diff options
Diffstat (limited to 'src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.cpp')
| -rw-r--r-- | src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.cpp | 428 |
1 files changed, 428 insertions, 0 deletions
diff --git a/src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.cpp b/src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.cpp new file mode 100644 index 00000000..25e18b56 --- /dev/null +++ b/src/VBox/Devices/Graphics/DevVGA-SVGA3d-glLdr.cpp @@ -0,0 +1,428 @@ +/* $Id: DevVGA-SVGA3d-glLdr.cpp $ */ +/** @file + * DevVGA - VMWare SVGA device - 3D part, dynamic loading of GL function. + */ + +/* + * Copyright (C) 2018-2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * SPDX-License-Identifier: GPL-3.0-only + */ + +#define VMSVGA3D_GL_DEFINE_PFN +#include "DevVGA-SVGA3d-glLdr.h" + +#include <VBox/vmm/pdmdev.h> +#include <VBox/err.h> +#include <iprt/assert.h> +#include <iprt/cdefs.h> +#include <iprt/ldr.h> +#include <iprt/log.h> + +#ifdef RT_OS_WINDOWS +# define OGLGETPROCADDRESS MyWinGetProcAddress +DECLINLINE(PFNRT) MyWinGetProcAddress(const char *pszSymbol) +{ + int rc; + + static RTLDRMOD s_hOpenGL32 = NULL; + if (s_hOpenGL32 == NULL) + { + rc = RTLdrLoadSystem("opengl32", /* fNoUnload = */ true, &s_hOpenGL32); + if (RT_FAILURE(rc)) + s_hOpenGL32 = NULL; + } + + typedef PROC (WINAPI *PFNWGLGETPROCADDRESS)(LPCSTR); + static PFNWGLGETPROCADDRESS s_wglGetProcAddress = NULL; + if (s_wglGetProcAddress == NULL) + { + if (s_hOpenGL32 != NULL) + { + rc = RTLdrGetSymbol(s_hOpenGL32, "wglGetProcAddress", (void **)&s_wglGetProcAddress); + if (RT_FAILURE(rc)) + s_wglGetProcAddress = NULL; + } + } + + if (s_wglGetProcAddress) + { + /* Khronos: [on failure] "some implementations will return other values. 1, 2, and 3 are used, as well as -1". */ + PFNRT p = (PFNRT)s_wglGetProcAddress(pszSymbol); + if (RT_VALID_PTR(p)) + return p; + + /* Might be an exported symbol. */ + rc = RTLdrGetSymbol(s_hOpenGL32, pszSymbol, (void **)&p); + if (RT_SUCCESS(rc)) + return p; + } + + return 0; +} + +#elif defined(RT_OS_DARWIN) +# include <dlfcn.h> +# define OGLGETPROCADDRESS MyNSGLGetProcAddress +/** Resolves an OpenGL symbol. */ +static void *MyNSGLGetProcAddress(const char *pszSymbol) +{ + /* Another copy in shaderapi.c. */ + static void *s_pvImage = NULL; + if (s_pvImage == NULL) + s_pvImage = dlopen("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", RTLD_LAZY); + return s_pvImage ? dlsym(s_pvImage, pszSymbol) : NULL; +} + +#else +# define OGLGETPROCADDRESS MyGLXGetProcAddress +static PFNRT MyGLXGetProcAddress(const char *pszSymbol) +{ + int rc; + + static RTLDRMOD s_hGL = NULL; + if (s_hGL == NULL) + { + static const char s_szLibGL[] = "libGL.so.1"; + rc = RTLdrLoadEx(s_szLibGL, &s_hGL, RTLDRLOAD_FLAGS_GLOBAL | RTLDRLOAD_FLAGS_NO_UNLOAD, NULL); + if (RT_FAILURE(rc)) + { + LogRel(("VMSVGA3d: failed to load %s: %Rrc\n", s_szLibGL, rc)); + s_hGL = NULL; + return NULL; + } + } + + typedef PFNRT (* PFNGLXGETPROCADDRESS)(const GLubyte * procName); + static PFNGLXGETPROCADDRESS s_glXGetProcAddress = NULL; + if (s_glXGetProcAddress == NULL) + { + rc = RTLdrGetSymbol(s_hGL, "glXGetProcAddress", (void **)&s_glXGetProcAddress); + if (RT_FAILURE(rc)) + { + LogRel(("VMSVGA3d: failed to get glXGetProcAddress: %Rrc\n", rc)); + s_glXGetProcAddress = NULL; + return NULL; + } + } + + PFNRT p = s_glXGetProcAddress((const GLubyte *)pszSymbol); + if (RT_VALID_PTR(p)) + return p; + + /* Might be an exported symbol. */ + rc = RTLdrGetSymbol(s_hGL, pszSymbol, (void **)&p); + if (RT_SUCCESS(rc)) + return p; + + return NULL; +} + +static PFNRT MyX11GetProcAddress(const char *pszSymbol) +{ + int rc; + + static RTLDRMOD s_hX11 = NULL; + if (s_hX11 == NULL) + { + static const char s_szLibX11[] = "libX11.so.6"; + rc = RTLdrLoadEx(s_szLibX11, &s_hX11, RTLDRLOAD_FLAGS_LOCAL | RTLDRLOAD_FLAGS_NO_UNLOAD, NULL); + if (RT_FAILURE(rc)) + { + LogRel(("VMSVGA3d: failed to load %s: %Rrc\n", s_szLibX11, rc)); + s_hX11 = NULL; + return NULL; + } + } + + PFNRT p = NULL; + rc = RTLdrGetSymbol(s_hX11, pszSymbol, (void **)&p); + if (RT_SUCCESS(rc)) + return p; + + return NULL; +} + +#define X11GETPROC_(ProcName) do { \ + *(PFNRT *)&pfn_##ProcName = pfnRet = MyX11GetProcAddress(#ProcName); \ + if (pfnRet) { /* likely */ } \ + else \ + { \ + AssertLogRelMsg(pfnRet, ("%s missing\n", #ProcName)); \ + return PDMDevHlpVMSetError(pDevIns, VERR_VGA_GL_SYMBOL_NOT_FOUND, RT_SRC_POS, \ + "Missing libX11 symbol '%s'\n", #ProcName); \ + } \ +} while(0) +#endif + +#define GLGETPROC_(ProcName, NameSuffix) do { \ + *(PFNRT *)&pfn_##ProcName = pfnRet = OGLGETPROCADDRESS(#ProcName NameSuffix); \ + if (pfnRet) { /* likely */ } \ + else \ + { \ + AssertLogRelMsg(pfnRet, ("%s missing\n", #ProcName NameSuffix)); \ + return PDMDevHlpVMSetError(pDevIns, VERR_VGA_GL_SYMBOL_NOT_FOUND, RT_SRC_POS, \ + "Missing OpenGL symbol '%s'\n", #ProcName NameSuffix); \ + } \ +} while(0) + +int glLdrInit(PPDMDEVINS pDevIns) +{ + /** @todo r=bird: Perhaps make this template include file driven? See + * include/VBox/dbus.h, include/VBox/dbus-calls.h and iprt/runtime-loader.h for + * instance. Regardless, it would be would be nice if we could move up the + * RTLdrLoadSystem/dlopen bits and have separate error reporting for those, + * making use of VERR_VGA_GL_LOAD_FAILURE. I can look into that, but + * probably only after the release is out... */ + +#ifdef RT_OS_WINDOWS + pfn_wglCreateContext = 0; + pfn_wglDeleteContext = 0; + pfn_wglMakeCurrent = 0; + pfn_wglShareLists = 0; +#elif defined(RT_OS_LINUX) + pfn_XConfigureWindow = 0; + pfn_XCloseDisplay = 0; + pfn_XCreateColormap = 0; + pfn_XCreatePixmap = 0; + pfn_XCreateWindow = 0; + pfn_XDefaultRootWindow = 0; + pfn_XDestroyWindow = 0; + pfn_XFree = 0; + pfn_XFreePixmap = 0; + pfn_XInitThreads = 0; + pfn_XNextEvent = 0; + pfn_XOpenDisplay = 0; + pfn_XPending = 0; + pfn_XSetErrorHandler = 0; + pfn_XSync = 0; + pfn_XScreenNumberOfScreen = 0; + pfn_XMapWindow = 0; + pfn_XGetWindowAttributes = 0; + pfn_glXGetFBConfigAttrib = 0; + pfn_glXGetVisualFromFBConfig = 0; + pfn_glXQueryVersion = 0; + pfn_glXChooseFBConfig = 0; + pfn_glXChooseVisual = 0; + pfn_glXCreateContext = 0; + pfn_glXCreatePixmap = 0; + pfn_glXMakeCurrent = 0; + pfn_glXDestroyContext = 0; + pfn_glXDestroyPixmap = 0; +#endif + pfn_glAlphaFunc = 0; + pfn_glBegin = 0; + pfn_glBindTexture = 0; + pfn_glBlendColor = 0; + pfn_glBlendEquation = 0; + pfn_glBlendFunc = 0; + pfn_glClear = 0; + pfn_glClearColor = 0; + pfn_glClearDepth = 0; + pfn_glClearStencil = 0; + pfn_glClientActiveTexture = 0; + pfn_glClipPlane = 0; + pfn_glColorMask = 0; + pfn_glColorPointer = 0; + pfn_glCullFace = 0; + pfn_glDeleteTextures = 0; + pfn_glDepthFunc = 0; + pfn_glDepthMask = 0; + pfn_glDepthRange = 0; + pfn_glDisable = 0; + pfn_glDisableClientState = 0; + pfn_glDrawArrays = 0; + pfn_glDrawElements = 0; + pfn_glEnable = 0; + pfn_glEnableClientState = 0; + pfn_glEnd = 0; + pfn_glFinish = 0; + pfn_glFlush = 0; + pfn_glFogf = 0; + pfn_glFogfv = 0; + pfn_glFogi = 0; + pfn_glFrontFace = 0; + pfn_glGenTextures = 0; + pfn_glGetBooleanv = 0; + pfn_glGetError = 0; + pfn_glGetFloatv = 0; + pfn_glGetIntegerv = 0; + pfn_glGetString = 0; + pfn_glGetTexImage = 0; + pfn_glLightModelfv = 0; + pfn_glLightf = 0; + pfn_glLightfv = 0; + pfn_glLineWidth = 0; + pfn_glLoadIdentity = 0; + pfn_glLoadMatrixf = 0; + pfn_glMaterialfv = 0; + pfn_glMatrixMode = 0; + pfn_glMultMatrixf = 0; + pfn_glNormalPointer = 0; + pfn_glOrtho = 0; + pfn_glPixelStorei = 0; + pfn_glPointSize = 0; + pfn_glPolygonMode = 0; + pfn_glPolygonOffset = 0; + pfn_glPopAttrib = 0; + pfn_glPopMatrix = 0; + pfn_glPushAttrib = 0; + pfn_glPushMatrix = 0; + pfn_glScissor = 0; + pfn_glShadeModel = 0; + pfn_glStencilFunc = 0; + pfn_glStencilMask = 0; + pfn_glStencilOp = 0; + pfn_glTexCoord2f = 0; + pfn_glTexCoordPointer = 0; + pfn_glTexImage2D = 0; + pfn_glTexParameterf = 0; + pfn_glTexParameterfv = 0; + pfn_glTexParameteri = 0; + pfn_glTexSubImage2D = 0; + pfn_glVertex2i = 0; + pfn_glVertexPointer = 0; + pfn_glViewport = 0; + + PFNRT pfnRet; +#ifdef RT_OS_WINDOWS + GLGETPROC_(wglCreateContext, ""); + GLGETPROC_(wglDeleteContext, ""); + GLGETPROC_(wglMakeCurrent, ""); + GLGETPROC_(wglShareLists, ""); +#elif defined(RT_OS_LINUX) + X11GETPROC_(XConfigureWindow); + X11GETPROC_(XCloseDisplay); + X11GETPROC_(XCreateColormap); + X11GETPROC_(XCreatePixmap); + X11GETPROC_(XCreateWindow); + X11GETPROC_(XDefaultRootWindow); + X11GETPROC_(XDestroyWindow); + X11GETPROC_(XFree); + X11GETPROC_(XFreePixmap); + X11GETPROC_(XInitThreads); + X11GETPROC_(XNextEvent); + X11GETPROC_(XOpenDisplay); + X11GETPROC_(XPending); + X11GETPROC_(XSetErrorHandler); + X11GETPROC_(XSync); + X11GETPROC_(XScreenNumberOfScreen); + X11GETPROC_(XMapWindow); + X11GETPROC_(XGetWindowAttributes); + GLGETPROC_(glXGetFBConfigAttrib, ""); + GLGETPROC_(glXGetVisualFromFBConfig, ""); + GLGETPROC_(glXQueryVersion, ""); + GLGETPROC_(glXChooseFBConfig, ""); + GLGETPROC_(glXChooseVisual, ""); + GLGETPROC_(glXCreateContext, ""); + GLGETPROC_(glXCreatePixmap, ""); + GLGETPROC_(glXMakeCurrent, ""); + GLGETPROC_(glXDestroyContext, ""); + GLGETPROC_(glXDestroyPixmap, ""); +#endif + GLGETPROC_(glAlphaFunc, ""); + GLGETPROC_(glBegin, ""); + GLGETPROC_(glBindTexture, ""); + GLGETPROC_(glBlendFunc, ""); + GLGETPROC_(glClear, ""); + GLGETPROC_(glClearColor, ""); + GLGETPROC_(glClearDepth, ""); + GLGETPROC_(glClearStencil, ""); + GLGETPROC_(glClipPlane, ""); + GLGETPROC_(glColorMask, ""); + GLGETPROC_(glColorPointer, ""); + GLGETPROC_(glCullFace, ""); + GLGETPROC_(glDeleteTextures, ""); + GLGETPROC_(glDepthFunc, ""); + GLGETPROC_(glDepthMask, ""); + GLGETPROC_(glDepthRange, ""); + GLGETPROC_(glDisable, ""); + GLGETPROC_(glDisableClientState, ""); + GLGETPROC_(glDrawArrays, ""); + GLGETPROC_(glDrawElements, ""); + GLGETPROC_(glEnable, ""); + GLGETPROC_(glEnableClientState, ""); + GLGETPROC_(glEnd, ""); + GLGETPROC_(glFinish, ""); + GLGETPROC_(glFlush, ""); + GLGETPROC_(glFogf, ""); + GLGETPROC_(glFogfv, ""); + GLGETPROC_(glFogi, ""); + GLGETPROC_(glFrontFace, ""); + GLGETPROC_(glGenTextures, ""); + GLGETPROC_(glGetBooleanv, ""); + GLGETPROC_(glGetError, ""); + GLGETPROC_(glGetFloatv, ""); + GLGETPROC_(glGetIntegerv, ""); + GLGETPROC_(glGetString, ""); + GLGETPROC_(glGetTexImage, ""); + GLGETPROC_(glLightModelfv, ""); + GLGETPROC_(glLightf, ""); + GLGETPROC_(glLightfv, ""); + GLGETPROC_(glLineWidth, ""); + GLGETPROC_(glLoadIdentity, ""); + GLGETPROC_(glLoadMatrixf, ""); + GLGETPROC_(glMaterialfv, ""); + GLGETPROC_(glMatrixMode, ""); + GLGETPROC_(glMultMatrixf, ""); + GLGETPROC_(glNormalPointer, ""); + GLGETPROC_(glOrtho, ""); + GLGETPROC_(glPixelStorei, ""); + GLGETPROC_(glPointSize, ""); + GLGETPROC_(glPolygonMode, ""); + GLGETPROC_(glPolygonOffset, ""); + GLGETPROC_(glPopAttrib, ""); + GLGETPROC_(glPopMatrix, ""); + GLGETPROC_(glPushAttrib, ""); + GLGETPROC_(glPushMatrix, ""); + GLGETPROC_(glScissor, ""); + GLGETPROC_(glShadeModel, ""); + GLGETPROC_(glStencilFunc, ""); + GLGETPROC_(glStencilMask, ""); + GLGETPROC_(glStencilOp, ""); + GLGETPROC_(glTexCoord2f, ""); + GLGETPROC_(glTexCoordPointer, ""); + GLGETPROC_(glTexImage2D, ""); + GLGETPROC_(glTexParameterf, ""); + GLGETPROC_(glTexParameterfv, ""); + GLGETPROC_(glTexParameteri, ""); + GLGETPROC_(glTexSubImage2D, ""); + GLGETPROC_(glVertex2i, ""); + GLGETPROC_(glVertexPointer, ""); + GLGETPROC_(glViewport, ""); + +#ifdef RT_OS_LINUX + XInitThreads(); +#endif + return VINF_SUCCESS; +} + +PFNRT glLdrGetProcAddress(const char *pszSymbol) +{ + return OGLGETPROCADDRESS(pszSymbol); +} + +int glLdrGetExtFunctions(PPDMDEVINS pDevIns) +{ + PFNRT pfnRet; + GLGETPROC_(glBlendColor, ""); + GLGETPROC_(glBlendEquation, ""); + GLGETPROC_(glClientActiveTexture, ""); + return VINF_SUCCESS; +} |