X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=blender%2Fio_mspgl%2Fexport_material.py;h=64d11b8689bc90806349aaab6df375869e187a7f;hb=4291fcf9489087492085b70e7960bdb3dbb5dc9c;hp=36dbdc690696346b544e2e367518859df60da693;hpb=26b48751894c71b94ccf46bdf864d30fc29fa739;p=libs%2Fgl.git diff --git a/blender/io_mspgl/export_material.py b/blender/io_mspgl/export_material.py index 36dbdc69..64d11b86 100644 --- a/blender/io_mspgl/export_material.py +++ b/blender/io_mspgl/export_material.py @@ -1,87 +1,3 @@ -def create_shadow_method(tech_res, material, resources, detail): - from .datafile import Statement - - color_prop = next((p for p in material.properties if p.keyword and "color" in p.keyword), None) - - st = Statement("method", "shadow"+detail) - if material.alpha_cutoff>0.0 and color_prop and 'A' in color_prop.tex_channels: - st.sub.append(tech_res.create_reference_statement("shader", resources["occluder{}_masked.shader".format(detail)])) - ss = Statement("texture", "alpha_map") - - from .export_texture import TextureExporter - from .export_texture import SamplerExporter - texture_export = TextureExporter() - sampler_export = SamplerExporter() - - 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) - else: - st.sub.append(Statement("shader", "occluder{}.glsl.shader".format(detail))) - - return st; - -def create_technique_resource(material, resources): - 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) - - 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) - if material.receive_shadows: - st.sub.append(Statement("receive_shadows", True)) - if material.image_based_lighting: - st.sub.append(Statement("image_based_lighting", True)) - - tech_res.statements.append(st) - - if material.cast_shadows: - tech_res.statements.append(create_shadow_method(tech_res, material, resources, "")); - tech_res.statements.append(create_shadow_method(tech_res, material, resources, "_thsm")); - - return tech_res - class MaterialExporter: def export_technique_resources(self, ctx, material, resources): from .export_texture import SamplerExporter, TextureExporter @@ -114,18 +30,134 @@ class MaterialExporter: else: resources[mat_name] = None - if material.cast_shadows and material.alpha_cutoff>0.0: - for detail in ("", "_thsm"): - shader_name = "occluder{}_masked.shader".format(detail) + 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(detail), {"use_alpha_cutoff":True}, resources) + resources[shader_name] = self.export_shader(shader_name, "occluder{}.glsl".format(base_variant), occluder_spec_values, resources) def export_technique(self, material, resources): from .material import Material if type(material)!=Material: material = Material(material) - return create_technique_resource(material, resources) + 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) + 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 = {} + + color_prop = material.properties[0] + 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 @@ -173,42 +205,3 @@ class MaterialExporter: shader_res.statements.append(st) return shader_res - - -class MaterialAtlasExporter: - def __init__(self): - pass - - def export_technique_resources(self, material_atlas, resources): - from .datafile import Resource, Statement, Token - base_color_name = material_atlas.name+"_base_color.tex" - base_color_res = resources.get(base_color_name) - if not base_color_res: - base_color_res = Resource(base_color_name, "texture") - - base_color_res.statements.append(Statement("type", Token("\\2d"))) - base_color_res.statements.append(Statement("storage", Token('SRGB_ALPHA'), *material_atlas.size)) - base_color_res.statements.append(Statement("raw_data", material_atlas.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_atlas.name+".mat" - if mat_name not in resources: - mat_res = Resource(mat_name, "material") - mat_res.statements.append(Statement("type", Token('pbr'))) - mat_res.statements.append(mat_res.create_reference_statement("base_color_map", base_color_res)) - mat_res.statements.append(mat_res.create_reference_statement("sampler", sampler_res)) - - resources[mat_name] = mat_res - - def export_technique(self, material_atlas, resources): - return create_technique_resource(material_atlas, resources)