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https://github.com/godotengine/godot
synced 2024-09-15 21:29:58 +00:00
glTF: Fix export crash with a ShaderMaterial (fixes #70159)
This commit is contained in:
Quentin Guidée
parent
ab354b8884
commit
b14c87cb92
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@ -3384,177 +3384,179 @@ Error GLTFDocument::_serialize_materials(Ref<GLTFState> p_state) {
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if (!material->get_name().is_empty()) {
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d["name"] = _gen_unique_name(p_state, material->get_name());
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}
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Ref<BaseMaterial3D> base_material = material;
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if (base_material.is_valid()) {
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Dictionary mr;
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{
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Array arr;
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const Color c = base_material->get_albedo().srgb_to_linear();
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arr.push_back(c.r);
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arr.push_back(c.g);
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arr.push_back(c.b);
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arr.push_back(c.a);
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mr["baseColorFactor"] = arr;
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}
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{
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Dictionary bct;
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if (base_material.is_valid()) {
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Ref<Texture2D> albedo_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_ALBEDO);
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GLTFTextureIndex gltf_texture_index = -1;
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if (albedo_texture.is_valid() && albedo_texture->get_image().is_valid()) {
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albedo_texture->set_name(material->get_name() + "_albedo");
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gltf_texture_index = _set_texture(p_state, albedo_texture, base_material->get_texture_filter(), base_material->get_flag(BaseMaterial3D::FLAG_USE_TEXTURE_REPEAT));
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}
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if (gltf_texture_index != -1) {
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bct["index"] = gltf_texture_index;
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Dictionary extensions = _serialize_texture_transform_uv1(material);
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if (!extensions.is_empty()) {
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bct["extensions"] = extensions;
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p_state->use_khr_texture_transform = true;
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}
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mr["baseColorTexture"] = bct;
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}
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}
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}
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if (base_material.is_valid()) {
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mr["metallicFactor"] = base_material->get_metallic();
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mr["roughnessFactor"] = base_material->get_roughness();
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bool has_roughness = base_material->get_texture(BaseMaterial3D::TEXTURE_ROUGHNESS).is_valid() && base_material->get_texture(BaseMaterial3D::TEXTURE_ROUGHNESS)->get_image().is_valid();
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bool has_ao = base_material->get_feature(BaseMaterial3D::FEATURE_AMBIENT_OCCLUSION) && base_material->get_texture(BaseMaterial3D::TEXTURE_AMBIENT_OCCLUSION).is_valid();
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bool has_metalness = base_material->get_texture(BaseMaterial3D::TEXTURE_METALLIC).is_valid() && base_material->get_texture(BaseMaterial3D::TEXTURE_METALLIC)->get_image().is_valid();
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if (has_ao || has_roughness || has_metalness) {
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Dictionary mrt;
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Ref<Texture2D> roughness_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_ROUGHNESS);
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BaseMaterial3D::TextureChannel roughness_channel = base_material->get_roughness_texture_channel();
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Ref<Texture2D> metallic_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_METALLIC);
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BaseMaterial3D::TextureChannel metalness_channel = base_material->get_metallic_texture_channel();
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Ref<Texture2D> ao_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_AMBIENT_OCCLUSION);
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BaseMaterial3D::TextureChannel ao_channel = base_material->get_ao_texture_channel();
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Ref<ImageTexture> orm_texture;
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orm_texture.instantiate();
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Ref<Image> orm_image;
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orm_image.instantiate();
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int32_t height = 0;
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int32_t width = 0;
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Ref<Image> ao_image;
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if (has_ao) {
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height = ao_texture->get_height();
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width = ao_texture->get_width();
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ao_image = ao_texture->get_image();
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Ref<ImageTexture> img_tex = ao_image;
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if (img_tex.is_valid()) {
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ao_image = img_tex->get_image();
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}
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if (ao_image->is_compressed()) {
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ao_image->decompress();
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}
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}
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Ref<Image> roughness_image;
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if (has_roughness) {
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height = roughness_texture->get_height();
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width = roughness_texture->get_width();
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roughness_image = roughness_texture->get_image();
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Ref<ImageTexture> img_tex = roughness_image;
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if (img_tex.is_valid()) {
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roughness_image = img_tex->get_image();
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}
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if (roughness_image->is_compressed()) {
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roughness_image->decompress();
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}
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}
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Ref<Image> metallness_image;
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if (has_metalness) {
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height = metallic_texture->get_height();
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width = metallic_texture->get_width();
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metallness_image = metallic_texture->get_image();
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Ref<ImageTexture> img_tex = metallness_image;
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if (img_tex.is_valid()) {
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metallness_image = img_tex->get_image();
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}
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if (metallness_image->is_compressed()) {
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metallness_image->decompress();
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}
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}
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Ref<Texture2D> albedo_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_ALBEDO);
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if (albedo_texture.is_valid() && albedo_texture->get_image().is_valid()) {
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height = albedo_texture->get_height();
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width = albedo_texture->get_width();
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}
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orm_image->initialize_data(width, height, false, Image::FORMAT_RGBA8);
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if (ao_image.is_valid() && ao_image->get_size() != Vector2(width, height)) {
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ao_image->resize(width, height, Image::INTERPOLATE_LANCZOS);
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}
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if (roughness_image.is_valid() && roughness_image->get_size() != Vector2(width, height)) {
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roughness_image->resize(width, height, Image::INTERPOLATE_LANCZOS);
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}
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if (metallness_image.is_valid() && metallness_image->get_size() != Vector2(width, height)) {
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metallness_image->resize(width, height, Image::INTERPOLATE_LANCZOS);
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}
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for (int32_t h = 0; h < height; h++) {
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for (int32_t w = 0; w < width; w++) {
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Color c = Color(1.0f, 1.0f, 1.0f);
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if (has_ao) {
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if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_RED == ao_channel) {
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c.r = ao_image->get_pixel(w, h).r;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_GREEN == ao_channel) {
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c.r = ao_image->get_pixel(w, h).g;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_BLUE == ao_channel) {
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c.r = ao_image->get_pixel(w, h).b;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_ALPHA == ao_channel) {
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c.r = ao_image->get_pixel(w, h).a;
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}
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}
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if (has_roughness) {
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if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_RED == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).r;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_GREEN == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).g;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_BLUE == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).b;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_ALPHA == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).a;
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}
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}
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if (has_metalness) {
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if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_RED == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).r;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_GREEN == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).g;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_BLUE == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).b;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_ALPHA == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).a;
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}
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}
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orm_image->set_pixel(w, h, c);
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}
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}
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orm_image->generate_mipmaps();
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orm_texture->set_image(orm_image);
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GLTFTextureIndex orm_texture_index = -1;
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if (has_ao || has_roughness || has_metalness) {
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orm_texture->set_name(material->get_name() + "_orm");
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orm_texture_index = _set_texture(p_state, orm_texture, base_material->get_texture_filter(), base_material->get_flag(BaseMaterial3D::FLAG_USE_TEXTURE_REPEAT));
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}
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if (has_ao) {
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Dictionary occt;
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occt["index"] = orm_texture_index;
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d["occlusionTexture"] = occt;
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}
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if (has_roughness || has_metalness) {
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mrt["index"] = orm_texture_index;
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Dictionary extensions = _serialize_texture_transform_uv1(material);
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if (!extensions.is_empty()) {
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mrt["extensions"] = extensions;
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p_state->use_khr_texture_transform = true;
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}
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mr["metallicRoughnessTexture"] = mrt;
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}
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}
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}
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d["pbrMetallicRoughness"] = mr;
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Ref<BaseMaterial3D> base_material = material;
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if (base_material.is_null()) {
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materials.push_back(d);
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continue;
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}
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Dictionary mr;
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{
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Array arr;
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const Color c = base_material->get_albedo().srgb_to_linear();
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arr.push_back(c.r);
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arr.push_back(c.g);
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arr.push_back(c.b);
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arr.push_back(c.a);
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mr["baseColorFactor"] = arr;
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}
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{
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Dictionary bct;
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Ref<Texture2D> albedo_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_ALBEDO);
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GLTFTextureIndex gltf_texture_index = -1;
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if (albedo_texture.is_valid() && albedo_texture->get_image().is_valid()) {
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albedo_texture->set_name(material->get_name() + "_albedo");
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gltf_texture_index = _set_texture(p_state, albedo_texture, base_material->get_texture_filter(), base_material->get_flag(BaseMaterial3D::FLAG_USE_TEXTURE_REPEAT));
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}
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if (gltf_texture_index != -1) {
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bct["index"] = gltf_texture_index;
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Dictionary extensions = _serialize_texture_transform_uv1(material);
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if (!extensions.is_empty()) {
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bct["extensions"] = extensions;
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p_state->use_khr_texture_transform = true;
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}
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mr["baseColorTexture"] = bct;
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}
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}
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mr["metallicFactor"] = base_material->get_metallic();
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mr["roughnessFactor"] = base_material->get_roughness();
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bool has_roughness = base_material->get_texture(BaseMaterial3D::TEXTURE_ROUGHNESS).is_valid() && base_material->get_texture(BaseMaterial3D::TEXTURE_ROUGHNESS)->get_image().is_valid();
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bool has_ao = base_material->get_feature(BaseMaterial3D::FEATURE_AMBIENT_OCCLUSION) && base_material->get_texture(BaseMaterial3D::TEXTURE_AMBIENT_OCCLUSION).is_valid();
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bool has_metalness = base_material->get_texture(BaseMaterial3D::TEXTURE_METALLIC).is_valid() && base_material->get_texture(BaseMaterial3D::TEXTURE_METALLIC)->get_image().is_valid();
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if (has_ao || has_roughness || has_metalness) {
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Dictionary mrt;
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Ref<Texture2D> roughness_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_ROUGHNESS);
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BaseMaterial3D::TextureChannel roughness_channel = base_material->get_roughness_texture_channel();
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Ref<Texture2D> metallic_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_METALLIC);
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BaseMaterial3D::TextureChannel metalness_channel = base_material->get_metallic_texture_channel();
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Ref<Texture2D> ao_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_AMBIENT_OCCLUSION);
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BaseMaterial3D::TextureChannel ao_channel = base_material->get_ao_texture_channel();
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Ref<ImageTexture> orm_texture;
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orm_texture.instantiate();
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Ref<Image> orm_image;
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orm_image.instantiate();
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int32_t height = 0;
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int32_t width = 0;
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Ref<Image> ao_image;
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if (has_ao) {
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height = ao_texture->get_height();
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width = ao_texture->get_width();
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ao_image = ao_texture->get_image();
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Ref<ImageTexture> img_tex = ao_image;
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if (img_tex.is_valid()) {
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ao_image = img_tex->get_image();
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}
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if (ao_image->is_compressed()) {
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ao_image->decompress();
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}
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}
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Ref<Image> roughness_image;
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if (has_roughness) {
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height = roughness_texture->get_height();
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width = roughness_texture->get_width();
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roughness_image = roughness_texture->get_image();
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Ref<ImageTexture> img_tex = roughness_image;
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if (img_tex.is_valid()) {
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roughness_image = img_tex->get_image();
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}
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if (roughness_image->is_compressed()) {
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roughness_image->decompress();
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}
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}
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Ref<Image> metallness_image;
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if (has_metalness) {
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height = metallic_texture->get_height();
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width = metallic_texture->get_width();
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metallness_image = metallic_texture->get_image();
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Ref<ImageTexture> img_tex = metallness_image;
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if (img_tex.is_valid()) {
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metallness_image = img_tex->get_image();
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}
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if (metallness_image->is_compressed()) {
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metallness_image->decompress();
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}
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}
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Ref<Texture2D> albedo_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_ALBEDO);
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if (albedo_texture.is_valid() && albedo_texture->get_image().is_valid()) {
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height = albedo_texture->get_height();
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width = albedo_texture->get_width();
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}
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orm_image->initialize_data(width, height, false, Image::FORMAT_RGBA8);
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if (ao_image.is_valid() && ao_image->get_size() != Vector2(width, height)) {
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ao_image->resize(width, height, Image::INTERPOLATE_LANCZOS);
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}
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if (roughness_image.is_valid() && roughness_image->get_size() != Vector2(width, height)) {
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roughness_image->resize(width, height, Image::INTERPOLATE_LANCZOS);
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}
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if (metallness_image.is_valid() && metallness_image->get_size() != Vector2(width, height)) {
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metallness_image->resize(width, height, Image::INTERPOLATE_LANCZOS);
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}
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for (int32_t h = 0; h < height; h++) {
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for (int32_t w = 0; w < width; w++) {
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Color c = Color(1.0f, 1.0f, 1.0f);
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if (has_ao) {
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if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_RED == ao_channel) {
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c.r = ao_image->get_pixel(w, h).r;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_GREEN == ao_channel) {
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c.r = ao_image->get_pixel(w, h).g;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_BLUE == ao_channel) {
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c.r = ao_image->get_pixel(w, h).b;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_ALPHA == ao_channel) {
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c.r = ao_image->get_pixel(w, h).a;
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}
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}
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if (has_roughness) {
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if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_RED == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).r;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_GREEN == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).g;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_BLUE == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).b;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_ALPHA == roughness_channel) {
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c.g = roughness_image->get_pixel(w, h).a;
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}
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}
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if (has_metalness) {
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if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_RED == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).r;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_GREEN == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).g;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_BLUE == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).b;
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} else if (BaseMaterial3D::TextureChannel::TEXTURE_CHANNEL_ALPHA == metalness_channel) {
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c.b = metallness_image->get_pixel(w, h).a;
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}
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}
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orm_image->set_pixel(w, h, c);
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}
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}
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orm_image->generate_mipmaps();
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orm_texture->set_image(orm_image);
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GLTFTextureIndex orm_texture_index = -1;
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if (has_ao || has_roughness || has_metalness) {
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orm_texture->set_name(material->get_name() + "_orm");
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orm_texture_index = _set_texture(p_state, orm_texture, base_material->get_texture_filter(), base_material->get_flag(BaseMaterial3D::FLAG_USE_TEXTURE_REPEAT));
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}
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if (has_ao) {
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Dictionary occt;
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occt["index"] = orm_texture_index;
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d["occlusionTexture"] = occt;
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}
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if (has_roughness || has_metalness) {
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mrt["index"] = orm_texture_index;
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Dictionary extensions = _serialize_texture_transform_uv1(material);
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if (!extensions.is_empty()) {
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mrt["extensions"] = extensions;
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p_state->use_khr_texture_transform = true;
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}
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mr["metallicRoughnessTexture"] = mrt;
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}
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}
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d["pbrMetallicRoughness"] = mr;
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if (base_material->get_feature(BaseMaterial3D::FEATURE_NORMAL_MAPPING)) {
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Dictionary nt;
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Ref<ImageTexture> tex;
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@ -3607,6 +3609,7 @@ Error GLTFDocument::_serialize_materials(Ref<GLTFState> p_state) {
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arr.push_back(c.b);
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d["emissiveFactor"] = arr;
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}
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if (base_material->get_feature(BaseMaterial3D::FEATURE_EMISSION)) {
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Dictionary et;
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Ref<Texture2D> emission_texture = base_material->get_texture(BaseMaterial3D::TEXTURE_EMISSION);
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@ -3621,16 +3624,19 @@ Error GLTFDocument::_serialize_materials(Ref<GLTFState> p_state) {
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d["emissiveTexture"] = et;
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}
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}
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const bool ds = base_material->get_cull_mode() == BaseMaterial3D::CULL_DISABLED;
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if (ds) {
|
||||
d["doubleSided"] = ds;
|
||||
}
|
||||
|
||||
if (base_material->get_transparency() == BaseMaterial3D::TRANSPARENCY_ALPHA_SCISSOR) {
|
||||
d["alphaMode"] = "MASK";
|
||||
d["alphaCutoff"] = base_material->get_alpha_scissor_threshold();
|
||||
} else if (base_material->get_transparency() != BaseMaterial3D::TRANSPARENCY_DISABLED) {
|
||||
d["alphaMode"] = "BLEND";
|
||||
}
|
||||
|
||||
materials.push_back(d);
|
||||
}
|
||||
if (!materials.size()) {
|
||||
|
|
|
|||
Loading…
Reference in a new issue