509 lines
27 KiB
Python
509 lines
27 KiB
Python
"""
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Copyright (c) 2024 Turánszki János
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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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import bpy
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import lnx.utils
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import lnx.assets as assets
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import lnx.material.cycles as cycles
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import lnx.material.mat_state as mat_state
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import lnx.material.mat_utils as mat_utils
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import lnx.material.make_particle as make_particle
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import lnx.make_state as state
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if lnx.is_reload(__name__):
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lnx.utils = lnx.reload_module(lnx.utils)
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assets = lnx.reload_module(assets)
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mat_state = lnx.reload_module(mat_state)
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else:
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lnx.enable_reload(__name__)
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def make(context_id):
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rpdat = lnx.utils.get_rp()
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if rpdat.rp_voxels == 'Voxel GI':
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con = make_gi(context_id)
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else:
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con = make_ao(context_id)
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assets.vs_equal(con, assets.shader_cons['voxel_vert'])
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assets.fs_equal(con, assets.shader_cons['voxel_frag'])
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assets.gs_equal(con, assets.shader_cons['voxel_geom'])
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return con
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def make_gi(context_id):
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con_voxel = mat_state.data.add_context({ 'name': context_id, 'depth_write': False, 'compare_mode': 'always', 'cull_mode': 'none', 'color_write_red': False, 'color_write_green': False, 'color_write_blue': False, 'color_write_alpha': False, 'conservative_raster': True })
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wrd = bpy.data.worlds['Lnx']
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vert = con_voxel.make_vert()
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frag = con_voxel.make_frag()
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geom = con_voxel.make_geom()
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tesc = None
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tese = None
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geom.ins = vert.outs
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frag.ins = geom.outs
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vert.add_include('compiled.inc')
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geom.add_include('compiled.inc')
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frag.add_include('compiled.inc')
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frag.add_include('std/math.glsl')
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frag.add_include('std/imageatomic.glsl')
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frag.add_include('std/gbuffer.glsl')
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frag.add_include('std/brdf.glsl')
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rpdat = lnx.utils.get_rp()
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frag.add_uniform('layout(r32ui) uimage3D voxels')
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frag.write('vec3 n;')
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frag.write('vec3 wposition;')
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frag.write('vec3 basecol;')
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frag.write('float roughness;') #
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frag.write('float metallic;') #
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frag.write('float occlusion;') #
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frag.write('float specular;') #
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frag.write('vec3 emissionCol = vec3(0.0);')
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blend = mat_state.material.lnx_blending
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parse_opacity = blend or mat_utils.is_transluc(mat_state.material)
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if parse_opacity:
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frag.write('float opacity;')
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frag.write('float ior;')
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else:
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frag.write('float opacity = 1.0;')
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frag.write('float dotNV = 0.0;')
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cycles.parse(mat_state.nodes, con_voxel, vert, frag, geom, tesc, tese, parse_opacity=parse_opacity, parse_displacement=False, basecol_only=True)
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# Voxelized particles
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particle = mat_state.material.lnx_particle_flag
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if particle and rpdat.lnx_particles == 'On':
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# make_particle.write(vert, particle_info=cycles.particle_info)
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frag.write_pre = True
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frag.write('const float p_index = 0;')
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frag.write('const float p_age = 0;')
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frag.write('const float p_lifetime = 0;')
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frag.write('const vec3 p_location = vec3(0);')
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frag.write('const float p_size = 0;')
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frag.write('const vec3 p_velocity = vec3(0);')
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frag.write('const vec3 p_angular_velocity = vec3(0);')
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frag.write_pre = False
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export_mpos = frag.contains('mposition') and not frag.contains('vec3 mposition')
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if export_mpos:
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vert.add_out('vec3 mpositionGeom')
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vert.write_pre = True
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vert.write('mpositionGeom = pos.xyz;')
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vert.write_pre = False
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export_bpos = frag.contains('bposition') and not frag.contains('vec3 bposition')
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if export_bpos:
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vert.add_out('vec3 bpositionGeom')
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vert.add_uniform('vec3 dim', link='_dim')
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vert.add_uniform('vec3 hdim', link='_halfDim')
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vert.write_pre = True
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vert.write('bpositionGeom = (pos.xyz + hdim) / dim;')
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vert.write_pre = False
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vert.add_uniform('mat4 W', '_worldMatrix')
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vert.add_uniform('mat3 N', '_normalMatrix')
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vert.add_out('vec3 voxpositionGeom')
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vert.add_out('vec3 voxnormalGeom')
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if con_voxel.is_elem('col'):
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vert.add_out('vec3 vcolorGeom')
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vert.write('vcolorGeom = col.rgb;')
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if con_voxel.is_elem('tex'):
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vert.add_out('vec2 texCoordGeom')
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vert.write('texCoordGeom = tex;')
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vert.write('voxpositionGeom = vec3(W * vec4(pos.xyz, 1.0));')
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vert.write('voxnormalGeom = normalize(N * vec3(nor.xy, pos.w));')
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geom.add_out('vec4 voxposition[3]')
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geom.add_out('vec3 P')
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geom.add_out('vec3 voxnormal')
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geom.add_out('vec4 lightPosition')
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geom.add_out('vec4 spotPosition')
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geom.add_out('vec4 wvpposition')
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if con_voxel.is_elem('col'):
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geom.add_out('vec3 vcolor')
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if con_voxel.is_elem('tex'):
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geom.add_out('vec2 texCoord')
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if export_mpos:
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geom.add_out('vec3 mposition')
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if export_bpos:
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geom.add_out('vec3 bposition')
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geom.add_uniform('float clipmaps[voxelgiClipmapCount * 10]', '_clipmaps')
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geom.add_uniform('int clipmapLevel', '_clipmapLevel')
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geom.write('vec3 facenormal = abs(voxnormalGeom[0] + voxnormalGeom[1] + voxnormalGeom[2]);')
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geom.write('uint maxi = facenormal[1] > facenormal[0] ? 1 : 0;')
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geom.write('maxi = facenormal[2] > facenormal[maxi] ? 2 : maxi;')
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geom.write('for (uint i = 0; i < 3; ++i) {')
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geom.write(' voxposition[i].xyz = (voxpositionGeom[i] - vec3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[int(clipmapLevel * 10)]));')
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geom.write(' if (maxi == 0)')
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geom.write(' {')
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geom.write(' voxposition[i].xyz = voxposition[i].zyx;')
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geom.write(' }')
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geom.write(' else if (maxi == 1)')
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geom.write(' {')
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geom.write(' voxposition[i].xyz = voxposition[i].xzy;')
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geom.write(' }')
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geom.write('}')
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geom.write('for (uint i = 0; i < 3; ++i) {')
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geom.write(' voxposition[i].xy /= voxelgiResolution.xy;')
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geom.write(' voxposition[i].zw = vec2(1.0);')
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geom.write(' P = voxpositionGeom[i];')
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geom.write(' voxnormal = voxnormalGeom[i];')
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if con_voxel.is_elem('col'):
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geom.write('vcolor = vcolorGeom[i];')
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if con_voxel.is_elem('tex'):
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geom.write('texCoord = texCoordGeom[i];')
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if export_mpos:
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geom.write('mposition = mpositionGeom[i];')
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if export_bpos:
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geom.write('bposition = bpositionGeom[i];')
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geom.write(' gl_Position = voxposition[i];')
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geom.write(' EmitVertex();')
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geom.write('}')
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geom.write('EndPrimitive();')
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frag.add_uniform('float clipmaps[voxelgiClipmapCount * 10]', '_clipmaps')
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frag.add_uniform('int clipmapLevel', '_clipmapLevel')
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frag.write('vec3 uvw = (P - vec3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[int(clipmapLevel * 10)]) * voxelgiResolution);')
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frag.write('uvw = (uvw * 0.5 + 0.5);')
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frag.write('if(any(notEqual(uvw, clamp(uvw, 0.0, 1.0)))) return;')
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frag.write('vec3 writecoords = floor(uvw * voxelgiResolution);')
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frag.write_attrib('vec3 N = normalize(voxnormal);')
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frag.write('vec3 aniso_direction = N;')
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frag.write('uvec3 face_offsets = uvec3(')
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frag.write(' aniso_direction.x > 0 ? 0 : 1,')
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frag.write(' aniso_direction.y > 0 ? 2 : 3,')
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frag.write(' aniso_direction.z > 0 ? 4 : 5')
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frag.write(' ) * voxelgiResolution;')
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frag.write('vec3 direction_weights = abs(N);')
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frag.write('vec3 albedo = surfaceAlbedo(basecol, metallic);')
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frag.write('vec3 f0 = surfaceF0(basecol, metallic);')
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frag.add_uniform('vec3 eye', '_cameraPosition')
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frag.write('vec3 eyeDir = eye - wposition;')
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if '_Brdf' in wrd.world_defs:
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frag.add_uniform('sampler2D senvmapBrdf', link='$brdf.png')
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frag.write('vec2 envBRDF = texelFetch(senvmapBrdf, ivec2(vec2(dotNV, 1.0 - roughness) * 256.0), 0).xy;')
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if '_Irr' in wrd.world_defs:
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frag.add_include('std/shirr.glsl')
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frag.add_uniform('vec4 shirr[7]', link='_envmapIrradiance')
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frag.write('vec3 envl = shIrradiance(n, shirr);')
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if '_EnvTex' in wrd.world_defs:
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frag.write('envl /= PI;')
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else:
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frag.write('vec3 envl = vec3(0.0);')
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if '_Rad' in wrd.world_defs:
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frag.add_uniform('sampler2D senvmapRadiance', link='_envmapRadiance')
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frag.add_uniform('int envmapNumMipmaps', link='_envmapNumMipmaps')
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frag.write('vec3 reflectionWorld = reflect(-eyeDir, n);')
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frag.write('float lod = getMipFromRoughness(roughness, envmapNumMipmaps);')
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frag.write('vec3 prefilteredColor = textureLod(senvmapRadiance, envMapEquirect(reflectionWorld), lod).rgb;')
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if '_EnvLDR' in wrd.world_defs:
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frag.write('envl = pow(envl, vec3(2.2));')
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if '_Rad' in wrd.world_defs:
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frag.write('prefilteredColor = pow(prefilteredColor, vec3(2.2));')
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frag.write('envl *= albedo;')
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if '_Brdf' in wrd.world_defs:
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frag.write('envl.rgb *= 1.0 - (f0 * envBRDF.x + envBRDF.y);')
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if '_Rad' in wrd.world_defs:
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frag.write('envl += prefilteredColor * (f0 * envBRDF.x + envBRDF.y);')
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elif '_EnvCol' in wrd.world_defs:
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frag.add_uniform('vec3 backgroundCol', link='_backgroundCol')
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frag.write('envl += backgroundCol * (f0 * envBRDF.x + envBRDF.y);')
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frag.add_uniform('float envmapStrength', link='_envmapStrength')
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frag.write('envl *= envmapStrength * occlusion;')
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frag.write('if (direction_weights.x > 0) {')
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frag.write(' vec4 basecol_direction = vec4(min(basecol * direction_weights.x, vec3(1.0)), 1.0);')
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frag.write(' vec3 emission_direction = emissionCol * direction_weights.x;')
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frag.write(' vec2 normal_direction = encode_oct(N * direction_weights.x) * 0.5 + 0.5;')
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frag.write(' vec3 envl_direction = envl * direction_weights.x;')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, 0)), uint(basecol_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x)), uint(basecol_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 2)), uint(basecol_direction.b * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 3)), uint(basecol_direction.a * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 4)), uint(emission_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 5)), uint(emission_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 6)), uint(emission_direction.b * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 7)), uint(normal_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 8)), uint(normal_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 9)), uint(envl_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 10)), uint(envl_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, voxelgiResolution.x * 11)), uint(envl_direction.b * 255));')
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frag.write('}')
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frag.write('if (direction_weights.y > 0) {')
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frag.write(' vec4 basecol_direction = vec4(min(basecol * direction_weights.y, vec3(1.0)), 1.0);')
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frag.write(' vec3 emission_direction = emissionCol * direction_weights.y;')
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frag.write(' vec2 normal_direction = encode_oct(N * direction_weights.y) * 0.5 + 0.5;')
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frag.write(' vec3 envl_direction = envl * direction_weights.y;')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, 0)), uint(basecol_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x)), uint(basecol_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 2)), uint(basecol_direction.b * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 3)), uint(basecol_direction.a * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 4)), uint(emission_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 5)), uint(emission_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 6)), uint(emission_direction.b * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 7)), uint(normal_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 8)), uint(normal_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 9)), uint(envl_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 10)), uint(envl_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, voxelgiResolution.x * 11)), uint(envl_direction.b * 255));')
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frag.write('}')
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frag.write('if (direction_weights.z > 0) {')
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frag.write(' vec4 basecol_direction = vec4(min(basecol * direction_weights.z, vec3(1.0)), 1.0);')
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frag.write(' vec3 emission_direction = emissionCol * direction_weights.z;')
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frag.write(' vec2 normal_direction = encode_oct(n * direction_weights.z) * 0.5 + 0.5;')
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frag.write(' vec3 envl_direction = envl * direction_weights.z;')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, 0)), uint(basecol_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x)), uint(basecol_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 2)), uint(basecol_direction.b * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 3)), uint(basecol_direction.a * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 4)), uint(emission_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 5)), uint(emission_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 6)), uint(emission_direction.b * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 7)), uint(normal_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 8)), uint(normal_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 9)), uint(envl_direction.r * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 10)), uint(envl_direction.g * 255));')
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frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, voxelgiResolution.x * 11)), uint(envl_direction.b * 255));')
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frag.write('}')
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return con_voxel
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def make_ao(context_id):
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con_voxel = mat_state.data.add_context({ 'name': context_id, 'depth_write': False, 'compare_mode': 'always', 'cull_mode': 'none', 'color_writes_red': [False], 'color_writes_green': [False], 'color_writes_blue': [False], 'color_writes_alpha': [False], 'conservative_raster': False })
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|
wrd = bpy.data.worlds['Lnx']
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rpdat = lnx.utils.get_rp()
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|
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|
vert = con_voxel.make_vert()
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frag = con_voxel.make_frag()
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geom = con_voxel.make_geom()
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tesc = None
|
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tese = None
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|
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|
geom.ins = vert.outs
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frag.ins = geom.outs
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|
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frag.add_include('compiled.inc')
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|
geom.add_include('compiled.inc')
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frag.add_include('std/math.glsl')
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frag.add_include('std/imageatomic.glsl')
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frag.write_header('#extension GL_ARB_shader_image_load_store : enable')
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|
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vert.add_include('compiled.inc')
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vert.add_uniform('mat4 W', '_worldMatrix')
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vert.add_uniform('mat3 N', '_normalMatrix')
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|
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|
geom.add_uniform('float clipmaps[voxelgiClipmapCount * 10]', '_clipmaps')
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geom.add_uniform('int clipmapLevel', '_clipmapLevel')
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|
frag.add_uniform('float clipmaps[voxelgiClipmapCount * 10]', '_clipmaps')
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frag.add_uniform('int clipmapLevel', '_clipmapLevel')
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|
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"""
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if lnx.utils.get_gapi() == 'direct3d11':
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for e in con_voxel.data['vertex_elements']:
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if e['name'] == 'nor':
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con_voxel.data['vertex_elements'].remove(e)
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break
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|
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vert.write('uniform float4x4 W;')
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vert.write('uniform float3x3 N;')
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vert.write('struct SPIRV_Cross_Input {')
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vert.write(' float4 pos : TEXCOORD0;')
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vert.write(' float3 nor : NORMAL;')
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|
vert.write('};')
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vert.write('struct SPIRV_Cross_Output {')
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vert.write(' float4 svpos : SV_POSITION;')
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vert.write(' float3 svnor : NORMAL;')
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|
vert.write('};')
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vert.write('SPIRV_Cross_Output main(SPIRV_Cross_Input stage_input) {')
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vert.write(' SPIRV_Cross_Output stage_output;')
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vert.write(' stage_output.svpos.xyz = mul(float4(stage_input.pos.xyz, 1.0), W).xyz;')
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vert.write(' stage_output.svpos.w = 1.0;')
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vert.write(' stage_output.svnor.xyz = normalize(mul(float3(nor.xy, pos.w), N).xyz);')
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|
vert.write(' return stage_output;')
|
|
vert.write('}')
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|
|
|
geom.write('uniform float clipmaps[voxelgiClipmapCount * 10];')
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|
geom.write('uniform int clipmapLevel;')
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|
geom.write('struct SPIRV_Cross_Input {')
|
|
geom.write(' float4 svpos : SV_POSITION;')
|
|
geom.write(' float3 svnor : NORMAL;')
|
|
geom.write('};')
|
|
geom.write('struct SPIRV_Cross_Output {')
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|
geom.write(' float3 wpos : TEXCOORD0;')
|
|
geom.write(' float3 wnor : NORMAL;')
|
|
geom.write('};')
|
|
geom.write('[maxvertexcount(3)]')
|
|
geom.write('void main(triangle SPIRV_Cross_Input stage_input[3], inout TriangleStream<SPIRV_Cross_Output> output) {')
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geom.write(' float3 p1 = stage_input[1].svpos.xyz - stage_input[0].svpos.xyz;')
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geom.write(' float3 p2 = stage_input[2].svpos.xyz - stage_input[0].svpos.xyz;')
|
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geom.write(' float3 p = abs(cross(p1, p2));')
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geom.write(' for (int i = 0; i < 3; ++i) {')
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geom.write(' SPIRV_Cross_Output stage_output;')
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|
geom.write(' stage_output.wpos = (stage_input[i].svpos.xyz + float3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[clipmapLevel * 10]) * voxelgiResolution);')
|
|
geom.write(' stage_output.wnor = stage_input[i].svnor.xyz;')
|
|
geom.write(' if (p.z > p.x && p.z > p.y) {')
|
|
geom.write(' stage_output.svpos = float4(stage_input[i].svpos.x, stage_input[i].svpos.y, 0.0, 1.0);')
|
|
geom.write(' }')
|
|
geom.write(' else if (p.x > p.y && p.x > p.z) {')
|
|
geom.write(' stage_output.svpos = float4(stage_input[i].svpos.y, stage_input[i].svpos.z, 0.0, 1.0);')
|
|
geom.write(' }')
|
|
geom.write(' else {')
|
|
geom.write(' stage_output.svpos = float4(stage_input[i].svpos.x, stage_input[i].svpos.z, 0.0, 1.0);')
|
|
geom.write(' }')
|
|
geom.write(' output.Append(stage_output);')
|
|
geom.write(' }')
|
|
geom.write('}')
|
|
|
|
frag.add_uniform('layout(r8) writeonly image3D voxels')
|
|
frag.write('RWTexture3D<float> voxels;')
|
|
frag.write('uniform float clipmaps[voxelgiClipmapCount * 10];')
|
|
frag.write('uniform int clipmapLevel;')
|
|
|
|
frag.write('struct SPIRV_Cross_Input {')
|
|
frag.write(' float3 wpos : TEXCOORD0;')
|
|
frag.write(' float3 wnor : NORMAL;')
|
|
frag.write('};')
|
|
frag.write('struct SPIRV_Cross_Output { float4 FragColor : SV_TARGET0; };')
|
|
frag.write('void main(SPIRV_Cross_Input stage_input) {')
|
|
frag.write(' float3 uvw = (stage_input.wpos.xyz - float3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[int(clipmapLevel * 10)]) * voxelgiResolution);')
|
|
frag.write(' uvw = uvw * 0.5 + 0.5;')
|
|
frag.write(' if(any(!saturate(uvw))) return;')
|
|
frag.write(' uvw = floor(uvw * voxelgiResolution);')
|
|
frag.write(' uint3 face_offsets = uint3(')
|
|
frag.write(' stage_input.wnor.x > 0 ? 0 : 1,')
|
|
frag.write(' stage_input.wnor.y > 0 ? 2 : 3,')
|
|
frag.write(' stage_input.wnor.z > 0 ? 4 : 5')
|
|
frag.write(' ) * voxelgiResolution;')
|
|
frag.write(' float3 direction_weights = abs(stage_input.wnor);')
|
|
|
|
frag.write(' if (direction_weights.x > 0.0) {')
|
|
frag.write(' float opac_direction = direction_weights.x;')
|
|
frag.write(' voxels[uvw + int3(face_offsets.x, 0, 0))] = float4(opac_direction);')
|
|
frag.write(' }')
|
|
|
|
frag.write(' if (direction_weights.y > 0.0) {')
|
|
frag.write(' float opac_direction = direction_weights.y;')
|
|
frag.write(' voxels[uvw + int3(face_offsets.y, 0, 0))] = float4(opac_direction);')
|
|
frag.write(' }')
|
|
|
|
frag.write(' if (direction_weights.z > 0.0) {')
|
|
frag.write(' float opac_direction = direction_weights.z;')
|
|
frag.write(' voxels[uvw + int3(face_offsets.z, 0, 0))] = float4(opac_direction);')
|
|
frag.write(' }')
|
|
frag.write('}')
|
|
else:
|
|
"""
|
|
frag.add_uniform('layout(r32ui) uimage3D voxels')
|
|
|
|
vert.add_out('vec3 voxpositionGeom')
|
|
vert.add_out('vec3 voxnormalGeom')
|
|
|
|
vert.write('voxpositionGeom = vec3(W * vec4(pos.xyz, 1.0));')
|
|
vert.write('voxnormalGeom = normalize(N * vec3(nor.xy, pos.w));')
|
|
|
|
geom.add_out('vec4 voxposition[3]')
|
|
geom.add_out('vec3 P')
|
|
geom.add_out('vec3 voxnormal')
|
|
geom.add_uniform('float clipmaps[voxelgiClipmapCount * 10]', '_clipmaps')
|
|
geom.add_uniform('int clipmapLevel', '_clipmapLevel')
|
|
|
|
geom.write('vec3 facenormal = abs(voxnormalGeom[0] + voxnormalGeom[1] + voxnormalGeom[2]);')
|
|
geom.write('uint maxi = facenormal[1] > facenormal[0] ? 1 : 0;')
|
|
geom.write('maxi = facenormal[2] > facenormal[maxi] ? 2 : maxi;')
|
|
|
|
geom.write('for (uint i = 0; i < 3; ++i) {')
|
|
geom.write(' voxposition[i].xyz = (voxpositionGeom[i] - vec3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[int(clipmapLevel * 10)]));')
|
|
geom.write(' if (maxi == 0)')
|
|
geom.write(' {')
|
|
geom.write(' voxposition[i].xyz = voxposition[i].zyx;')
|
|
geom.write(' }')
|
|
geom.write(' else if (maxi == 1)')
|
|
geom.write(' {')
|
|
geom.write(' voxposition[i].xyz = voxposition[i].xzy;')
|
|
geom.write(' }')
|
|
geom.write('}')
|
|
|
|
geom.write('for (uint i = 0; i < 3; ++i) {')
|
|
geom.write(' voxposition[i].xy /= voxelgiResolution.xy;')
|
|
geom.write(' voxposition[i].zw = vec2(1.0);')
|
|
geom.write(' P = voxpositionGeom[i];')
|
|
geom.write(' voxnormal = voxnormalGeom[i];')
|
|
geom.write(' gl_Position = voxposition[i];')
|
|
geom.write(' EmitVertex();')
|
|
geom.write('}')
|
|
geom.write('EndPrimitive();')
|
|
|
|
|
|
frag.add_uniform('float clipmaps[voxelgiClipmapCount * 10]', '_clipmaps')
|
|
frag.add_uniform('int clipmapLevel', '_clipmapLevel')
|
|
|
|
frag.write('vec3 uvw = (P - vec3(clipmaps[int(clipmapLevel * 10 + 4)], clipmaps[int(clipmapLevel * 10 + 5)], clipmaps[int(clipmapLevel * 10 + 6)])) / (float(clipmaps[int(clipmapLevel * 10)]) * voxelgiResolution);')
|
|
frag.write('uvw = (uvw * 0.5 + 0.5);')
|
|
frag.write('if(any(notEqual(uvw, clamp(uvw, 0.0, 1.0)))) return;')
|
|
frag.write('vec3 writecoords = floor(uvw * voxelgiResolution);')
|
|
frag.write_attrib('vec3 N = normalize(voxnormal);')
|
|
frag.write('vec3 aniso_direction = N;')
|
|
frag.write('uvec3 face_offsets = uvec3(')
|
|
frag.write(' aniso_direction.x > 0 ? 0 : 1,')
|
|
frag.write(' aniso_direction.y > 0 ? 2 : 3,')
|
|
frag.write(' aniso_direction.z > 0 ? 4 : 5')
|
|
frag.write(' ) * voxelgiResolution;')
|
|
frag.write('vec3 direction_weights = abs(N);')
|
|
|
|
frag.write('if (direction_weights.x > 0) {')
|
|
frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.x, 0, 0)), uint(direction_weights.x * 255));')
|
|
frag.write('}')
|
|
|
|
frag.write('if (direction_weights.y > 0) {')
|
|
frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.y, 0, 0)), uint(direction_weights.y * 255));')
|
|
frag.write('}')
|
|
|
|
frag.write('if (direction_weights.z > 0) {')
|
|
frag.write(' imageAtomicAdd(voxels, ivec3(writecoords + ivec3(face_offsets.z, 0, 0)), uint(direction_weights.z * 255));')
|
|
frag.write('}')
|
|
|
|
return con_voxel
|