Start of OpenGL bindings

.gitmodules

@@ -4,3 +4,9 @@
 [submodule "eng/submodules/glfw"]
 	path = eng/submodules/glfw
 	url = https://github.com/glfw/glfw
+[submodule "eng/submodules/opengl"]
+	path = eng/submodules/opengl
+	url = https://github.com/KhronosGroup/OpenGL-Registry.git
+[submodule "eng/submodules/egl"]
+	path = eng/submodules/egl
+	url = https://github.com/KhronosGroup/EGL-Registry/

eng/include/silkglhgen.py

@@ -0,0 +1,105 @@
+#!/usr/bin/env python3
+# -*- encoding utf-8 -*-
+# Licensed to the .NET Foundation under one or more agreements.
+# The .NET Foundation licenses this file to you under the MIT license.
+
+from genheaders import *
+
+buildList.clear()
+buildList.append(
+    CGeneratorOptions(
+        filename="../../../include/glcompat/gl.h",  # output file name
+        apiname="gl",  # profile name
+        profile="compatibility",  # core/compatibility/common
+        versions=allVersions,  # include all versions in output
+        emitversions=allVersions,  # emit all of the included versions
+        defaultExtensions="gl",  # include all gl extensions
+        addExtensions=None,  # also include these extensions (none)
+        removeExtensions=None,  # but don't include these extensions (none)
+        prefixText=prefixStrings + glExtPlatformStrings,  # prefix the header with this text
+        genFuncPointers=False,  # generate function pointer typedefs?
+        protectFile=protectFile,  # protect against multiple includes?
+        protectFeature=protectFeature,  # protect against multiple feature definitions?
+        protectProto=False,  # protect against multiple typedef definitiosn?
+        protectProtoStr="GL_GLEXT_PROTOTYPES",  # if we're protecting against multiple typedefs, what define should we use?
+        apicall="GLAPI ",  # calling convention macro prefix
+        apientry="APIENTRY ",  # function typedef prefix
+        apientryp="APIENTRYP ",  # function pointer typedef prefix
+    )
+)
+buildList.append(
+    CGeneratorOptions(
+        filename="../../../include/glcore/gl.h",  # output file name
+        apiname="gl",  # profile name
+        profile="core",  # core/compatibility/common
+        versions=allVersions,  # include all versions in output
+        emitversions=allVersions,  # emit all of the included versions
+        defaultExtensions="glcore",  # include all gl extensions
+        addExtensions=None,  # also include these extensions (none)
+        removeExtensions=None,  # but don't include these extensions (none)
+        prefixText=prefixStrings + glExtPlatformStrings,  # prefix the header with this text
+        genFuncPointers=False,  # generate function pointer typedefs?
+        protectFile=protectFile,  # protect against multiple includes?
+        protectFeature=protectFeature,  # protect against multiple feature definitions?
+        protectProto=False,  # protect against multiple typedef definitiosn?
+        protectProtoStr="GL_GLEXT_PROTOTYPES",  # if we're protecting against multiple typedefs, what define should we use?
+        apicall="GLAPI ",  # calling convention macro prefix
+        apientry="APIENTRY ",  # function typedef prefix
+        apientryp="APIENTRYP ",  # function pointer typedef prefix
+    )
+)
+buildList.append(
+    CGeneratorOptions(
+        filename="../../../include/gles1/gl.h",  # output file name
+        apiname="gles1",  # profile name
+        profile="common",  # core/compatibility/common
+        versions=allVersions,  # include all versions in output
+        emitversions=allVersions,  # emit all of the included versions
+        defaultExtensions="gles1",  # include all gl extensions
+        addExtensions=None,  # also include these extensions (none)
+        removeExtensions=None,  # but don't include these extensions (none)
+        prefixText=prefixStrings
+        + gles1PlatformStrings
+        + apiEntryPrefixStrings,  # prefix the header with this text
+        genFuncPointers=False,  # generate function pointer typedefs?
+        protectFile=protectFile,  # protect against multiple includes?
+        protectFeature=protectFeature,  # protect against multiple feature definitions?
+        protectProto=False,  # protect against multiple typedef definitiosn?
+        protectProtoStr="GL_GLEXT_PROTOTYPES",  # if we're protecting against multiple typedefs, what define should we use?
+        apicall="GL_API ",
+        apientry="GL_APIENTRY ",
+        apientryp="GL_APIENTRYP ",
+    )
+)
+buildList.append(
+    CGeneratorOptions(
+        filename="../../../include/gles2/gl.h",  # output file name
+        apiname="gles2",  # profile name
+        profile="common",  # core/compatibility/common
+        versions=gles2onlyPat,  # include all versions in output
+        emitversions=allVersions,  # emit all of the included versions
+        defaultExtensions="gles2",  # include all gl extensions
+        addExtensions=None,  # also include these extensions (none)
+        removeExtensions=None,  # but don't include these extensions (none)
+        prefixText=prefixStrings
+        + gles2PlatformStrings
+        + apiEntryPrefixStrings,  # prefix the header with this text
+        genFuncPointers=False,  # generate function pointer typedefs?
+        protectFile=protectFile,  # protect against multiple includes?
+        protectFeature=protectFeature,  # protect against multiple feature definitions?
+        protectProto=False,  # protect against multiple typedef definitiosn?
+        protectProtoStr="GL_GLEXT_PROTOTYPES",  # if we're protecting against multiple typedefs, what define should we use?
+        apicall="GL_APICALL ",
+        apientry="GL_APIENTRY ",
+        apientryp="GL_APIENTRYP ",
+    )
+)
+for genOpts in buildList:
+    diag = open("gen.log", "w")
+    gen = COutputGenerator(errFile=sys.stderr, warnFile=sys.stderr, diagFile=diag)
+    reg = Registry()
+    tree = etree.parse(regFilename)
+    reg.loadElementTree(tree)
+    reg.setGenerator(gen)
+    reg.apiGen(genOpts)
+    diag.close()

eng/silktouch/opengl/glcompat/generate.rsp

@@ -0,0 +1,17 @@
+@../settings.rsp
+@../remap.rsp
+--exclude
+__gl_gl_h_
+WIN32_LEAN_AND_MEAN
+--file
+opengl-gl.h
+--methodClassName
+GL
+--namespace
+Silk.NET.OpenGL
+--output
+../../../../sources/OpenGL/glcompat/gl
+--test-output
+../../../../tests/OpenGL/glcompat/gl
+--traverse
+../../../include/glcompat/gl.h

eng/silktouch/opengl/glcompat/header.txt

@@ -0,0 +1,5 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// Ported from the OpenGL headers and corresponding dependencies.
+// Original source is Copyright 2013-2020 The Khronos Group Inc. Licensed under the MIT license.

eng/silktouch/opengl/glcompat/opengl-gl.h

@@ -0,0 +1 @@
+#include <glcompat/gl.h>

eng/silktouch/opengl/glcore/generate.rsp

@@ -0,0 +1,17 @@
+@../settings.rsp
+@../remap.rsp
+--exclude
+__gl_gl_h_
+WIN32_LEAN_AND_MEAN
+--file
+opengl-gl.h
+--methodClassName
+GL
+--namespace
+Silk.NET.OpenGL
+--output
+../../../../sources/OpenGL/glcore/gl
+--test-output
+../../../../tests/OpenGL/glcore/gl
+--traverse
+../../../include/glcore/gl.h

eng/silktouch/opengl/glcore/header.txt

@@ -0,0 +1,5 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// Ported from the OpenGL Core Profile headers and corresponding dependencies.
+// Original source is Copyright 2013-2020 The Khronos Group Inc. Licensed under the MIT license.

eng/silktouch/opengl/glcore/opengl-gl.h

@@ -0,0 +1 @@
+#include <glcore/gl.h>

eng/silktouch/opengl/gles1/generate.rsp

@@ -0,0 +1,17 @@
+@../settings.rsp
+@../remap.rsp
+--exclude
+__gles1_gl_h_
+WIN32_LEAN_AND_MEAN
+--file
+opengl-gl.h
+--methodClassName
+GL
+--namespace
+Silk.NET.OpenGL
+--output
+../../../../sources/OpenGL/gles1/gl
+--test-output
+../../../../tests/OpenGL/gles1/gl
+--traverse
+../../../include/gles1/gl.h

eng/silktouch/opengl/gles1/header.txt

@@ -0,0 +1,5 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// Ported from the OpenGLES 1.0 headers and corresponding dependencies.
+// Original source is Copyright 2013-2020 The Khronos Group Inc. Licensed under the MIT license.

eng/silktouch/opengl/gles1/opengl-gl.h

@@ -0,0 +1 @@
+#include <gles1/gl.h>

eng/silktouch/opengl/gles2/generate.rsp

@@ -0,0 +1,17 @@
+@../settings.rsp
+@../remap.rsp
+--exclude
+__gles2_gl_h_
+WIN32_LEAN_AND_MEAN
+--file
+opengl-gl.h
+--methodClassName
+GL
+--namespace
+Silk.NET.OpenGL
+--output
+../../../../sources/OpenGL/gles2/gl
+--test-output
+../../../../tests/OpenGL/gles2/gl
+--traverse
+../../../include/gles2/gl.h

eng/silktouch/opengl/gles2/header.txt

@@ -0,0 +1,5 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+
+// Ported from the OpenGLES 2.0+ headers and corresponding dependencies.
+// Original source is Copyright 2013-2020 The Khronos Group Inc. Licensed under the MIT license.

eng/silktouch/opengl/gles2/opengl-gl.h

@@ -0,0 +1 @@
+#include <gles2/gl.h>

eng/silktouch/opengl/remap.rsp

@@ -0,0 +1,2 @@
+--remap
+TODO_ADD_REMAPPINGS=HERE

eng/silktouch/opengl/settings.rsp

@@ -0,0 +1,13 @@
+@../../common.rsp
+--define-macro
+TODO_DEFINE_MACROS=HERE
+--headerFile
+header.txt
+--include-directory
+../../../submodules/opengl/api
+../../../submodules/egl/api
+../../../include
+--with-callconv
+*=Winapi
+--with-librarypath
+*=opengl

sources/GLFW/Glfw.gen.cs

@@ -10,9 +10,14 @@ namespace Silk.NET.GLFW;
 
 partial class Glfw(INativeContext nativeContext) : IDisposable
 {
+    public partial class DllImport
+    {
+        static DllImport() => LoaderInterface.RegisterHook(Assembly.GetExecutingAssembly)
+    }
+
     public partial class ThisThread : IGlfw.Static<ThisThread>
     {
-        public static System.Threading.ThreadLocal<IGlfw> Underlying { get; } =
+        public static ThreadLocal<IGlfw> Underlying { get; } =
             new(static () => new StaticWrapper<DllImport>());
 
         public static void MakeCurrent(IGlfw ctx) => Underlying.Value = ctx;

sources/OpenGL/GL.gen.cs

@@ -0,0 +1,27 @@
+using System.Runtime.CompilerServices;
+using Silk.NET.Core.Loader;
+
+namespace Silk.NET.OpenGL;
+
+partial class GL(INativeContext nativeContext) : IDisposable
+{
+    public partial class DllImport
+    {
+        static DllImport() => LoaderInterface.RegisterHook(Assembly.GetExecutingAssembly)
+    }
+
+    public partial class ThisThread : IGL.Static<ThisThread>
+    {
+        public static ThreadLocal<IGL> Underlying { get; } =
+            new(static () => new StaticWrapper<DllImport>());
+
+        public static void MakeCurrent(IGL ctx) => Underlying.Value = ctx;
+    }
+
+    public static IGL Create() => new StaticWrapper<DllImport>();
+
+    public static IGL Create(INativeContext ctx) => new GL(ctx);
+
+    /// <inheritdoc/>
+    public void Dispose() => nativeContext.Dispose();
+}