#include <windows.h>
#include <GL/gl.h>
#include <GL/wglext.h>
+#include <msp/strings/lexicalcast.h>
+#include <msp/strings/utils.h>
#include "glcontext.h"
#include "window_private.h"
SetPixelFormat(dc, pf_index, &pfd);
priv = new Private;
- if(opts.forward_compatible || opts.gl_version_major)
+ if(opts.forward_compatible || opts.gl_version_major!=DEFAULT_VERSION)
{
ContextHandle fake_context = wglCreateContext(dc);
wglMakeCurrent(dc, fake_context);
if(!wglCreateContextAttribs)
throw unsupported_gl_mode(opts);
+ unsigned gl_version_major = opts.gl_version_major;
+ unsigned gl_version_minor = opts.gl_version_minor;
+ if(opts.gl_version_major==GLOptions::LATEST_VERSION)
+ {
+ const char *gl_ver_ptr = reinterpret_cast<const char *>(glGetString(GL_VERSION));
+ if(!gl_ver_ptr)
+ throw unsupported_gl_mode(opts);
+
+ string gl_ver = gl_ver_ptr;
+ vector<string> parts = split(gl_ver.substr(0, gl_ver.find(' ')), '.');
+
+ gl_version_major = lexical_cast<unsigned>(parts[0]);
+ gl_version_minor = lexical_cast<unsigned>(parts[1]);
+ }
+
vector<int> ctx_attribs;
if(opts.forward_compatible)
if(opts.gl_version_major)
{
ctx_attribs.push_back(WGL_CONTEXT_MAJOR_VERSION_ARB);
- ctx_attribs.push_back(opts.gl_version_major);
+ ctx_attribs.push_back(gl_version_major);
ctx_attribs.push_back(WGL_CONTEXT_MINOR_VERSION_ARB);
- ctx_attribs.push_back(opts.gl_version_minor);
+ ctx_attribs.push_back(gl_version_minor);
}
ctx_attribs.push_back(0);