPtr)(GLenum target, GLuint buffer);
extern bglBindBufferARBProcPtr bglBindBufferARB;
typedef void (APIENTRY * bglDeleteBuffersARBProcPtr)(GLsizei n, const GLuint * buffers);
extern bglDeleteBuffersARBProcPtr bglDeleteBuffersARB;
typedef void (APIENTRY * bglBufferDataARBProcPtr)(GLenum target, GLsizeiptrARB size, const GLvoid * data, GLenum usage);
extern bglBufferDataARBProcPtr bglBufferDataARB;
typedef void (APIENTRY * bglBufferSubDataARBProcPtr)(GLenum target, GLintptrARB offset, GLsizeiptrARB size, const GLvoid * data);
extern bglBufferSubDataARBProcPtr bglBufferSubDataARB;
typedef void* (APIENTRY * bglMapBufferARBProcPtr)(GLenum target, GLenum access);
extern bglMapBufferARBProcPtr bglMapBufferARB;
typedef GLboolean (APIENTRY * bglUnmapBufferARBProcPtr)(GLenum target);
extern bglUnmapBufferARBProcPtr bglUnmapBufferARB;
// Occlusion queries
typedef void (APIENTRY * bglGenQueriesARBProcPtr)(GLsizei n, GLuint *ids);
extern bglGenQueriesARBProcPtr bglGenQueriesARB;
typedef void (APIENTRY * bglDeleteQueriesARBProcPtr)(GLsizei n, const GLuint *ids);
extern bglDeleteQueriesARBProcPtr bglDeleteQueriesARB;
typedef GLboolean (APIENTRY * bglIsQueryARBProcPtr)(GLuint id);
extern bglIsQueryARBProcPtr bglIsQueryARB;
typedef void (APIENTRY * bglBeginQueryARBProcPtr)(GLenum target, GLuint id);
extern bglBeginQueryARBProcPtr bglBeginQueryARB;
typedef void (APIENTRY * bglEndQueryARBProcPtr)(GLenum target);
extern bglEndQueryARBProcPtr bglEndQueryARB;
typedef void (APIENTRY * bglGetQueryivARBProcPtr)(GLenum target, GLenum pname, GLint *params);
extern bglGetQueryivARBProcPtr bglGetQueryivARB;
typedef void (APIENTRY * bglGetQueryObjectivARBProcPtr)(GLuint id, GLenum pname, GLint *params);
extern bglGetQueryObjectivARBProcPtr bglGetQueryObjectivARB;
typedef void (APIENTRY * bglGetQueryObjectuivARBProcPtr)(GLuint id, GLenum pname, GLuint *params);
extern bglGetQueryObjectuivARBProcPtr bglGetQueryObjectuivARB;
// Shader Objects
typedef void (APIENTRY * bglDeleteObjectARBProcPtr)(GLhandleARB);
extern bglDeleteObjectARBProcPtr bglDeleteObjectARB;
typedef GLhandleARB (APIENTRY * bglGetHandleARBProcPtr)(GLenum);
extern bglGetHandleARBProcPtr bglGetHandleARB;
typedef void (APIENTRY * bglDetachObjectARBProcPtr)(GLhandleARB, GLhandleARB);
extern bglDetachObjectARBProcPtr bglDetachObjectARB;
typedef GLhandleARB (APIENTRY * bglCreateShaderObjectARBProcPtr)(GLenum);
extern bglCreateShaderObjectARBProcPtr bglCreateShaderObjectARB;
typedef void (APIENTRY * bglShaderSourceARBProcPtr)(GLhandleARB, GLsizei, const GLcharARB* *, const GLint *);
extern bglShaderSourceARBProcPtr bglShaderSourceARB;
typedef void (APIENTRY * bglCompileShaderARBProcPtr)(GLhandleARB);
extern bglCompileShaderARBProcPtr bglCompileShaderARB;
typedef GLhandleARB (APIENTRY * bglCreateProgramObjectARBProcPtr)(void);
extern bglCreateProgramObjectARBProcPtr bglCreateProgramObjectARB;
typedef void (APIENTRY * bglAttachObjectARBProcPtr)(GLhandleARB, GLhandleARB);
extern bglAttachObjectARBProcPtr bglAttachObjectARB;
typedef void (APIENTRY * bglLinkProgramARBProcPtr)(GLhandleARB);
extern bglLinkProgramARBProcPtr bglLinkProgramARB;
typedef void (APIENTRY * bglUseProgramObjectARBProcPtr)(GLhandleARB);
extern bglUseProgramObjectARBProcPtr bglUseProgramObjectARB;
typedef void (APIENTRY * bglValidateProgramARBProcPtr)(GLhandleARB);
extern bglValidateProgramARBProcPtr bglValidateProgramARB;
typedef void (APIENTRY * bglUniform1fARBProcPtr)(GLint, GLfloat);
extern bglUniform1fARBProcPtr bglUniform1fARB;
typedef void (APIENTRY * bglUniform2fARBProcPtr)(GLint, GLfloat, GLfloat);
extern bglUniform2fARBProcPtr bglUniform2fARB;
typedef void (APIENTRY * bglUniform3fARBProcPtr)(GLint, GLfloat, GLfloat, GLfloat);
extern bglUniform3fARBProcPtr bglUniform3fARB;
typedef void (APIENTRY * bglUniform4fARBProcPtr)(GLint, GLfloat, GLfloat, GLfloat, GLfloat);
extern bglUniform4fARBProcPtr bglUniform4fARB;
typedef void (APIENTRY * bglUniform1iARBProcPtr)(GLint, GLint);
extern bglUniform1iARBProcPtr bglUniform1iARB;
typedef void (APIENTRY * bglUniform2iARBProcPtr)(GLint, GLint, GLint);
extern bglUniform2iARBProcPtr bglUniform2iARB;
typedef void (APIENTRY * bglUniform3iARBProcPtr)(GLint, GLint, GLint, GLint);
extern bglUniform3iARBProcPtr bglUniform3iARB;
typedef void (APIENTRY * bglUniform4iARBProcPtr)(GLint, GLint, GLint, GLint, GLint);
extern bglUniform4iARBProcPtr bglUniform4iARB;
typedef void (APIENTRY * bglUniform1fvARBProcPtr)(GLint, GLsizei, const GLfloat *);
extern bglUniform1fvARBProcPtr bglUniform1fvARB;
typedef void (APIENTRY * bglUniform2fvARBProcPtr)(GLint, GLsizei, const GLfloat *);
extern bglUniform2fvARBProcPtr bglUniform2fvARB;
typedef void (APIENTRY * bglUniform3fvARBProcPtr)(GLint, GLsizei, const GLfloat *);
extern bglUniform3fvARBProcPtr bglUniform3fvARB;
typedef void (APIENTRY * bglUniform4fvARBProcPtr)(GLint, GLsizei, const GLfloat *);
extern bglUniform4fvARBProcPtr bglUniform4fvARB;
typedef void (APIENTRY * bglUniform1ivARBProcPtr)(GLint, GLsizei, const GLint *);
extern bglUniform1ivARBProcPtr bglUniform1ivARB;
typedef void (APIENTRY * bglUniform2ivARBProcPtr)(GLint, GLsizei, const GLint *);
extern bglUniform2ivARBProcPtr bglUniform2ivARB;
typedef void (APIENTRY * bglUniform3ivARBProcPtr)(GLint, GLsizei, const GLint *);
extern bglUniform3ivARBProcPtr bglUniform3ivARB;
typedef void (APIENTRY * bglUniform4ivARBProcPtr)(GLint, GLsizei, const GLint *);
extern bglUniform4ivARBProcPtr bglUniform4ivARB;
typedef void (APIENTRY * bglUniformMatrix2fvARBProcPtr)(GLint, GLsizei, GLboolean, const GLfloat *);
extern bglUniformMatrix2fvARBProcPtr bglUniformMatrix2fvARB;
typedef void (APIENTRY * bglUniformMatrix3fvARBProcPtr)(GLint, GLsizei, GLboolean, const GLfloat *);
extern bglUniformMatrix3fvARBProcPtr bglUniformMatrix3fvARB;
typedef void (APIENTRY * bglUniformMatrix4fvARBProcPtr)(GLint, GLsizei, GLboolean, const GLfloat *);
extern bglUniformMatrix4fvARBProcPtr bglUniformMatrix4fvARB;
typedef void (APIENTRY * bglGetObjectParameterfvARBProcPtr)(GLhandleARB, GLenum, GLfloat *);
extern bglGetObjectParameterfvARBProcPtr bglGetObjectParameterfvARB;
typedef void (APIENTRY * bglGetObjectParameterivARBProcPtr)(GLhandleARB, GLenum, GLint *);
extern bglGetObjectParameterivARBProcPtr bglGetObjectParameterivARB;
typedef void (APIENTRY * bglGetInfoLogARBProcPtr)(GLhandleARB, GLsizei, GLsizei *, GLcharARB *);
extern bglGetInfoLogARBProcPtr bglGetInfoLogARB;
typedef void (APIENTRY * bglGetAttachedObjectsARBProcPtr)(GLhandleARB, GLsizei, GLsizei *, GLhandleARB *);
extern bglGetAttachedObjectsARBProcPtr bglGetAttachedObjectsARB;
typedef GLint (APIENTRY * bglGetUniformLocationARBProcPtr)(GLhandleARB, const GLcharARB *);
extern bglGetUniformLocationARBProcPtr bglGetUniformLocationARB;
typedef void (APIENTRY * bglGetActiveUniformARBProcPtr)(GLhandleARB, GLuint, GLsizei, GLsizei *, GLint *, GLenum *, GLcharARB *);
extern bglGetActiveUniformARBProcPtr bglGetActiveUniformARB;
typedef void (APIENTRY * bglGetUniformfvARBProcPtr)(GLhandleARB, GLint, GLfloat *);
extern bglGetUniformfvARBProcPtr bglGetUniformfvARB;
typedef void (APIENTRY * bglGetUniformivARBProcPtr)(GLhandleARB, GLint, GLint *);
extern bglGetUniformivARBProcPtr bglGetUniformivARB;
typedef void (APIENTRY * bglGetShaderSourceARBProcPtr)(GLhandleARB, GLsizei, GLsizei *, GLcharARB *);
extern bglGetShaderSourceARBProcPtr bglGetShaderSourceARB;
// Vertex Shaders
typedef void (APIENTRY * bglVertexAttrib1dARBProcPtr)(GLuint, GLdouble);
extern bglVertexAttrib1dARBProcPtr bglVertexAttrib1dARB;
typedef void (APIENTRY * bglVertexAttrib1dvARBProcPtr)(GLuint, const GLdouble *);
extern bglVertexAttrib1dvARBProcPtr bglVertexAttrib1dvARB;
typedef void (APIENTRY * bglVertexAttrib1fARBProcPtr)(GLuint, GLfloat);
extern bglVertexAttrib1fARBProcPtr bglVertexAttrib1fARB;
typedef void (APIENTRY * bglVertexAttrib1fvARBProcPtr)(GLuint, const GLfloat *);
extern bglVertexAttrib1fvARBProcPtr bglVertexAttrib1fvARB;
typedef void (APIENTRY * bglVertexAttrib1sARBProcPtr)(GLuint, GLshort);
extern bglVertexAttrib1sARBProcPtr bglVertexAttrib1sARB;
typedef void (APIENTRY * bglVertexAttrib1svARBProcPtr)(GLuint, const GLshort *);
extern bglVertexAttrib1svARBProcPtr bglVertexAttrib1svARB;
typedef void (APIENTRY * bglVertexAttrib2dARBProcPtr)(GLuint, GLdouble, GLdouble);
extern bglVertexAttrib2dARBProcPtr bglVertexAttrib2dARB;
typedef void (APIENTRY * bglVertexAttrib2dvARBProcPtr)(GLuint, const GLdouble *);
extern bglVertexAttrib2dvARBProcPtr bglVertexAttrib2dvARB;
typedef void (APIENTRY * bglVertexAttrib2fARBProcPtr)(GLuint, GLfloat, GLfloat);
extern bglVertexAttrib2fARBProcPtr bglVertexAttrib2fARB;
typedef void (APIENTRY * bglVertexAttrib2fvARBProcPtr)(GLuint, const GLfloat *);
extern bglVertexAttrib2fvARBProcPtr bglVertexAttrib2fvARB;
typedef void (APIENTRY * bglVertexAttrib2sARBProcPtr)(GLuint, GLshort, GLshort);
extern bglVertexAttrib2sARBProcPtr bglVertexAttrib2sARB;
typedef void (APIENTRY * bglVertexAttrib2svARBProcPtr)(GLuint, const GLshort *);
extern bglVertexAttrib2svARBProcPtr bglVertexAttrib2svARB;
typedef void (APIENTRY * bglVertexAttrib3dARBProcPtr)(GLuint, GLdouble, GLdouble, GLdouble);
extern bglVertexAttrib3dARBProcPtr bglVertexAttrib3dARB;
typedef void (APIENTRY * bglVertexAttrib3dvARBProcPtr)(GLuint, const GLdouble *);
extern bglVertexAttrib3dvARBProcPtr bglVertexAttrib3dvARB;
typedef void (APIENTRY * bglVertexAttrib3fARBProcPtr)(GLuint, GLfloat, GLfloat, GLfloat);
extern bglVertexAttrib3fARBProcPtr bglVertexAttrib3fARB;
typedef void (APIENTRY * bglVertexAttrib3fvARBProcPtr)(GLuint, const GLfloat *);
extern bglVertexAttrib3fvARBProcPtr bglVertexAttrib3fvARB;
typedef void (APIENTRY * bglVertexAttrib3sARBProcPtr)(GLuint, GLshort, GLshort, GLshort);
extern bglVertexAttrib3sARBProcPtr bglVertexAttrib3sARB;
typedef void (APIENTRY * bglVertexAttrib3svARBProcPtr)(GLuint, const GLshort *);
extern bglVertexAttrib3svARBProcPtr bglVertexAttrib3svARB;
typedef void (APIENTRY * bglVertexAttrib4NbvARBProcPtr)(GLuint, const GLbyte *);
extern bglVertexAttrib4NbvARBProcPtr bglVertexAttrib4NbvARB;
typedef void (APIENTRY * bglVertexAttrib4NivARBProcPtr)(GLuint, const GLint *);
extern bglVertexAttrib4NivARBProcPtr bglVertexAttrib4NivARB;
typedef void (APIENTRY * bglVertexAttrib4NsvARBProcPtr)(GLuint, const GLshort *);
extern bglVertexAttrib4NsvARBProcPtr bglVertexAttrib4NsvARB;
typedef void (APIENTRY * bglVertexAttrib4NubARBProcPtr)(GLuint, GLubyte, GLubyte, GLubyte, GLubyte);
extern bglVertexAttrib4NubARBProcPtr bglVertexAttrib4NubARB;
typedef void (APIENTRY * bglVertexAttrib4NubvARBProcPtr)(GLuint, const GLubyte *);
extern bglVertexAttrib4NubvARBProcPtr bglVertexAttrib4NubvARB;
typedef void (APIENTRY * bglVertexAttrib4NuivARBProcPtr)(GLuint, const GLuint *);
extern bglVertexAttrib4NuivARBProcPtr bglVertexAttrib4NuivARB;
typedef void (APIENTRY * bglVertexAttrib4NusvARBProcPtr)(GLuint, const GLushort *);
extern bglVertexAttrib4NusvARBProcPtr bglVertexAttrib4NusvARB;
typedef void (APIENTRY * bglVertexAttrib4bvARBProcPtr)(GLuint, const GLbyte *);
extern bglVertexAttrib4bvARBProcPtr bglVertexAttrib4bvARB;
typedef void (APIENTRY * bglVertexAttrib4dARBProcPtr)(GLuint, GLdouble, GLdouble, GLdouble, GLdouble);
extern bglVertexAttrib4dARBProcPtr bglVertexAttrib4dARB;
typedef void (APIENTRY * bglVertexAttrib4dvARBProcPtr)(GLuint, const GLdouble *);
extern bglVertexAttrib4dvARBProcPtr bglVertexAttrib4dvARB;
typedef void (APIENTRY * bglVertexAttrib4fARBProcPtr)(GLuint, GLfloat, GLfloat, GLfloat, GLfloat);
extern bglVertexAttrib4fARBProcPtr bglVertexAttrib4fARB;
typedef void (APIENTRY * bglVertexAttrib4fvARBProcPtr)(GLuint, const GLfloat *);
extern bglVertexAttrib4fvARBProcPtr bglVertexAttrib4fvARB;
typedef void (APIENTRY * bglVertexAttrib4ivARBProcPtr)(GLuint, const GLint *);
extern bglVertexAttrib4ivARBProcPtr bglVertexAttrib4ivARB;
typedef void (APIENTRY * bglVertexAttrib4sARBProcPtr)(GLuint, GLshort, GLshort, GLshort, GLshort);
extern bglVertexAttrib4sARBProcPtr bglVertexAttrib4sARB;
typedef void (APIENTRY * bglVertexAttrib4svARBProcPtr)(GLuint, const GLshort *);
extern bglVertexAttrib4svARBProcPtr bglVertexAttrib4svARB;
typedef void (APIENTRY * bglVertexAttrib4ubvARBProcPtr)(GLuint, const GLubyte *);
extern bglVertexAttrib4ubvARBProcPtr bglVertexAttrib4ubvARB;
typedef void (APIENTRY * bglVertexAttrib4uivARBProcPtr)(GLuint, const GLuint *);
extern bglVertexAttrib4uivARBProcPtr bglVertexAttrib4uivARB;
typedef void (APIENTRY * bglVertexAttrib4usvARBProcPtr)(GLuint, const GLushort *);
extern bglVertexAttrib4usvARBProcPtr bglVertexAttrib4usvARB;
typedef void (APIENTRY * bglVertexAttribPointerARBProcPtr)(GLuint, GLint, GLenum, GLboolean, GLsizei, const GLvoid *);
extern bglVertexAttribPointerARBProcPtr bglVertexAttribPointerARB;
typedef void (APIENTRY * bglEnableVertexAttribArrayARBProcPtr)(GLuint);
extern bglEnableVertexAttribArrayARBProcPtr bglEnableVertexAttribArrayARB;
typedef void (APIENTRY * bglDisableVertexAttribArrayARBProcPtr)(GLuint);
extern bglDisableVertexAttribArrayARBProcPtr bglDisableVertexAttribArrayARB;
typedef void (APIENTRY * bglGetVertexAttribdvARBProcPtr)(GLuint, GLenum, GLdouble *);
extern bglGetVertexAttribdvARBProcPtr bglGetVertexAttribdvARB;
typedef void (APIENTRY * bglGetVertexAttribfvARBProcPtr)(GLuint, GLenum, GLfloat *);
extern bglGetVertexAttribfvARBProcPtr bglGetVertexAttribfvARB;
typedef void (APIENTRY * bglGetVertexAttribivARBProcPtr)(GLuint, GLenum, GLint *);
extern bglGetVertexAttribivARBProcPtr bglGetVertexAttribivARB;
typedef void (APIENTRY * bglGetVertexAttribPointervARBProcPtr)(GLuint, GLenum, GLvoid* *);
extern bglGetVertexAttribPointervARBProcPtr bglGetVertexAttribPointervARB;
typedef void (APIENTRY * bglBindAttribLocationARBProcPtr)(GLhandleARB, GLuint, const GLcharARB *);
extern bglBindAttribLocationARBProcPtr bglBindAttribLocationARB;
typedef void (APIENTRY * bglGetActiveAttribARBProcPtr)(GLhandleARB, GLuint, GLsizei, GLsizei *, GLint *, GLenum *, GLcharARB *);
extern bglGetActiveAttribARBProcPtr bglGetActiveAttribARB;
typedef GLint (APIENTRY * bglGetAttribLocationARBProcPtr)(GLhandleARB, const GLcharARB *);
extern bglGetAttribLocationARBProcPtr bglGetAttribLocationARB;
// Debug Output
#ifndef __APPLE__
typedef void (APIENTRY * bglDebugMessageControlARBProcPtr)(GLenum source, GLenum type, GLenum severity, GLsizei count, const GLuint *ids, GLboolean enabled);
extern bglDebugMessageControlARBProcPtr bglDebugMessageControlARB;
typedef void (APIENTRY * bglDebugMessageCallbackARBProcPtr)(GLDEBUGPROCARB callback, const GLvoid *userParam);
extern bglDebugMessageCallbackARBProcPtr bglDebugMessageCallbackARB;
#endif
// GLU
typedef void (APIENTRY * bgluTessBeginContourProcPtr)(GLUtesselator* tess);
extern bgluTessBeginContourProcPtr bgluTessBeginContour;
typedef void (APIENTRY * bgluTessBeginPolygonProcPtr)(GLUtesselator* tess, GLvoid* data);
extern bgluTessBeginPolygonProcPtr bgluTessBeginPolygon;
typedef void (APIENTRY * bgluTessCallbackProcPtr)(GLUtesselator* tess, GLenum which, void (PR_CALLBACK CallBackFuncProcPtr)());
extern bgluTessCallbackProcPtr bgluTessCallback;
typedef void (APIENTRY * bgluTessEndContourProcPtr)(GLUtesselator* tess);
extern bgluTessEndContourProcPtr bgluTessEndContour;
typedef void (APIENTRY * bgluTessEndPolygonProcPtr)(GLUtesselator* tess);
extern bgluTessEndPolygonProcPtr bgluTessEndPolygon;
typedef void (APIENTRY * bgluTessNormalProcPtr)(GLUtesselator* tess, GLdouble valueX, GLdouble valueY, GLdouble valueZ);
extern bgluTessNormalProcPtr bgluTessNormal;
typedef void (APIENTRY * bgluTessPropertyProcPtr)(GLUtesselator* tess, GLenum which, GLdouble data);
extern bgluTessPropertyProcPtr bgluTessProperty;
typedef void (APIENTRY * bgluTessVertexProcPtr)(GLUtesselator* tess, GLdouble *location, GLvoid* data);
extern bgluTessVertexProcPtr bgluTessVertex;
typedef GLUtesselator* (APIENTRY * bgluNewTessProcPtr)(void);
extern bgluNewTessProcPtr bgluNewTess;
typedef void (APIENTRY * bgluDeleteTessProcPtr)(GLUtesselator* tess);
extern bgluDeleteTessProcPtr bgluDeleteTess;
typedef void (APIENTRY * bgluPerspectiveProcPtr)(GLdouble fovy, GLdouble aspect, GLdouble zNear, GLdouble zFar);
extern bgluPerspectiveProcPtr bgluPerspective;
typedef const GLubyte * (APIENTRY * bgluErrorStringProcPtr)(GLenum error);
extern bgluErrorStringProcPtr bgluErrorString;
typedef GLint (APIENTRY * bgluProjectProcPtr)(GLdouble objX, GLdouble objY, GLdouble objZ, const GLdouble *model, const GLdouble *proj, const GLint *view, GLdouble* winX, GLdouble* winY, GLdouble* winZ);
extern bgluProjectProcPtr bgluProject;
typedef GLint (APIENTRY * bgluUnProjectProcPtr)(GLdouble winX, GLdouble winY, GLdouble winZ, const GLdouble * model, const GLdouble * proj, const GLint * view, GLdouble* objX, GLdouble* objY, GLdouble* objZ);
extern bgluUnProjectProcPtr bgluUnProject;
#ifdef _WIN32
// Windows
typedef HGLRC (WINAPI * bwglCreateContextProcPtr)(HDC);
extern bwglCreateContextProcPtr bwglCreateContext;
typedef BOOL (WINAPI * bwglDeleteContextProcPtr)(HGLRC);
extern bwglDeleteContextProcPtr bwglDeleteContext;
typedef PROC (WINAPI * bwglGetProcAddressProcPtr)(LPCSTR);
extern bwglGetProcAddressProcPtr bwglGetProcAddress;
typedef BOOL (WINAPI * bwglMakeCurrentProcPtr)(HDC,HGLRC);
extern bwglMakeCurrentProcPtr bwglMakeCurrent;
typedef BOOL (WINAPI * bwglSwapBuffersProcPtr)(HDC);
extern bwglSwapBuffersProcPtr bwglSwapBuffers;
typedef int32_t (WINAPI * bwglChoosePixelFormatProcPtr)(HDC,CONST PIXELFORMATDESCRIPTOR*);
extern bwglChoosePixelFormatProcPtr bwglChoosePixelFormat;
typedef int32_t (WINAPI * bwglDescribePixelFormatProcPtr)(HDC,int32_t,UINT,LPPIXELFORMATDESCRIPTOR);
extern bwglDescribePixelFormatProcPtr bwglDescribePixelFormat;
typedef int32_t (WINAPI * bwglGetPixelFormatProcPtr)(HDC);
extern bwglGetPixelFormatProcPtr bwglGetPixelFormat;
typedef BOOL (WINAPI * bwglSetPixelFormatProcPtr)(HDC,int32_t,const PIXELFORMATDESCRIPTOR*);
extern bwglSetPixelFormatProcPtr bwglSetPixelFormat;
typedef BOOL (WINAPI * bwglSwapIntervalEXTProcPtr)(int32_t);
extern bwglSwapIntervalEXTProcPtr bwglSwapIntervalEXT;
typedef HGLRC (WINAPI * bwglCreateContextAttribsARBProcPtr)(HDC hDC, HGLRC hShareContext, const int *attribList);
extern bwglCreateContextAttribsARBProcPtr bwglCreateContextAttribsARB;
#endif
//////// glGenTextures/glDeleteTextures debugging ////////
void texdbg_bglGenTextures(GLsizei n, GLuint *textures, const char *srcfn);
void texdbg_bglDeleteTextures(GLsizei n, const GLuint *textures, const char *srcfn);
//#define DEBUG_TEXTURE_NAMES
# if defined DEBUGGINGAIDS && defined DEBUG_TEXTURE_NAMES
# define bglGenTextures(numtexs, texnamear) texdbg_bglGenTextures(numtexs, texnamear, __FILE__)
# define bglDeleteTextures(numtexs, texnamear) texdbg_bglDeleteTextures(numtexs, texnamear, __FILE__)
# endif
#endif //USE_OPENGL
extern char *gldriver;
int32_t loadgldriver(const char *driver);
int32_t loadglextensions(void);
int32_t unloadgldriver(void);
int32_t loadglulibrary(const char *driver);
int32_t unloadglulibrary(void);
#endif
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