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-rw-r--r--kernels/compiler_block_motion_estimate_intel.cl76
1 files changed, 76 insertions, 0 deletions
diff --git a/kernels/compiler_block_motion_estimate_intel.cl b/kernels/compiler_block_motion_estimate_intel.cl
new file mode 100644
index 00000000..94966a83
--- /dev/null
+++ b/kernels/compiler_block_motion_estimate_intel.cl
@@ -0,0 +1,76 @@
+
+__kernel __attribute__((intel_reqd_sub_group_size(16)))
+void compiler_block_motion_estimate_intel(
+ __read_only image2d_t src_img,
+ __read_only image2d_t ref_img,
+ __global short2* motion_vector_buffer,
+ __global ushort* residuals_buffer,
+ __global uchar* mj_shape_buffer,
+ __global uchar* mn_shapes_buffer,
+ __global uchar* directions_buffer,
+ __global uint* dwo_buffer,
+ __global uint* pld_buffer) {
+
+ int gr_id0 = get_group_id(0);
+ int gr_id1 = get_group_id(1);
+
+ ushort2 src_coord = 0;
+ src_coord.x = gr_id0 * 16;
+ src_coord.y = gr_id1 * 16;
+ uchar partition_mask = CLK_AVC_ME_PARTITION_MASK_16x16_INTEL;
+ uchar sad_adjustment = CLK_AVC_ME_SAD_ADJUST_MODE_NONE_INTEL;
+ intel_sub_group_avc_ime_payload_t payload = intel_sub_group_avc_ime_initialize(src_coord, partition_mask, sad_adjustment);
+ short2 ref_offset = 0;
+ uchar search_window_config = CLK_AVC_ME_SEARCH_WINDOW_EXTRA_TINY_INTEL;
+ payload = intel_sub_group_avc_ime_set_single_reference(ref_offset, search_window_config, payload);
+
+ //mv cost penalty setting
+ ulong packed_cc_delta = 0;
+ uint2 packed_cost_table = intel_sub_group_avc_mce_get_default_medium_penalty_cost_table();
+ uchar cost_precision = CLK_AVC_ME_COST_PRECISION_QPEL_INTEL;
+ payload = intel_sub_group_avc_ime_set_motion_vector_cost_function(
+ packed_cc_delta, packed_cost_table, cost_precision, payload);
+
+ //ime shape penalty
+ ulong packed_shape_cost = (1 << 4 | 2);
+ packed_shape_cost <<= 32;
+ payload = intel_sub_group_avc_ime_set_inter_shape_penalty(packed_shape_cost ,payload);
+
+ sampler_t vs = 0;
+ intel_sub_group_avc_ime_result_t i_result =
+ intel_sub_group_avc_ime_evaluate_with_single_reference(src_img, ref_img, vs, payload);
+
+ //Get ime related result
+ ulong mvs = intel_sub_group_avc_ime_get_motion_vectors(i_result);
+ ushort distortions = intel_sub_group_avc_ime_get_inter_distortions(i_result);
+ uchar major_shape = intel_sub_group_avc_ime_get_inter_major_shape(i_result);
+ uchar minor_shapes = intel_sub_group_avc_ime_get_inter_minor_shapes(i_result);
+ uchar directions = intel_sub_group_avc_ime_get_inter_directions(i_result);
+
+ int lid_x = get_local_id(0);
+ int mb = gr_id0 + gr_id1 * get_num_groups(0);
+ int2 bi_mvs = as_int2(mvs);
+ if(lid_x == 0){
+ motion_vector_buffer[mb] = as_short2(bi_mvs.s0);
+ residuals_buffer[mb] = distortions;
+ mj_shape_buffer[mb] = major_shape;
+ mn_shapes_buffer[mb] = minor_shapes;
+ directions_buffer[mb] = directions;
+ }
+ //fme setting and evaluate
+ uchar pixel_mode = CLK_AVC_ME_SUBPIXEL_MODE_QPEL_INTEL;
+ intel_sub_group_avc_ref_payload_t r_payload =
+ intel_sub_group_avc_fme_initialize(
+ src_coord, mvs, major_shape, minor_shapes,
+ directions, pixel_mode, sad_adjustment);
+ intel_sub_group_avc_ref_result_t r_result =
+ intel_sub_group_avc_ref_evaluate_with_single_reference(src_img, ref_img, vs, r_payload);
+ mvs = intel_sub_group_avc_ref_get_motion_vectors(r_result);
+ distortions = intel_sub_group_avc_ref_get_inter_distortions(r_result);
+
+ dwo_buffer[mb*16*4 + lid_x + 16*0] = i_result.s0;
+ dwo_buffer[mb*16*4 + lid_x + 16*1] = i_result.s1;
+ dwo_buffer[mb*16*4 + lid_x + 16*2] = i_result.s2;
+ dwo_buffer[mb*16*4 + lid_x + 16*3] = i_result.s3;
+
+}