ReplayCreateStatus GL_CreateReplayDevice(const char *logfile, IReplayDriver **driver)
{
RDCDEBUG("Creating an OpenGL replay device");
if(glXCreateContextAttribsProc == NULL)
{
glXGetFuncProc = (PFNGLXGETPROCADDRESSPROC)dlsym(RTLD_NEXT, "glXGetProcAddress");
glXDestroyCtxProc = (PFNGLXDESTROYCONTEXTPROC)dlsym(RTLD_NEXT, "glXDestroyContext");
glXSwapProc = (PFNGLXSWAPBUFFERSPROC)dlsym(RTLD_NEXT, "glXSwapBuffers");
glXChooseFBConfigProc = (PFNGLXCHOOSEFBCONFIGPROC)dlsym(RTLD_NEXT, "glXChooseFBConfig");
glXCreatePbufferProc = (PFNGLXCREATEPBUFFERPROC)dlsym(RTLD_NEXT, "glXCreatePbuffer");
glXDestroyPbufferProc = (PFNGLXDESTROYPBUFFERPROC)dlsym(RTLD_NEXT, "glXDestroyPbuffer");
glXQueryDrawableProc = (PFNGLXQUERYDRAWABLEPROC)dlsym(RTLD_NEXT, "glXQueryDrawable");
if(glXGetFuncProc == NULL || glXDestroyCtxProc == NULL ||
glXSwapProc == NULL || glXChooseFBConfigProc == NULL ||
glXCreatePbufferProc == NULL || glXDestroyPbufferProc == NULL ||
glXQueryDrawableProc == NULL)
{
RDCERR("Couldn't find required entry points, glXGetProcAddress glXDestroyContext glXSwapBuffers");
return eReplayCreate_APIInitFailed;
}
glXCreateContextAttribsProc = (PFNGLXCREATECONTEXTATTRIBSARBPROC)glXGetFuncProc((const GLubyte*)"glXCreateContextAttribsARB");
glXMakeContextCurrentProc = (PFNGLXMAKECONTEXTCURRENTPROC)glXGetFuncProc((const GLubyte*)"glXMakeContextCurrent");
if(glXCreateContextAttribsProc == NULL || glXMakeContextCurrentProc == NULL)
{
RDCERR("Couldn't get glx function addresses, glXCreateContextAttribsARB glXMakeContextCurrent");
return eReplayCreate_APIInitFailed;
}
}
GLInitParams initParams;
RDCDriver driverType = RDC_OpenGL;
string driverName = "OpenGL";
if(logfile)
RenderDoc::Inst().FillInitParams(logfile, driverType, driverName, (RDCInitParams *)&initParams);
if(initParams.SerialiseVersion != GLInitParams::GL_SERIALISE_VERSION)
{
RDCERR("Incompatible OpenGL serialise version, expected %d got %d", GLInitParams::GL_SERIALISE_VERSION, initParams.SerialiseVersion);
return eReplayCreate_APIIncompatibleVersion;
}
int attribs[64] = {0};
int i=0;
GLReplay::PreContextInitCounters();
attribs[i++] = GLX_CONTEXT_MAJOR_VERSION_ARB;
attribs[i++] = 4;
attribs[i++] = GLX_CONTEXT_MINOR_VERSION_ARB;
attribs[i++] = 3;
attribs[i++] = GLX_CONTEXT_FLAGS_ARB;
attribs[i++] = GLX_CONTEXT_DEBUG_BIT_ARB;
attribs[i++] = GLX_CONTEXT_PROFILE_MASK_ARB;
attribs[i++] = GLX_CONTEXT_CORE_PROFILE_BIT_ARB;
Display *dpy = XOpenDisplay(NULL);
if(dpy == NULL)
{
RDCERR("Couldn't open default X display");
return eReplayCreate_APIInitFailed;
}
// don't need to care about the fb config as we won't be using the default framebuffer (backbuffer)
static int visAttribs[] = { 0 };
int numCfgs = 0;
GLXFBConfig *fbcfg = glXChooseFBConfigProc(dpy, DefaultScreen(dpy), visAttribs, &numCfgs);
if(fbcfg == NULL)
{
XCloseDisplay(dpy);
GLReplay::PostContextShutdownCounters();
RDCERR("Couldn't choose default framebuffer config");
return eReplayCreate_APIInitFailed;
}
GLXContext ctx = glXCreateContextAttribsProc(dpy, fbcfg[0], 0, true, attribs);
if(ctx == NULL)
{
XFree(fbcfg);
XCloseDisplay(dpy);
GLReplay::PostContextShutdownCounters();
RDCERR("Couldn't create 4.3 context - RenderDoc requires OpenGL 4.3 availability");
return eReplayCreate_APIHardwareUnsupported;
}
// don't care about pbuffer properties for same reason as backbuffer
int pbAttribs[] = { GLX_PBUFFER_WIDTH, 32, GLX_PBUFFER_HEIGHT, 32, 0 };
GLXPbuffer pbuffer = glXCreatePbufferProc(dpy, fbcfg[0], pbAttribs);
XFree(fbcfg);
Bool res = glXMakeContextCurrentProc(dpy, pbuffer, pbuffer, ctx);
if(!res)
{
glXDestroyPbufferProc(dpy, pbuffer);
glXDestroyCtxProc(dpy, ctx);
XFree(fbcfg);
XCloseDisplay(dpy);
GLReplay::PostContextShutdownCounters();
RDCERR("Couldn't make pbuffer & context current");
return eReplayCreate_APIInitFailed;
}
PFNGLGETINTEGERVPROC getInt = (PFNGLGETINTEGERVPROC)glXGetFuncProc((const GLubyte *)"glGetIntegerv");
PFNGLGETSTRINGIPROC getStr = (PFNGLGETSTRINGIPROC)glXGetFuncProc((const GLubyte *)"glGetStringi");
if(getInt == NULL || getStr == NULL)
{
RDCERR("Couldn't get glGetIntegerv (%p) or glGetStringi (%p) entry points", getInt, getStr);
glXDestroyPbufferProc(dpy, pbuffer);
glXDestroyCtxProc(dpy, ctx);
XFree(fbcfg);
XCloseDisplay(dpy);
GLReplay::PostContextShutdownCounters();
return eReplayCreate_APIInitFailed;
}
else
{
// eventually we want to emulate EXT_dsa on replay if it isn't present, but for
// now we just require it.
bool found = false;
GLint numExts = 0;
getInt(eGL_NUM_EXTENSIONS, &numExts);
for(GLint i=0; i < numExts; i++)
{
const char *ext = (const char *)getStr(eGL_EXTENSIONS, (GLuint)i);
if(!strcmp(ext, "GL_EXT_direct_state_access"))
{
found = true;
break;
}
}
if(!found)
{
RDCERR("RenderDoc requires EXT_direct_state_access availability, and it is not reported. Try updating your drivers.");
glXDestroyPbufferProc(dpy, pbuffer);
glXDestroyCtxProc(dpy, ctx);
XFree(fbcfg);
XCloseDisplay(dpy);
GLReplay::PostContextShutdownCounters();
return eReplayCreate_APIHardwareUnsupported;
}
}
WrappedOpenGL *gl = new WrappedOpenGL(logfile, GetRealFunctions());
gl->Initialise(initParams);
RDCLOG("Created device.");
GLReplay *replay = gl->GetReplay();
replay->SetProxy(logfile == NULL);
GLWindowingData data;
data.dpy = dpy;
data.ctx = ctx;
data.wnd = pbuffer;
replay->SetReplayData(data);
*driver = (IReplayDriver *)replay;
return eReplayCreate_Success;
}
ReplayCreateStatus GL_CreateReplayDevice(const wchar_t *logfile, IReplayDriver **driver)
{
RDCDEBUG("Creating an OpenGL replay device");
if(glXCreateContextAttribsProc == NULL)
{
glXGetFuncProc = (PFNGLXGETPROCADDRESSPROC)dlsym(RTLD_NEXT, "glXGetProcAddress");
glXDestroyCtxProc = (PFNGLXDESTROYCONTEXTPROC)dlsym(RTLD_NEXT, "glXDestroyContext");
glXSwapProc = (PFNGLXSWAPBUFFERSPROC)dlsym(RTLD_NEXT, "glXSwapBuffers");
glXChooseFBConfigProc = (PFNGLXCHOOSEFBCONFIGPROC)dlsym(RTLD_NEXT, "glXChooseFBConfig");
glXCreatePbufferProc = (PFNGLXCREATEPBUFFERPROC)dlsym(RTLD_NEXT, "glXCreatePbuffer");
glXDestroyPbufferProc = (PFNGLXDESTROYPBUFFERPROC)dlsym(RTLD_NEXT, "glXDestroyPbuffer");
glXQueryDrawableProc = (PFNGLXQUERYDRAWABLEPROC)dlsym(RTLD_NEXT, "glXQueryDrawable");
if(glXGetFuncProc == NULL || glXDestroyCtxProc == NULL ||
glXSwapProc == NULL || glXChooseFBConfigProc == NULL ||
glXCreatePbufferProc == NULL || glXDestroyPbufferProc == NULL ||
glXQueryDrawableProc == NULL)
{
RDCERR("Couldn't find required entry points, glXGetProcAddress glXDestroyContext glXSwapBuffers");
return eReplayCreate_APIInitFailed;
}
glXCreateContextAttribsProc = (PFNGLXCREATECONTEXTATTRIBSARBPROC)glXGetFuncProc((const GLubyte*)"glXCreateContextAttribsARB");
glXMakeContextCurrentProc = (PFNGLXMAKECONTEXTCURRENTPROC)glXGetFuncProc((const GLubyte*)"glXMakeContextCurrent");
if(glXCreateContextAttribsProc == NULL || glXMakeContextCurrentProc == NULL)
{
RDCERR("Couldn't get glx function addresses, glXCreateContextAttribsARB glXMakeContextCurrent");
return eReplayCreate_APIInitFailed;
}
}
GLInitParams initParams;
RDCDriver driverType = RDC_OpenGL;
wstring driverName = L"OpenGL";
if(logfile)
RenderDoc::Inst().FillInitParams(logfile, driverType, driverName, (RDCInitParams *)&initParams);
if(initParams.SerialiseVersion != GLInitParams::GL_SERIALISE_VERSION)
{
RDCERR("Incompatible OpenGL serialise version, expected %d got %d", GLInitParams::GL_SERIALISE_VERSION, initParams.SerialiseVersion);
return eReplayCreate_APIIncompatibleVersion;
}
int attribs[64] = {0};
int i=0;
attribs[i++] = GLX_CONTEXT_MAJOR_VERSION_ARB;
attribs[i++] = 4;
attribs[i++] = GLX_CONTEXT_MINOR_VERSION_ARB;
attribs[i++] = 3;
attribs[i++] = GLX_CONTEXT_FLAGS_ARB;
attribs[i++] = GLX_CONTEXT_DEBUG_BIT_ARB;
Display *dpy = XOpenDisplay(NULL);
if(dpy == NULL)
{
RDCERR("Couldn't open default X display");
return eReplayCreate_APIInitFailed;
}
// don't need to care about the fb config as we won't be using the default framebuffer (backbuffer)
static int visAttribs[] = { 0 };
int numCfgs = 0;
GLXFBConfig *fbcfg = glXChooseFBConfigProc(dpy, DefaultScreen(dpy), visAttribs, &numCfgs);
if(fbcfg == NULL)
{
XCloseDisplay(dpy);
RDCERR("Couldn't choose default framebuffer config");
return eReplayCreate_APIInitFailed;
}
GLXContext ctx = glXCreateContextAttribsProc(dpy, fbcfg[0], 0, true, attribs);
if(ctx == NULL)
{
XCloseDisplay(dpy);
RDCERR("Couldn't create 4.3 context - RenderDoc requires OpenGL 4.3 availability");
return eReplayCreate_APIHardwareUnsupported;
}
// don't care about pbuffer properties for same reason as backbuffer
int pbAttribs[] = { GLX_PBUFFER_WIDTH, 32, GLX_PBUFFER_HEIGHT, 32, 0 };
GLXPbuffer pbuffer = glXCreatePbufferProc(dpy, fbcfg[0], pbAttribs);
XFree(fbcfg);
Bool res = glXMakeContextCurrentProc(dpy, pbuffer, pbuffer, ctx);
if(!res)
{
glXDestroyPbufferProc(dpy, pbuffer);
glXDestroyCtxProc(dpy, ctx);
XCloseDisplay(dpy);
RDCERR("Couldn't make pbuffer & context current");
return eReplayCreate_APIInitFailed;
}
WrappedOpenGL *gl = new WrappedOpenGL(logfile, GetRealFunctions());
gl->Initialise(initParams);
RDCLOG("Created device.");
GLReplay *replay = gl->GetReplay();
replay->SetProxy(logfile == NULL);
GLWindowingData data;
data.dpy = dpy;
data.ctx = ctx;
data.wnd = pbuffer;
replay->SetReplayData(data);
*driver = (IReplayDriver *)replay;
return eReplayCreate_Success;
}
