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 loadGenTextures()
{
try
{
glGenTexturesPtr = (glGenTexturesFunc)Marshal.GetDelegateForFunctionPointer(OpenGLInit.GetProcAddress("glGenTextures"), typeof(glGenTexturesFunc));
}
catch
{
Console.WriteLine("Failed to get function pointer for 'glGenTextures'.");
}
}