HDK: RE/RE_OGLExt.h Source File

00001 /*
00002  * PROPRIETARY INFORMATION.  This software is proprietary to
00003  * Side Effects Software Inc., and is not to be reproduced,
00004  * transmitted, or disclosed in any way without written permission.
00005  *
00006  * Produced by:
00007  *      Edward Lam
00008  *      Side Effects
00009  *      477 Richmond Street West
00010  *      Toronto, Ontario
00011  *      Canada   M5V 3E7
00012  *      416-504-9876
00013  *
00014  * NAME:        RE_OGLExt.h (C++)
00015  *
00016  * COMMENTS:    Cross-platform wrapper for OpenGL extensions
00017  *
00018  */
00019 
00020 #ifndef __RE_OGLExt_h__
00021 #define __RE_OGLExt_h__
00022 
00023 #include "RE_API.h"
00024 #include "RE_OGL.h"
00025 #include "RE_Extension.h"
00026 
00027 class UT_SymbolTable;
00028 
00029 class re_ExtData;
00030 
00031 class RE_API RE_OGLExt
00032 {
00033 public:
00034     RE_OGLExt();
00035 
00036     // NB: You must have a valid OpenGL context set before calling initialize()
00037     //     initialize() must be called at least once before using anything else
00038     void        initialize();
00039 
00040 
00041     static bool hasExtension( RE_Extension ext );
00042 
00043 
00044     //
00045     // These function pointer names can (and should) be copied out of glext.h
00046     // into this file. Any GL_* defines that you then use need to be copied
00047     // into RE_OGL.h.
00048     //
00049 
00050     // **** RE_BLEND_COLOR
00051     RE_PFNGLBLENDCOLOREXTPROC               glBlendColor;
00052 
00053     // **** RE_BLEND_MINMAX
00054     RE_PFNGLBLENDEQUATIONEXTPROC            glBlendEquation;
00055 
00056     // **** RE_CONVOLUTION
00057     RE_PFNGLCONVOLUTIONFILTER1DEXTPROC      glConvolutionFilter1D;
00058 
00059     // **** RE_HISTOGRAM
00060     RE_PFNGLHISTOGRAMEXTPROC                glHistogram;
00061 
00062     // **** RE_TEXTURE_3D 
00063     RE_PFNGLTEXIMAGE3DPROC                  glTexImage3D;
00064     RE_PFNGLTEXSUBIMAGE3DPROC               glTexSubImage3D;
00065 
00066     // **** RE_POLYGON_OFFSET_OLD
00067     RE_PFNGLPOLYGONOFFSETEXTPROC            glPolygonOffsetEXT;
00068 
00069     // **** RE_POLYGON_OFFSET
00070     RE_PFNGLPOLYGONOFFSETEXTPROC            glPolygonOffset;
00071 
00072     // **** RE_MULTI_TEXTURE
00073     RE_PFNGLACTIVETEXTUREPROC               glActiveTexture;
00074     RE_PFNGLCLIENTACTIVETEXTUREPROC         glClientActiveTexture;
00075     // **** RE_FOG_COORD
00076     RE_PFNGLFOGCOORDFEXTPROC                glFogCoordf;
00077 
00078     // **** RE_SHADERS
00079     RE_PFNGLCREATEPROGRAMOBJECTARBPROC      glCreateProgramObject;
00080     RE_PFNGLCREATESHADEROBJECTARBPROC       glCreateShaderObject;
00081     RE_PFNGLDELETEOBJECTARBPROC             glDeleteObject;
00082     RE_PFNGLSHADERSOURCEARBPROC             glShaderSource;
00083     RE_PFNGLCOMPILESHADERARBPROC            glCompileShader;
00084     RE_PFNGLLINKPROGRAMARBPROC              glLinkProgram;
00085     RE_PFNGLDETACHOBJECTARBPROC             glDetachObject;
00086     RE_PFNGLATTACHOBJECTARBPROC             glAttachObject;
00087     RE_PFNGLUSEPROGRAMOBJECTARBPROC         glUseProgramObject;
00088     RE_PFNGLGETINFOLOGARBPROC               glGetInfoLog;
00089     RE_PFNGLGETHANDLEARBPROC                glGetHandle;
00090     RE_PFNGLVERTEXATTRIB4FVARBPROC          glVertexAttrib4fv;
00091     RE_PFNGLVERTEXATTRIB3FVARBPROC          glVertexAttrib3fv;
00092     RE_PFNGLVERTEXATTRIB2FVARBPROC          glVertexAttrib2fv;
00093     RE_PFNGLVERTEXATTRIB1FVARBPROC          glVertexAttrib1fv;
00094     RE_PFNGLVERTEXATTRIB4FARBPROC           glVertexAttrib4f;
00095     RE_PFNGLVERTEXATTRIB3FARBPROC           glVertexAttrib3f;
00096     RE_PFNGLVERTEXATTRIB2FARBPROC           glVertexAttrib2f;
00097     RE_PFNGLVERTEXATTRIB1FARBPROC           glVertexAttrib1f;
00098     RE_PFNGLUNIFORM1FVARBPROC               glUniform1fv;
00099     RE_PFNGLUNIFORM2FVARBPROC               glUniform2fv;
00100     RE_PFNGLUNIFORM3FVARBPROC               glUniform3fv;
00101     RE_PFNGLUNIFORM4FVARBPROC               glUniform4fv;
00102     RE_PFNGLUNIFORM1FARBPROC                glUniform1f;
00103     RE_PFNGLUNIFORM2FARBPROC                glUniform2f;
00104     RE_PFNGLUNIFORM3FARBPROC                glUniform3f;
00105     RE_PFNGLUNIFORM4FARBPROC                glUniform4f;
00106     RE_PFNGLUNIFORM1IVARBPROC               glUniform1iv;
00107     RE_PFNGLUNIFORM2IVARBPROC               glUniform2iv;
00108     RE_PFNGLUNIFORM3IVARBPROC               glUniform3iv;
00109     RE_PFNGLUNIFORM4IVARBPROC               glUniform4iv;
00110     RE_PFNGLGETUNIFORMLOCATIONARBPROC       glGetUniformLocation;
00111     RE_PFNGLUNIFORMMATRIX2FVARBPROC         glUniformMatrix2fv;
00112     RE_PFNGLUNIFORMMATRIX3FVARBPROC         glUniformMatrix3fv;
00113     RE_PFNGLUNIFORMMATRIX4FVARBPROC         glUniformMatrix4fv;
00114     RE_PFNGLGETOBJECTPARAMETERFVARBPROC     glGetObjectParameterfv;
00115     RE_PFNGLGETOBJECTPARAMETERIVARBPROC     glGetObjectParameteriv;
00116     RE_PFNGLGETACTIVEATTRIBARBPROC          glGetActiveAttrib;
00117     RE_PFNGLGETACTIVEUNIFORMARBPROC         glGetActiveUniform;
00118     RE_PFNGLGETATTRIBLOCATIONARBPROC        glGetAttribLocation;
00119     RE_PFNGLGETSHADERIVPROC                 glGetShaderiv;
00120     RE_PFNGLGETPROGRAMIVPROC                glGetProgramiv;
00121     
00122     RE_PFNGLGENFRAMEBUFFERSEXTPROC          glGenFramebuffers;
00123     RE_PFNGLDELETEFRAMEBUFFERSEXTPROC       glDeleteFramebuffers;
00124     RE_PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC   glCheckFramebufferStatus;
00125     RE_PFNGLFRAMEBUFFERTEXTURE2DEXTPROC     glFramebufferTexture2D;
00126     RE_PFNGLBINDFRAMEBUFFEREXTPROC          glBindFramebuffer;
00127     
00128     RE_PFNGLGENRENDERBUFFERSEXTPROC         glGenRenderbuffers;
00129     RE_PFNGLDELETERENDERBUFFERSEXTPROC      glDeleteRenderbuffers;
00130     RE_PFNGLISRENDERBUFFEREXTPROC           glIsRenderbuffer;
00131     RE_PFNGLBINDRENDERBUFFEREXTPROC         glBindRenderbuffer;
00132     RE_PFNGLRENDERBUFFERSTORAGEEXTPROC      glRenderbufferStorage; 
00133     RE_PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC  glFramebufferRenderbuffer;
00134 
00135     RE_PFNGLDRAWBUFFERSARBPROC              glDrawBuffers;
00136     
00137     // **** RE_COMPILED_VERTEX_ARRAY
00138     RE_PFNGLLOCKARRAYSEXTPROC               glLockArrays;       
00139     RE_PFNGLUNLOCKARRAYSEXTPROC             glUnlockArrays;     
00140 
00141     // **** RE_VERTEX_BUFFER_OBJECT
00142     // **** RE_PIXEL_BUFFER_OBJECT
00143     RE_PFNGLGENBUFFERSARBPROC               glGenBuffers;
00144     RE_PFNGLBINDBUFFERARBPROC               glBindBuffer;
00145     RE_PFNGLBUFFERDATAARBPROC               glBufferData;
00146     RE_PFNGLDELETEBUFFERSARBPROC            glDeleteBuffers;
00147     RE_PFNGLBUFFERSUBDATAARBPROC            glBufferSubData;
00148     RE_PFNGLMAPBUFFERARBPROC                glMapBuffer;
00149     RE_PFNGLUNMAPBUFFERARBPROC              glUnmapBuffer;
00150     
00151 #ifdef WIN32
00152     RE_PFNWGLSWAPINTERVALPROC               wglSwapIntervalEXT;
00153     RE_PFNWGLGETEXTENSIONSSTRINGPROC        wglGetExtensionsStringEXT;
00154 #elif !defined(MBSD_COCOA)
00155     RE_PFNGLXSWAPINTERVALSGIPROC            glXSwapIntervalSGI;
00156 #endif    
00157 
00158 private:
00159     static void          setupTheExtensions();
00160     static void          checkExtensions(re_ExtData *exts,
00161                                          const UT_SymbolTable &syms);
00162     static void          enableExtension( RE_Extension ext );
00163     static void          disableExtension( RE_Extension ext );
00164     static bool         *theExtensions;
00165 };
00166 
00167 RE_API extern void          REsetOGLExt( RE_OGLExt *new_ext );
00168 RE_API extern RE_OGLExt *   REgetOGLExt();
00169 
00170 #endif // __RE_OGLExt_h__