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Vulkan compute: minor refactoring

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This commit is contained in:
Stephen Seo 2024-03-28 16:42:56 +09:00
parent 11de490e94
commit 2abf3de665
2 changed files with 11 additions and 7 deletions
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16
src/blue_noise.cpp
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@ -576,7 +576,7 @@ std::optional<std::pair<int, int>> dither::internal::vulkan_minmax(
std::array<VkDescriptorSet, 2> minmax_desc_sets, VkBuffer max_in_buf,
VkBuffer min_in_buf, VkBuffer max_out_buf, VkBuffer min_out_buf,
VkBuffer state_buf, const int size, const float *const filter_mapped,
std::vector<bool> pbp) {
const std::vector<bool> &pbp) {
// ensure minority pixel is "true"
unsigned int count = 0;
for (bool value : pbp) {
@ -584,17 +584,21 @@ std::optional<std::pair<int, int>> dither::internal::vulkan_minmax(
++count;
}
}
bool flip;
if (count * 2 >= pbp.size()) {
// std::cout << "MINMAX flip\n"; // DEBUG
for (unsigned int i = 0; i < pbp.size(); ++i) {
pbp[i] = !pbp[i];
}
flip = true;
} else {
flip = false;
}
std::vector<FloatAndIndex> fai(size);
for (int i = 0; i < size; ++i) {
fai[i].value = filter_mapped[i];
fai[i].pbp = pbp[i] ? 1 : 0;
if (flip) {
fai[i].pbp = pbp[i] ? 0 : 1;
} else {
fai[i].pbp = pbp[i] ? 1 : 0;
}
fai[i].idx = i;
}

2
src/blue_noise.hpp
View file

@ -162,7 +162,7 @@ std::optional<std::pair<int, int>> vulkan_minmax(
std::array<VkDescriptorSet, 2> minmax_desc_sets, VkBuffer max_in_buf,
VkBuffer min_in_buf, VkBuffer max_out_buf, VkBuffer min_out_buf,
VkBuffer state_buf, const int size, const float *const filter_mapped,
std::vector<bool> pbp);
const std::vector<bool> &pbp);
#endif