Add placeholder changelog
@@ -6,6 +6,29 @@ release of the 3.x series.
All performance data on this page is measured on an Intel Core i5-9600K
clocked at 4.2 GHz, running `astcenc` using AVX2 and 6 threads.
+<!-- ---------------------------------------------------------------------- -->
+## 3.7
+
+**Status:** In development
+
+The 3.7 release is in development ...
+
+* **General:**
+ * **Feature:** The command line tool PNG loader has been switched to use
+ the Wuffs library, which is robust and significantly faster than the
+ current stb_image implementation.
+
+### Performance:
+
+Key for charts:
+
+* Color = block size (see legend).
+* Letter = image format (N = normal map, G = grayscale, L = LDR, H = HDR).
+
+**Relative performance vs 3.5 release:**
+
+![Relative scores 3.6 vs 3.5](./ChangeLogImg/relative-3.5-to-3.6.png)
+
<!-- ---------------------------------------------------------------------- -->
## 3.6
@@ -22,14 +45,15 @@ rebuilding your client-side code using the updated `astcenc.h` header.
`SELF_DECOMPRESS_ONLY` flag set. The flag therefore no longer improves
compression performance, but still reduces context creation time and
context data table memory footprint.
- * **Feature:** Image quality for 4x4 `-fastest` configuration has been improved.
- * **Optimization:** Decimation modes are reliably excluded from processing when
- they are only partially selected in the compressor configuration (e.g. if
- used for single plane, but not dual plane modes). This is a significant
+ * **Feature:** Image quality for 4x4 `-fastest` configuration has been
+ improved.
+ * **Optimization:** Decimation modes are reliably excluded from processing
+ when they are only partially selected in the compressor configuration (e.g.
+ if used for single plane, but not dual plane modes). This is a significant
performance optimization for all quality levels.
- * **Optimization:** Fast-path block load function variant added for 2D LDR images
- with no swizzle. This is a moderate performance optimization for the fast
- and fastest quality levels.
+ * **Optimization:** Fast-path block load function variant added for 2D LDR
+ images with no swizzle. This is a moderate performance optimization for the
+ fast and fastest quality levels.
### Performance:
