fix(stb) invalid stb_image_resize flag values

Close #857
LWJGL · Feb 13, 2023 · e8bf979 · e8bf979
1 parent ee2dc3b
commit e8bf979
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Showing 3 changed files with 5 additions and 4 deletions.
diff --git a/doc/notes/3.3.2.md b/doc/notes/3.3.2.md
@@ -87,6 +87,7 @@ This build includes the following changes:
 - NanoSVG: Fixed auto-sizing of `NSVGPath::pts` buffer.
 - Opus: Fixed `pcm` parameter type of `opus_decode_float` function. (#785)
 - Remotery: Fixed `rmtSettings::free` callback signature.
+- stb: Fixed `stb_image_resize` flag values. (#857)
 - Vulkan: Fixed definition of the `VK_API_VERSION_PATCH` macro. (#743)
 - Vulkan: Fixed `EXT_debug_utils` function dispatch. (#755)
 

diff --git a/modules/lwjgl/stb/src/generated/java/org/lwjgl/stb/STBImageResize.java b/modules/lwjgl/stb/src/generated/java/org/lwjgl/stb/STBImageResize.java
@@ -72,10 +72,10 @@ public class STBImageResize {
      * Set this flag if your texture has premultiplied alpha. Otherwise, stbir will use alpha-weighted resampling (effectively premultiplying, resampling,
      * then unpremultiplying).
      */
-    public static final int STBIR_FLAG_ALPHA_PREMULTIPLIED = -1;
+    public static final int STBIR_FLAG_ALPHA_PREMULTIPLIED = 1 << 0;
 
     /** The specified alpha channel should be handled as gamma-corrected value even when doing sRGB operations. */
-    public static final int STBIR_FLAG_ALPHA_USES_COLORSPACE = -1;
+    public static final int STBIR_FLAG_ALPHA_USES_COLORSPACE = 1 << 1;
 
     /**
      * Edge wrap mode.

diff --git a/modules/lwjgl/stb/src/templates/kotlin/stb/templates/stb_image_resize.kt b/modules/lwjgl/stb/src/templates/kotlin/stb/templates/stb_image_resize.kt
@@ -86,11 +86,11 @@ stbir_resize_uint8_srgb_edgemode(
         Set this flag if your texture has premultiplied alpha. Otherwise, stbir will use alpha-weighted resampling (effectively premultiplying, resampling,
         then unpremultiplying).
         """,
-        "FLAG_ALPHA_PREMULTIPLIED".."-1"
+        "FLAG_ALPHA_PREMULTIPLIED".."1 << 0"
     )
     IntConstant(
         "The specified alpha channel should be handled as gamma-corrected value even when doing sRGB operations.",
-        "FLAG_ALPHA_USES_COLORSPACE".."-1"
+        "FLAG_ALPHA_USES_COLORSPACE".."1 << 1"
     )
 
     val EdgeWrapModes = EnumConstant(