diff options
Diffstat (limited to 'indra/llprimitive/llgltfmaterial.cpp')
| -rw-r--r-- | indra/llprimitive/llgltfmaterial.cpp | 38 |
1 files changed, 19 insertions, 19 deletions
diff --git a/indra/llprimitive/llgltfmaterial.cpp b/indra/llprimitive/llgltfmaterial.cpp index d0ecf611ff..f3aa5b0648 100644 --- a/indra/llprimitive/llgltfmaterial.cpp +++ b/indra/llprimitive/llgltfmaterial.cpp @@ -43,26 +43,16 @@ const char* const GLTF_FILE_EXTENSION_TRANSFORM_ROTATION = "rotation"; // special UUID that indicates a null UUID in override data static const LLUUID GLTF_OVERRIDE_NULL_UUID = LLUUID("ffffffff-ffff-ffff-ffff-ffffffffffff"); -// https://github.com/KhronosGroup/glTF/tree/main/extensions/3.0/Khronos/KHR_texture_transform -LLMatrix3 LLGLTFMaterial::TextureTransform::asMatrix() +void LLGLTFMaterial::TextureTransform::getPacked(F32 (&packed)[8]) { - LLMatrix3 scale; - scale.mMatrix[0][0] = mScale[0]; - scale.mMatrix[1][1] = mScale[1]; - - LLMatrix3 rotation; - const F32 cos_r = cos(mRotation); - const F32 sin_r = sin(mRotation); - rotation.mMatrix[0][0] = cos_r; - rotation.mMatrix[0][1] = -sin_r; - rotation.mMatrix[1][0] = sin_r; - rotation.mMatrix[1][1] = cos_r; - - LLMatrix3 offset; - offset.mMatrix[2][0] = mOffset[0]; - offset.mMatrix[2][1] = mOffset[1]; - - return offset * rotation * scale; + packed[0] = mScale.mV[VX]; + packed[1] = mScale.mV[VY]; + packed[2] = mRotation; + // packed[3] = unused + packed[4] = mOffset.mV[VX]; + packed[5] = mOffset.mV[VY]; + // packed[6] = unused + // packed[7] = unused } bool LLGLTFMaterial::TextureTransform::operator==(const TextureTransform& other) const @@ -702,3 +692,13 @@ void LLGLTFMaterial::applyOverride(const LLGLTFMaterial& override_mat) } } } + +LLUUID LLGLTFMaterial::getHash() const +{ + LL_PROFILE_ZONE_SCOPED_CATEGORY_TEXTURE; + // HACK - hash the bytes of this object but don't include the ref count + LLUUID hash; + HBXXH128::digest(hash, (unsigned char*)this + sizeof(LLRefCount), sizeof(*this) - sizeof(LLRefCount)); + return hash; +} + |