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glcontext: Add GdkGLContext::allowed-apis

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This allows specifying the GL APIs in a more comprehensive way than
gdk_gl_context_set_use_es().
This commit is contained in:
Benjamin Otte 2021-10-07 17:59:17 +02:00
parent 76420d7146
commit c6dd3c11fa
2 changed files with 112 additions and 8 deletions
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101
gdk/gdkglcontext.c
View File

@ -94,6 +94,8 @@
#include <epoxy/egl.h>
#endif
#define DEFAULT_ALLOWED_APIS GDK_GL_API_GL | GDK_GL_API_GLES
typedef struct {
int major;
int minor;
@ -109,6 +111,7 @@ typedef struct {
guint forward_compatible : 1;
guint is_legacy : 1;
GdkGLAPI allowed_apis;
int use_es;
int max_debug_label_length;
@ -121,12 +124,13 @@ typedef struct {
enum {
PROP_0,
PROP_ALLOWED_APIS,
PROP_SHARED_CONTEXT,
LAST_PROP
};
static GParamSpec *obj_pspecs[LAST_PROP] = { NULL, };
static GParamSpec *properties[LAST_PROP] = { NULL, };
G_DEFINE_QUARK (gdk-gl-error-quark, gdk_gl_error)
@ -195,36 +199,49 @@ gdk_gl_context_dispose (GObject *gobject)
}
static void
gdk_gl_context_set_property (GObject *gobject,
gdk_gl_context_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GdkGLContext *self = GDK_GL_CONTEXT (object);
switch (prop_id)
{
case PROP_ALLOWED_APIS:
gdk_gl_context_set_allowed_apis (self, g_value_get_flags (value));
break;
case PROP_SHARED_CONTEXT:
g_assert (g_value_get_object (value) == NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
gdk_gl_context_get_property (GObject *gobject,
gdk_gl_context_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GdkGLContext *self = GDK_GL_CONTEXT (object);
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (self);
switch (prop_id)
{
case PROP_ALLOWED_APIS:
g_value_set_flags (value, priv->allowed_apis);
break;
case PROP_SHARED_CONTEXT:
g_value_set_object (value, NULL);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
@ -716,7 +733,7 @@ gdk_gl_context_class_init (GdkGLContextClass *klass)
* Deprecated: 4.4: Use [method@Gdk.GLContext.is_shared] to check if contexts
* can be shared.
*/
obj_pspecs[PROP_SHARED_CONTEXT] =
properties[PROP_SHARED_CONTEXT] =
g_param_spec_object ("shared-context",
P_("Shared context"),
P_("The GL context this context shares data with"),
@ -726,11 +743,28 @@ gdk_gl_context_class_init (GdkGLContextClass *klass)
G_PARAM_STATIC_STRINGS |
G_PARAM_DEPRECATED);
/**
* GdkGLContext:allowed-apis: (attributes org.gtk.Property.get=gdk_gl_context_get_allowed_apis org.gtk.Property.gdk_gl_context_set_allowed_apis)
*
* The allowed APIs.
*
* Since: 4.6
*/
properties[PROP_ALLOWED_APIS] =
g_param_spec_flags ("allowed-apis",
P_("Allowed APIs"),
P_("The list of allowed APIs for this context"),
GDK_TYPE_GL_API,
DEFAULT_ALLOWED_APIS,
G_PARAM_READWRITE |
G_PARAM_STATIC_STRINGS |
G_PARAM_EXPLICIT_NOTIFY);
gobject_class->set_property = gdk_gl_context_set_property;
gobject_class->get_property = gdk_gl_context_get_property;
gobject_class->dispose = gdk_gl_context_dispose;
g_object_class_install_properties (gobject_class, LAST_PROP, obj_pspecs);
g_object_class_install_properties (gobject_class, LAST_PROP, properties);
}
static void
@ -738,7 +772,7 @@ gdk_gl_context_init (GdkGLContext *self)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (self);
priv->use_es = -1;
priv->allowed_apis = DEFAULT_ALLOWED_APIS;
}
/* Must have called gdk_display_prepare_gl() before */
@ -1142,6 +1176,57 @@ gdk_gl_context_is_shared (GdkGLContext *self,
return GDK_GL_CONTEXT_GET_CLASS (self)->is_shared (self, other);
}
/**
* gdk_gl_context_set_allowed_apis: (attributes org.gtk.Method.set_property=allowed-apis)
* @self: a GL context
* @apis: the allowed APIs
*
* Sets the allowed APIs. When gdk_gl_context_realize() is called, only the
* allowed APIs will be tried. If you set this to 0, realizing will always fail.
*
* If you set it on a realized context, the property will not have any effect.
* It is only relevant during gdk_gl_context_realize().
*
* By default, all APIs are allowed.
*
* Since: 4.6
**/
void
gdk_gl_context_set_allowed_apis (GdkGLContext *self,
GdkGLAPI apis)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (self);
g_return_if_fail (GDK_IS_GL_CONTEXT (self));
if (priv->allowed_apis == apis)
return;
priv->allowed_apis = apis;
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_ALLOWED_APIS]);
}
/**
* gdk_gl_context_get_allowed_apis: (attributes org.gtk.Method.get_property=allowed-apis)
* @self: a GL context
*
* Gets the allowed APIs set via gdk_gl_context_set_allowed_apis().
*
* Returns: the allowed APIs
*
* Since: 4.6
**/
GdkGLAPI
gdk_gl_context_get_allowed_apis (GdkGLContext *self)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (self);
g_return_val_if_fail (GDK_IS_GL_CONTEXT (self), 0);
return priv->allowed_apis;
}
/**
* gdk_gl_context_set_use_es:
* @context: a `GdkGLContext`

19
gdk/gdkglcontext.h
View File

@ -30,6 +30,20 @@
G_BEGIN_DECLS
/**
* GdkGLAPI:
* @GDK_GL_API_GL: The OpenGL API
* @GDK_GL_API_GLES: The OpenGL ES API
*
* The list of the different APIs that GdkGLContext can potentially support.
*
* Since: 4.6
*/
typedef enum { /*< underscore_name=GDK_GL_API >*/
GDK_GL_API_GL = 1 << 0,
GDK_GL_API_GLES = 1 << 1
} GdkGLAPI;
#define GDK_TYPE_GL_CONTEXT (gdk_gl_context_get_type ())
#define GDK_GL_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GDK_TYPE_GL_CONTEXT, GdkGLContext))
#define GDK_IS_GL_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GDK_TYPE_GL_CONTEXT))
@ -76,6 +90,11 @@ void gdk_gl_context_set_forward_compatible (GdkGLContext *
gboolean compatible);
GDK_AVAILABLE_IN_ALL
gboolean gdk_gl_context_get_forward_compatible (GdkGLContext *context);
GDK_AVAILABLE_IN_4_6
void gdk_gl_context_set_allowed_apis (GdkGLContext *self,
GdkGLAPI apis);
GDK_AVAILABLE_IN_4_6
GdkGLAPI gdk_gl_context_get_allowed_apis (GdkGLContext *self);
GDK_AVAILABLE_IN_ALL
void gdk_gl_context_set_use_es (GdkGLContext *context,
int use_es);