64 lines
3.2 KiB
Python
64 lines
3.2 KiB
Python
import bpy
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def write(vert, frag):
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wrd = bpy.data.worlds['Arm']
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is_shadows = '_ShadowMap' in wrd.world_defs
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frag.add_include('std/clusters.glsl')
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frag.add_uniform('vec2 cameraProj', link='_cameraPlaneProj')
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frag.add_uniform('vec2 cameraPlane', link='_cameraPlane')
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frag.add_uniform('vec4 lightsArray[maxLights * 2]', link='_lightsArray')
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frag.add_uniform('sampler2D clustersData', link='_clustersData')
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if is_shadows:
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frag.add_uniform('bool receiveShadow')
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frag.add_uniform('vec2 lightProj', link='_lightPlaneProj', included=True)
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frag.add_uniform('samplerCubeShadow shadowMapPoint[4]', included=True)
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vert.add_out('vec4 wvpposition')
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vert.write('wvpposition = gl_Position;')
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# wvpposition.z / wvpposition.w
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frag.write('float viewz = linearize(gl_FragCoord.z, cameraProj);')
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frag.write('int clusterI = getClusterI((wvpposition.xy / wvpposition.w) * 0.5 + 0.5, viewz, cameraPlane);')
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frag.write('int numLights = int(texelFetch(clustersData, ivec2(clusterI, 0), 0).r * 255);')
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frag.write('#ifdef HLSL')
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frag.write('viewz += texture(clustersData, vec2(0.0)).r * 1e-9;') # TODO: krafix bug, needs to generate sampler
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frag.write('#endif')
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if '_Spot' in wrd.world_defs:
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frag.add_uniform('vec4 lightsArraySpot[maxLights]', link='_lightsArraySpot')
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frag.write('int numSpots = int(texelFetch(clustersData, ivec2(clusterI, 1 + maxLightsCluster), 0).r * 255);')
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frag.write('int numPoints = numLights - numSpots;')
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if is_shadows:
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frag.add_uniform('mat4 LWVPSpot0', link='_biasLightWorldViewProjectionMatrixSpot0', included=True)
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frag.add_uniform('mat4 LWVPSpot1', link='_biasLightWorldViewProjectionMatrixSpot1', included=True)
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frag.add_uniform('mat4 LWVPSpot2', link='_biasLightWorldViewProjectionMatrixSpot2', included=True)
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frag.add_uniform('mat4 LWVPSpot3', link='_biasLightWorldViewProjectionMatrixSpot3', included=True)
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frag.add_uniform('sampler2DShadow shadowMapSpot[4]', included=True)
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frag.write('for (int i = 0; i < min(numLights, maxLightsCluster); i++) {')
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frag.write('int li = int(texelFetch(clustersData, ivec2(clusterI, i + 1), 0).r * 255);')
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frag.write('direct += sampleLight(')
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frag.write(' wposition,')
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frag.write(' n,')
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frag.write(' vVec,')
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frag.write(' dotNV,')
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frag.write(' lightsArray[li * 2].xyz,') # lp
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frag.write(' lightsArray[li * 2 + 1].xyz,') # lightCol
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frag.write(' albedo,')
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frag.write(' roughness,')
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frag.write(' specular,')
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frag.write(' f0')
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if is_shadows:
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frag.write(' , li, lightsArray[li * 2].w, receiveShadow') # bias
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if '_Spot' in wrd.world_defs:
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frag.write(' , li > numPoints - 1')
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frag.write(' , lightsArray[li * 2 + 1].w') # cutoff
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frag.write(' , lightsArraySpot[li].w') # cutoff - exponent
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frag.write(' , lightsArraySpot[li].xyz') # spotDir
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if '_VoxelShadow' in wrd.world_defs and '_VoxelAOvar' in wrd.world_defs:
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frag.write(' , voxels, voxpos')
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frag.write(');')
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frag.write('}') # for numLights
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