public static void Initialize()
{
// glGetError and glGetString are used in our error handlers
// so we want these to be available early.
try
{
glGetError = Bind <GetError>("glGetError");
glGetStringInternal = Bind <GetString>("glGetString");
}
catch (Exception)
{
throw new InvalidProgramException("Failed to initialize low-level OpenGL bindings. GPU information is not available");
}
DetectGLFeatures();
if (!Features.HasFlag(GLFeatures.GL2OrGreater) || !Features.HasFlag(GLFeatures.FramebufferExt))
{
WriteGraphicsLog("Unsupported OpenGL version: " + glGetString(GL_VERSION));
throw new InvalidProgramException("OpenGL Version Error: See graphics.log for details.");
}
else
{
Console.WriteLine("OpenGL version: " + glGetString(GL_VERSION));
}
try
{
glFlush = Bind <Flush>("glFlush");
glViewport = Bind <Viewport>("glViewport");
glClear = Bind <Clear>("glClear");
glClearColor = Bind <ClearColor>("glClearColor");
glGetIntegerv = Bind <GetIntegerv>("glGetIntegerv");
glFinish = Bind <Finish>("glFinish");
glCreateProgram = Bind <CreateProgram>("glCreateProgram");
glUseProgram = Bind <UseProgram>("glUseProgram");
glGetProgramiv = Bind <GetProgramiv>("glGetProgramiv");
glCreateShader = Bind <CreateShader>("glCreateShader");
glShaderSource = Bind <ShaderSource>("glShaderSource");
glCompileShader = Bind <CompileShader>("glCompileShader");
glGetShaderiv = Bind <GetShaderiv>("glGetShaderiv");
glAttachShader = Bind <AttachShader>("glAttachShader");
glGetShaderInfoLog = Bind <GetShaderInfoLog>("glGetShaderInfoLog");
glLinkProgram = Bind <LinkProgram>("glLinkProgram");
glGetProgramInfoLog = Bind <GetProgramInfoLog>("glGetProgramInfoLog");
glGetUniformLocation = Bind <GetUniformLocation>("glGetUniformLocation");
glGetActiveUniform = Bind <GetActiveUniform>("glGetActiveUniform");
glUniform1i = Bind <Uniform1i>("glUniform1i");
glUniform1f = Bind <Uniform1f>("glUniform1f");
glUniform2f = Bind <Uniform2f>("glUniform2f");
glUniform1fv = Bind <Uniform1fv>("glUniform1fv");
glUniform2fv = Bind <Uniform2fv>("glUniform2fv");
glUniform3fv = Bind <Uniform3fv>("glUniform3fv");
glUniform4fv = Bind <Uniform4fv>("glUniform4fv");
glUniformMatrix4fv = Bind <UniformMatrix4fv>("glUniformMatrix4fv");
glGenBuffers = Bind <GenBuffers>("glGenBuffers");
glBindBuffer = Bind <BindBuffer>("glBindBuffer");
glBufferData = Bind <BufferData>("glBufferData");
glBufferSubData = Bind <BufferSubData>("glBufferSubData");
glDeleteBuffers = Bind <DeleteBuffers>("glDeleteBuffers");
glBindAttribLocation = Bind <BindAttribLocation>("glBindAttribLocation");
glVertexAttribPointer = Bind <VertexAttribPointer>("glVertexAttribPointer");
glEnableVertexAttribArray = Bind <EnableVertexAttribArray>("glEnableVertexAttribArray");
glDisableVertexAttribArray = Bind <DisableVertexAttribArray>("glDisableVertexAttribArray");
glDrawArrays = Bind <DrawArrays>("glDrawArrays");
glEnable = Bind <Enable>("glEnable");
glDisable = Bind <Disable>("glDisable");
glBlendEquation = Bind <BlendEquation>("glBlendEquation");
glBlendFunc = Bind <BlendFunc>("glBlendFunc");
glScissor = Bind <Scissor>("glScissor");
glPushClientAttrib = Bind <PushClientAttrib>("glPushClientAttrib");
glPopClientAttrib = Bind <PopClientAttrib>("glPopClientAttrib");
glPixelStoref = Bind <PixelStoref>("glPixelStoref");
glReadPixels = Bind <ReadPixels>("glReadPixels");
glGenTextures = Bind <GenTextures>("glGenTextures");
glDeleteTextures = Bind <DeleteTextures>("glDeleteTextures");
glBindTexture = Bind <BindTexture>("glBindTexture");
glActiveTexture = Bind <ActiveTexture>("glActiveTexture");
glTexImage2D = Bind <TexImage2D>("glTexImage2D");
glGetTexImage = Bind <GetTexImage>("glGetTexImage");
glTexParameteri = Bind <TexParameteri>("glTexParameteri");
glTexParameterf = Bind <TexParameterf>("glTexParameterf");
glGenFramebuffers = Bind <GenFramebuffers>("glGenFramebuffersEXT");
glBindFramebuffer = Bind <BindFramebuffer>("glBindFramebufferEXT");
glFramebufferTexture2D = Bind <FramebufferTexture2D>("glFramebufferTexture2DEXT");
glDeleteFramebuffers = Bind <DeleteFramebuffers>("glDeleteFramebuffersEXT");
glGenRenderbuffers = Bind <GenRenderbuffers>("glGenRenderbuffersEXT");
glBindRenderbuffer = Bind <BindRenderbuffer>("glBindRenderbufferEXT");
glRenderbufferStorage = Bind <RenderbufferStorage>("glRenderbufferStorageEXT");
glDeleteRenderbuffers = Bind <DeleteRenderbuffers>("glDeleteRenderbuffersEXT");
glFramebufferRenderbuffer = Bind <FramebufferRenderbuffer>("glFramebufferRenderbufferEXT");
glCheckFramebufferStatus = Bind <CheckFramebufferStatus>("glCheckFramebufferStatusEXT");
}
catch (Exception e)
{
WriteGraphicsLog("Failed to initialize OpenGL bindings.\nInner exception was: {0}".F(e));
throw new InvalidProgramException("Failed to initialize OpenGL. See graphics.log for details.");
}
}
public static void Initialize()
{
try
{
// First set up the bindings we need for error handling
glEnable = Bind <Enable>("glEnable");
glDisable = Bind <Disable>("glDisable");
glGetError = Bind <GetError>("glGetError");
glGetStringInternal = Bind <GetString>("glGetString");
glGetStringiInternal = Bind <GetStringi>("glGetStringi");
}
catch (Exception e)
{
throw new InvalidProgramException("Failed to initialize low-level OpenGL bindings. GPU information is not available.", e);
}
DetectGLFeatures();
if (!Features.HasFlag(GLFeatures.Core))
{
WriteGraphicsLog("Unsupported OpenGL version: " + glGetString(GL_VERSION));
throw new InvalidProgramException("OpenGL Version Error: See graphics.log for details.");
}
// Setup the debug message callback handler
if (Features.HasFlag(GLFeatures.DebugMessagesCallback))
{
try
{
glDebugMessageCallback = Bind <DebugMessageCallback>("glDebugMessageCallback");
glDebugMessageInsert = Bind <DebugMessageInsert>("glDebugMessageInsert");
glEnable(GL_DEBUG_OUTPUT);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
// Need to keep a reference to the callback so it doesn't get garbage collected
DebugMessageHandle = DebugMessageHandler;
glDebugMessageCallback(DebugMessageHandle, IntPtr.Zero);
}
catch (Exception e)
{
throw new InvalidProgramException("Failed to initialize an OpenGL debug message callback.", e);
}
}
Console.WriteLine("OpenGL version: " + glGetString(GL_VERSION));
try
{
glFlush = Bind <Flush>("glFlush");
glViewport = Bind <Viewport>("glViewport");
glClear = Bind <Clear>("glClear");
glClearColor = Bind <ClearColor>("glClearColor");
glGetIntegerv = Bind <GetIntegerv>("glGetIntegerv");
glFinish = Bind <Finish>("glFinish");
glCreateProgram = Bind <CreateProgram>("glCreateProgram");
glUseProgram = Bind <UseProgram>("glUseProgram");
glGetProgramiv = Bind <GetProgramiv>("glGetProgramiv");
glCreateShader = Bind <CreateShader>("glCreateShader");
glShaderSource = Bind <ShaderSource>("glShaderSource");
glCompileShader = Bind <CompileShader>("glCompileShader");
glGetShaderiv = Bind <GetShaderiv>("glGetShaderiv");
glAttachShader = Bind <AttachShader>("glAttachShader");
glGetShaderInfoLog = Bind <GetShaderInfoLog>("glGetShaderInfoLog");
glLinkProgram = Bind <LinkProgram>("glLinkProgram");
glGetProgramInfoLog = Bind <GetProgramInfoLog>("glGetProgramInfoLog");
glGetUniformLocation = Bind <GetUniformLocation>("glGetUniformLocation");
glGetActiveUniform = Bind <GetActiveUniform>("glGetActiveUniform");
glUniform1i = Bind <Uniform1i>("glUniform1i");
glUniform1f = Bind <Uniform1f>("glUniform1f");
glUniform2f = Bind <Uniform2f>("glUniform2f");
glUniform3f = Bind <Uniform3f>("glUniform3f");
glUniform1fv = Bind <Uniform1fv>("glUniform1fv");
glUniform2fv = Bind <Uniform2fv>("glUniform2fv");
glUniform3fv = Bind <Uniform3fv>("glUniform3fv");
glUniform4fv = Bind <Uniform4fv>("glUniform4fv");
glUniformMatrix4fv = Bind <UniformMatrix4fv>("glUniformMatrix4fv");
glGenBuffers = Bind <GenBuffers>("glGenBuffers");
glBindBuffer = Bind <BindBuffer>("glBindBuffer");
glBufferData = Bind <BufferData>("glBufferData");
glBufferSubData = Bind <BufferSubData>("glBufferSubData");
glDeleteBuffers = Bind <DeleteBuffers>("glDeleteBuffers");
glGenVertexArrays = Bind <GenVertexArrays>("glGenVertexArrays");
glBindVertexArray = Bind <BindVertexArray>("glBindVertexArray");
glBindAttribLocation = Bind <BindAttribLocation>("glBindAttribLocation");
glBindFragDataLocation = Bind <BindFragDataLocation>("glBindFragDataLocation");
glVertexAttribPointer = Bind <VertexAttribPointer>("glVertexAttribPointer");
glEnableVertexAttribArray = Bind <EnableVertexAttribArray>("glEnableVertexAttribArray");
glDisableVertexAttribArray = Bind <DisableVertexAttribArray>("glDisableVertexAttribArray");
glDrawArrays = Bind <DrawArrays>("glDrawArrays");
glBlendEquation = Bind <BlendEquation>("glBlendEquation");
glBlendEquationSeparate = Bind <BlendEquationSeparate>("glBlendEquationSeparate");
glBlendFunc = Bind <BlendFunc>("glBlendFunc");
glDepthFunc = Bind <DepthFunc>("glDepthFunc");
glScissor = Bind <Scissor>("glScissor");
glReadPixels = Bind <ReadPixels>("glReadPixels");
glGenTextures = Bind <GenTextures>("glGenTextures");
glDeleteTextures = Bind <DeleteTextures>("glDeleteTextures");
glIsTexture = Bind <IsTexture>("glIsTexture");
glBindTexture = Bind <BindTexture>("glBindTexture");
glActiveTexture = Bind <ActiveTexture>("glActiveTexture");
glTexImage2D = Bind <TexImage2D>("glTexImage2D");
glGetTexImage = Bind <GetTexImage>("glGetTexImage");
glTexParameteri = Bind <TexParameteri>("glTexParameteri");
glTexParameterf = Bind <TexParameterf>("glTexParameterf");
glGenFramebuffers = Bind <GenFramebuffers>("glGenFramebuffers");
glBindFramebuffer = Bind <BindFramebuffer>("glBindFramebuffer");
glFramebufferTexture2D = Bind <FramebufferTexture2D>("glFramebufferTexture2D");
glDeleteFramebuffers = Bind <DeleteFramebuffers>("glDeleteFramebuffers");
glGenRenderbuffers = Bind <GenRenderbuffers>("glGenRenderbuffers");
glBindRenderbuffer = Bind <BindRenderbuffer>("glBindRenderbuffer");
glRenderbufferStorage = Bind <RenderbufferStorage>("glRenderbufferStorage");
glDeleteRenderbuffers = Bind <DeleteRenderbuffers>("glDeleteRenderbuffers");
glFramebufferRenderbuffer = Bind <FramebufferRenderbuffer>("glFramebufferRenderbuffer");
glCheckFramebufferStatus = Bind <CheckFramebufferStatus>("glCheckFramebufferStatus");
}
catch (Exception e)
{
WriteGraphicsLog("Failed to initialize OpenGL bindings.\nInner exception was: {0}".F(e));
throw new InvalidProgramException("Failed to initialize OpenGL. See graphics.log for details.", e);
}
}
public static void Initialize(bool preferLegacyProfile)
{
try
{
// First set up the bindings we need for error handling
glEnable = Bind <Enable>("glEnable");
glDisable = Bind <Disable>("glDisable");
glGetError = Bind <GetError>("glGetError");
glGetStringInternal = Bind <GetString>("glGetString");
glGetStringiInternal = Bind <GetStringi>("glGetStringi");
glGetIntegerv = Bind <GetIntegerv>("glGetIntegerv");
}
catch (Exception e)
{
throw new InvalidProgramException("Failed to initialize low-level OpenGL bindings. GPU information is not available.", e);
}
if (!DetectGLFeatures(preferLegacyProfile))
{
WriteGraphicsLog("Unsupported OpenGL version: " + glGetString(GL_VERSION));
throw new InvalidProgramException("OpenGL Version Error: See graphics.log for details.");
}
// Allow users to force-disable the debug message callback feature to work around driver bugs
if (Features.HasFlag(GLFeatures.DebugMessagesCallback) && Game.Settings.Graphics.DisableGLDebugMessageCallback)
{
Features ^= GLFeatures.DebugMessagesCallback;
}
// Force disable the debug message callback feature on Linux + AMD GPU to work around a startup freeze
if (Features.HasFlag(GLFeatures.DebugMessagesCallback) && Platform.CurrentPlatform == PlatformType.Linux)
{
var renderer = glGetString(GL_RENDERER);
if (renderer.Contains("AMD") || renderer.Contains("Radeon"))
{
Features ^= GLFeatures.DebugMessagesCallback;
}
}
// Older Intel on Windows is broken too
if (Features.HasFlag(GLFeatures.DebugMessagesCallback) && Platform.CurrentPlatform == PlatformType.Windows)
{
var renderer = glGetString(GL_RENDERER);
if (renderer.Contains("HD Graphics") && !renderer.Contains("UHD Graphics"))
{
Features ^= GLFeatures.DebugMessagesCallback;
}
}
// Setup the debug message callback handler
if (Features.HasFlag(GLFeatures.DebugMessagesCallback))
{
try
{
var suffix = Profile == GLProfile.Embedded ? "KHR" : "";
glDebugMessageCallback = Bind <DebugMessageCallback>("glDebugMessageCallback" + suffix);
glDebugMessageInsert = Bind <DebugMessageInsert>("glDebugMessageInsert" + suffix);
glEnable(GL_DEBUG_OUTPUT);
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS);
// Need to keep a reference to the callback so it doesn't get garbage collected
DebugMessageHandle = DebugMessageHandler;
glDebugMessageCallback(DebugMessageHandle, IntPtr.Zero);
}
catch (Exception e)
{
throw new InvalidProgramException("Failed to initialize an OpenGL debug message callback.", e);
}
}
Console.WriteLine("OpenGL renderer: " + glGetString(GL_RENDERER));
Console.WriteLine("OpenGL version: " + glGetString(GL_VERSION));
try
{
glFlush = Bind <Flush>("glFlush");
glViewport = Bind <Viewport>("glViewport");
glClear = Bind <Clear>("glClear");
glClearColor = Bind <ClearColor>("glClearColor");
glFinish = Bind <Finish>("glFinish");
glCreateProgram = Bind <CreateProgram>("glCreateProgram");
glUseProgram = Bind <UseProgram>("glUseProgram");
glGetProgramiv = Bind <GetProgramiv>("glGetProgramiv");
glCreateShader = Bind <CreateShader>("glCreateShader");
glShaderSource = Bind <ShaderSource>("glShaderSource");
glCompileShader = Bind <CompileShader>("glCompileShader");
glGetShaderiv = Bind <GetShaderiv>("glGetShaderiv");
glAttachShader = Bind <AttachShader>("glAttachShader");
glGetShaderInfoLog = Bind <GetShaderInfoLog>("glGetShaderInfoLog");
glLinkProgram = Bind <LinkProgram>("glLinkProgram");
glGetProgramInfoLog = Bind <GetProgramInfoLog>("glGetProgramInfoLog");
glGetUniformLocation = Bind <GetUniformLocation>("glGetUniformLocation");
glGetActiveUniform = Bind <GetActiveUniform>("glGetActiveUniform");
glUniform1i = Bind <Uniform1i>("glUniform1i");
glUniform1f = Bind <Uniform1f>("glUniform1f");
glUniform2f = Bind <Uniform2f>("glUniform2f");
glUniform3f = Bind <Uniform3f>("glUniform3f");
glUniform1fv = Bind <Uniform1fv>("glUniform1fv");
glUniform2fv = Bind <Uniform2fv>("glUniform2fv");
glUniform3fv = Bind <Uniform3fv>("glUniform3fv");
glUniform4fv = Bind <Uniform4fv>("glUniform4fv");
glUniformMatrix4fv = Bind <UniformMatrix4fv>("glUniformMatrix4fv");
glGenBuffers = Bind <GenBuffers>("glGenBuffers");
glBindBuffer = Bind <BindBuffer>("glBindBuffer");
glBufferData = Bind <BufferData>("glBufferData");
glBufferSubData = Bind <BufferSubData>("glBufferSubData");
glDeleteBuffers = Bind <DeleteBuffers>("glDeleteBuffers");
glBindAttribLocation = Bind <BindAttribLocation>("glBindAttribLocation");
glVertexAttribPointer = Bind <VertexAttribPointer>("glVertexAttribPointer");
glEnableVertexAttribArray = Bind <EnableVertexAttribArray>("glEnableVertexAttribArray");
glDisableVertexAttribArray = Bind <DisableVertexAttribArray>("glDisableVertexAttribArray");
glDrawArrays = Bind <DrawArrays>("glDrawArrays");
glBlendEquation = Bind <BlendEquation>("glBlendEquation");
glBlendEquationSeparate = Bind <BlendEquationSeparate>("glBlendEquationSeparate");
glBlendFunc = Bind <BlendFunc>("glBlendFunc");
glDepthFunc = Bind <DepthFunc>("glDepthFunc");
glScissor = Bind <Scissor>("glScissor");
glReadPixels = Bind <ReadPixels>("glReadPixels");
glGenTextures = Bind <GenTextures>("glGenTextures");
glDeleteTextures = Bind <DeleteTextures>("glDeleteTextures");
glIsTexture = Bind <IsTexture>("glIsTexture");
glBindTexture = Bind <BindTexture>("glBindTexture");
glActiveTexture = Bind <ActiveTexture>("glActiveTexture");
glTexImage2D = Bind <TexImage2D>("glTexImage2D");
glTexParameteri = Bind <TexParameteri>("glTexParameteri");
glTexParameterf = Bind <TexParameterf>("glTexParameterf");
if (Profile != GLProfile.Legacy)
{
if (Profile != GLProfile.Embedded)
{
glGetTexImage = Bind <GetTexImage>("glGetTexImage");
glBindFragDataLocation = Bind <BindFragDataLocation>("glBindFragDataLocation");
}
else
{
glGetTexImage = null;
glBindFragDataLocation = null;
}
glGenVertexArrays = Bind <GenVertexArrays>("glGenVertexArrays");
glBindVertexArray = Bind <BindVertexArray>("glBindVertexArray");
glGenFramebuffers = Bind <GenFramebuffers>("glGenFramebuffers");
glBindFramebuffer = Bind <BindFramebuffer>("glBindFramebuffer");
glFramebufferTexture2D = Bind <FramebufferTexture2D>("glFramebufferTexture2D");
glDeleteFramebuffers = Bind <DeleteFramebuffers>("glDeleteFramebuffers");
glGenRenderbuffers = Bind <GenRenderbuffers>("glGenRenderbuffers");
glBindRenderbuffer = Bind <BindRenderbuffer>("glBindRenderbuffer");
glRenderbufferStorage = Bind <RenderbufferStorage>("glRenderbufferStorage");
glDeleteRenderbuffers = Bind <DeleteRenderbuffers>("glDeleteRenderbuffers");
glFramebufferRenderbuffer = Bind <FramebufferRenderbuffer>("glFramebufferRenderbuffer");
glCheckFramebufferStatus = Bind <CheckFramebufferStatus>("glCheckFramebufferStatus");
}
else
{
glGenVertexArrays = null;
glBindVertexArray = null;
glBindFragDataLocation = null;
glGenFramebuffers = Bind <GenFramebuffers>("glGenFramebuffersEXT");
glBindFramebuffer = Bind <BindFramebuffer>("glBindFramebufferEXT");
glFramebufferTexture2D = Bind <FramebufferTexture2D>("glFramebufferTexture2DEXT");
glDeleteFramebuffers = Bind <DeleteFramebuffers>("glDeleteFramebuffersEXT");
glGenRenderbuffers = Bind <GenRenderbuffers>("glGenRenderbuffersEXT");
glBindRenderbuffer = Bind <BindRenderbuffer>("glBindRenderbufferEXT");
glRenderbufferStorage = Bind <RenderbufferStorage>("glRenderbufferStorageEXT");
glDeleteRenderbuffers = Bind <DeleteRenderbuffers>("glDeleteRenderbuffersEXT");
glFramebufferRenderbuffer = Bind <FramebufferRenderbuffer>("glFramebufferRenderbufferEXT");
glCheckFramebufferStatus = Bind <CheckFramebufferStatus>("glCheckFramebufferStatusEXT");
}
}
catch (Exception e)
{
WriteGraphicsLog("Failed to initialize OpenGL bindings.\nInner exception was: {0}".F(e));
throw new InvalidProgramException("Failed to initialize OpenGL. See graphics.log for details.", e);
}
}
public static void InitFramebuffers(OpenGLContext ctx)
{
glIsRenderbuffer = ctx.GetProc<IsRenderbuffer>("glIsRenderbuffer");
glBindRenderbuffer = ctx.GetProc<BindRenderbuffer>("glBindRenderbuffer");
glDeleteRenderbuffers = ctx.GetProc<DeleteRenderbuffers>("glDeleteRenderbuffers");
glGenRenderbuffers = ctx.GetProc<GenRenderbuffers>("glGenRenderbuffers");
glRenderbufferStorage = ctx.GetProc<RenderbufferStorage>("glRenderbufferStorage");
glGetRenderbufferParameteriv = ctx.GetProc<GetRenderbufferParameteriv>("glGetRenderbufferParameteriv");
glIsFramebuffer = ctx.GetProc<IsFramebuffer>("glIsFramebuffer");
glBindFramebuffer = ctx.GetProc<BindFramebuffer>("glBindFramebuffer");
glDeleteFramebuffers = ctx.GetProc<DeleteFramebuffers>("glDeleteFramebuffers");
glGenFramebuffers = ctx.GetProc<GenFramebuffers>("glGenFramebuffers");
glCheckFramebufferStatus = ctx.GetProc<CheckFramebufferStatus>("glCheckFramebufferStatus");
glFramebufferTexture1D = ctx.GetProc<FramebufferTexture1D>("glFramebufferTexture1D");
glFramebufferTexture2D = ctx.GetProc<FramebufferTexture2D>("glFramebufferTexture2D");
glFramebufferTexture3D = ctx.GetProc<FramebufferTexture3D>("glFramebufferTexture3D");
glFramebufferRenderbuffer = ctx.GetProc<FramebufferRenderbuffer>("glFramebufferRenderbuffer");
glGetFramebufferAttachmentParameteriv = ctx.GetProc<GetFramebufferAttachmentParameteriv>("glGetFramebufferAttachmentParameteriv");
glGenerateMipmap = ctx.GetProc<GenerateMipmap>("glGenerateMipmap");
glBlitFramebuffer = ctx.GetProc<BlitFramebuffer>("glBlitFramebuffer");
glRenderbufferStorageMultisample = ctx.GetProc<RenderbufferStorageMultisample>("glRenderbufferStorageMultisample");
glFramebufferTextureLayer = ctx.GetProc<FramebufferTextureLayer>("glFramebufferTextureLayer");
}
