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| author | Jonathan "Geenz" Goodman <geenz@lindenlab.com> | 2024-11-12 20:58:29 -0500 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-11-12 17:58:29 -0800 |
| commit | c654dac4b7593355a5754042d0b43e03924b3efb (patch) | |
| tree | 4e1f23786605b84a55fee26ee9a8c01361fa67b0 | |
| parent | 2b255535efbce4634cdd2c671f597774e1783372 (diff) | |
#3059 Backport to ExtraFPS. (#3082)
| -rw-r--r-- | indra/newview/llvovolume.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp index 253fb01219..b234b5a9af 100644 --- a/indra/newview/llvovolume.cpp +++ b/indra/newview/llvovolume.cpp @@ -5862,7 +5862,23 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group) { if (gltf_mat != nullptr) { - add_face(sPbrFaces, pbr_count, facep); + // In theory, we should never actually get here with alpha blending. + // How this is supposed to work is we check if the surface is alpha blended, and we assign it to the + // alpha draw pool. For rigged meshes, this apparently may not happen consistently. For now, just + // discard it here if the alpha is 0 (fully transparent) to achieve parity with blinn-phong materials in + // function. + bool should_render = true; + if (gltf_mat->mAlphaMode == LLGLTFMaterial::ALPHA_MODE_BLEND) + { + if (gltf_mat->mBaseColor.mV[3] == 0.0f) + { + should_render = false; + } + } + if (should_render) + { + add_face(sPbrFaces, pbr_count, facep); + } } else { |