glarea: Synchronize

Create a fence object and pass it along when
creating the GL texture, so that the GL renderer
can wait for the texture to be ready.
This commit is contained in:
Matthias Clasen 2023-01-28 11:04:10 -05:00 committed by Benjamin Otte
parent 8292b846d5
commit bec0afa61b

View File

@ -32,6 +32,8 @@
#include "gtksnapshot.h"
#include "gtkrenderlayoutprivate.h"
#include "gtkcssnodeprivate.h"
#include "gdk/gdkgltextureprivate.h"
#include "gdk/gdkglcontextprivate.h"
#include <epoxy/gl.h>
@ -697,6 +699,15 @@ static void
release_texture (gpointer data)
{
Texture *texture = data;
gpointer sync;
sync = gdk_gl_texture_builder_get_sync (texture->builder);
if (sync)
{
glDeleteSync (sync);
gdk_gl_texture_builder_set_sync (texture->builder, NULL);
}
texture->holder = NULL;
}
@ -742,6 +753,7 @@ gtk_gl_area_snapshot (GtkWidget *widget,
if (status == GL_FRAMEBUFFER_COMPLETE)
{
Texture *texture;
gpointer sync = NULL;
if (priv->needs_render || priv->auto_render)
{
@ -760,6 +772,11 @@ gtk_gl_area_snapshot (GtkWidget *widget,
priv->texture = NULL;
priv->textures = g_list_prepend (priv->textures, texture);
if (gdk_gl_context_has_sync (priv->context))
sync = glFenceSync (GL_SYNC_GPU_COMMANDS_COMPLETE, 0);
gdk_gl_texture_builder_set_sync (texture->builder, sync);
texture->holder = gdk_gl_texture_builder_build (texture->builder,
release_texture,
texture);