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Reimplement context selection for linux

This commit is contained in:
Phillip Stephens 2016-02-15 09:53:54 -08:00
parent 8ce4e6ffd3
commit c82815c476
2 changed files with 68 additions and 7 deletions
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3
lib/graphicsdev/GL.cpp
View File

@ -824,6 +824,9 @@ struct GLCommandQueue : IGraphicsCommandQueue
self->m_parent->makeCurrent();
if (glewInit() != GLEW_OK)
Log.report(LogVisor::FatalError, "unable to init glew");
const GLubyte* version = glGetString(GL_VERSION);
SystemString v(reinterpret_cast<const char*>(version));
Log.report(LogVisor::Info, _S("OpenGL Version: %s"), v.c_str());
self->m_parent->postInit();
}
self->m_initcv.notify_one();

72
lib/x11/WindowXlib.cpp
View File

@ -50,14 +50,48 @@ typedef GLXContext (*glXCreateContextAttribsARBProc)(Display*, GLXFBConfig, GLXC
static glXCreateContextAttribsARBProc glXCreateContextAttribsARB = 0;
typedef int (*glXWaitVideoSyncSGIProc)(int divisor, int remainder, unsigned int* count);
static glXWaitVideoSyncSGIProc glXWaitVideoSyncSGI = 0;
static const int ContextAttribs[] =
static bool s_glxError;
static int ctxErrorHandler(Display *dpy, XErrorEvent *ev)
{
GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
s_glxError = true;
return 0;
}
static const std::vector<std::vector<int>> ContextAttribList =
{
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 5,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 4,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 3,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
//GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_DEBUG_BIT_ARB,
//GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB,
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 2,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 1,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 4,
GLX_CONTEXT_MINOR_VERSION_ARB, 0,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
{ GLX_CONTEXT_MAJOR_VERSION_ARB, 3,
GLX_CONTEXT_MINOR_VERSION_ARB, 3,
GLX_CONTEXT_FLAGS_ARB, GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
0
},
};
extern "C" const uint8_t MAINICON_NETWM[];
@ -393,7 +427,15 @@ public:
Log.report(LogVisor::FatalError, "unable to resolve glXWaitVideoSyncSGI");
}
m_glxCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_lastCtx, True, ContextAttribs);
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(&ctxErrorHandler);
for (const std::vector<int>& attribs : ContextAttribList)
{
m_glxCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_lastCtx, True, attribs.data());
if (m_glxCtx)
break;
}
XSetErrorHandler(oldHandler);
if (!m_glxCtx)
Log.report(LogVisor::FatalError, "unable to make new GLX context");
m_glxWindow = glXCreateWindow(m_xDisp, m_fbconfig, m_parentWindow->getPlatformHandle(), nullptr);
@ -482,7 +524,15 @@ public:
XLockDisplay(m_xDisp);
if (!m_mainCtx)
{
m_mainCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, True, ContextAttribs);
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(&ctxErrorHandler);
for (const std::vector<int>& attribs : ContextAttribList)
{
m_mainCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, True, attribs.data());
if (m_mainCtx)
break;
}
XSetErrorHandler(oldHandler);
if (!m_mainCtx)
Log.report(LogVisor::FatalError, "unable to make main GLX context");
}
@ -497,7 +547,15 @@ public:
XLockDisplay(m_xDisp);
if (!m_loadCtx)
{
m_loadCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, True, ContextAttribs);
s_glxError = false;
XErrorHandler oldHandler = XSetErrorHandler(&ctxErrorHandler);
for (const std::vector<int>& attribs : ContextAttribList)
{
m_loadCtx = glXCreateContextAttribsARB(m_xDisp, m_fbconfig, m_glxCtx, True, attribs.data());
if (m_loadCtx)
break;
}
XSetErrorHandler(oldHandler);
if (!m_loadCtx)
Log.report(LogVisor::FatalError, "unable to make load GLX context");
}