opencl: unpack q4_0 for adreno in get_tensor (#18278)

ggml/src/ggml-opencl/kernels/cvt.cl

@@ -117,6 +117,27 @@ kernel void kernel_convert_block_q4_0_noshuffle(
     }
 }
 
+kernel void kernel_restore_block_q4_0_noshuffle(
+    global uchar * src_q,
+    global half  * src_d,
+    global struct block_q4_0 * dst,
+    uchar mask_0F,
+    uchar mask_F0
+) {
+    global struct block_q4_0 * b = (global struct block_q4_0 *) dst + get_global_id(0);
+    global uchar * q = (global uchar *) src_q + QK4_0/2*get_global_id(0);
+    global half  * d = (global half *) src_d + get_global_id(0);
+
+    b->d = *d;
+    for (int i = 0; i < QK4_0/4; ++i) {
+        uchar x0 = q[i + 0      ] ;
+        uchar x1 = q[i + QK4_0/4];
+
+        b->qs[2*i + 0] = convert_uchar((x0 & mask_0F) | ((x1 & mask_0F) << 4));
+        b->qs[2*i + 1] = convert_uchar(((x0 & mask_F0) >> 4) | (x1 & mask_F0));
+    }
+}
+
 //------------------------------------------------------------------------------
 // block_mxfp4
 //------------------------------------------------------------------------------

ggml/src/ggml-opencl/kernels/transpose.cl

@@ -44,6 +44,19 @@ kernel void kernel_transpose_16_4x1(
     write_imageh(output, i * rows + j, (half4)(temp0, temp1, temp2, temp3));
 }
 
+// Transpose treating each element as 16-bit using buffer
+kernel void kernel_transpose_16_buf(
+    global const ushort * input,
+    global ushort * output,
+    const int ldi,
+    const int ldo
+) {
+    const int x = get_global_id(0);
+    const int y = get_global_id(1);
+
+    output[x*ldo + y] = input[y*ldi + x];
+}
+
 // 32-bit transpose, loading/storing a 4x4 tile of elements
 kernel void kernel_transpose_32(
     __read_only image1d_buffer_t input,