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gl: Split out function

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This splits feature checks into its own function.

Which in turn allows splitting the check from the actual reaction to the
flags.
This commit is contained in:
Benjamin Otte 2024-03-16 11:49:51 +01:00
parent 802110bfe5
commit d6a1eb1b2f
1 changed files with 45 additions and 34 deletions
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79
gdk/gdkglcontext.c
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@ -1661,6 +1661,40 @@ gdk_gl_version_init_epoxy (GdkGLVersion *version)
*version = GDK_GL_VERSION_INIT (epoxy_version / 10, epoxy_version % 10);
}
static GdkGLFeatures
gdk_gl_context_check_features (GdkGLContext *context)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (context);
GdkGLFeatures features = 0;
if (gdk_gl_context_get_use_es (context))
{
if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 0)) ||
epoxy_has_gl_extension ("GL_EXT_unpack_subimage"))
features |= GDK_GL_FEATURE_UNPACK_SUBIMAGE;
if (epoxy_has_gl_extension ("GL_EXT_texture_format_BGRA8888"))
features |= GDK_GL_FEATURE_BGRA;
}
else
{
features |= GDK_GL_FEATURE_UNPACK_SUBIMAGE | GDK_GL_FEATURE_BGRA;
}
if (epoxy_has_gl_extension ("GL_KHR_debug"))
features |= GDK_GL_FEATURE_DEBUG;
if (gdk_gl_context_check_version (context, "3.0", "3.0") ||
epoxy_has_gl_extension ("GL_OES_vertex_half_float"))
features |= GDK_GL_FEATURE_VERTEX_HALF_FLOAT;
if (gdk_gl_context_check_version (context, "3.2", "3.0") ||
epoxy_has_gl_extension ("GL_ARB_sync") ||
epoxy_has_gl_extension ("GL_APPLE_sync"))
features |= GDK_GL_FEATURE_SYNC;
return features;
}
static void
gdk_gl_context_check_extensions (GdkGLContext *context)
{
@ -1687,44 +1721,21 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
glDebugMessageCallback (gl_debug_message_callback, NULL);
}
if (gdk_gl_context_get_use_es (context))
{
if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 0)) ||
epoxy_has_gl_extension ("GL_EXT_unpack_subimage"))
priv->features |= GDK_GL_FEATURE_UNPACK_SUBIMAGE;
if (epoxy_has_gl_extension ("GL_EXT_texture_format_BGRA8888"))
priv->features |= GDK_GL_FEATURE_BGRA;
}
else
{
priv->features |= GDK_GL_FEATURE_UNPACK_SUBIMAGE | GDK_GL_FEATURE_BGRA;
/* If we asked for a core profile, but didn't get one, we're in legacy mode */
if (!gdk_gl_context_get_use_es (context) &&
!gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 2)))
priv->is_legacy = TRUE;
/* We asked for a core profile, but we didn't get one, so we're in legacy mode */
if (!gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 2)))
priv->is_legacy = TRUE;
}
if (epoxy_has_gl_extension ("GL_KHR_debug"))
{
priv->features |= GDK_GL_FEATURE_DEBUG;
if (gl_debug)
{
priv->use_khr_debug = TRUE;
glGetIntegerv (GL_MAX_LABEL_LENGTH, &priv->max_debug_label_length);
}
}
if (gdk_gl_context_check_version (context, "3.0", "3.0") ||
epoxy_has_gl_extension ("GL_OES_vertex_half_float"))
priv->features |= GDK_GL_FEATURE_VERTEX_HALF_FLOAT;
if (gdk_gl_context_check_version (context, "3.2", "3.0") ||
epoxy_has_gl_extension ("GL_ARB_sync") ||
epoxy_has_gl_extension ("GL_APPLE_sync"))
priv->features |= GDK_GL_FEATURE_SYNC;
priv->features = gdk_gl_context_check_features (context);
gdk_gl_context_init_memory_flags (context);
if ((priv->features & GDK_GL_FEATURE_DEBUG) && gl_debug)
{
priv->use_khr_debug = TRUE;
glGetIntegerv (GL_MAX_LABEL_LENGTH, &priv->max_debug_label_length);
}
{
int max_texture_size;
glGetIntegerv (GL_MAX_TEXTURE_SIZE, &max_texture_size);