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2026-07-13 13:33:03 +08:00

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#define INPUT_TYPE ivec4
#define OUTPUT_TYPE ivec4
layout(set=0, binding=0) writeonly buffer destBuffer{
OUTPUT_TYPE data[];
} uOutput;
layout(set=0, binding=1) readonly buffer sourceBuffer0{
INPUT_TYPE data[];
} uInput;
layout(set=0, binding=2) uniform constBuffer{
ivec4 size; // x: limit, y: channelC4*b, z:height, w:width
vec4 slope;
} uConstant;
//for dynamic change threads counts from outside
// from vkCreateComputePipelines->VkComputePipelineCreateInfo->VkPipelineShaderStageCreateInfo->VkSpecializationInfo->VkSpecializationMapEntry
// layout(local_size_x_id = 1, local_size_y_id = 2, local_size_z_id = 3) in;
layout(local_size_x = 256, local_size_y = 1, local_size_z = 1) in;
void main()
{
ivec3 posTmp = ivec3(gl_GlobalInvocationID);
if (posTmp.x < uConstant.size.x) {
INPUT_TYPE v = uInput.data[posTmp.x];
OUTPUT_TYPE ov;
ov.x = v.x == 0 ? 0 : 1;
ov.y = v.y == 0 ? 0 : 1;
ov.z = v.z == 0 ? 0 : 1;
ov.w = v.w == 0 ? 0 : 1;
uOutput.data[posTmp.x] = ov;
}
}