def make_base(con_mesh, parse_opacity):
global is_displacement
global write_material_attribs
global write_material_attribs_post
global write_vertex_attribs
wrd = bpy.data.worlds['Arm']
vert = con_mesh.make_vert()
frag = con_mesh.make_frag()
geom = None
tesc = None
tese = None
vert.add_uniform('mat3 N', '_normalMatrix')
vert.write_attrib('vec4 spos = vec4(pos.xyz, 1.0);')
vattr_written = False
rpdat = arm.utils.get_rp()
is_displacement = mat_utils.disp_linked(mat_state.output_node)
if is_displacement:
if rpdat.arm_rp_displacement == 'Vertex':
frag.ins = vert.outs
else: # Tessellation
tesc = con_mesh.make_tesc()
tese = con_mesh.make_tese()
tesc.ins = vert.outs
tese.ins = tesc.outs
frag.ins = tese.outs
make_tess.tesc_levels(tesc, rpdat.arm_tess_mesh_inner,
rpdat.arm_tess_mesh_outer)
make_tess.interpolate(tese, 'wposition', 3, declare_out=True)
make_tess.interpolate(tese,
'wnormal',
3,
declare_out=True,
normalize=True)
# No displacement
else:
frag.ins = vert.outs
if write_vertex_attribs != None:
vattr_written = write_vertex_attribs(vert)
frag.add_include('compiled.inc')
written = False
if write_material_attribs != None:
written = write_material_attribs(con_mesh, frag)
if written == False:
frag.write('vec3 basecol;')
frag.write('float roughness;')
frag.write('float metallic;')
frag.write('float occlusion;')
frag.write('float specular;')
if '_Emission' in wrd.world_defs:
frag.write('float emission;')
if parse_opacity:
frag.write('float opacity;')
cycles.parse(mat_state.nodes,
con_mesh,
vert,
frag,
geom,
tesc,
tese,
parse_opacity=parse_opacity)
if write_material_attribs_post != None:
write_material_attribs_post(con_mesh, frag)
vert.add_out('vec3 wnormal')
make_attrib.write_norpos(con_mesh, vert)
frag.write_attrib('vec3 n = normalize(wnormal);')
if not is_displacement and not vattr_written:
make_attrib.write_vertpos(vert)
make_attrib.write_tex_coords(con_mesh, vert, frag, tese)
if con_mesh.is_elem('col'):
vert.add_out('vec3 vcolor')
vert.write_attrib('vcolor = col.rgb;')
if tese is not None:
tese.write_pre = True
make_tess.interpolate(tese,
'vcolor',
3,
declare_out=frag.contains('vcolor'))
tese.write_pre = False
if con_mesh.is_elem('tang'):
if tese is not None:
tese.add_out('mat3 TBN')
tese.write_attrib(
'vec3 wbitangent = normalize(cross(wnormal, wtangent));')
tese.write_attrib('TBN = mat3(wtangent, wbitangent, wnormal);')
else:
vert.add_out('mat3 TBN')
vert.write_attrib('vec3 tangent = normalize(N * tang.xyz);')
vert.write_attrib(
'vec3 bitangent = normalize(cross(wnormal, tangent));')
vert.write_attrib('TBN = mat3(tangent, bitangent, wnormal);')
if is_displacement:
if rpdat.arm_rp_displacement == 'Vertex':
sh = vert
else:
sh = tese
if (con_mesh.is_elem('ipos')):
vert.write('wposition = vec4(W * spos).xyz;')
sh.add_uniform('mat4 VP', '_viewProjectionMatrix')
sh.write('wposition += wnormal * disp;')
sh.write('gl_Position = VP * vec4(wposition, 1.0);')
def make_forward_solid(con_mesh):
wrd = bpy.data.worlds['Arm']
vert = con_mesh.make_vert()
frag = con_mesh.make_frag()
geom = None
tesc = None
tese = None
for e in con_mesh.data['vertex_elements']:
if e['name'] == 'nor':
con_mesh.data['vertex_elements'].remove(e)
break
vert.write_attrib('vec4 spos = vec4(pos.xyz, 1.0);')
frag.ins = vert.outs
frag.add_include('compiled.inc')
frag.write('vec3 basecol;')
frag.write('float roughness;')
frag.write('float metallic;')
frag.write('float occlusion;')
frag.write('float specular;')
if '_Emission' in wrd.world_defs:
frag.write('float emission;')
arm_discard = mat_state.material.arm_discard
blend = mat_state.material.arm_blending
is_transluc = mat_utils.is_transluc(mat_state.material)
parse_opacity = (blend and is_transluc) or arm_discard
if parse_opacity:
frag.write('float opacity;')
cycles.parse(mat_state.nodes,
con_mesh,
vert,
frag,
geom,
tesc,
tese,
parse_opacity=parse_opacity,
parse_displacement=False,
basecol_only=True)
if arm_discard:
opac = mat_state.material.arm_discard_opacity
frag.write('if (opacity < {0}) discard;'.format(opac))
if con_mesh.is_elem('tex'):
vert.add_out('vec2 texCoord')
vert.add_uniform('float texUnpack', link='_texUnpack')
if mat_state.material.arm_tilesheet_flag:
vert.add_uniform('vec2 tilesheetOffset', '_tilesheetOffset')
vert.write('texCoord = tex * texUnpack + tilesheetOffset;')
else:
vert.write('texCoord = tex * texUnpack;')
if con_mesh.is_elem('col'):
vert.add_out('vec3 vcolor')
vert.write('vcolor = col.rgb;')
make_attrib.write_norpos(con_mesh, vert, write_nor=False)
make_attrib.write_vertpos(vert)
frag.add_out('vec4 fragColor')
if blend and parse_opacity:
frag.write('fragColor = vec4(basecol, opacity);')
else:
frag.write('fragColor = vec4(basecol, 1.0);')
if '_LDR' in wrd.world_defs:
frag.write('fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 2.2));')
def make_mesh_pass(rpass):
con = { 'name': rpass, 'depth_write': True, 'compare_mode': 'less', 'cull_mode': 'clockwise' }
con_mesh = mat_state.data.add_context(con)
mat_state.con_mesh = con_mesh
wrd = bpy.data.worlds['Arm']
vert = con_mesh.make_vert()
frag = con_mesh.make_frag()
geom = None
tesc = None
tese = None
vert.add_uniform('mat3 N', '_normalMatrix')
vert.write_attrib('vec4 spos = vec4(pos.xyz, 1.0);')
frag.ins = vert.outs
frag.add_include('compiled.glsl')
frag.add_uniform('vec3 lightDir', '_lightDirection')
frag.add_uniform('vec3 lightColor', '_lightColor')
frag.add_uniform('float envmapStrength', link='_envmapStrength')
frag.write('float visibility = 1.0;')
frag.write('float dotNL = max(dot(n, lightDir), 0.0);')
is_shadows = '_ShadowMap' in wrd.world_defs
if is_shadows:
vert.add_out('vec4 lightPos')
vert.add_uniform('mat4 LWVP', '_biasLightWorldViewProjectionMatrix')
vert.write('lightPos = LWVP * spos;')
frag.add_include('std/shadows.glsl')
frag.add_uniform('sampler2DShadow shadowMap')
frag.add_uniform('float shadowsBias', '_lightShadowsBias')
frag.write('if (lightPos.w > 0.0) {')
frag.write('vec3 lPos = lightPos.xyz / lightPos.w;')
frag.write('const vec2 smSize = shadowmapSize;')
frag.write('visibility *= PCF(shadowMap, lPos.xy, lPos.z - shadowsBias, smSize);')
frag.write('}')
frag.write('vec3 basecol;')
frag.write('float roughness;')
frag.write('float metallic;')
frag.write('float occlusion;')
frag.write('float specular;')
is_displacement = mat_utils.disp_linked(mat_state.output_node)
arm_discard = mat_state.material.arm_discard
if arm_discard:
frag.write('float opacity;')
cycles.parse(mat_state.nodes, con_mesh, vert, frag, geom, tesc, tese, parse_opacity=arm_discard, parse_displacement=is_displacement)
if is_displacement:
vert.add_uniform('mat4 W', link='_worldMatrix')
vert.add_uniform('mat4 VP', link='_viewProjectionMatrix')
vert.write('vec4 wpos = W * spos;')
vert.write('wpos.xyz += wnormal * disp * 0.1;')
vert.write('gl_Position = VP * wpos;')
else:
make_attrib.write_vertpos(vert)
if arm_discard:
opac = mat_state.material.arm_discard_opacity
frag.write('if (opacity < {0}) discard;'.format(opac))
if con_mesh.is_elem('tex'):
vert.add_out('vec2 texCoord')
vert.add_uniform('float texUnpack', link='_texUnpack')
vert.write_attrib('texCoord = tex * texUnpack;')
if con_mesh.is_elem('col'):
vert.add_out('vec3 vcolor')
vert.write_attrib('vcolor = col;')
if con_mesh.is_elem('tang'):
vert.add_out('mat3 TBN')
make_attrib.write_norpos(con_mesh, vert, declare=True)
vert.write('vec3 tangent = normalize(N * tang.xyz);')
vert.write('vec3 bitangent = normalize(cross(wnormal, tangent));')
vert.write('TBN = mat3(tangent, bitangent, wnormal);')
else:
vert.add_out('vec3 wnormal')
make_attrib.write_norpos(con_mesh, vert)
frag.write_attrib('vec3 n = normalize(wnormal);')
frag.add_out('vec4 fragColor')
frag.write('vec3 direct = basecol * step(0.5, dotNL) * visibility * lightColor;')
frag.write('vec3 indirect = basecol * envmapStrength;')
frag.write('fragColor = vec4(direct + indirect, 1.0);')
if '_LDR' in wrd.world_defs:
frag.write('fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 2.2));')
assets.vs_equal(con_mesh, assets.shader_cons['mesh_vert'])
make_finalize.make(con_mesh)
return con_mesh
def make_forward_mobile(con_mesh):
wrd = bpy.data.worlds['Arm']
vert = con_mesh.make_vert()
frag = con_mesh.make_frag()
geom = None
tesc = None
tese = None
vert.add_uniform('mat3 N', '_normalMatrix')
vert.write_attrib('vec4 spos = vec4(pos.xyz, 1.0);')
frag.ins = vert.outs
frag.add_include('compiled.inc')
frag.write('vec3 basecol;')
frag.write('float roughness;')
frag.write('float metallic;')
frag.write('float occlusion;')
frag.write('float specular;')
if '_Emission' in wrd.world_defs:
frag.write('float emission;')
arm_discard = mat_state.material.arm_discard
blend = mat_state.material.arm_blending
is_transluc = mat_utils.is_transluc(mat_state.material)
parse_opacity = (blend and is_transluc) or arm_discard
if parse_opacity:
frag.write('float opacity;')
cycles.parse(mat_state.nodes,
con_mesh,
vert,
frag,
geom,
tesc,
tese,
parse_opacity=parse_opacity,
parse_displacement=False)
if arm_discard:
opac = mat_state.material.arm_discard_opacity
frag.write('if (opacity < {0}) discard;'.format(opac))
make_attrib.write_tex_coords(con_mesh, vert, frag, tese)
if con_mesh.is_elem('col'):
vert.add_out('vec3 vcolor')
vert.write('vcolor = col.rgb;')
if con_mesh.is_elem('tang'):
vert.add_out('mat3 TBN')
make_attrib.write_norpos(con_mesh, vert, declare=True)
vert.write('vec3 tangent = normalize(N * tang.xyz);')
vert.write('vec3 bitangent = normalize(cross(wnormal, tangent));')
vert.write('TBN = mat3(tangent, bitangent, wnormal);')
else:
vert.add_out('vec3 wnormal')
make_attrib.write_norpos(con_mesh, vert)
frag.write_attrib('vec3 n = normalize(wnormal);')
make_attrib.write_vertpos(vert)
frag.add_include('std/math.glsl')
frag.add_include('std/brdf.glsl')
frag.add_out('vec4 fragColor')
blend = mat_state.material.arm_blending
if blend:
if parse_opacity:
frag.write('fragColor = vec4(basecol, opacity);')
else:
frag.write('fragColor = vec4(basecol, 1.0);')
return
is_shadows = '_ShadowMap' in wrd.world_defs
is_shadows_atlas = '_ShadowMapAtlas' in wrd.world_defs
shadowmap_sun = 'shadowMap'
if is_shadows_atlas:
is_single_atlas = '_SingleAtlas' in wrd.world_defs
shadowmap_sun = 'shadowMapAtlasSun' if not is_single_atlas else 'shadowMapAtlas'
frag.add_uniform('vec2 smSizeUniform', '_shadowMapSize', included=True)
frag.write('vec3 direct = vec3(0.0);')
if '_Sun' in wrd.world_defs:
frag.add_uniform('vec3 sunCol', '_sunColor')
frag.add_uniform('vec3 sunDir', '_sunDirection')
frag.write('float svisibility = 1.0;')
frag.write('float sdotNL = max(dot(n, sunDir), 0.0);')
if is_shadows:
vert.add_out('vec4 lightPosition')
vert.add_uniform('mat4 LWVP',
'_biasLightWorldViewProjectionMatrixSun')
vert.write('lightPosition = LWVP * spos;')
frag.add_uniform('bool receiveShadow')
frag.add_uniform(f'sampler2DShadow {shadowmap_sun}')
frag.add_uniform('float shadowsBias', '_sunShadowsBias')
frag.write('if (receiveShadow) {')
if '_CSM' in wrd.world_defs:
frag.add_include('std/shadows.glsl')
frag.add_uniform('vec4 casData[shadowmapCascades * 4 + 4]',
'_cascadeData',
included=True)
frag.add_uniform('vec3 eye', '_cameraPosition')
frag.write(
f'svisibility = shadowTestCascade({shadowmap_sun}, eye, wposition + n * shadowsBias * 10, shadowsBias);'
)
else:
frag.write('if (lightPosition.w > 0.0) {')
frag.write(
' vec3 lPos = lightPosition.xyz / lightPosition.w;')
if '_Legacy' in wrd.world_defs:
frag.write(
f' svisibility = float(texture({shadowmap_sun}, vec2(lPos.xy)).r > lPos.z - shadowsBias);'
)
else:
frag.write(
f' svisibility = texture({shadowmap_sun}, vec3(lPos.xy, lPos.z - shadowsBias)).r;'
)
frag.write('}')
frag.write('}') # receiveShadow
frag.write('direct += basecol * sdotNL * sunCol * svisibility;')
if '_SinglePoint' in wrd.world_defs:
frag.add_uniform('vec3 pointPos', '_pointPosition')
frag.add_uniform('vec3 pointCol', '_pointColor')
if '_Spot' in wrd.world_defs:
frag.add_uniform('vec3 spotDir', link='_spotDirection')
frag.add_uniform('vec2 spotData', link='_spotData')
frag.write('float visibility = 1.0;')
frag.write('vec3 ld = pointPos - wposition;')
frag.write('vec3 l = normalize(ld);')
frag.write('float dotNL = max(dot(n, l), 0.0);')
if is_shadows:
frag.add_uniform('bool receiveShadow')
frag.add_uniform('float pointBias', link='_pointShadowsBias')
frag.add_include('std/shadows.glsl')
frag.write('if (receiveShadow) {')
if '_Spot' in wrd.world_defs:
vert.add_out('vec4 spotPosition')
vert.add_uniform(
'mat4 LWVPSpotArray[1]',
link='_biasLightWorldViewProjectionMatrixSpotArray')
vert.write('spotPosition = LWVPSpotArray[0] * spos;')
frag.add_uniform('sampler2DShadow shadowMapSpot[1]')
frag.write('if (spotPosition.w > 0.0) {')
frag.write(
' vec3 lPos = spotPosition.xyz / spotPosition.w;')
if '_Legacy' in wrd.world_defs:
frag.write(
' visibility = float(texture(shadowMapSpot[0], vec2(lPos.xy)).r > lPos.z - pointBias);'
)
else:
frag.write(
' visibility = texture(shadowMapSpot[0], vec3(lPos.xy, lPos.z - pointBias)).r;'
)
frag.write('}')
else:
frag.add_uniform('vec2 lightProj', link='_lightPlaneProj')
frag.add_uniform('samplerCubeShadow shadowMapPoint[1]')
frag.write('const float s = shadowmapCubePcfSize;'
) # TODO: incorrect...
frag.write(
'float compare = lpToDepth(ld, lightProj) - pointBias * 1.5;'
)
frag.write('#ifdef _InvY')
frag.write('l.y = -l.y;')
frag.write('#endif')
if '_Legacy' in wrd.world_defs:
frag.write(
'visibility = float(texture(shadowMapPoint[0], vec3(-l + n * pointBias * 20)).r > compare);'
)
else:
frag.write(
'visibility = texture(shadowMapPoint[0], vec4(-l + n * pointBias * 20, compare)).r;'
)
frag.write('}') # receiveShadow
frag.write(
'direct += basecol * dotNL * pointCol * attenuate(distance(wposition, pointPos)) * visibility;'
)
if '_Clusters' in wrd.world_defs:
frag.add_include('std/light_mobile.glsl')
frag.write('vec3 albedo = basecol;')
frag.write('vec3 f0 = surfaceF0(basecol, metallic);')
make_cluster.write(vert, frag)
if '_Irr' in wrd.world_defs:
frag.add_include('std/shirr.glsl')
frag.add_uniform('vec4 shirr[7]', link='_envmapIrradiance')
env_str = 'shIrradiance(n, shirr)'
else:
env_str = '0.5'
frag.add_uniform('float envmapStrength', link='_envmapStrength')
frag.write(
'fragColor = vec4(direct + basecol * {0} * envmapStrength, 1.0);'.
format(env_str))
if '_LDR' in wrd.world_defs:
frag.write('fragColor.rgb = pow(fragColor.rgb, vec3(1.0 / 2.2));')
def make_base(con_mesh, parse_opacity):
global is_displacement
global write_material_attribs
global write_material_attribs_post
global write_vertex_attribs
vert = con_mesh.make_vert()
frag = con_mesh.make_frag()
geom = None
tesc = None
tese = None
vert.add_uniform('mat3 N', '_normalMatrix')
vert.write_attrib('vec4 spos = vec4(pos.xyz, 1.0);')
vattr_written = False
rpdat = arm.utils.get_rp()
is_displacement = mat_utils.disp_linked(mat_state.output_node)
if is_displacement:
if rpdat.arm_rp_displacement == 'Vertex':
frag.ins = vert.outs
else: # Tessellation
tesc = con_mesh.make_tesc()
tese = con_mesh.make_tese()
tesc.ins = vert.outs
tese.ins = tesc.outs
frag.ins = tese.outs
make_tess.tesc_levels(tesc, rpdat.arm_tess_mesh_inner, rpdat.arm_tess_mesh_outer)
make_tess.interpolate(tese, 'wposition', 3, declare_out=True)
make_tess.interpolate(tese, 'wnormal', 3, declare_out=True, normalize=True)
# No displacement
else:
frag.ins = vert.outs
if write_vertex_attribs != None:
vattr_written = write_vertex_attribs(vert)
frag.add_include('compiled.inc')
written = False
if write_material_attribs != None:
written = write_material_attribs(con_mesh, frag)
if written == False:
frag.write('vec3 basecol;')
frag.write('float roughness;')
frag.write('float metallic;')
frag.write('float occlusion;')
frag.write('float specular;')
if parse_opacity:
frag.write('float opacity;')
cycles.parse(mat_state.nodes, con_mesh, vert, frag, geom, tesc, tese, parse_opacity=parse_opacity)
if write_material_attribs_post != None:
write_material_attribs_post(con_mesh, frag)
if not is_displacement and not vattr_written:
make_attrib.write_vertpos(vert)
if con_mesh.is_elem('tex'):
vert.add_out('vec2 texCoord')
vert.add_uniform('float texUnpack', link='_texUnpack')
if mat_state.material.arm_tilesheet_mat:
if mat_state.material.arm_particle_flag and rpdat.arm_particles == 'GPU':
make_particle.write_tilesheet(vert)
else:
vert.add_uniform('vec2 tilesheetOffset', '_tilesheetOffset')
vert.write_attrib('texCoord = tex * texUnpack + tilesheetOffset;')
else:
vert.write_attrib('texCoord = tex * texUnpack;')
if tese != None:
tese.write_pre = True
make_tess.interpolate(tese, 'texCoord', 2, declare_out=frag.contains('texCoord'))
tese.write_pre = False
if con_mesh.is_elem('tex1'):
vert.add_out('vec2 texCoord1')
vert.add_uniform('float texUnpack', link='_texUnpack')
vert.write_attrib('texCoord1 = tex1 * texUnpack;')
if tese != None:
tese.write_pre = True
make_tess.interpolate(tese, 'texCoord1', 2, declare_out=frag.contains('texCoord1'))
tese.write_pre = False
if con_mesh.is_elem('col'):
vert.add_out('vec3 vcolor')
vert.write_attrib('vcolor = col;')
if tese != None:
tese.write_pre = True
make_tess.interpolate(tese, 'vcolor', 3, declare_out=frag.contains('vcolor'))
tese.write_pre = False
if con_mesh.is_elem('tang'):
if tese != None:
vert.add_out('vec3 wnormal')
make_attrib.write_norpos(con_mesh, vert)
tese.add_out('mat3 TBN')
tese.write('vec3 wbitangent = normalize(cross(wnormal, wtangent));')
tese.write('TBN = mat3(wtangent, wbitangent, wnormal);')
else:
vert.add_out('mat3 TBN')
make_attrib.write_norpos(con_mesh, vert, declare=True)
vert.write('vec3 tangent = normalize(N * tang.xyz);')
vert.write('vec3 bitangent = normalize(cross(wnormal, tangent));')
vert.write('TBN = mat3(tangent, bitangent, wnormal);')
else:
vert.add_out('vec3 wnormal')
make_attrib.write_norpos(con_mesh, vert)
frag.write_attrib('vec3 n = normalize(wnormal);')
if is_displacement:
if rpdat.arm_rp_displacement == 'Vertex':
sh = vert
else:
sh = tese
sh.add_uniform('mat4 VP', '_viewProjectionMatrix')
sh.write('wposition += wnormal * disp * 0.1;')
sh.write('gl_Position = VP * vec4(wposition, 1.0);')