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glcontext: Add gdk_gl_context_get_glsl_version_string()

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This is in preparation for the new renderer.
This commit is contained in:
Benjamin Otte 2023-08-29 12:59:26 +02:00
parent 9c636a6136
commit e720008dca
2 changed files with 52 additions and 0 deletions
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50
gdk/gdkglcontext.c
View File

@ -1715,6 +1715,56 @@ gdk_gl_context_get_version (GdkGLContext *context,
*minor = gdk_gl_version_get_minor (&priv->gl_version); *minor = gdk_gl_version_get_minor (&priv->gl_version);
} }
const char *
gdk_gl_context_get_glsl_version_string (GdkGLContext *self)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (self);
if (priv->api == GDK_GL_API_GL)
{
if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 6)))
return "#version 460";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 5)))
return "#version 450";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 4)))
return "#version 440";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 3)))
return "#version 430";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 2)))
return "#version 420";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 1)))
return "#version 410";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (4, 0)))
return "#version 400";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 3)))
return "#version 330";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 2)))
return "#version 150";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 1)))
return "#version 140";
else
return "#version 130";
}
else if (priv->api == GDK_GL_API_GLES)
{
if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 2)))
return "#version 320 es";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 1)))
return "#version 310 es";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 0)))
return "#version 300 es";
else if (gdk_gl_version_greater_equal (&priv->gl_version, &GDK_GL_VERSION_INIT (3, 0)))
return "#version 300 es";
else
return "#version 100";
}
else
{
/* must be realized to be called */
g_assert_not_reached ();
}
}
/** /**
* gdk_gl_context_clear_current: * gdk_gl_context_clear_current:
* *

2
gdk/gdkglcontextprivate.h
View File

@ -147,6 +147,8 @@ void gdk_gl_context_label_object_printf (GdkGLContext
const char *format, const char *format,
...) G_GNUC_PRINTF (4, 5); ...) G_GNUC_PRINTF (4, 5);
const char * gdk_gl_context_get_glsl_version_string (GdkGLContext *self);
gboolean gdk_gl_context_has_debug (GdkGLContext *self) G_GNUC_PURE; gboolean gdk_gl_context_has_debug (GdkGLContext *self) G_GNUC_PURE;
gboolean gdk_gl_context_use_es_bgra (GdkGLContext *context); gboolean gdk_gl_context_use_es_bgra (GdkGLContext *context);