vulkan: Support Q1_0 (#21539)

* vulkan: Support Q1_0

* use get_dm

ggml/src/ggml-vulkan/vulkan-shaders/dequant_funcs.glsl

@@ -87,6 +87,23 @@ vec4 dequantize4(uint ib, uint iqs, uint a_offset) {
 }
 #endif
 
+#if defined(DATA_A_Q1_0)
+vec2 dequantize(uint ib, uint iqs, uint a_offset) {
+    const uint bits = uint(data_a[a_offset + ib].qs[iqs / 8u]) >> (iqs % 8u);
+    return vec2(
+        (bits & 1u) != 0u ? 1.0f : -1.0f,
+        (bits & 2u) != 0u ? 1.0f : -1.0f);
+}
+vec4 dequantize4(uint ib, uint iqs, uint a_offset) {
+    const uint bits = uint(data_a[a_offset + ib].qs[iqs / 8u]) >> (iqs % 8u);
+    return vec4(
+        (bits & 1u) != 0u ? 1.0f : -1.0f,
+        (bits & 2u) != 0u ? 1.0f : -1.0f,
+        (bits & 4u) != 0u ? 1.0f : -1.0f,
+        (bits & 8u) != 0u ? 1.0f : -1.0f);
+}
+#endif
+
 #if defined(DATA_A_IQ1_S)
 vec2 dequantize(uint ib, uint iqs, uint a_offset) {
     const uint ib32 = iqs / 32;
@@ -454,6 +471,13 @@ vec2 get_dm(uint ib, uint a_offset) {
 }
 #endif
 
+#if defined(DATA_A_Q1_0)
+vec2 get_dm(uint ib, uint a_offset) {
+    const float d = float(data_a[a_offset + ib].d);
+    return vec2(d, 0);
+}
+#endif
+
 #if defined(DATA_A_MXFP4)
 vec2 get_dm(uint ib, uint a_offset) {
     return vec2(e8m0_to_fp32(data_a[a_offset + ib].e), 0);