diff options
author | Nat Goodspeed <nat@lindenlab.com> | 2024-06-11 10:21:19 -0400 |
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committer | Nat Goodspeed <nat@lindenlab.com> | 2024-06-11 10:21:19 -0400 |
commit | 30f4163b7b576d96533b61d9b31243960fb83f2e (patch) | |
tree | bd5dc1450e08c674a4619d7f16a9a4816005f9c4 /indra/newview/lltinygltfhelper.cpp | |
parent | 3d1aac4f5c369e9d402c41f1c790d9015f7c7773 (diff) | |
parent | f5e2708a0fc4e08d3d0a5dc393bbd4bac09e1c55 (diff) |
Merge branch 'main' of github.com:secondlife/viewer into lua-bradfix
to pick up Featurettes promotion + Brad's GitHub Windows build workaround.
Diffstat (limited to 'indra/newview/lltinygltfhelper.cpp')
-rw-r--r-- | indra/newview/lltinygltfhelper.cpp | 61 |
1 files changed, 39 insertions, 22 deletions
diff --git a/indra/newview/lltinygltfhelper.cpp b/indra/newview/lltinygltfhelper.cpp index cd1b071574..4e41f9959a 100644 --- a/indra/newview/lltinygltfhelper.cpp +++ b/indra/newview/lltinygltfhelper.cpp @@ -87,20 +87,30 @@ void LLTinyGLTFHelper::initFetchedTextures(tinygltf::Material& material, { strip_alpha_channel(mr_img); - if (occlusion_img && material.pbrMetallicRoughness.metallicRoughnessTexture.index != material.occlusionTexture.index) + if (occlusion_img) { - // occlusion is a distinct texture from pbrMetallicRoughness - // pack into mr red channel - int occlusion_idx = material.occlusionTexture.index; - int mr_idx = material.pbrMetallicRoughness.metallicRoughnessTexture.index; - if (occlusion_idx != mr_idx) + if (material.pbrMetallicRoughness.metallicRoughnessTexture.index != material.occlusionTexture.index) { - //scale occlusion image to match resolution of mr image - occlusion_img->scale(mr_img->getWidth(), mr_img->getHeight()); - - copy_red_channel(occlusion_img, mr_img); + // occlusion is a distinct texture from pbrMetallicRoughness + // pack into mr red channel + int occlusion_idx = material.occlusionTexture.index; + int mr_idx = material.pbrMetallicRoughness.metallicRoughnessTexture.index; + if (occlusion_idx != mr_idx) + { + //scale occlusion image to match resolution of mr image + occlusion_img->scale(mr_img->getWidth(), mr_img->getHeight()); + + copy_red_channel(occlusion_img, mr_img); + } } } + else if (material.occlusionTexture.index == -1) + { + // no occlusion, make sure red channel of ORM is all 255 + occlusion_img = new LLImageRaw(mr_img->getWidth(), mr_img->getHeight(), 3); + occlusion_img->clear(255, 255, 255); + copy_red_channel(occlusion_img, mr_img); + } } else if (occlusion_img) { @@ -147,7 +157,7 @@ const tinygltf::Image * LLTinyGLTFHelper::getImageFromTextureIndex(const tinyglt return nullptr; } -LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tinygltf::Model & model, S32 texture_index, std::string & name) +LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tinygltf::Model & model, S32 texture_index, std::string & name, bool flip) { const tinygltf::Image* image = getImageFromTextureIndex(model, texture_index); LLImageRaw* rawImage = nullptr; @@ -159,14 +169,17 @@ LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tiny { name = image->name; rawImage = new LLImageRaw(&image->image[0], image->width, image->height, image->component); - rawImage->verticalFlip(); + if (flip) + { + rawImage->verticalFlip(); + } rawImage->optimizeAwayAlpha(); } return rawImage; } -LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tinygltf::Model & model, S32 texture_index) +LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tinygltf::Model & model, S32 texture_index, bool flip) { const tinygltf::Image* image = getImageFromTextureIndex(model, texture_index); LLImageRaw* rawImage = nullptr; @@ -177,7 +190,10 @@ LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tiny image->component <= 4) { rawImage = new LLImageRaw(&image->image[0], image->width, image->height, image->component); - rawImage->verticalFlip(); + if (flip) + { + rawImage->verticalFlip(); + } rawImage->optimizeAwayAlpha(); } @@ -187,7 +203,7 @@ LLImageRaw * LLTinyGLTFHelper::getTexture(const std::string & folder, const tiny bool LLTinyGLTFHelper::loadModel(const std::string& filename, tinygltf::Model& model_in) { std::string exten = gDirUtilp->getExtension(filename); - + if (exten == "gltf" || exten == "glb") { tinygltf::TinyGLTF loader; @@ -224,7 +240,7 @@ bool LLTinyGLTFHelper::loadModel(const std::string& filename, tinygltf::Model& m LL_WARNS("GLTF") << "Cannot load. File has no materials " << filename << LL_ENDL; return false; } - + return true; } @@ -237,7 +253,8 @@ bool LLTinyGLTFHelper::getMaterialFromModel( const tinygltf::Model& model_in, S32 mat_index, LLFetchedGLTFMaterial* material, - std::string& material_name) + std::string& material_name, + bool flip) { llassert(material); @@ -256,18 +273,18 @@ bool LLTinyGLTFHelper::getMaterialFromModel( material_name = material_in.name; // get base color texture - LLPointer<LLImageRaw> base_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.pbrMetallicRoughness.baseColorTexture.index); + LLPointer<LLImageRaw> base_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.pbrMetallicRoughness.baseColorTexture.index, flip); // get normal map - LLPointer<LLImageRaw> normal_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.normalTexture.index); + LLPointer<LLImageRaw> normal_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.normalTexture.index, flip); // get metallic-roughness texture - LLPointer<LLImageRaw> mr_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.pbrMetallicRoughness.metallicRoughnessTexture.index); + LLPointer<LLImageRaw> mr_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.pbrMetallicRoughness.metallicRoughnessTexture.index, flip); // get emissive texture - LLPointer<LLImageRaw> emissive_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.emissiveTexture.index); + LLPointer<LLImageRaw> emissive_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.emissiveTexture.index, flip); // get occlusion map if needed LLPointer<LLImageRaw> occlusion_img; if (material_in.occlusionTexture.index != material_in.pbrMetallicRoughness.metallicRoughnessTexture.index) { - occlusion_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.occlusionTexture.index); + occlusion_img = LLTinyGLTFHelper::getTexture(folder, model_in, material_in.occlusionTexture.index, flip); } LLPointer<LLViewerFetchedTexture> base_color_tex; |