def render(self, gltf, nodes, window_size=(800, 600)):
self.vr_compositor.waitGetPoses(self.poses, openvr.k_unMaxTrackedDeviceCount, None, 0)
hmd_pose = self.poses[openvr.k_unTrackedDeviceIndex_Hmd]
if not hmd_pose.bPoseIsValid:
return
hmd_34 = np.ctypeslib.as_array(cast(hmd_pose.mDeviceToAbsoluteTracking.m, c_float_p),
shape=(3,4))
self.view[:3,:] = hmd_34
view = np.linalg.inv(self.view.T)
view.dot(self.eye_transforms[0], out=self.view_matrices[0])
view.dot(self.eye_transforms[1], out=self.view_matrices[1])
gl.glViewport(0, 0, self.vr_framebuffers[0].width, self.vr_framebuffers[0].height)
for eye in (0, 1):
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, self.vr_framebuffers[eye].fb)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gltfu.set_material_state.current_material = None
gltfu.set_technique_state.current_technique = None
for node in nodes:
gltfu.draw_node(node, gltf,
projection_matrix=self.projection_matrices[eye],
view_matrix=self.view_matrices[eye])
self.controllers.display_gl(self.view_matrices[eye], self.projection_matrices[eye])
self.vr_compositor.submit(openvr.Eye_Left, self.vr_framebuffers[0].texture)
self.vr_compositor.submit(openvr.Eye_Right, self.vr_framebuffers[1].texture)
# mirror left eye framebuffer to screen:
gl.glBlitNamedFramebuffer(self.vr_framebuffers[0].fb, 0,
0, 0, self.vr_framebuffers[0].width, self.vr_framebuffers[0].height,
0, 0, window_size[0], window_size[1],
gl.GL_COLOR_BUFFER_BIT, gl.GL_NEAREST)
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, 0)
def render(self, gltf, nodes, window_size=(800, 600)):
self.vr_compositor.waitGetPoses(self.poses,
openvr.k_unMaxTrackedDeviceCount, None,
0)
hmd_pose = self.poses[openvr.k_unTrackedDeviceIndex_Hmd]
if not hmd_pose.bPoseIsValid:
return
hmd_34 = np.ctypeslib.as_array(cast(
hmd_pose.mDeviceToAbsoluteTracking.m, c_float_p),
shape=(3, 4))
self.view[:3, :] = hmd_34
view = np.linalg.inv(self.view.T)
view.dot(self.eye_transforms[0], out=self.view_matrices[0])
view.dot(self.eye_transforms[1], out=self.view_matrices[1])
gl.glViewport(0, 0, self.vr_framebuffers[0].width,
self.vr_framebuffers[0].height)
for eye in (0, 1):
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER,
self.vr_framebuffers[eye].fb)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
gltfu.set_material_state.current_material = None
gltfu.set_technique_state.current_technique = None
for node in nodes:
gltfu.draw_node(
node,
gltf,
projection_matrix=self.projection_matrices[eye],
view_matrix=self.view_matrices[eye])
self.controllers.display_gl(self.view_matrices[eye],
self.projection_matrices[eye])
self.vr_compositor.submit(openvr.Eye_Left,
self.vr_framebuffers[0].texture)
self.vr_compositor.submit(openvr.Eye_Right,
self.vr_framebuffers[1].texture)
# mirror left eye framebuffer to screen:
gl.glBlitNamedFramebuffer(self.vr_framebuffers[0].fb, 0, 0, 0,
self.vr_framebuffers[0].width,
self.vr_framebuffers[0].height, 0, 0,
window_size[0], window_size[1],
gl.GL_COLOR_BUFFER_BIT, gl.GL_NEAREST)
gl.glBindFramebuffer(gl.GL_FRAMEBUFFER, 0)
