From f7672c62024b677774a705c4fc88deb12344fa04 Mon Sep 17 00:00:00 2001 From: Meng Mengmeng Date: Fri, 20 Nov 2015 06:26:02 +0800 Subject: Add a benchmark which test do 3*3 median filter in image. It's basic image test for uchar, ushort and uint. v2: convert uint to float before do median filter and use intermediate variable in if loop. Signed-off-by: Meng Mengmeng Reviewed-by: Ruiling Song --- kernels/bench_copy_image.cl | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) (limited to 'kernels') diff --git a/kernels/bench_copy_image.cl b/kernels/bench_copy_image.cl index fb6d4f39..e6548f3c 100644 --- a/kernels/bench_copy_image.cl +++ b/kernels/bench_copy_image.cl @@ -1,3 +1,4 @@ +const constant float filter_flag = 0.111111f; __kernel void bench_copy_image(__read_only image2d_t src, __write_only image2d_t dst) { @@ -13,3 +14,39 @@ bench_copy_image(__read_only image2d_t src, __write_only image2d_t dst) color=read_imageui(src, sampler, coord); write_imageui(dst, coord, color); } + +__kernel void +bench_filter_image(__read_only image2d_t src, __write_only image2d_t dst) +{ + float4 color = 0; + int2 coord_00, coord_01, coord_02, coord_10, coord_11, coord_12, coord_20, coord_21, coord_22; + int x = (int)get_global_id(0); + int y = (int)get_global_id(1); + int x_sz = (int)get_global_size(0); + int y_sz = (int)get_global_size(1); + + const sampler_t sampler = CLK_NORMALIZED_COORDS_FALSE| CLK_ADDRESS_CLAMP| CLK_FILTER_NEAREST; + + int x0 = x - 1; int x1 = x + 1; + int y0 = y - 1; int y1 = y + 1 ; + int x_left = (x > 0)?x0:x; int x_right = (x > x_sz - 2)?x:x1; + int y_top = (y > 0)?y0:y; int y_bottom = (y > y_sz - 2)?y:y1; + + coord_00.x = x_left; coord_00.y = y_top; + coord_01.x = x; coord_01.y = y_top; + coord_02.x = x_right; coord_02.y = y_top; + + coord_10.x = x_left; coord_10.y = y; + coord_11.x = x; coord_11.y = y; + coord_12.x = x_right; coord_12.y = y; + + coord_20.x = x_left; coord_20.y = y_bottom; + coord_21.x = x; coord_21.y = y_bottom; + coord_22.x = x_right; coord_22.y = y_bottom; + + color = convert_float4(read_imageui(src, sampler, coord_00)) + convert_float4(read_imageui(src, sampler, coord_01)) + convert_float4(read_imageui(src, sampler, coord_02)) + + convert_float4(read_imageui(src, sampler, coord_10)) + convert_float4(read_imageui(src, sampler, coord_11)) + convert_float4(read_imageui(src, sampler, coord_12)) + + convert_float4(read_imageui(src, sampler, coord_20)) + convert_float4(read_imageui(src, sampler, coord_21)) + convert_float4(read_imageui(src, sampler, coord_22)); + + write_imageui(dst, coord_11, convert_uint4(color * filter_flag)); +} -- cgit v1.2.3