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vulkan: use uint array index to avoid glslang bug #13193

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Merged
merged 1 commit into from
Apr 30, 2025
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vulkan: use uint array index to avoid glslang bug #13193

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2 changes: 1 addition & 1 deletion ggml/src/ggml-vulkan/vulkan-shaders/dequant_funcs_cm2.comp
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Original file line number Diff line number Diff line change
Expand Up @@ -482,7 +482,7 @@ float16_t dequantFuncIQ2_XXS(const in decodeBufIQ2_XXS bl, const in uint blockCo
const uint ib8 = (idx & 0x18) >> 3; // 0..3
const uint iqs = 8 * ib32 + ib8;

const uint8_t qs = bl.block.qs[iqs];
const uint qs = bl.block.qs[iqs];
const uint signscale = pack32(u16vec2(bl16.block.qs[4*ib32+2], bl16.block.qs[4*ib32+3]));

const float dscale = float(bl.block.d) * 0.25 * (0.5 + float(signscale >> 28));
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