gl-renderer: add support for EGL_KHR_swap_buffers_with_damage
Extension is identical to the EXT one, yet we need to check for the KHR
abbreviated extension name + entry-point.
v2: s/foo/swap_damage_ext_to_entrypoint/ (Eric, Daniel)
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> (v1)
Reviewed-by: Daniel Stone <daniels@collabora.com>
diff --git a/libweston/gl-renderer.c b/libweston/gl-renderer.c
index 2f46373..d072caf 100644
--- a/libweston/gl-renderer.c
+++ b/libweston/gl-renderer.c
@@ -2812,6 +2812,18 @@
static int
gl_renderer_setup_egl_extensions(struct weston_compositor *ec)
{
+ static const struct {
+ char *extension, *entrypoint;
+ } swap_damage_ext_to_entrypoint[] = {
+ {
+ .extension = "EGL_EXT_swap_buffers_with_damage",
+ .entrypoint = "eglSwapBuffersWithDamageEXT",
+ },
+ {
+ .extension = "EGL_KHR_swap_buffers_with_damage",
+ .entrypoint = "eglSwapBuffersWithDamageKHR",
+ },
+ };
struct gl_renderer *gr = get_renderer(ec);
const char *extensions;
EGLBoolean ret;
@@ -2846,12 +2858,20 @@
weston_log("warning: EGL_EXT_buffer_age not supported. "
"Performance could be affected.\n");
- if (weston_check_egl_extension(extensions, "EGL_EXT_swap_buffers_with_damage"))
- gr->swap_buffers_with_damage =
- (void *) eglGetProcAddress("eglSwapBuffersWithDamageEXT");
- else
- weston_log("warning: EGL_EXT_swap_buffers_with_damage not "
- "supported. Performance could be affected.\n");
+ for (unsigned i = 0; i < ARRAY_LENGTH(swap_damage_ext_to_entrypoint); i++) {
+ if (weston_check_egl_extension(extensions,
+ swap_damage_ext_to_entrypoint[i].extension)) {
+ gr->swap_buffers_with_damage =
+ (void *) eglGetProcAddress(
+ swap_damage_ext_to_entrypoint[i].entrypoint);
+ break;
+ }
+ }
+ if (!gr->swap_buffers_with_damage)
+ weston_log("warning: neither %s or %s is supported. "
+ "Performance could be affected.\n",
+ swap_damage_ext_to_entrypoint[0].extension,
+ swap_damage_ext_to_entrypoint[1].extension);
if (weston_check_egl_extension(extensions, "EGL_KHR_no_config_context") ||
weston_check_egl_extension(extensions, "EGL_MESA_configless_context"))