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Wayland: Fix EGL buffer swap blocking indefinitely

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This re-implements the wait for a surface frame that previously happened
inside EGL, so that we can add a reasonable timeout.  That allows
applications to make progress despite the window being suspended.

This initial implementation still has a race between glfwHideWindow and
glfwSwapBuffers when rendering on a separate thread.

Related to #1350
Related to #2582
Related to #2640
Related to #2719
Related to #2723
Related to #2800
This commit is contained in:
Camilla Löwy
2026-02-17 19:44:39 +01:00
parent e59b5e1fda
commit 413ba1dceb
7 changed files with 164 additions and 3 deletions
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src/wl_platform.h
+27
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@@ -53,6 +53,10 @@ typedef void (* PFN_wl_display_disconnect)(struct wl_display*);
typedef int (* PFN_wl_display_roundtrip)(struct wl_display*);
typedef int (* PFN_wl_display_get_fd)(struct wl_display*);
typedef int (* PFN_wl_display_prepare_read)(struct wl_display*);
typedef struct wl_event_queue* (* PFN_wl_display_create_queue)(struct wl_display*);
typedef void (* PFN_wl_event_queue_destroy)(struct wl_event_queue*);
typedef int (* PFN_wl_display_prepare_read_queue)(struct wl_display*,struct wl_event_queue*);
typedef int (* PFN_wl_display_dispatch_queue_pending)(struct wl_display*,struct wl_event_queue*);
typedef void (* PFN_wl_proxy_marshal)(struct wl_proxy*,uint32_t,...);
typedef int (* PFN_wl_proxy_add_listener)(struct wl_proxy*,void(**)(void),void*);
typedef void (* PFN_wl_proxy_destroy)(struct wl_proxy*);
@@ -64,6 +68,9 @@ typedef void (* PFN_wl_proxy_set_tag)(struct wl_proxy*,const char*const*);
typedef const char* const* (* PFN_wl_proxy_get_tag)(struct wl_proxy*);
typedef uint32_t (* PFN_wl_proxy_get_version)(struct wl_proxy*);
typedef struct wl_proxy* (* PFN_wl_proxy_marshal_flags)(struct wl_proxy*,uint32_t,const struct wl_interface*,uint32_t,uint32_t,...);
typedef void* (* PFN_wl_proxy_create_wrapper)(void*);
typedef void (* PFN_wl_proxy_wrapper_destroy)(void*);
typedef void (* PFN_wl_proxy_set_queue)(struct wl_proxy*,struct wl_event_queue*);
#define wl_display_flush _glfw.wl.client.display_flush
#define wl_display_cancel_read _glfw.wl.client.display_cancel_read
#define wl_display_dispatch_pending _glfw.wl.client.display_dispatch_pending
@@ -72,6 +79,10 @@ typedef struct wl_proxy* (* PFN_wl_proxy_marshal_flags)(struct wl_proxy*,uint32_
#define wl_display_roundtrip _glfw.wl.client.display_roundtrip
#define wl_display_get_fd _glfw.wl.client.display_get_fd
#define wl_display_prepare_read _glfw.wl.client.display_prepare_read
#define wl_display_create_queue _glfw.wl.client.display_create_queue
#define wl_display_prepare_read_queue _glfw.wl.client.display_prepare_read_queue
#define wl_display_dispatch_queue_pending _glfw.wl.client.display_dispatch_queue_pending
#define wl_event_queue_destroy _glfw.wl.client.event_queue_destroy
#define wl_proxy_marshal _glfw.wl.client.proxy_marshal
#define wl_proxy_add_listener _glfw.wl.client.proxy_add_listener
#define wl_proxy_destroy _glfw.wl.client.proxy_destroy
@@ -83,6 +94,9 @@ typedef struct wl_proxy* (* PFN_wl_proxy_marshal_flags)(struct wl_proxy*,uint32_
#define wl_proxy_set_tag _glfw.wl.client.proxy_set_tag
#define wl_proxy_get_version _glfw.wl.client.proxy_get_version
#define wl_proxy_marshal_flags _glfw.wl.client.proxy_marshal_flags
#define wl_proxy_create_wrapper _glfw.wl.client.proxy_create_wrapper
#define wl_proxy_wrapper_destroy _glfw.wl.client.proxy_wrapper_destroy
#define wl_proxy_set_queue _glfw.wl.client.proxy_set_queue
struct wl_shm;
struct wl_output;
@@ -366,7 +380,11 @@ typedef struct _GLFWwindowWayland
struct wl_callback* callback;
struct {
struct wl_event_queue* queue;
struct wl_egl_window* window;
struct wl_callback* callback;
struct wl_surface* wrapper;
int interval;
} egl;
struct {
@@ -537,6 +555,10 @@ typedef struct _GLFWlibraryWayland
PFN_wl_display_roundtrip display_roundtrip;
PFN_wl_display_get_fd display_get_fd;
PFN_wl_display_prepare_read display_prepare_read;
PFN_wl_display_create_queue display_create_queue;
PFN_wl_display_prepare_read_queue display_prepare_read_queue;
PFN_wl_display_dispatch_queue_pending display_dispatch_queue_pending;
PFN_wl_event_queue_destroy event_queue_destroy;
PFN_wl_proxy_marshal proxy_marshal;
PFN_wl_proxy_add_listener proxy_add_listener;
PFN_wl_proxy_destroy proxy_destroy;
@@ -548,6 +570,9 @@ typedef struct _GLFWlibraryWayland
PFN_wl_proxy_set_tag proxy_set_tag;
PFN_wl_proxy_get_version proxy_get_version;
PFN_wl_proxy_marshal_flags proxy_marshal_flags;
PFN_wl_proxy_create_wrapper proxy_create_wrapper;
PFN_wl_proxy_wrapper_destroy proxy_wrapper_destroy;
PFN_wl_proxy_set_queue proxy_set_queue;
} client;
struct {
@@ -706,3 +731,5 @@ void _glfwUpdateBufferScaleFromOutputsWayland(_GLFWwindow* window);
void _glfwAddSeatListenerWayland(struct wl_seat* seat);
void _glfwAddDataDeviceListenerWayland(struct wl_data_device* device);
GLFWbool _glfwWaitForEGLFrameWayland(_GLFWwindow* window);