Example #1
0
        internal glContext(WGL.Context WGLContext)
        {
            _WGLContext = WGLContext;
            _WGLContext.MakeCurrent();

            _notSupportedPtr = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate((NotSupportedFunc)notSupported);

            glGetString   = WGL.GetProcAddress <glGetStringFunc>("glGetString");
            glGetIntegerv = WGL.GetProcAddress <glGetIntegervFunc>("glGetIntegerv");
            glGetBooleanv = WGL.GetProcAddress <glGetBooleanvFunc>("glGetBooleanv");
            glGetFloatv   = WGL.GetProcAddress <glGetFloatvFunc>("glGetFloatv");
            glGetDoublev  = WGL.GetProcAddress <glGetDoublevFunc>("glGetDoublev");

            if (glGetString == null || glGetIntegerv == null || glGetFloatv == null || glGetDoublev == null)
            {
                throw new Exception("OpenGL 1.0 is not supported");
            }
            int major, minor;

            glGetIntegerv(GL_MAJOR_VERSION, &major);
            glGetIntegerv(GL_MINOR_VERSION, &minor);
            _Version = new Version(major, minor);

            _glEnable  = WGL.GetProcAddress <glEnableFunc>("glEnable");
            _glDisable = WGL.GetProcAddress <glDisableFunc>("glDisable");


            _glBufferData    = WGL.GetProcAddress <glBufferDataFunc>("glBufferData");
            _glGenBuffers    = WGL.GetProcAddress <glGenBuffersFunc>("glGenBuffers");
            _glDeleteBuffers = WGL.GetProcAddress <glDeleteBuffersFunc>("glDeleteBuffers");
            _glBindBuffer    = WGL.GetProcAddress <glBindBufferFunc>("glBindBuffer");

            _glClearDepth = WGL.GetProcAddress <glClearDepthFunc>("glClearDepth");
            _glClearColor = WGL.GetProcAddress <glClearColorFunc>("glClearColor");
            _glClear      = WGL.GetProcAddress <glClearFunc>("glClear");
            _glDepthFunc  = WGL.GetProcAddress <glDepthFuncFunc>("glDepthFunc");

            _glCreateShader     = WGL.GetProcAddress <glCreateShaderFunc>("glCreateShader");
            _glDeleteShader     = WGL.GetProcAddress <glDeleteShaderFunc>("glDeleteShader");
            _glShaderSource     = WGL.GetProcAddress <glShaderSourceFunc>("glShaderSource");
            _glCompileShader    = WGL.GetProcAddress <glCompileShaderFunc>("glCompileShader");
            _glGetShaderiv      = WGL.GetProcAddress <glGetShaderivFunc>("glGetShaderiv");
            _glGetShaderInfoLog = WGL.GetProcAddress <glGetShaderInfoLogFunc>("glGetShaderInfoLog");

            _glCreateProgram      = WGL.GetProcAddress <glCreateProgramFunc>("glCreateProgram");
            _glDeleteProgram      = WGL.GetProcAddress <glDeleteProgramFunc>("glDeleteProgram");
            _glAttachShader       = WGL.GetProcAddress <glAttachShaderFunc>("glAttachShader");
            _glLinkProgram        = WGL.GetProcAddress <glLinkProgramFunc>("glLinkProgram");
            _glLinkProgram        = WGL.GetProcAddress <glLinkProgramFunc>("glLinkProgram");
            _glGetAttribLocation  = WGL.GetProcAddress <glGetAttribLocationFunc>("glGetAttribLocation");
            _glGetUniformLocation = WGL.GetProcAddress <glGetUniformLocationFunc>("glGetUniformLocation");
            _glBindAttribLocation = WGL.GetProcAddress <glBindAttribLocationFunc>("glBindAttribLocation");
            _glGetProgramInfoLog  = WGL.GetProcAddress <glGetProgramInfoLogFunc>("glGetProgramInfoLog");
            _glGetProgramiv       = WGL.GetProcAddress <glGetProgramivFunc>("glGetProgramiv");
            _glUseProgram         = WGL.GetProcAddress <glUseProgramFunc>("glUseProgram");
            _glUniform1f          = WGL.GetProcAddress <glUniform1fFunc>("glUniform1f");
            _glUniform2f          = WGL.GetProcAddress <glUniform2fFunc>("glUniform2f");
            _glUniform3f          = WGL.GetProcAddress <glUniform3fFunc>("glUniform3f");
            _glUniform4f          = WGL.GetProcAddress <glUniform4fFunc>("glUniform4f");
            _glUniform1i          = WGL.GetProcAddress <glUniform1iFunc>("glUniform1i");
            _glUniform2i          = WGL.GetProcAddress <glUniform2iFunc>("glUniform2i");
            _glUniform3i          = WGL.GetProcAddress <glUniform3iFunc>("glUniform3i");
            _glUniform4i          = WGL.GetProcAddress <glUniform4iFunc>("glUniform4i");
            _glUniformMatrix4fv   = WGL.GetProcAddress <glUniformMatrix4fvFunc>("glUniformMatrix4fv");

            _glGenTextures    = WGL.GetProcAddress <glGenTexturesFunc>("glGenTextures");
            _glDeleteTextures = WGL.GetProcAddress <glDeleteTexturesFunc>("glDeleteTextures");
            _glBindTexture    = WGL.GetProcAddress <glBindTextureFunc>("glBindTexture");
            _glTexImage2D     = WGL.GetProcAddress <glTexImage2DFunc>("glTexImage2D");
            _glActiveTexture  = WGL.GetProcAddress <glActiveTextureFunc>("glActiveTexture");
            _glTexParameteri  = WGL.GetProcAddress <glTexParameteriFunc>("glTexParameteri");

            _glDrawElements            = WGL.GetProcAddress <glDrawElementsFunc>("glDrawElements");
            _glEnableVertexAttribArray = WGL.GetProcAddress <glEnableVertexAttribArrayFunc>("glEnableVertexAttribArray");
            _glVertexAttribPointer     = WGL.GetProcAddress <glVertexAttribPointerFunc>("glVertexAttribPointer");

            _glDebugMessageCallback = WGL.GetProcAddress <glDebugMessageCallbackFunc>("glDebugMessageCallback");

            _glViewport   = WGL.GetProcAddress <glViewportFunc>("glViewport");
            _glDrawBuffer = WGL.GetProcAddress <glDrawBufferFunc>("glDrawBuffer");
            _glFlushFunc  = WGL.GetProcAddress <glFlushFunc>("glFlush");

            try
            {
                _glGenFramebuffers    = WGL.GetProcAddress <glGenFramebuffersFunc>("glGenFramebuffers");
                _glDeleteFramebuffers = WGL.GetProcAddress <glDeleteFramebuffersFunc>("glDeleteFramebuffers");
                _glBindFramebuffer    = WGL.GetProcAddress <glBindFramebufferFunc>("glBindFramebuffer");
                _glFramebufferTexture = WGL.GetProcAddress <glFramebufferTextureFunc>("glFramebufferTexture");
                _glDrawBuffers        = WGL.GetProcAddress <glDrawBuffersFunc>("glDrawBuffers");
            }
            catch
            {
                _glGenFramebuffers    = CastDelegate <glGenFramebuffersFunc>(_notSupportedPtr);
                _glDeleteFramebuffers = CastDelegate <glDeleteFramebuffersFunc>(_notSupportedPtr);
                _glBindFramebuffer    = CastDelegate <glBindFramebufferFunc>(_notSupportedPtr);
                _glFramebufferTexture = CastDelegate <glFramebufferTextureFunc>(_notSupportedPtr);
            }

            _glBlendFunc = WGL.GetProcAddress <glBlendFunc>("glBlendFunc");

            _ActiveTextureUnit = new TextureUnitTracker(this);
            _TextureUnitTrackers.Add(_ActiveTextureUnitIndex, _ActiveTextureUnit);
        }
 internal static void loadActiveTexture()
 {
     try
     {
         glActiveTexturePtr = (glActiveTextureFunc)Marshal.GetDelegateForFunctionPointer(OpenGLInit.GetProcAddress("glActiveTexture"), typeof(glActiveTextureFunc));
     }
     catch
     {
         Console.WriteLine("Failed to get function pointer for 'glActiveTexture'.");
     }
 }