diff options
Diffstat (limited to 'indra/llprimitive/llgltfmaterial.h')
| -rw-r--r-- | indra/llprimitive/llgltfmaterial.h | 103 |
1 files changed, 58 insertions, 45 deletions
diff --git a/indra/llprimitive/llgltfmaterial.h b/indra/llprimitive/llgltfmaterial.h index 855cb58832..10df4c8ee1 100644 --- a/indra/llprimitive/llgltfmaterial.h +++ b/indra/llprimitive/llgltfmaterial.h @@ -5,21 +5,21 @@ * $LicenseInfo:firstyear=2022&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2022, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -68,7 +68,12 @@ public: LLVector2 mScale = { 1.f, 1.f }; F32 mRotation = 0.f; - void getPacked(F32 (&packed)[8]) const; + static const size_t PACK_SIZE = 8; + static const size_t PACK_TIGHT_SIZE = 5; + using Pack = F32[PACK_SIZE]; + using PackTight = F32[PACK_TIGHT_SIZE]; + void getPacked(Pack& packed) const; + void getPackedTight(PackTight& packed) const; bool operator==(const TextureTransform& other) const; bool operator!=(const TextureTransform& other) const { return !(*this == other); } @@ -81,7 +86,7 @@ public: ALPHA_MODE_MASK }; - LLGLTFMaterial() {} + LLGLTFMaterial(); LLGLTFMaterial(const LLGLTFMaterial& rhs); LLGLTFMaterial& operator=(const LLGLTFMaterial& rhs); @@ -110,42 +115,6 @@ public: static const char* const GLTF_FILE_EXTENSION_TRANSFORM_ROTATION; static const LLUUID GLTF_OVERRIDE_NULL_UUID; - std::array<LLUUID, GLTF_TEXTURE_INFO_COUNT> mTextureId; - std::array<TextureTransform, GLTF_TEXTURE_INFO_COUNT> mTextureTransform; - - // NOTE: initialize values to defaults according to the GLTF spec - // NOTE: these values should be in linear color space - LLColor4 mBaseColor = LLColor4(1, 1, 1, 1); - LLColor3 mEmissiveColor = LLColor3(0, 0, 0); - - F32 mMetallicFactor = 1.f; - F32 mRoughnessFactor = 1.f; - F32 mAlphaCutoff = 0.5f; - - AlphaMode mAlphaMode = ALPHA_MODE_OPAQUE; - - bool mDoubleSided = false; - - // override specific flags for state that can't use off-by-epsilon or UUID hack - bool mOverrideDoubleSided = false; - bool mOverrideAlphaMode = false; - - // *TODO: If/when we implement additional GLTF extensions, they may not be - // compatible with our GLTF terrain implementation. We may want to disallow - // materials with some features from being set on terrain, if their - // implementation on terrain is not compliant with the spec: - // - KHR_materials_transmission: Probably OK? - // - KHR_materials_ior: Probably OK? - // - KHR_materials_volume: Likely incompatible, as our terrain - // heightmaps cannot currently be described as finite enclosed - // volumes. - // See also LLPanelRegionTerrainInfo::validateMaterials - // These fields are local to viewer and are a part of local bitmap support - typedef std::map<LLUUID, LLUUID> local_tex_map_t; - local_tex_map_t mTrackingIdToLocalTexture; - -public: - // get a UUID based on a hash of this LLGLTFMaterial LLUUID getHash() const; @@ -214,14 +183,14 @@ public: void writeToModel(tinygltf::Model& model, S32 mat_index) const; virtual void applyOverride(const LLGLTFMaterial& override_mat); - + // apply the given LLSD override data void applyOverrideLLSD(const LLSD& data); // Get the given override on this LLGLTFMaterial as LLSD // override_mat -- the override source data // data -- output LLSD object (should be passed in empty) - void getOverrideLLSD(const LLGLTFMaterial& override_mat, LLSD& data); + void getOverrideLLSD(const LLGLTFMaterial& override_mat, LLSD& data) const; // For base materials only (i.e. assets). Clears transforms to // default since they're not supported in assets yet. @@ -245,7 +214,6 @@ public: bool hasLocalTextures() { return !mTrackingIdToLocalTexture.empty(); } virtual bool replaceLocalTexture(const LLUUID& tracking_id, const LLUUID &old_id, const LLUUID& new_id); virtual void updateTextureTracking(); - protected: static LLVector2 vec2FromJson(const std::map<std::string, tinygltf::Value>& object, const char* key, const LLVector2& default_value); static F32 floatFromJson(const std::map<std::string, tinygltf::Value>& object, const char* key, const F32 default_value); @@ -262,4 +230,49 @@ protected: void writeToTexture(tinygltf::Model& model, T& texture_info, TextureInfo texture_info_id, bool force_write = false) const; template<typename T> static void writeToTexture(tinygltf::Model& model, T& texture_info, const LLUUID& texture_id, const TextureTransform& transform, bool force_write = false); + + // Used to update the digest of the mTrackingIdToLocalTexture map each time + // it is changed; this way, that digest can be used by the fast getHash() + // method intsead of having to hash all individual keys and values. HB + void updateLocalTexDataDigest(); + +public: + // *TODO: If/when we implement additional GLTF extensions, they may not be + // compatible with our GLTF terrain implementation. We may want to disallow + // materials with some features from being set on terrain, if their + // implementation on terrain is not compliant with the spec: + // - KHR_materials_transmission: Probably OK? + // - KHR_materials_ior: Probably OK? + // - KHR_materials_volume: Likely incompatible, as our terrain + // heightmaps cannot currently be described as finite enclosed + // volumes. + // See also LLPanelRegionTerrainInfo::validateMaterials + // These fields are local to viewer and are a part of local bitmap support + typedef std::map<LLUUID, LLUUID> local_tex_map_t; + local_tex_map_t mTrackingIdToLocalTexture; + + // Used to store a digest of mTrackingIdToLocalTexture when the latter is + // not empty, or zero otherwise. HB + U64 mLocalTexDataDigest; + + std::array<LLUUID, GLTF_TEXTURE_INFO_COUNT> mTextureId; + std::array<TextureTransform, GLTF_TEXTURE_INFO_COUNT> mTextureTransform; + + // NOTE: initialize values to defaults according to the GLTF spec + // NOTE: these values should be in linear color space + LLColor4 mBaseColor; + LLColor3 mEmissiveColor; + + F32 mMetallicFactor; + F32 mRoughnessFactor; + F32 mAlphaCutoff; + + AlphaMode mAlphaMode; + + bool mDoubleSided = false; + + // Override specific flags for state that can't use off-by-epsilon or UUID + // hack + bool mOverrideDoubleSided = false; + bool mOverrideAlphaMode = false; }; |