Device Type CPU GPU

WebCL kernel Source Code:
/** * Color to grayscale conversion in OpenCL C. * * @param {uchar4*} src source image (RGBA) * @param {uchar4*} dst destination image (RGBA) * @param {uint} width source and destination image width in pixels * @param {uint} height source and destination image height in pixels * * @author Archzilon Eshun-Davies */ __kernel void clDesaturate(__global const uchar4* src, __global uchar4* dst, uint width, uint height) { int x = get_global_id(0); int y = get_global_id(1); if (x >= width || y >= height) return; int i = y * width + x; uchar4 color; global uchar4* curr = src+i; global uchar4* i_min = &src[0]; global uchar4* i_max = &src[width*height-1]; if (curr < i_min || curr > i_max) { color = 0; } else { color = *curr; } //uchar4 color = src[i]; uchar lum = (uchar)(0.30f * color.x + 0.59f * color.y + 0.11f * color.z); dst[i] = (uchar4)(lum, lum, lum, 255); }

Compiler Output:
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Host Code Output:
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