def clinit(self):
plats = cl.get_platforms()
from pyopencl.tools import get_gl_sharing_context_properties
if sys.platform == "darwin":
self.ctx= cl.create_some_context()
#print cl.context_properties.
#print get_gl_sharing_context_properties()
#print "ctx_props.CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE", cl.get_apple_cgl_share_group()
print cl.get_apple_cgl_share_group()
#self.ctx = cl.Context(properties=get_gl_sharing_context_properties(), devices=[])
else:
self.ctx = cl.Context(properties=[(cl.context_properties.PLATFORM, plats[0])]
+ get_gl_sharing_context_properties(), devices=None)
self.queue = cl.CommandQueue(self.ctx)
def get_gl_sharing_context_properties():
ctx_props = cl.context_properties
from OpenGL import platform as gl_platform
props = []
import sys
if sys.platform in ["linux", "linux2"]:
from OpenGL import GLX
props.append(
(ctx_props.GL_CONTEXT_KHR, gl_platform.GetCurrentContext()))
props.append((ctx_props.GLX_DISPLAY_KHR, GLX.glXGetCurrentDisplay()))
elif sys.platform == "win32":
from OpenGL import WGL
props.append(
(ctx_props.GL_CONTEXT_KHR, gl_platform.GetCurrentContext()))
props.append((ctx_props.WGL_HDC_KHR, WGL.wglGetCurrentDC()))
elif sys.platform == "darwin":
props.append((ctx_props.CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE,
cl.get_apple_cgl_share_group()))
else:
raise NotImplementedError("platform '%s' not yet supported" %
sys.platform)
return props
def get_gl_sharing_context_properties():
ctx_props = cl.context_properties
from OpenGL import platform as gl_platform, GLX, WGL
props = []
import sys
if sys.platform in ["linux", "linux2"]:
props.append(
(ctx_props.GL_CONTEXT_KHR, gl_platform.GetCurrentContext()))
props.append(
(ctx_props.GLX_DISPLAY_KHR,
GLX.glXGetCurrentDisplay()))
elif sys.platform == "win32":
props.append(
(ctx_props.GL_CONTEXT_KHR, gl_platform.GetCurrentContext()))
props.append(
(ctx_props.WGL_HDC_KHR,
WGL.wglGetCurrentDC()))
elif sys.platform == "darwin":
props.append(
(ctx_props.CONTEXT_PROPERTY_USE_CGL_SHAREGROUP_APPLE,
cl.get_apple_cgl_share_group()))
else:
raise NotImplementedError("platform '%s' not yet supported"
% sys.platform)
return props
