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"""Data-type definitions for EGL/GLES"""
import ctypes
from OpenGL._opaque import opaque_pointer_cls as _opaque_pointer_cls
from OpenGL import platform as _p
from OpenGL import extensions
class _EGLQuerier( extensions.ExtensionQuerier ):
prefix = 'EGL_'
assumed_version = [1,0]
version_prefix = 'EGL_VERSION_EGL_'
def getDisplay( self ):
"""Retrieve the currently-bound, or the default, display"""
from OpenGL.EGL import (
eglGetCurrentDisplay, eglGetDisplay, EGL_DEFAULT_DISPLAY,
)
return eglGetCurrentDisplay() or eglGetDisplay(EGL_DEFAULT_DISPLAY)
def pullVersion( self ):
from OpenGL.EGL import (
eglQueryString, EGL_VERSION
)
return eglQueryString( self.getDisplay(), EGL_VERSION )
def pullExtensions( self ):
from OpenGL.EGL import eglQueryString, EGL_EXTENSIONS
return eglQueryString( self.getDisplay(), EGL_EXTENSIONS )
EGLQuerier=_EGLQuerier()
EGLBoolean = ctypes.c_uint32
EGLenum = ctypes.c_uint32
EGLint = c_int = ctypes.c_int32
EGLConfig = _opaque_pointer_cls( 'EGLConfig' )
EGLContext = _opaque_pointer_cls( 'EGLContext' )
EGLDisplay = _opaque_pointer_cls( 'EGLDisplay' )
EGLSurface = _opaque_pointer_cls( 'EGLSurface' )
EGLClientBuffer = _opaque_pointer_cls( 'EGLClientBuffer' )
EGLImageKHR = _opaque_pointer_cls( 'EGLImageKHR' )
EGLScreenMESA = ctypes.c_ulong
EGLModeMESA = ctypes.c_ulong
EGLNativeFileDescriptorKHR = ctypes.c_int
EGLSyncKHR = EGLSyncNV = EGLSync = _opaque_pointer_cls( 'EGLSync' )
EGLTimeKHR = EGLTimeNV = EGLTime = ctypes.c_ulonglong
EGLuint64KHR = EGLuint64NV = ctypes.c_ulonglong
EGLStreamKHR = _opaque_pointer_cls( 'EGLStream' )
EGLsizeiANDROID = ctypes.c_size_t
EGLAttribKHR = EGLAttrib = ctypes.POINTER( ctypes.c_int32 )
class EGLClientPixmapHI( ctypes.Structure):
_fields_ = [
('pData',ctypes.c_voidp),
('iWidth',EGLint),
('iHeight',EGLint),
('iStride',EGLint),
]
class wl_display( ctypes.Structure):
"""Opaque structure from Mesa Wayland API"""
_fields_ = []
# These are X11... no good, really...
EGLNativeDisplayType = _opaque_pointer_cls( 'EGLNativeDisplayType' )
EGLNativePixmapType = _opaque_pointer_cls( 'EGLNativePixmapType' )
EGLNativeWindowType = _opaque_pointer_cls( 'EGLNativeWindowType' )
NativeDisplayType = EGLNativeDisplayType
NativePixmapType = EGLNativePixmapType
NativeWindowType = EGLNativeWindowType
# Callback types, this is a hack to avoid making the
# khr module depend on the platform or needing to change generator for now...
CALLBACK_TYPE = _p.PLATFORM.functionTypeFor( _p.PLATFORM.EGL )
EGLSetBlobFuncANDROID = CALLBACK_TYPE( ctypes.c_voidp, EGLsizeiANDROID, ctypes.c_voidp, EGLsizeiANDROID )
EGLGetBlobFuncANDROID = CALLBACK_TYPE( ctypes.c_voidp, EGLsizeiANDROID, ctypes.c_voidp, EGLsizeiANDROID )
EGL_DEFAULT_DISPLAY = EGLNativeDisplayType()
EGL_NO_CONTEXT = EGLContext()
EGL_NO_DISPLAY = EGLDisplay()
EGL_NO_SURFACE = EGLSurface()
EGL_DONT_CARE = -1
raw_eglQueryString = _p.PLATFORM.EGL.eglQueryString
raw_eglQueryString.restype = ctypes.c_char_p
raw_eglQueryString.__doc__ = """Raw version of eglQueryString that does not check for availability"""
_VERSION_PREFIX = 'EGL_VERSION_EGL_'
[
'EGLAttrib',
'EGLAttribKHR',
'EGLBoolean',
'EGLClientBuffer',
'EGLClientPixmapHI',
'EGLConfig',
'EGLContext',
'EGLDisplay',
'EGLGetBlobFuncANDROID',
'EGLImageKHR',
'EGLModeMESA',
'EGLNativeDisplayType',
'EGLNativeFileDescriptorKHR',
'EGLNativePixmapType',
'EGLNativeWindowType',
'EGLScreenMESA',
'EGLSetBlobFuncANDROID',
'EGLStreamKHR',
'EGLSurface',
'EGLSyncKHR',
'EGLSyncNV',
'EGLSync',
'EGLTimeKHR',
'EGLTimeNV',
'EGLTime',
'EGL_DEFAULT_DISPLAY',
'EGL_DONT_CARE',
'EGL_NO_CONTEXT',
'EGL_NO_DISPLAY',
'EGL_NO_SURFACE',
'EGLenum',
'EGLint',
'EGLsizeiANDROID',
'EGLuint64KHR',
'EGLuint64NV',
'NativeDisplayType',
'NativePixmapType',
'NativeWindowType',
'wl_display',
]
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