def create(self):
# Construct the voxel texture
self._cloud_voxels = Image.create_3d("CloudVoxels", self._voxel_res_xy,
self._voxel_res_xy,
self._voxel_res_z, "RGBA8")
self._cloud_voxels.set_wrap_u(SamplerState.WM_repeat)
self._cloud_voxels.set_wrap_v(SamplerState.WM_repeat)
self._cloud_voxels.set_wrap_w(SamplerState.WM_border_color)
self._cloud_voxels.set_border_color(Vec4(0, 0, 0, 0))
# Construct the target which populates the voxel texture
self._grid_target = self.create_target("CreateVoxels")
self._grid_target.size = self._voxel_res_xy, self._voxel_res_xy
self._grid_target.prepare_buffer()
self._grid_target.quad.set_instance_count(self._voxel_res_z)
self._grid_target.set_shader_input("CloudVoxels", self._cloud_voxels)
# Construct the target which shades the voxels
self._shade_target = self.create_target("ShadeVoxels")
self._shade_target.size = self._voxel_res_xy, self._voxel_res_xy
self._shade_target.prepare_buffer()
self._shade_target.quad.set_instance_count(self._voxel_res_z)
self._shade_target.set_shader_input("CloudVoxels", self._cloud_voxels)
self._shade_target.set_shader_input("CloudVoxelsDest",
self._cloud_voxels)
def _create_storage(self):
""" Internal method to create the storage for the profile dataset textures """
self._storage_tex = Image.create_3d("IESDatasets", 512, 512, self._max_entries, "R16")
self._storage_tex.set_minfilter(SamplerState.FT_linear)
self._storage_tex.set_magfilter(SamplerState.FT_linear)
self._storage_tex.set_wrap_u(SamplerState.WM_clamp)
self._storage_tex.set_wrap_v(SamplerState.WM_repeat)
self._storage_tex.set_wrap_w(SamplerState.WM_clamp)
self._pipeline.stage_mgr.inputs["IESDatasetTex"] = self._storage_tex
self._pipeline.stage_mgr.defines["MAX_IES_PROFILES"] = self._max_entries
def _create_storage(self):
""" Internal method to create the storage for the profile dataset textures """
self._storage_tex = Image.create_3d("IESDatasets", 512, 512, self._max_entries, "R16")
self._storage_tex.set_minfilter(SamplerState.FT_linear)
self._storage_tex.set_magfilter(SamplerState.FT_linear)
self._storage_tex.set_wrap_u(SamplerState.WM_clamp)
self._storage_tex.set_wrap_v(SamplerState.WM_repeat)
self._storage_tex.set_wrap_w(SamplerState.WM_clamp)
self._pipeline.stage_mgr.inputs["IESDatasetTex"] = self._storage_tex
self._pipeline.stage_mgr.defines["MAX_IES_PROFILES"] = self._max_entries
def create(self):
# Construct the voxel texture
self._cloud_voxels = Image.create_3d(
"CloudVoxels", self._voxel_res_xy, self._voxel_res_xy, self._voxel_res_z, "RGBA8")
self._cloud_voxels.set_wrap_u(SamplerState.WM_repeat)
self._cloud_voxels.set_wrap_v(SamplerState.WM_repeat)
self._cloud_voxels.set_wrap_w(SamplerState.WM_border_color)
self._cloud_voxels.set_border_color(Vec4(0, 0, 0, 0))
# Construct the target which populates the voxel texture
self._grid_target = self.create_target("CreateVoxels")
self._grid_target.size = self._voxel_res_xy, self._voxel_res_xy
self._grid_target.prepare_buffer()
self._grid_target.quad.set_instance_count(self._voxel_res_z)
self._grid_target.set_shader_input("CloudVoxels", self._cloud_voxels)
# Construct the target which shades the voxels
self._shade_target = self.create_target("ShadeVoxels")
self._shade_target.size = self._voxel_res_xy, self._voxel_res_xy
self._shade_target.prepare_buffer()
self._shade_target.quad.set_instance_count(self._voxel_res_z)
self._shade_target.set_shader_input("CloudVoxels", self._cloud_voxels)
self._shade_target.set_shader_input("CloudVoxelsDest", self._cloud_voxels)
def create(self):
# Create the voxel grid used to generate the voxels
self.voxel_temp_grid = Image.create_3d("VoxelsTemp",
self.voxel_resolution,
self.voxel_resolution,
self.voxel_resolution, "RGBA8")
self.voxel_temp_grid.set_clear_color(Vec4(0))
self.voxel_temp_nrm_grid = Image.create_3d("VoxelsTemp",
self.voxel_resolution,
self.voxel_resolution,
self.voxel_resolution,
"R11G11B10")
self.voxel_temp_nrm_grid.set_clear_color(Vec4(0))
# Create the voxel grid which is a copy of the temporary grid, but stable
self.voxel_grid = Image.create_3d("Voxels", self.voxel_resolution,
self.voxel_resolution,
self.voxel_resolution, "RGBA8")
self.voxel_grid.set_clear_color(Vec4(0))
self.voxel_grid.set_minfilter(SamplerState.FT_linear_mipmap_linear)
# Create the camera for voxelization
self.voxel_cam = Camera("VoxelizeCam")
self.voxel_cam.set_camera_mask(
self._pipeline.tag_mgr.get_voxelize_mask())
self.voxel_cam_lens = OrthographicLens()
self.voxel_cam_lens.set_film_size(-2.0 * self.voxel_world_size,
2.0 * self.voxel_world_size)
self.voxel_cam_lens.set_near_far(0.0, 2.0 * self.voxel_world_size)
self.voxel_cam.set_lens(self.voxel_cam_lens)
self.voxel_cam_np = Globals.base.render.attach_new_node(self.voxel_cam)
self._pipeline.tag_mgr.register_camera("voxelize", self.voxel_cam)
# Create the voxelization target
self.voxel_target = self.create_target("VoxelizeScene")
self.voxel_target.size = self.voxel_resolution
self.voxel_target.prepare_render(self.voxel_cam_np)
# Create the target which copies the voxel grid
self.copy_target = self.create_target("CopyVoxels")
self.copy_target.size = self.voxel_resolution
self.copy_target.prepare_buffer()
# TODO! Does not work with the new render target yet - maybe add option
# to post process region for instances?
self.copy_target.instance_count = self.voxel_resolution
self.copy_target.set_shader_input("SourceTex", self.voxel_temp_grid)
self.copy_target.set_shader_input("DestTex", self.voxel_grid)
# Create the target which generates the mipmaps
self.mip_targets = []
mip_size, mip = self.voxel_resolution, 0
while mip_size > 1:
mip_size, mip = mip_size // 2, mip + 1
mip_target = self.create_target("GenMipmaps:" + str(mip))
mip_target.size = mip_size
mip_target.prepare_buffer()
mip_target.instance_count = mip_size
mip_target.set_shader_input("SourceTex", self.voxel_grid)
mip_target.set_shader_input("sourceMip", mip - 1)
mip_target.set_shader_input("DestTex", self.voxel_grid, False,
True, -1, mip, 0)
self.mip_targets.append(mip_target)
# Create the initial state used for rendering voxels
initial_state = NodePath("VXGIInitialState")
initial_state.set_attrib(
CullFaceAttrib.make(CullFaceAttrib.M_cull_none), 100000)
initial_state.set_attrib(DepthTestAttrib.make(DepthTestAttrib.M_none),
100000)
initial_state.set_attrib(ColorWriteAttrib.make(ColorWriteAttrib.C_off),
100000)
self.voxel_cam.set_initial_state(initial_state.get_state())
Globals.base.render.set_shader_input("voxelGridPosition",
self.pta_next_grid_pos)
Globals.base.render.set_shader_input("VoxelGridDest",
self.voxel_temp_grid)
def create(self):
# Create the voxel grid used to generate the voxels
self.voxel_temp_grid = Image.create_3d(
"VoxelsTemp", self.voxel_resolution, self.voxel_resolution,
self.voxel_resolution, "RGBA8")
self.voxel_temp_grid.set_clear_color(Vec4(0))
self.voxel_temp_nrm_grid = Image.create_3d(
"VoxelsTemp", self.voxel_resolution, self.voxel_resolution,
self.voxel_resolution, "R11G11B10")
self.voxel_temp_nrm_grid.set_clear_color(Vec4(0))
# Create the voxel grid which is a copy of the temporary grid, but stable
self.voxel_grid = Image.create_3d(
"Voxels", self.voxel_resolution, self.voxel_resolution, self.voxel_resolution, "RGBA8")
self.voxel_grid.set_clear_color(Vec4(0))
self.voxel_grid.set_minfilter(SamplerState.FT_linear_mipmap_linear)
# Create the camera for voxelization
self.voxel_cam = Camera("VoxelizeCam")
self.voxel_cam.set_camera_mask(self._pipeline.tag_mgr.get_voxelize_mask())
self.voxel_cam_lens = OrthographicLens()
self.voxel_cam_lens.set_film_size(
-2.0 * self.voxel_world_size, 2.0 * self.voxel_world_size)
self.voxel_cam_lens.set_near_far(0.0, 2.0 * self.voxel_world_size)
self.voxel_cam.set_lens(self.voxel_cam_lens)
self.voxel_cam_np = Globals.base.render.attach_new_node(self.voxel_cam)
self._pipeline.tag_mgr.register_camera("voxelize", self.voxel_cam)
# Create the voxelization target
self.voxel_target = self.create_target("VoxelizeScene")
self.voxel_target.size = self.voxel_resolution
self.voxel_target.prepare_render(self.voxel_cam_np)
# Create the target which copies the voxel grid
self.copy_target = self.create_target("CopyVoxels")
self.copy_target.size = self.voxel_resolution
self.copy_target.prepare_buffer()
# TODO! Does not work with the new render target yet - maybe add option
# to post process region for instances?
self.copy_target.instance_count = self.voxel_resolution
self.copy_target.set_shader_input("SourceTex", self.voxel_temp_grid)
self.copy_target.set_shader_input("DestTex", self.voxel_grid)
# Create the target which generates the mipmaps
self.mip_targets = []
mip_size, mip = self.voxel_resolution, 0
while mip_size > 1:
mip_size, mip = mip_size // 2, mip + 1
mip_target = self.create_target("GenMipmaps:" + str(mip))
mip_target.size = mip_size
mip_target.prepare_buffer()
mip_target.instance_count = mip_size
mip_target.set_shader_input("SourceTex", self.voxel_grid)
mip_target.set_shader_input("sourceMip", mip - 1)
mip_target.set_shader_input("DestTex", self.voxel_grid, False, True, -1, mip, 0)
self.mip_targets.append(mip_target)
# Create the initial state used for rendering voxels
initial_state = NodePath("VXGIInitialState")
initial_state.set_attrib(CullFaceAttrib.make(CullFaceAttrib.M_cull_none), 100000)
initial_state.set_attrib(DepthTestAttrib.make(DepthTestAttrib.M_none), 100000)
initial_state.set_attrib(ColorWriteAttrib.make(ColorWriteAttrib.C_off), 100000)
self.voxel_cam.set_initial_state(initial_state.get_state())
Globals.base.render.set_shader_input("voxelGridPosition", self.pta_next_grid_pos)
Globals.base.render.set_shader_input("VoxelGridDest", self.voxel_temp_grid)
