From 55e94847b4270d7f71016fe651800ef9e43b4bc5 Mon Sep 17 00:00:00 2001 From: "Jonathan \"Geenz\" Goodman" Date: Wed, 22 Jul 2026 00:40:35 -0400 Subject: Revert "Merge pull request #5829 from secondlife/geenz/texture-quality" This reverts commit 6b4e3f3288ec1e9917cecd862a7a52945e5b4db2, reversing changes made to 99ab6316b4ae9058f22d9f57d21e795ca45797fd. --- indra/llkdu/llimagej2ckdu.cpp | 30 ------------------------------ 1 file changed, 30 deletions(-) (limited to 'indra/llkdu/llimagej2ckdu.cpp') diff --git a/indra/llkdu/llimagej2ckdu.cpp b/indra/llkdu/llimagej2ckdu.cpp index 74aaffbd65..cf45f93168 100644 --- a/indra/llkdu/llimagej2ckdu.cpp +++ b/indra/llkdu/llimagej2ckdu.cpp @@ -1551,33 +1551,3 @@ void kdc_flow_control::process_components() } } } - -// Layer-factored byte estimator. Walks the resolution pyramid to count -// layers, weights by layer_factor, then picks between a sqrt-based "new" -// estimate and a raw-dimensions "old" estimate per TextureNewByteRange. -// Reference: https://wiki.lindenlab.com/wiki/THX1138_KDU_Improvements#Byte_Range_Study -S32 LLImageJ2CKDU::estimateDataSize(S32 w, S32 h, S32 comp, S32 discard_level, F32 rate) const -{ - S32 width = (w > 0) ? w : 2048; - S32 height = (h > 0) ? h : 2048; - S32 nb_layers = 1; - S32 surface = width * height; - S32 s = MAX_BLOCK_SIZE * MAX_BLOCK_SIZE; - while (surface > s) - { - nb_layers++; - s *= 4; - } - F32 layer_factor = 3.0f * (7 - llclamp(nb_layers, 1, 6)); - - width >>= discard_level; - height >>= discard_level; - width = llmax(width, 1); - height = llmax(height, 1); - - S32 new_bytes = (S32)(sqrtf((F32)(width * height)) * (F32)comp * rate * 1000.f / layer_factor); - S32 old_bytes = (S32)((F32)(width * height * comp) * rate); - S32 bytes = (LLImage::useNewByteRange() && (new_bytes < old_bytes)) ? new_bytes : old_bytes; - bytes = llmax(bytes, LLImageJ2C::calcHeaderSizeJ2C()); - return bytes; -} -- cgit v1.3