On 5 January 2015 at 17:17, Matteo Bruni <mbruni(a)codeweavers.com> wrote:
static BOOL has_extension( const char *list, const char *ext, size_t len ) { + if (!list) + { + const struct opengl_funcs *funcs = NtCurrentTeb()->glTable; + const char *gl_ext; + unsigned int i; + GLint extensions_count; + + glGetIntegerv(GL_NUM_EXTENSIONS, &extensions_count); + for (i = 0; i < extensions_count; ++i) + { + gl_ext = (const char *)funcs->ext.p_glGetStringi(GL_EXTENSIONS, i); + if (!strncmp(gl_ext, ext, len) && !gl_ext[len]) + return TRUE; + } + return FALSE; + } + If I'm reading this correctly, this effectively ignores DisabledExtensions for anything newer than GL 3.0. (And at least as far as wglGetProcAddress() is concerned it affects both compatibility and core contexts.)
+ gl_version = (const char *)glGetString(GL_VERSION); + sscanf(gl_version, "%u", &major); + if (major >= 3) + { It seems tempting to just flag the context in wglCreateContextAttribsARB() under the appropriate conditions, perhaps in a similar way to wgl_handle_type. Not sure if it would really make it better though.
As an aside, note that winex11.drv also uses "glGetString(GL_EXTENSIONS);" in X11DRV_WineGL_InitOpenglInfo().