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[ET-VK] Simplify lane offset copy logic in copy_packed_dim_offset shader. #9416

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[ET-VK] Simplify lane offset copy logic in copy_packed_dim_offset shader. #9416

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7a9d76f
[ET-VK] Simplify lane offset copy logic in copy_packed_dim_offset sha…
trivedivivek Mar 19, 2025
462673b
Update on "[ET-VK] Simplify lane offset copy logic in copy_packed_dim…
trivedivivek Mar 24, 2025
46dbcab
Update on "[ET-VK] Simplify lane offset copy logic in copy_packed_dim…
trivedivivek Mar 24, 2025
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13 changes: 3 additions & 10 deletions backends/vulkan/runtime/graph/ops/glsl/copy_packed_dim_offset.glsl
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Original file line number Diff line number Diff line change
@@ -69,22 +69,15 @@ void no_repeat_copy(ivec3 pos) {
// Keep input values from the end of current input pixel based on src_lane_offset
// offset 1 means the first lane of current input texel is not a part of the output texel
// offset 2 means first 2 lanes are not and so on
if (src_lane_offset == 1) {
in_value.xyz = in_value.yzw;
} else if (src_lane_offset == 2) {
in_value.xy = in_value.zw;
} else {
in_value.x = in_value.w;
}
// Copy next texel's values towards the end of input texel, based on lane offset
// offset 1 means the first lane from next texel is part of the input texel
// offset 2 means first 2 lanes from next texel is part of the input texel and so on
if (src_lane_offset == 1) {
in_value.w = next_value.x;
in_value = ivec4(in_value.yzw, next_value.x);
} else if (src_lane_offset == 2) {
in_value.zw = next_value.xy;
in_value = ivec4(in_value.zw, next_value.xy);
} else {
in_value.yzw = next_value.xyz;
in_value = ivec4(in_value.w, next_value.xyz);
}
}

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