opencl: add missing add_id.cl

Author: lhez

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

@@ -0,0 +1,42 @@
+#pragma OPENCL EXTENSION cl_khr_fp16 : enable
+
+//------------------------------------------------------------------------------
+// add_id
+//------------------------------------------------------------------------------
+kernel void kernel_add_id(
+    global char * src0,
+    ulong         offset0,
+    global char * src1,
+    ulong         offset1,
+    global char * src2,
+    ulong         offset2,
+    global char * dst,
+    ulong         offsetd,
+    ulong         nb01,
+    ulong         nb02,
+    ulong         nb11,
+    ulong         nb21,
+    int           ne0,
+    int           ne1
+) {
+    src0 = (global char*)((global char*)src0 + offset0);
+    src1 = (global char*)((global char*)src1 + offset1);
+    src2 = (global char*)((global char*)src2 + offset2);
+    dst  = (global char*)((global char*)dst  + offsetd);
+
+    int i1 = get_group_id(0);
+    int i2 = get_group_id(1);
+
+    const int i11 = *((global const int *) (src2 + i1*sizeof(int) + i2*nb21));
+
+    const size_t nb1 = ne0 * sizeof(float);
+    const size_t nb2 = ne1 * nb1;
+
+    global float * dst_row  = (global float *)((global char *)dst  + i1*nb1 + i2*nb2);
+    global float * src0_row = (global float *)((global char *)src0 + i1*nb01 + i2*nb02);
+    global float * src1_row = (global float *)((global char *)src1 + i11*nb11);
+
+    for (int i0 = get_local_id(0); i0 < ne0; i0 += get_local_size(0)) {
+        dst_row[i0] = src0_row[i0] + src1_row[i0];
+    }
+}