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glcontext: Add a way to check for fence sync

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This commit is contained in:
Matthias Clasen
2023-04-26 11:59:51 +02:00
parent 57a75f760d
commit 7fe48792ee
2 changed files with 19 additions and 2 deletions
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19
gdk/gdkglcontext.c
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@@ -106,6 +106,7 @@ typedef struct {
guint has_khr_debug : 1;
guint use_khr_debug : 1;
guint has_half_float : 1;
guint has_fence_sync : 1;
guint has_unpack_subimage : 1;
guint has_debug_output : 1;
guint extensions_checked : 1;
@@ -1557,6 +1558,10 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
priv->has_half_float = gdk_gl_context_check_version (context, 3, 0, 3, 0) ||
epoxy_has_gl_extension ("OES_vertex_half_float");
priv->has_fence_sync = gdk_gl_context_check_version (context, 3, 2, 3, 0) ||
epoxy_has_gl_extension ("GL_ARB_sync") ||
epoxy_has_gl_extension ("GK_APPLE_sync");
#ifdef G_ENABLE_DEBUG
{
int max_texture_size;
@@ -1568,7 +1573,8 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
"* Extensions checked:\n"
" - GL_KHR_debug: %s\n"
" - GL_EXT_unpack_subimage: %s\n"
" - OES_vertex_half_float: %s",
" - half float: %s\n"
" - fence sync: %s",
gdk_gl_context_get_use_es (context) ? "OpenGL ES" : "OpenGL",
priv->gl_version / 10, priv->gl_version % 10,
priv->is_legacy ? "legacy" : "core",
@@ -1576,7 +1582,8 @@ gdk_gl_context_check_extensions (GdkGLContext *context)
max_texture_size,
priv->has_khr_debug ? "yes" : "no",
priv->has_unpack_subimage ? "yes" : "no",
priv->has_half_float ? "yes" : "no");
priv->has_half_float ? "yes" : "no",
priv->has_fence_sync ? "yes" : "no");
}
#endif
@@ -1808,6 +1815,14 @@ gdk_gl_context_has_vertex_half_float (GdkGLContext *self)
return priv->has_half_float;
}
gboolean
gdk_gl_context_has_fence_sync (GdkGLContext *self)
{
GdkGLContextPrivate *priv = gdk_gl_context_get_instance_private (self);
return priv->has_fence_sync;
}
/* This is currently private! */
/* When using GL/ES, don't flip the 'R' and 'B' bits on Windows/ANGLE for glReadPixels() */
gboolean

2
gdk/gdkglcontextprivate.h
View File

@@ -162,6 +162,8 @@ gboolean gdk_gl_context_use_es_bgra (GdkGLContext
gboolean gdk_gl_context_has_vertex_half_float (GdkGLContext *self) G_GNUC_PURE;
gboolean gdk_gl_context_has_fence_sync (GdkGLContext *self) G_GNUC_PURE;
double gdk_gl_context_get_scale (GdkGLContext *self);
G_END_DECLS