diff options
Diffstat (limited to 'indra/newview/llviewertexturelist.cpp')
| -rw-r--r-- | indra/newview/llviewertexturelist.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/indra/newview/llviewertexturelist.cpp b/indra/newview/llviewertexturelist.cpp index e4fd947892..7dd32074cf 100644 --- a/indra/newview/llviewertexturelist.cpp +++ b/indra/newview/llviewertexturelist.cpp @@ -1014,6 +1014,38 @@ void LLViewerTextureList::updateImageDecodePriority(LLViewerFetchedTexture* imag } imagep->addTextureStats(max_vsize); + + // Derive stream priority channel from face lists. + // Map render texture channels to priority channels: + // 0 = normal, 1 = diffuse, 2 = specular, 3 = emissive + { + static const S32 render_to_priority[] = { + 1, // DIFFUSE_MAP (0) + 0, // NORMAL_MAP / ALTERNATE_DIFFUSE_MAP (1) + 2, // SPECULAR_MAP (2) + 1, // BASECOLOR_MAP (3) + 2, // METALLIC_ROUGHNESS_MAP (4) + 0, // GLTF_NORMAL_MAP (5) + 3, // EMISSIVE_MAP (6) + }; + + S32 priority_channel = 1; // default to diffuse + for (U32 i = 0; i < LLRender::NUM_TEXTURE_CHANNELS; ++i) + { + if (imagep->getNumFaces(i) > 0) + { + priority_channel = llmin(priority_channel, render_to_priority[i]); + } + } + + static LLCachedControl<LLVector4> channel_priority(gSavedSettings, "TextureChannelPriority", + LLVector4(10.0f, 20.0f, 40.0f, 20.0f)); + F32 factor = llmax(channel_priority().mV[priority_channel], 0.1f); + if (factor != 1.0f) + { + imagep->mMaxVirtualSize /= factor; + } + } } #if 0 |