diff options
Diffstat (limited to 'indra/llprimitive')
| -rw-r--r-- | indra/llprimitive/llgltfmaterial.cpp | 31 | ||||
| -rw-r--r-- | indra/llprimitive/llgltfmaterial.h | 8 |
2 files changed, 39 insertions, 0 deletions
diff --git a/indra/llprimitive/llgltfmaterial.cpp b/indra/llprimitive/llgltfmaterial.cpp index cc4921416f..930222e3db 100644 --- a/indra/llprimitive/llgltfmaterial.cpp +++ b/indra/llprimitive/llgltfmaterial.cpp @@ -923,3 +923,34 @@ void LLGLTFMaterial::updateTextureTracking() // setTEGLTFMaterialOverride is responsible for tracking // for material overrides editor will set it } + +void LLGLTFMaterial::convertTextureTransformToPBR( + F32 tex_scale_s, + F32 tex_scale_t, + F32 tex_offset_s, + F32 tex_offset_t, + F32 tex_rotation, + LLVector2& pbr_scale, + LLVector2& pbr_offset, + F32& pbr_rotation) +{ + pbr_scale.set(tex_scale_s, tex_scale_t); + pbr_rotation = -(tex_rotation) / 2.f; + const F32 adjusted_offset_s = tex_offset_s; + const F32 adjusted_offset_t = -tex_offset_t; + F32 center_adjust_s = 0.5f * (1.0f - tex_scale_s); + F32 center_adjust_t = 0.5f * (1.0f - tex_scale_t); + + if (pbr_rotation != 0.0f) + { + const F32 c = cosf(pbr_rotation); + const F32 s = sinf(pbr_rotation); + const F32 tmp_s = center_adjust_s * c - center_adjust_t * s; + const F32 tmp_t = center_adjust_s * s + center_adjust_t * c; + center_adjust_s = tmp_s; + center_adjust_t = tmp_t; + } + + pbr_offset.set(adjusted_offset_s + center_adjust_s, + adjusted_offset_t + center_adjust_t); +} diff --git a/indra/llprimitive/llgltfmaterial.h b/indra/llprimitive/llgltfmaterial.h index 10df4c8ee1..8d45cb6185 100644 --- a/indra/llprimitive/llgltfmaterial.h +++ b/indra/llprimitive/llgltfmaterial.h @@ -214,6 +214,14 @@ public: bool hasLocalTextures() { return !mTrackingIdToLocalTexture.empty(); } virtual bool replaceLocalTexture(const LLUUID& tracking_id, const LLUUID &old_id, const LLUUID& new_id); virtual void updateTextureTracking(); + + // Convert legacy TE transform values to PBR transform values. + static void convertTextureTransformToPBR(F32 tex_scale_s, F32 tex_scale_t, + F32 tex_offset_s, F32 tex_offset_t, + F32 tex_rotation, + LLVector2& pbr_scale, + LLVector2& pbr_offset, + F32& pbr_rotation); 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); |