AuroraMiddleware/gtk
1
0
Fork 1
mirror of https://gitlab.gnome.org/GNOME/gtk.git synced 2024-12-26 05:31:07 +00:00
Code Issues Projects Releases Wiki Activity

mac: Try all different OpenGL profiles

Browse Source 
.. and pick the best one that is supported.

Also make sure that the resulting context has at least the desired
version, otherwise bail.
This commit is contained in:
Benjamin Otte 2023-04-25 22:16:27 +02:00
parent 5f833f1d31
commit d33b82249b
1 changed files with 27 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
gdk/macos/gdkmacosglcontext.c
View File

@ -327,7 +327,7 @@ create_pixel_format (GdkGLVersion *version,
GError **error)
{
CGLPixelFormatAttribute attrs[] = {
kCGLPFAOpenGLProfile, (CGLPixelFormatAttribute)kCGLOGLPVersion_Legacy,
kCGLPFAOpenGLProfile, 0,
kCGLPFAAllowOfflineRenderers, /* allow sharing across GPUs */
kCGLPFADepthSize, 0,
kCGLPFAStencilSize, 0,
@ -338,11 +338,21 @@ create_pixel_format (GdkGLVersion *version,
CGLPixelFormatObj format = NULL;
GLint n_format = 1;
if (gdk_gl_version_get_major (version) == 3)
attrs[1] = (CGLPixelFormatAttribute)kCGLOGLPVersion_GL3_Core;
else
attrs[1] = (CGLPixelFormatAttribute)kCGLOGLPVersion_GL4_Core;
if (gdk_gl_version_get_major (version) >= 4)
{
attrs[1] = (CGLPixelFormatAttribute)kCGLOGLPVersion_GL4_Core;
if (CGLChoosePixelFormat (attrs, &format, &n_format))
return g_steal_pointer (&format);
}
if (gdk_gl_version_greater_equal (version, &GDK_GL_MIN_GL_VERSION))
{
attrs[1] = (CGLPixelFormatAttribute)kCGLOGLPVersion_GL3_Core;
if (CGLChoosePixelFormat (attrs, &format, &n_format))
return g_steal_pointer (&format);
}
attrs[1] = (CGLPixelFormatAttribute) kCGLOGLPVersion_Legacy;
if (!CHECK (error, CGLChoosePixelFormat (attrs, &format, &n_format)))
return NULL;
@ -365,7 +375,7 @@ gdk_macos_gl_context_real_realize (GdkGLContext *context,
GLint validate = 0;
GLint renderer_id = 0;
GLint swapRect[4];
GdkGLVersion version;
GdkGLVersion min_version, version;
g_assert (GDK_IS_MACOS_GL_CONTEXT (self));
@ -399,9 +409,9 @@ gdk_macos_gl_context_real_realize (GdkGLContext *context,
GDK_DISPLAY_DEBUG (display, OPENGL,
"Creating CGLContextObj (version %d.%d)",
gdk_gl_version_get_major (&version), gdk_gl_version_get_minor (&version));
gdk_gl_version_get_major (&min_version), gdk_gl_version_get_minor (&min_version));
if (!(pixelFormat = create_pixel_format (&version, error)))
if (!(pixelFormat = create_pixel_format (&min_version, error)))
return 0;
if (!CHECK (error, CGLCreateContext (pixelFormat, shared_gl_context, &cgl_context)))
@ -413,6 +423,13 @@ gdk_macos_gl_context_real_realize (GdkGLContext *context,
CGLSetCurrentContext (cgl_context);
CGLReleasePixelFormat (pixelFormat);
gdk_gl_version_init_epoxy (&version);
if (!gdk_gl_version_greater_equal (&version, &min_version))
{
CGLReleaseContext (cgl_context);
return 0;
}
if (validate)
CHECK (NULL, CGLEnable (cgl_context, kCGLCEStateValidation));
@ -444,6 +461,8 @@ gdk_macos_gl_context_real_realize (GdkGLContext *context,
cgl_context,
get_renderer_name (renderer_id));
gdk_gl_context_set_version (context, &version);
self->cgl_context = g_steal_pointer (&cgl_context);
if (existing != NULL)