mirror of
https://github.com/PancakeTAS/lsfg-vk.git
synced 2025-10-30 07:01:10 +00:00
193 lines
8 KiB
C++
193 lines
8 KiB
C++
#include <volk.h>
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#include <vulkan/vulkan_core.h>
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#include "v3_1/shaders/gamma.hpp"
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#include "common/utils.hpp"
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#include "core/commandbuffer.hpp"
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#include "core/image.hpp"
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#include <array>
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#include <optional>
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#include <utility>
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#include <cstddef>
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#include <cstdint>
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using namespace LSFG_3_1::Shaders;
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Gamma::Gamma(Vulkan& vk, std::array<std::array<Core::Image, 4>, 3> inImgs1,
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Core::Image inImg2,
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std::optional<Core::Image> optImg)
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: inImgs1(std::move(inImgs1)), inImg2(std::move(inImg2)),
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optImg(std::move(optImg)) {
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// create resources
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this->shaderModules = {{
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vk.shaders.getShader(vk.device, "gamma[0]",
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{ { 1 , VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER },
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{ 2, VK_DESCRIPTOR_TYPE_SAMPLER },
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{ 9, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE },
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{ 3, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE } }),
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vk.shaders.getShader(vk.device, "gamma[1]",
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{ { 1, VK_DESCRIPTOR_TYPE_SAMPLER },
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{ 3, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE },
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{ 4, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE } }),
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vk.shaders.getShader(vk.device, "gamma[2]",
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{ { 1, VK_DESCRIPTOR_TYPE_SAMPLER },
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{ 4, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE },
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{ 4, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE } }),
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vk.shaders.getShader(vk.device, "gamma[3]",
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{ { 1, VK_DESCRIPTOR_TYPE_SAMPLER },
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{ 4, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE },
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{ 4, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE } }),
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vk.shaders.getShader(vk.device, "gamma[4]",
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{ { 1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER },
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{ 2, VK_DESCRIPTOR_TYPE_SAMPLER },
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{ 6, VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE },
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{ 1, VK_DESCRIPTOR_TYPE_STORAGE_IMAGE } })
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}};
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this->pipelines = {{
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vk.shaders.getPipeline(vk.device, "gamma[0]"),
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vk.shaders.getPipeline(vk.device, "gamma[1]"),
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vk.shaders.getPipeline(vk.device, "gamma[2]"),
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vk.shaders.getPipeline(vk.device, "gamma[3]"),
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vk.shaders.getPipeline(vk.device, "gamma[4]")
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}};
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this->samplers.at(0) = vk.resources.getSampler(vk.device);
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this->samplers.at(1) = vk.resources.getSampler(vk.device,
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VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER, VK_COMPARE_OP_NEVER, true);
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this->samplers.at(2) = vk.resources.getSampler(vk.device,
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VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE, VK_COMPARE_OP_ALWAYS, false);
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// create internal images/outputs
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const VkExtent2D extent = this->inImgs1.at(0).at(0).getExtent();
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for (size_t i = 0; i < 4; i++) {
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this->tempImgs1.at(i) = Core::Image(vk.device, extent);
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this->tempImgs2.at(i) = Core::Image(vk.device, extent);
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}
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this->outImg = Core::Image(vk.device,
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{ extent.width, extent.height },
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VK_FORMAT_R16G16B16A16_SFLOAT);
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// hook up shaders
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for (size_t pass_idx = 0; pass_idx < vk.generationCount; pass_idx++) {
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auto& pass = this->passes.emplace_back();
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pass.buffer = vk.resources.getBuffer(vk.device,
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static_cast<float>(pass_idx + 1) / static_cast<float>(vk.generationCount + 1),
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!this->optImg.has_value());
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for (size_t i = 0; i < 3; i++) {
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pass.firstDescriptorSet.at(i) = Core::DescriptorSet(vk.device, vk.descriptorPool,
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this->shaderModules.at(0));
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pass.firstDescriptorSet.at(i).update(vk.device)
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.add(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, pass.buffer)
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(1))
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(2))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->inImgs1.at((i + 2) % 3))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->inImgs1.at(i % 3))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->optImg)
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->tempImgs1.at(0))
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->tempImgs1.at(1))
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->tempImgs1.at(2))
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.build();
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}
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pass.descriptorSets.at(0) = Core::DescriptorSet(vk.device, vk.descriptorPool,
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this->shaderModules.at(1));
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pass.descriptorSets.at(0).update(vk.device)
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(0))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->tempImgs1.at(0))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->tempImgs1.at(1))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->tempImgs1.at(2))
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->tempImgs2)
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.build();
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pass.descriptorSets.at(1) = Core::DescriptorSet(vk.device, vk.descriptorPool,
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this->shaderModules.at(2));
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pass.descriptorSets.at(1).update(vk.device)
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(0))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->tempImgs2)
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->tempImgs1)
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.build();
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pass.descriptorSets.at(2) = Core::DescriptorSet(vk.device, vk.descriptorPool,
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this->shaderModules.at(3));
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pass.descriptorSets.at(2).update(vk.device)
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(0))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->tempImgs1)
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->tempImgs2)
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.build();
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pass.descriptorSets.at(3) = Core::DescriptorSet(vk.device, vk.descriptorPool,
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this->shaderModules.at(4));
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pass.descriptorSets.at(3).update(vk.device)
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.add(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, pass.buffer)
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(0))
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.add(VK_DESCRIPTOR_TYPE_SAMPLER, this->samplers.at(2))
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->tempImgs2)
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->optImg)
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.add(VK_DESCRIPTOR_TYPE_SAMPLED_IMAGE, this->inImg2)
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.add(VK_DESCRIPTOR_TYPE_STORAGE_IMAGE, this->outImg)
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.build();
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}
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}
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void Gamma::Dispatch(const Core::CommandBuffer& buf, uint64_t frameCount, uint64_t pass_idx) {
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auto& pass = this->passes.at(pass_idx);
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// first shader
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const auto extent = this->tempImgs1.at(0).getExtent();
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const uint32_t threadsX = (extent.width + 7) >> 3;
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const uint32_t threadsY = (extent.height + 7) >> 3;
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Utils::BarrierBuilder(buf)
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.addW2R(this->inImgs1.at((frameCount + 2) % 3))
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.addW2R(this->inImgs1.at(frameCount % 3))
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.addW2R(this->optImg)
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.addR2W(this->tempImgs1.at(0))
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.addR2W(this->tempImgs1.at(1))
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.addR2W(this->tempImgs1.at(2))
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.build();
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this->pipelines.at(0).bind(buf);
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pass.firstDescriptorSet.at(frameCount % 3).bind(buf, this->pipelines.at(0));
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buf.dispatch(threadsX, threadsY, 1);
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// second shader
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Utils::BarrierBuilder(buf)
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.addW2R(this->tempImgs1.at(0))
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.addW2R(this->tempImgs1.at(1))
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.addW2R(this->tempImgs1.at(2))
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.addR2W(this->tempImgs2)
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.build();
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this->pipelines.at(1).bind(buf);
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pass.descriptorSets.at(0).bind(buf, this->pipelines.at(1));
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buf.dispatch(threadsX, threadsY, 1);
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// third shader
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Utils::BarrierBuilder(buf)
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.addW2R(this->tempImgs2)
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.addR2W(this->tempImgs1)
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.build();
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this->pipelines.at(2).bind(buf);
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pass.descriptorSets.at(1).bind(buf, this->pipelines.at(2));
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buf.dispatch(threadsX, threadsY, 1);
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// fourth shader
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Utils::BarrierBuilder(buf)
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.addW2R(this->tempImgs1)
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.addR2W(this->tempImgs2)
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.build();
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this->pipelines.at(3).bind(buf);
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pass.descriptorSets.at(2).bind(buf, this->pipelines.at(3));
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buf.dispatch(threadsX, threadsY, 1);
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// fifth shader
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Utils::BarrierBuilder(buf)
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.addW2R(this->tempImgs2)
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.addW2R(this->optImg)
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.addW2R(this->inImg2)
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.addR2W(this->outImg)
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.build();
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this->pipelines.at(4).bind(buf);
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pass.descriptorSets.at(3).bind(buf, this->pipelines.at(4));
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buf.dispatch(threadsX, threadsY, 1);
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}
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