98 lines
3.6 KiB
Python
98 lines
3.6 KiB
Python
"""
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RenderPipeline
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Copyright (c) 2014-2016 tobspr <tobias.springer1@gmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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"""
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from __future__ import division
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import collections
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from rpcore.globals import Globals
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from rpcore.pluginbase.base_plugin import BasePlugin
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from .voxelization_stage import VoxelizationStage
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from .vxgi_stage import VXGIStage
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class Plugin(BasePlugin):
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name = "Voxel Global Illumination"
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author = "tobspr <tobias.springer1@gmail.com>"
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description = ("Provides Global Illumination using Voxel Cone Tracing. This "
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"technique is still very unoptimized and experimental!")
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version = "alpha (!)"
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def on_stage_setup(self):
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self._voxel_stage = self.create_stage(VoxelizationStage)
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self._vxgi_stage = self.create_stage(VXGIStage)
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self._voxel_stage.voxel_resolution = self.get_setting("grid_resolution")
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self._voxel_stage.voxel_world_size = self.get_setting("grid_ws_size")
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if self.is_plugin_enabled("pssm"):
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# Add shadow map as requirement
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self._voxel_stage.required_pipes.append("PSSMSceneSunShadowMapPCF")
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self._voxel_stage.required_inputs.append("PSSMSceneSunShadowMVP")
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def on_pre_render_update(self):
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task = self._queue[0]
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self._queue.rotate(-1)
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task()
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def on_pipeline_created(self):
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self._queue = collections.deque()
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self._queue.extend([self._voxelize_x, self._voxelize_y, self._voxelize_z])
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self._queue.extend([self._generate_mipmaps])
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def _set_grid_pos(self):
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""" Finds the new voxel grid position """
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grid_pos = Globals.base.camera.get_pos(Globals.base.render)
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# Snap the voxel grid
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voxel_size = 2.0 * self.get_setting("grid_ws_size") / self.get_setting("grid_resolution")
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snap_size = voxel_size * 2**4
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for dimension in range(3):
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cell_val = grid_pos.get_cell(dimension)
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grid_pos.set_cell(dimension, cell_val - cell_val % snap_size)
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self._voxel_stage.set_grid_position(grid_pos)
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def _voxelize_x(self):
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""" Voxelizes the scene from the x axis """
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self._set_grid_pos()
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self._voxel_stage.state = VoxelizationStage.S_voxelize_x
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def _voxelize_y(self):
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""" Voxelizes the scene from the y axis """
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self._voxel_stage.state = VoxelizationStage.S_voxelize_y
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def _voxelize_z(self):
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""" Voxelizes the scene from the z axis """
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self._voxel_stage.state = VoxelizationStage.S_voxelize_z
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def _generate_mipmaps(self):
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""" Generates the mipmaps for the voxel grid """
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self._voxel_stage.state = VoxelizationStage.S_gen_mipmaps
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