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- Use c_uint32 for EGLboolean return type (unsigned int per EGL spec, not _Bool)
- Try all enumerated EGL devices in order rather than only the first;
  skip devices where eglGetPlatformDisplayEXT or eglInitialize fails
This commit is contained in:
sam-kpm 2026-04-08 18:59:03 -06:00
parent e24d0f0ad1
commit 9e28569a00
1 changed files with 19 additions and 11 deletions
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30
comfy_extras/nodes_glsl.py
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@ -221,8 +221,9 @@ def _egl_device_display(eglInitialize):
_query_devices_ptr = _get_proc(b"eglQueryDevicesEXT")
if not _query_devices_ptr:
raise RuntimeError("eglQueryDevicesEXT not available — install libnvidia-egl-gbm1 or libegl-mesa0")
# EGLboolean is unsigned int (32-bit) in the EGL spec, not C99 _Bool.
_query_devices = ctypes.CFUNCTYPE(
ctypes.c_bool,
ctypes.c_uint32,
ctypes.c_int32, ctypes.POINTER(ctypes.c_void_p), ctypes.POINTER(ctypes.c_int32),
)(_query_devices_ptr)
@ -243,17 +244,24 @@ def _egl_device_display(eglInitialize):
logger.debug(f"_egl_device_display: found {count.value} EGL device(s)")
EGL_PLATFORM_DEVICE_EXT = 0x313F
raw_display = _get_platform_display(EGL_PLATFORM_DEVICE_EXT, raw_devices[0], None)
if not raw_display:
raise RuntimeError("eglGetPlatformDisplayEXT() returned NULL")
# Cast the raw pointer to the opaque EGLDisplay type (c_void_p) that PyOpenGL uses.
display = ctypes.c_void_p(raw_display)
# Try each device in order; some may not support eglInitialize (e.g. non-render nodes).
for i, raw_device in enumerate(raw_devices[:count.value]):
raw_display = _get_platform_display(EGL_PLATFORM_DEVICE_EXT, raw_device, None)
if not raw_display:
logger.debug(f"_egl_device_display: device {i} eglGetPlatformDisplayEXT returned NULL, skipping")
continue
# Cast the raw pointer to the opaque EGLDisplay type (c_void_p) that PyOpenGL uses.
display = ctypes.c_void_p(raw_display)
major, minor = ctypes.c_int32(0), ctypes.c_int32(0)
try:
if eglInitialize(display, major, minor):
logger.debug(f"_egl_device_display: device {i} succeeded, EGL version {major.value}.{minor.value}")
return display, major, minor
except Exception:
pass
logger.debug(f"_egl_device_display: device {i} eglInitialize failed, skipping")
major, minor = ctypes.c_int32(0), ctypes.c_int32(0)
if not eglInitialize(display, major, minor):
raise RuntimeError("eglInitialize() failed on device display")
logger.debug(f"_egl_device_display: EGL version {major.value}.{minor.value}")
return display, major, minor
raise RuntimeError(f"eglInitialize() failed on all {count.value} enumerated EGL device(s)")
def _init_egl():