1 files changed, 375 insertions, 0 deletions
diff --git a/src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.h b/src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.h
new file mode 100644
index 00000000..6606afb1
--- /dev/null
+++ b/src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.h
@@ -0,0 +1,375 @@
+/* $Id: DevVGA-SVGA3d-glLdr.h $ */
+/** @file
+ * DevVGA - VMWare SVGA device - 3D part, dynamic loading of GL function.
+ */
+
+/*
+ * Copyright (C) 2018-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ */
+
+#ifndef VBOX_INCLUDED_SRC_Graphics_DevVGA_SVGA3d_glLdr_h
+#define VBOX_INCLUDED_SRC_Graphics_DevVGA_SVGA3d_glLdr_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#ifndef VMSVGA3D_OPENGL
+# error "This include file is for VMSVGA3D_OPENGL."
+#endif
+
+#include <VBox/types.h>
+
+/** @todo VBOX_VMSVGA3D_GL_HACK_LEVEL is not necessary when dynamic loading is used. */
+
+#ifdef RT_OS_WINDOWS
+# include <iprt/win/windows.h>
+# include <GL/gl.h>
+# include "vmsvga_glext/wglext.h"
+
+#elif defined(RT_OS_DARWIN)
+# include <OpenGL/OpenGL.h>
+# include <OpenGL/gl3.h>
+# include <OpenGL/gl3ext.h>
+# define GL_DO_NOT_WARN_IF_MULTI_GL_VERSION_HEADERS_INCLUDED
+# include <OpenGL/gl.h>
+# include <OpenGL/glext.h>
+# include "DevVGA-SVGA3d-cocoa.h"
+// HACK
+typedef void (APIENTRYP PFNGLFOGCOORDPOINTERPROC) (GLenum type, GLsizei stride, const GLvoid *pointer);
+typedef void (APIENTRYP PFNGLCLIENTACTIVETEXTUREPROC) (GLenum texture);
+typedef void (APIENTRYP PFNGLGETPROGRAMIVARBPROC) (GLenum target, GLenum pname, GLint *params);
+# define GL_RGBA_S3TC 0x83A2
+# define GL_ALPHA8_EXT 0x803c
+# define GL_LUMINANCE8_EXT 0x8040
+# define GL_LUMINANCE16_EXT 0x8042
+# define GL_LUMINANCE4_ALPHA4_EXT 0x8043
+# define GL_LUMINANCE8_ALPHA8_EXT 0x8045
+# define GL_INT_2_10_10_10_REV 0x8D9F
+
+#else
+# include <X11/Xlib.h>
+# include <X11/Xatom.h>
+# include <GL/gl.h>
+# include <GL/glx.h>
+# include <GL/glext.h>
+# define VBOX_VMSVGA3D_GL_HACK_LEVEL 0x103
+#endif
+
+#ifndef __glext_h__
+# undef GL_GLEXT_VERSION    /** @todo r=bird: We include GL/glext.h above which also defines this and we'll end up with
+                             * a clash if the system one does not use the same header guard as ours.  So, I'm wondering
+                             * whether this include is really needed, and if it is, whether we should use a unique header
+                             * guard macro on it, so we'll have the same problems everywhere... */
+#endif
+#include "vmsvga_glext/glext.h"
+
+
+#ifdef RT_OS_WINDOWS
+# define GLAPIENTRY APIENTRY
+#else
+# define GLAPIENTRY
+#endif
+
+#define GLAPIENTRYP GLAPIENTRY *
+
+#ifdef VMSVGA3D_GL_DEFINE_PFN
+# define GLPFN
+#else
+# define GLPFN extern
+#endif
+
+/** Load OpenGL library and initialize function pointers. */
+int glLdrInit(PPDMDEVINS pDevIns);
+/** Resolve an OpenGL function name. */
+PFNRT glLdrGetProcAddress(const char *pszSymbol);
+/** Get pointers to extension function. They are available on Windows only when OpenGL context is set. */
+int glLdrGetExtFunctions(PPDMDEVINS pDevIns);
+
+/*
+ * All OpenGL function used by VMSVGA backend.
+ */
+
+/*
+ * GL 1.1 functions (exported from OpenGL32 on Windows).
+ */
+GLPFN void (GLAPIENTRYP pfn_glAlphaFunc)(GLenum func, GLclampf ref);
+#define glAlphaFunc pfn_glAlphaFunc
+
+GLPFN void (GLAPIENTRYP pfn_glBindTexture)(GLenum target, GLuint texture);
+#define glBindTexture pfn_glBindTexture
+
+GLPFN void (GLAPIENTRYP pfn_glBlendFunc)(GLenum sfactor, GLenum dfactor);
+#define glBlendFunc pfn_glBlendFunc
+
+GLPFN void (GLAPIENTRYP pfn_glClear)(GLbitfield mask);
+#define glClear pfn_glClear
+
+GLPFN void (GLAPIENTRYP pfn_glClearColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+#define glClearColor pfn_glClearColor
+
+GLPFN void (GLAPIENTRYP pfn_glClearDepth)(GLclampd depth);
+#define glClearDepth pfn_glClearDepth
+
+GLPFN void (GLAPIENTRYP pfn_glClearStencil)(GLint s);
+#define glClearStencil pfn_glClearStencil
+
+GLPFN void (GLAPIENTRYP pfn_glClipPlane)(GLenum plane, const GLdouble *equation);
+#define glClipPlane pfn_glClipPlane
+
+GLPFN void (GLAPIENTRYP pfn_glColorMask)(GLboolean red, GLboolean green, GLboolean blue, GLboolean alpha);
+#define glColorMask pfn_glColorMask
+
+GLPFN void (GLAPIENTRYP pfn_glColorPointer)(GLint size, GLenum type, GLsizei stride, const void *pointer);
+#define glColorPointer pfn_glColorPointer
+
+GLPFN void (GLAPIENTRYP pfn_glCullFace)(GLenum mode);
+#define glCullFace pfn_glCullFace
+
+GLPFN void (GLAPIENTRYP pfn_glDeleteTextures)(GLsizei n, const GLuint *textures);
+#define glDeleteTextures pfn_glDeleteTextures
+
+GLPFN void (GLAPIENTRYP pfn_glDepthFunc)(GLenum func);
+#define glDepthFunc pfn_glDepthFunc
+
+GLPFN void (GLAPIENTRYP pfn_glDepthMask)(GLboolean flag);
+#define glDepthMask pfn_glDepthMask
+
+GLPFN void (GLAPIENTRYP pfn_glDepthRange)(GLclampd zNear, GLclampd zFar);
+#define glDepthRange pfn_glDepthRange
+
+GLPFN void (GLAPIENTRYP pfn_glDisable)(GLenum cap);
+#define glDisable pfn_glDisable
+
+GLPFN void (GLAPIENTRYP pfn_glDisableClientState)(GLenum array);
+#define glDisableClientState pfn_glDisableClientState
+
+GLPFN void (GLAPIENTRYP pfn_glDrawArrays)(GLenum mode, GLint first, GLsizei count);
+#define glDrawArrays pfn_glDrawArrays
+
+GLPFN void (GLAPIENTRYP pfn_glDrawElements)(GLenum mode, GLsizei count, GLenum type, const void *indices);
+#define glDrawElements pfn_glDrawElements
+
+GLPFN void (GLAPIENTRYP pfn_glEnable)(GLenum cap);
+#define glEnable pfn_glEnable
+
+GLPFN void (GLAPIENTRYP pfn_glEnableClientState)(GLenum array);
+#define glEnableClientState pfn_glEnableClientState
+
+GLPFN void (GLAPIENTRYP pfn_glFogf)(GLenum pname, GLfloat param);
+#define glFogf pfn_glFogf
+
+GLPFN void (GLAPIENTRYP pfn_glFogfv)(GLenum pname, const GLfloat *params);
+#define glFogfv pfn_glFogfv
+
+GLPFN void (GLAPIENTRYP pfn_glFogi)(GLenum pname, GLint param);
+#define glFogi pfn_glFogi
+
+GLPFN void (GLAPIENTRYP pfn_glFrontFace)(GLenum mode);
+#define glFrontFace pfn_glFrontFace
+
+GLPFN void (GLAPIENTRYP pfn_glGenTextures)(GLsizei n, GLuint *textures);
+#define glGenTextures pfn_glGenTextures
+
+GLPFN void (GLAPIENTRYP pfn_glGetBooleanv)(GLenum pname, GLboolean *params);
+#define glGetBooleanv pfn_glGetBooleanv
+
+GLPFN GLenum (GLAPIENTRYP pfn_glGetError)(void);
+#define glGetError pfn_glGetError
+
+GLPFN void (GLAPIENTRYP pfn_glGetFloatv)(GLenum pname, GLfloat *params);
+#define glGetFloatv pfn_glGetFloatv
+
+GLPFN void (GLAPIENTRYP pfn_glGetIntegerv)(GLenum pname, GLint *params);
+#define glGetIntegerv pfn_glGetIntegerv
+
+GLPFN const GLubyte * (GLAPIENTRYP pfn_glGetString)(GLenum name);
+#define glGetString pfn_glGetString
+
+GLPFN void (GLAPIENTRYP pfn_glGetTexImage)(GLenum target, GLint level, GLenum format, GLenum type, void *pixels);
+#define glGetTexImage pfn_glGetTexImage
+
+GLPFN void (GLAPIENTRYP pfn_glLightModelfv)(GLenum pname, const GLfloat *params);
+#define glLightModelfv pfn_glLightModelfv
+
+GLPFN void (GLAPIENTRYP pfn_glLightf)(GLenum light, GLenum pname, GLfloat param);
+#define glLightf pfn_glLightf
+
+GLPFN void (GLAPIENTRYP pfn_glLightfv)(GLenum light, GLenum pname, const GLfloat *params);
+#define glLightfv pfn_glLightfv
+
+GLPFN void (GLAPIENTRYP pfn_glLineWidth)(GLfloat width);
+#define glLineWidth pfn_glLineWidth
+
+GLPFN void (GLAPIENTRYP pfn_glLoadIdentity)(void);
+#define glLoadIdentity pfn_glLoadIdentity
+
+GLPFN void (GLAPIENTRYP pfn_glLoadMatrixf)(const GLfloat *m);
+#define glLoadMatrixf pfn_glLoadMatrixf
+
+GLPFN void (GLAPIENTRYP pfn_glMaterialfv)(GLenum face, GLenum pname, const GLfloat *params);
+#define glMaterialfv pfn_glMaterialfv
+
+GLPFN void (GLAPIENTRYP pfn_glMatrixMode)(GLenum mode);
+#define glMatrixMode pfn_glMatrixMode
+
+GLPFN void (GLAPIENTRYP pfn_glMultMatrixf)(const GLfloat *m);
+#define glMultMatrixf pfn_glMultMatrixf
+
+GLPFN void (GLAPIENTRYP pfn_glNormalPointer)(GLenum type, GLsizei stride, const void *pointer);
+#define glNormalPointer pfn_glNormalPointer
+
+GLPFN void (GLAPIENTRYP pfn_glPixelStorei)(GLenum pname, GLint param);
+#define glPixelStorei pfn_glPixelStorei
+
+GLPFN void (GLAPIENTRYP pfn_glPointSize)(GLfloat size);
+#define glPointSize pfn_glPointSize
+
+GLPFN void (GLAPIENTRYP pfn_glPolygonMode)(GLenum face, GLenum mode);
+#define glPolygonMode pfn_glPolygonMode
+
+GLPFN void (GLAPIENTRYP pfn_glPolygonOffset)(GLfloat factor, GLfloat units);
+#define glPolygonOffset pfn_glPolygonOffset
+
+GLPFN void (GLAPIENTRYP pfn_glPopAttrib)(void);
+#define glPopAttrib pfn_glPopAttrib
+
+GLPFN void (GLAPIENTRYP pfn_glPopMatrix)(void);
+#define glPopMatrix pfn_glPopMatrix
+
+GLPFN void (GLAPIENTRYP pfn_glPushAttrib)(GLbitfield mask);
+#define glPushAttrib pfn_glPushAttrib
+
+GLPFN void (GLAPIENTRYP pfn_glPushMatrix)(void);
+#define glPushMatrix pfn_glPushMatrix
+
+GLPFN void (GLAPIENTRYP pfn_glScissor)(GLint x, GLint y, GLsizei width, GLsizei height);
+#define glScissor pfn_glScissor
+
+GLPFN void (GLAPIENTRYP pfn_glShadeModel)(GLenum mode);
+#define glShadeModel pfn_glShadeModel
+
+GLPFN void (GLAPIENTRYP pfn_glStencilFunc)(GLenum func, GLint ref, GLuint mask);
+#define glStencilFunc pfn_glStencilFunc
+
+GLPFN void (GLAPIENTRYP pfn_glStencilMask)(GLuint mask);
+#define glStencilMask pfn_glStencilMask
+
+GLPFN void (GLAPIENTRYP pfn_glStencilOp)(GLenum fail, GLenum zfail, GLenum zpass);
+#define glStencilOp pfn_glStencilOp
+
+GLPFN void (GLAPIENTRYP pfn_glTexCoordPointer)(GLint size, GLenum type, GLsizei stride, const void *pointer);
+#define glTexCoordPointer pfn_glTexCoordPointer
+
+GLPFN void (GLAPIENTRYP pfn_glTexImage2D)(GLenum target, GLint level, GLint internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void *pixels);
+#define glTexImage2D pfn_glTexImage2D
+
+GLPFN void (GLAPIENTRYP pfn_glTexParameterf)(GLenum target, GLenum pname, GLfloat param);
+#define glTexParameterf pfn_glTexParameterf
+
+GLPFN void (GLAPIENTRYP pfn_glTexParameterfv)(GLenum target, GLenum pname, const GLfloat *params);
+#define glTexParameterfv pfn_glTexParameterfv
+
+GLPFN void (GLAPIENTRYP pfn_glTexParameteri)(GLenum target, GLenum pname, GLint param);
+#define glTexParameteri pfn_glTexParameteri
+
+GLPFN void (GLAPIENTRYP pfn_glTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels);
+#define glTexSubImage2D pfn_glTexSubImage2D
+
+GLPFN void (GLAPIENTRYP pfn_glVertexPointer)(GLint size, GLenum type, GLsizei stride, const void *pointer);
+#define glVertexPointer pfn_glVertexPointer
+
+GLPFN void (GLAPIENTRYP pfn_glViewport)(GLint x, GLint y, GLsizei width, GLsizei height);
+#define glViewport pfn_glViewport
+
+/*
+ * Extension functions (not exported from OpenGL32 on Windows).
+ */
+GLPFN void (GLAPIENTRYP pfn_glBlendColor)(GLclampf red, GLclampf green, GLclampf blue, GLclampf alpha);
+#define glBlendColor pfn_glBlendColor
+
+GLPFN void (GLAPIENTRYP pfn_glBlendEquation)(GLenum mode);
+#define glBlendEquation pfn_glBlendEquation
+
+GLPFN void (GLAPIENTRYP pfn_glClientActiveTexture)(GLenum texture);
+#define glClientActiveTexture pfn_glClientActiveTexture
+
+#ifdef RT_OS_WINDOWS
+/*
+ * WGL.
+ */
+GLPFN HGLRC (WINAPI *pfn_wglCreateContext)(HDC);
+#define wglCreateContext pfn_wglCreateContext
+
+GLPFN BOOL (WINAPI *pfn_wglDeleteContext)(HGLRC);
+#define wglDeleteContext pfn_wglDeleteContext
+
+GLPFN BOOL (WINAPI *pfn_wglMakeCurrent)(HDC, HGLRC);
+#define wglMakeCurrent pfn_wglMakeCurrent
+
+GLPFN BOOL (WINAPI *pfn_wglShareLists)(HGLRC, HGLRC);
+#define wglShareLists pfn_wglShareLists
+
+#elif defined(RT_OS_LINUX)
+/*
+ * GLX
+ */
+GLPFN Bool (* pfn_glXQueryVersion)(Display * dpy,  int * major,  int * minor);
+#define glXQueryVersion pfn_glXQueryVersion
+
+GLPFN XVisualInfo* (* pfn_glXChooseVisual)(Display * dpy,  int screen,  int * attribList);
+#define glXChooseVisual pfn_glXChooseVisual
+
+GLPFN GLXContext (* pfn_glXCreateContext)(Display * dpy,  XVisualInfo * vis,  GLXContext shareList,  Bool direct);
+#define glXCreateContext pfn_glXCreateContext
+
+GLPFN Bool (* pfn_glXMakeCurrent)(Display * dpy,  GLXDrawable drawable,  GLXContext ctx);
+#define glXMakeCurrent pfn_glXMakeCurrent
+
+GLPFN void (* pfn_glXDestroyContext)(Display * dpy,  GLXContext ctx);
+#define glXDestroyContext pfn_glXDestroyContext
+
+/*
+ * X11
+ */
+GLPFN int (* pfn_XConfigureWindow)(Display *display, Window w, unsigned value_mask, XWindowChanges *changes);
+#define XConfigureWindow pfn_XConfigureWindow
+
+GLPFN int (* pfn_XCloseDisplay)(Display *display);
+#define XCloseDisplay pfn_XCloseDisplay
+
+GLPFN Colormap (* pfn_XCreateColormap)(Display *display, Window w, Visual *visual, int alloc);
+#define XCreateColormap pfn_XCreateColormap
+
+GLPFN Window (* pfn_XCreateWindow)(Display *display, Window parent, int x, int y, unsigned int width, unsigned int height,
+    unsigned int border_width, int depth, unsigned int window_class, Visual *visual, unsigned long valuemask, XSetWindowAttributes *attributes);
+#define XCreateWindow pfn_XCreateWindow
+
+GLPFN Window (* pfn_XDefaultRootWindow)(Display *display);
+#define XDefaultRootWindow pfn_XDefaultRootWindow
+
+GLPFN int (* pfn_XDestroyWindow)(Display *display, Window w);
+#define XDestroyWindow pfn_XDestroyWindow
+
+GLPFN Status (* pfn_XInitThreads)(void);
+#define XInitThreads pfn_XInitThreads
+
+GLPFN int (* pfn_XNextEvent)(Display *display, XEvent *event_return);
+#define XNextEvent pfn_XNextEvent
+
+GLPFN Display *(* pfn_XOpenDisplay)(char *display_name);
+#define XOpenDisplay pfn_XOpenDisplay
+
+GLPFN int (* pfn_XPending)(Display *display);
+#define XPending pfn_XPending
+
+#endif
+
+#endif /* !VBOX_INCLUDED_SRC_Graphics_DevVGA_SVGA3d_glLdr_h */