X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=336ca31698e9d7b401305198040ca6da92f1d195;hb=HEAD;hp=1df5347098571a3a84d25db46f1df91c3626d229;hpb=401f74574e55fd9e490eaa4f16f1cc97d0603513;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 1df53470..fc144b7a 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,97 +1,216 @@ -import os - -def create_technique_resource(material, resources): - from .datafile import Resource, Statement - tech_res = Resource(material.name+".tech", "technique") - - mat_res = resources[material.name+".mat"] - - st = Statement("pass", "") - if mat_res: - st.sub.append(tech_res.create_embed_statement("material", mat_res)) - - if material.render_mode=='CUSTOM': - shader = material.shader - if shader.endswith(".glsl"): - shader += ".shader" - st.sub.append(Statement("shader", shader)) - - tech_res.statements.append(st) - - return tech_res +import itertools class MaterialExporter: - def __init__(self): - self.use_textures = True - self.inline_texture_data = False - - def create_texture_exporter(self): - from .export_texture import TextureExporter + def export_technique_resources(self, ctx, material, resources): + from .export_texture import SamplerExporter, TextureExporter texture_export = TextureExporter() - texture_export.inline_data = self.inline_texture_data - return texture_export - - def export_technique_resources(self, material, resources): - from .export_texture import SamplerExporter - texture_export = self.create_texture_exporter() sampler_export = SamplerExporter() from .material import Material - material = Material(material) + if type(material)!=Material: + material = Material(material) + + textured_props = [p for p in itertools.chain(material.properties, *(s.properties for s in material.sub_materials)) if p.texture] + + ctx.set_slices(len(textured_props)+1) + for p in textured_props: + ctx.next_slice(p.texture.image) - if self.use_textures: - for p in material.properties: - if p.texture: - tex_name = p.texture.image.name+".tex2d" - if tex_name not in resources: - resources[tex_name] = texture_export.export_texture(p.texture, p.tex_usage) + tex_name = texture_export.get_texture_name(p.texture, p.tex_channels) + if tex_name not in resources: + resources[tex_name] = texture_export.export_texture(p.texture, p.tex_channels) - samp_name = sampler_export.get_sampler_name(p.texture) - if samp_name not in resources: - resources[samp_name] = sampler_export.export_sampler(p.texture) + samp_name = sampler_export.get_sampler_name(p.texture) + if samp_name not in resources: + resources[samp_name] = sampler_export.export_sampler(p.texture) + ctx.next_slice(material) mat_name = material.name+".mat" if mat_name not in resources: if material.type: - resources[mat_name] = self.export_material(material, resources=resources) + resources[mat_name] = self.export_material(material, resources) else: resources[mat_name] = None - def export_technique(self, material, *, resources): - return create_technique_resource(material, resources) + for thsm in (False, True): + occluder_variant, occluder_spec_values = self.get_occluder_shader_variant(material, thsm) + if occluder_spec_values: + base_variant = "_thsm" if thsm else "" + shader_name = "occluder{}.shader".format(occluder_variant) + if shader_name not in resources: + resources[shader_name] = self.export_shader(shader_name, "occluder{}.glsl".format(base_variant), occluder_spec_values, resources) - def export_material(self, material, *, resources): - from .datafile import Resource, Statement + def export_technique(self, material, resources): + from .material import Material + if type(material)!=Material: + material = Material(material) + + from .datafile import Resource, Statement, Token + tech_res = Resource(material.name+".tech", "technique") + + mat_res = resources[material.name+".mat"] + + blend_st = None + if material.blend_type=='ALPHA': + blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE_MINUS_SRC_ALPHA")) + elif material.blend_type=='ADDITIVE': + blend_st = Statement("blend", Token("ONE"), Token("ONE")) + elif material.blend_type=='ADDITIVE_ALPHA': + blend_st = Statement("blend", Token("SRC_ALPHA"), Token("ONE")) + + if material.render_mode=='CUSTOM': + for m in material.render_methods: + st = Statement("method", m.tag) + if mat_res and m.use_material: + st.sub.append(tech_res.create_reference_statement("material", mat_res)) + + if m.tag=="blended" and blend_st: + st.sub.append(blend_st) + + shader = m.shader + if shader.endswith(".glsl"): + shader += ".shader" + st.sub.append(Statement("shader", shader)) + + if material.uniforms: + ss = Statement("uniforms") + for u in material.uniforms: + ss.sub.append(Statement("uniform", u.name, *u.values[:u.size])) + st.sub.append(ss) + + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) + + tech_res.statements.append(st) + else: + base_method = "blended" if material.blend_type!='NONE' else "" + st = Statement("method", base_method) + if mat_res: + st.sub.append(tech_res.create_embed_statement("material", mat_res)) + + if blend_st: + st.sub.append(blend_st) + elif material.alpha_cutoff>0.0: + ss = Statement("blend") + ss.sub.append(Statement("alpha_to_coverage", True)) + st.sub.append(ss) + if material.receive_shadows: + st.sub.append(Statement("receive_shadows", True)) + if material.image_based_lighting: + st.sub.append(Statement("image_based_lighting", True)) + if material.instancing: + st.sub.append(Statement("instancing", True)) + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) + + tech_res.statements.append(st) + + if material.cast_shadows: + tech_res.statements.append(self.create_shadow_method(tech_res, material, resources, False)); + tech_res.statements.append(self.create_shadow_method(tech_res, material, resources, True)); + + return tech_res + + def create_shadow_method(self, tech_res, material, resources, thsm): + from .datafile import Statement, Token + + occluder_variant, occluder_spec_values = self.get_occluder_shader_variant(material, thsm) + + shader_stem = "occluder{}.shader" if occluder_spec_values else "occluder{}.glsl.shader" + shader_name = shader_stem.format(occluder_variant) + + st = Statement("method", "shadow"+("_thsm" if thsm else "")) + if occluder_spec_values: + st.sub.append(tech_res.create_reference_statement("shader", resources[shader_name])) + else: + st.sub.append(Statement("shader", shader_name)) + + if occluder_spec_values.get("use_alpha_cutoff"): + ss = Statement("texture", "alpha_map") + + from .export_texture import TextureExporter + from .export_texture import SamplerExporter + texture_export = TextureExporter() + sampler_export = SamplerExporter() + + color_prop = material.properties[0] + tex_res = resources[texture_export.get_texture_name(color_prop.texture, color_prop.tex_channels)] + ss.sub.append(tech_res.create_reference_statement("texture", tex_res)) + ss.sub.append(tech_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(color_prop.texture)])) + st.sub.append(ss) + + ss = Statement("uniforms") + ss.sub.append(Statement("uniform", "alpha_cutoff", material.alpha_cutoff)) + st.sub.append(ss) + + if material.face_cull=='BACK': + st.sub.append(Statement("face_cull", Token("CULL_BACK"))) + + return st; + + def get_occluder_shader_variant(self, material, thsm): + variant = "" + if thsm: + variant += "_thsm" + + spec_values = {} + + if material.cast_shadows and material.alpha_cutoff>0.0: + spec_values["use_alpha_cutoff"] = True + variant += "_masked" + if material.instancing: + spec_values["use_instancing"] = True + variant += "_instanced" + + return (variant, spec_values) + + def export_material(self, material, resources): + from .datafile import Resource, Statement, Token mat_res = Resource(material.name+".mat", "material") - if material.type!="pbr": - raise Exception("Can't export unknown material type "+material.type) + if material.type!="pbr" and material.type!="unlit" and material.type!="splat": + raise Exception("Can't export material {} of unknown type {}".format(material.name, material.type)) - st = Statement(material.type) + mat_res.statements.append(Statement("type", Token(material.type))); for p in material.properties: - ss = self.create_property_statement(mat_res, p, resources) - if ss: - st.sub.append(ss) - if self.use_textures: - first_tex = (p.texture for p in material.properties if p.texture).__next__() - if first_tex and not first_tex.default_filter: - from .export_texture import SamplerExporter - sampler_export = SamplerExporter() - st.sub.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(first_tex)])) - mat_res.statements.append(st) + st = self.create_property_statement(mat_res, p, resources) + if st: + mat_res.statements.append(st) + + if material.sub_materials: + for k, s in material.array_storage.items(): + mat_res.statements.append(Statement(k.replace("_map", "_storage"), Token(s[0]), s[1], s[2])) + for s in material.sub_materials: + st = Statement("sub") + for p in s.properties: + ss = self.create_property_statement(mat_res, p, resources, raw_texture=True) + if ss: + st.sub.append(ss) + mat_res.statements.append(st) + + textures = [p.texture for p in itertools.chain(material.properties, *(s.properties for s in material.sub_materials)) if p.texture] + if textures: + from .export_texture import SamplerExporter + sampler_export = SamplerExporter() + mat_res.statements.append(mat_res.create_reference_statement("sampler", resources[sampler_export.get_sampler_name(textures[0])])) + if material.alpha_cutoff>0.0: + mat_res.statements.append(Statement("alpha_cutoff", material.alpha_cutoff)) return mat_res - def create_property_statement(self, mat_res, prop, resources): + def create_property_statement(self, mat_res, prop, resources, *, raw_texture=False): from .datafile import Statement - if self.use_textures and prop.texture: - tex_res = resources[prop.texture.image.name+".tex2d"] - from .util import basename - fn = basename(prop.texture.image.filepath) - if prop.texture.default_filter and fn: - return Statement(prop.tex_keyword, fn) - else: - return mat_res.create_reference_statement(prop.tex_keyword, tex_res) + if prop.texture: + from .export_texture import TextureExporter + texture_export = TextureExporter() + tex_res = resources[texture_export.get_texture_name(prop.texture, prop.tex_channels)] + if raw_texture: + for s in tex_res.statements: + if s.keyword.startswith("external_data"): + return mat_res.create_reference_statement(prop.tex_keyword, s.args[0]) + elif s.keyword.startswith("external_image"): + return Statement(prop.tex_keyword, s.args[0]) + return mat_res.create_reference_statement(prop.tex_keyword, tex_res) elif not prop.keyword: return elif type(prop.value)==tuple: @@ -99,41 +218,13 @@ class MaterialExporter: else: return Statement(prop.keyword, prop.value) + def export_shader(self, name, module, spec_values, resources): + from .datafile import Resource, Statement + shader_res = Resource(name, "shader") -class MaterialMapExporter: - def __init__(self): - pass - - def export_technique_resources(self, material_map, resources): - from .datafile import Resource, Statement, Token - base_color_name = material_map.name+"_base_color.tex2d" - base_color_res = resources.get(base_color_name) - if not base_color_res: - base_color_res = Resource(base_color_name, "texture2d") - - base_color_res.statements.append(Statement("storage", Token('SRGB_ALPHA'), *material_map.size)) - base_color_res.statements.append(Statement("raw_data", material_map.base_color_data)) - - resources[base_color_name] = base_color_res - - sampler_name = "nearest.samp" - sampler_res = resources.get(sampler_name) - if not sampler_res: - sampler_res = Resource(sampler_name, "sampler") - - sampler_res.statements.append(Statement("filter", Token('NEAREST'))) - - resources[sampler_name] = sampler_res - - mat_name = material_map.name+".mat" - if mat_name not in resources: - mat_res = Resource(mat_name, "material") - st = Statement("pbr") - st.sub.append(mat_res.create_reference_statement("base_color_map", base_color_res)) - st.sub.append(mat_res.create_reference_statement("sampler", sampler_res)) - mat_res.statements.append(st) - - resources[mat_name] = mat_res + st = Statement("module", module) + for k, v in spec_values.items(): + st.sub.append(Statement("specialize", k, v)) + shader_res.statements.append(st) - def export_technique(self, material_map, *, resources): - return create_technique_resource(material_map, resources) + return shader_res