diff options
| -rw-r--r-- | kernels/compiler_box_blur_image.cl | 8 | ||||
| -rw-r--r-- | utests/compiler_box_blur_image.cpp | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/kernels/compiler_box_blur_image.cl b/kernels/compiler_box_blur_image.cl index 42f463b2..69fa2293 100644 --- a/kernels/compiler_box_blur_image.cl +++ b/kernels/compiler_box_blur_image.cl @@ -6,13 +6,15 @@ __kernel void compiler_box_blur_image(__read_only image2d_t src, CLK_FILTER_NEAREST; const int2 coord = (int2)(get_global_id(0), get_global_id(1)); int2 offset; - float4 sum = 0; + uint4 sum = 0; for (offset.y = -1; offset.y <= 1; offset.y++) { for (offset.x = -1; offset.x <= 1; offset.x++) { - sum += read_imagef(src, sampler, coord + offset); + sum += read_imageui(src, sampler, coord + offset); } } - write_imagef(dst, coord, (1.0f/9.0f)*sum); + uint4 result = sum / 9; + + write_imageui(dst, coord, result); } diff --git a/utests/compiler_box_blur_image.cpp b/utests/compiler_box_blur_image.cpp index d94a97c9..711f2b38 100644 --- a/utests/compiler_box_blur_image.cpp +++ b/utests/compiler_box_blur_image.cpp @@ -15,7 +15,7 @@ static void compiler_box_blur_image() src = cl_read_bmp("lenna128x128.bmp", &w, &h); format.image_channel_order = CL_RGBA; - format.image_channel_data_type = CL_UNORM_INT8; + format.image_channel_data_type = CL_UNSIGNED_INT8; desc.image_type = CL_MEM_OBJECT_IMAGE2D; desc.image_width = w; desc.image_height = h; |