From cee913ad4e440b5da86443d615e764cbb22388ed Mon Sep 17 00:00:00 2001
From: Richard Geldreich
Date: Wed, 1 Jul 2026 13:00:49 -0400
Subject: [PATCH] modified for v2.5
---
webgl/encoder/CMakeLists.txt | 45 +++++++++++++++++++++++++++++++++---
webgl/index.html | 3 ++-
2 files changed, 44 insertions(+), 4 deletions(-)
diff --git a/webgl/encoder/CMakeLists.txt b/webgl/encoder/CMakeLists.txt
index 8027b8e..846cdea 100644
--- a/webgl/encoder/CMakeLists.txt
+++ b/webgl/encoder/CMakeLists.txt
@@ -3,7 +3,10 @@ project(basisu_encoder_js)
# Toggle Zstd support for KTX2 (ON by default).
option(KTX2_ZSTANDARD "Enable KTX2 Zstandard support" TRUE)
+option(SUPPORT_ASTCENC "Enable astcenc support" FALSE)
+
message("KTX2_ZSTANDARD=${KTX2_ZSTANDARD}")
+message("SUPPORT_ASTCENC=${SUPPORT_ASTCENC}")
# Only for Emscripten builds.
if(EMSCRIPTEN)
@@ -56,6 +59,8 @@ if(EMSCRIPTEN)
../../encoder/basisu_resample_filters.cpp
../../encoder/basisu_ssim.cpp
../../encoder/basisu_uastc_enc.cpp
+ ../../encoder/basisu_bc7e_scalar.cpp
+ ../../encoder/basisu_dds_export.cpp
../../encoder/basisu_bc7enc.cpp
../../encoder/basisu_kernels_sse.cpp
../../encoder/basisu_opencl.cpp
@@ -67,14 +72,47 @@ if(EMSCRIPTEN)
../../encoder/basisu_astc_hdr_common.cpp
../../encoder/basisu_astc_ldr_common.cpp
../../encoder/basisu_astc_ldr_encode.cpp
+ ../../encoder/basisu_astc_ldr_fencode.cpp
../../encoder/basisu_tinyexr.cpp
+ ../../encoder/basisu_xbc7_encode.cpp
)
+
if(KTX2_ZSTANDARD)
list(APPEND SRC_LIST ../../zstd/zstd.c)
set(ZSTD_DEFINITION BASISD_SUPPORT_KTX2_ZSTD=1)
else()
set(ZSTD_DEFINITION BASISD_SUPPORT_KTX2_ZSTD=0)
endif()
+
+ if(SUPPORT_ASTCENC)
+ list(APPEND SRC_LIST
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_averages_and_directions.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_block_sizes.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_color_quantize.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_color_unquantize.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_compress_symbolic.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_compute_variance.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_decompress_symbolic.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_diagnostic_trace.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_entry.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_find_best_partitioning.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_ideal_endpoints_and_weights.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_image.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_integer_sequence.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_mathlib.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_mathlib_softfloat.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_partition_tables.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_percentile_tables.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_pick_best_endpoint_format.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_quantization.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_symbolic_physical.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_weight_align.cpp
+ ../../encoder/3rdparty/astc-encoder-main/Source/astcenc_weight_quant_xfer_tables.cpp
+ )
+ set(ASTCENC_DEFINITION BASISU_SUPPORT_ASTCENC=1)
+ else()
+ set(ASTCENC_DEFINITION BASISU_SUPPORT_ASTCENC=0)
+ endif()
# Common preprocessor defines (same as your original)
set(COMMON_DEFS
@@ -89,11 +127,12 @@ if(EMSCRIPTEN)
BASISU_SUPPORT_SSE=0
BASISD_SUPPORT_XUASTC=1
${ZSTD_DEFINITION}
+ ${ASTCENC_DEFINITION}
)
# Base link flags
- set(LINK_BASE "--bind -s ALLOW_MEMORY_GROWTH=1 -s INITIAL_MEMORY=536870912 -s STACK_SIZE=2097152 -s MODULARIZE=1 -s EXPORT_NAME=BASIS -s EXPORTED_RUNTIME_METHODS=['HEAP8']")
- set(LINK_THREADS "-s USE_PTHREADS=1 -s PTHREAD_POOL_SIZE=18 -s ENVIRONMENT=web,worker")
+ set(LINK_BASE "--bind -s ALLOW_MEMORY_GROWTH=1 -s INITIAL_MEMORY=134217728 -s STACK_SIZE=2097152 -s MODULARIZE=1 -s EXPORT_NAME=BASIS -s EXPORTED_RUNTIME_METHODS=['HEAP8']")
+ set(LINK_THREADS "-s USE_PTHREADS=1 -s PTHREAD_POOL_SIZE=32 -s ENVIRONMENT=web,worker")
set(LINK_WASM64 "-s MEMORY64=1 -sWASM_BIGINT=1 --profiling-funcs")
# Helper to avoid repetition
@@ -123,7 +162,7 @@ if(EMSCRIPTEN)
endif()
if(${use_wasm64})
- set(_lf "${_lf} ${LINK_WASM64} -s INITIAL_MEMORY=1073741824 -s MAXIMUM_MEMORY=16106127360")
+ set(_lf "${_lf} ${LINK_WASM64} -s INITIAL_MEMORY=134217728 -s MAXIMUM_MEMORY=16106127360")
endif()
set_target_properties(${target} PROPERTIES LINK_FLAGS "${_lf}")
diff --git a/webgl/index.html b/webgl/index.html
index f998dfb..2e2e525 100644
--- a/webgl/index.html
+++ b/webgl/index.html
@@ -10,7 +10,8 @@
.KTX2/.basis textures in WebGL, and the compressor library to encode .KTX2 files.