[Feat] (MG_Backend, MG_Impl): expose experimental GL 4.6 CTS limits

2026-09-11 05:38:31 +09:00 · 2026-07-30 23:00:13 -04:00
parent 77bd03d962
commit 7e8c32a063
10 changed files with 320 additions and 8 deletions
@@ -300,6 +300,13 @@ namespace MobileGL {
            Float ViewportBoundsRangeMin = 0.0f;
            Float ViewportBoundsRangeMax = 0.0f;
            Int ViewportSubpixelBits = 0;
+            // GL 4.x fragment-interpolation offset limits. These defaults are the
+            // core minimums and are replaced by live GLES/Vulkan device limits.
+            Float MinFragmentInterpolationOffset = -0.5f;
+            // For four fractional bits the greatest required legal offset is
+            // 0.5 - 2^-4 = 0.4375 (GL 4.6 table 23.70).
+            Float MaxFragmentInterpolationOffset = 0.4375f;
+            Int FragmentInterpolationOffsetBits = 4;
            Bool SupportsWideLines = false;
            SizeT MaxShaderStorageBlockSize = 128 * 1024 * 1024;
            Uint32 SubgroupSize = 0;