diff --git a/gdk/win32/gdkglcontext-win32.c b/gdk/win32/gdkglcontext-win32.c index 8e3094ec92..b8fe1126a6 100644 --- a/gdk/win32/gdkglcontext-win32.c +++ b/gdk/win32/gdkglcontext-win32.c @@ -405,7 +405,12 @@ _gdk_win32_display_init_gl (GdkDisplay *display, } static HGLRC -_create_gl_context (HDC hdc, GdkGLContext *share, GdkGLProfile profile) +_create_gl_context (HDC hdc, + GdkGLContext *share, + GdkGLProfile profile, + int flags, + int major, + int minor) { HGLRC hglrc; @@ -420,8 +425,9 @@ _create_gl_context (HDC hdc, GdkGLContext *share, GdkGLProfile profile) gint attribs[] = { WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB, - WGL_CONTEXT_MAJOR_VERSION_ARB, 3, - WGL_CONTEXT_MINOR_VERSION_ARB, 2, + WGL_CONTEXT_MAJOR_VERSION_ARB, major, + WGL_CONTEXT_MINOR_VERSION_ARB, minor, + WGL_CONTEXT_FLAGS_ARB, flags, 0 }; @@ -442,7 +448,9 @@ _create_gl_context (HDC hdc, GdkGLContext *share, GdkGLProfile profile) else { /* for legacy WGL, we can't share lists during context creation, - * so do so immediately afterwards + * so do so immediately afterwards. + * The flags, and major and minor versions of WGL to request + * for are ignored for a legacy context. */ if (share != NULL) { @@ -497,18 +505,51 @@ _gdk_win32_gl_context_realize (GdkGLContext *context, return FALSE; } + /* GDK_GL_PROFILE_DEFAULT is the same as GDK_GL_PROFILE_LEGACY for now */ + if (profile == GDK_GL_PROFILE_DEFAULT) + profile = GDK_GL_PROFILE_LEGACY; + if (profile == GDK_GL_PROFILE_3_2_CORE) - GDK_NOTE (OPENGL, g_print ("Creating core WGL context\n")); + { + gboolean debug_bit, compat_bit; + + /* request flags and specific versions for core (3.2+) WGL context */ + gint flags = 0; + gint glver_major = 0; + gint glver_minor = 0; + + gdk_gl_context_get_required_version (context, &glver_major, &glver_minor); + debug_bit = gdk_gl_context_get_debug_enabled (context); + compat_bit = gdk_gl_context_get_forward_compatible (context); + + if (debug_bit) + flags |= WGL_CONTEXT_DEBUG_BIT_ARB; + if (compat_bit) + flags |= WGL_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB; + + GDK_NOTE (OPENGL, + g_print ("Creating core WGL context (version:%d.%d, debug:%s, forward:%s)\n", + major, minor, + debug_bit ? "yes" : "no", + compat_bit ? "yes" : "no")); + + hglrc = _create_gl_context (context_win32->gl_hdc, + share, + profile, + flags, + glver_major, + glver_minor); + } else { - /* GDK_GL_PROFILE_DEFAULT is the same as GDK_GL_PROFILE_LEGACY for now */ GDK_NOTE (OPENGL, g_print ("Creating legacy WGL context\n")); - profile = GDK_GL_PROFILE_LEGACY; - } - hglrc = _create_gl_context (context_win32->gl_hdc, - share, - profile); + /* flags, glver_major, glver_minor are ignored unless we are using WGL 3.2+ core contexts */ + hglrc = _create_gl_context (context_win32->gl_hdc, + share, + profile, + 0, 0, 0); + } if (hglrc == NULL) {