79 lines
3 KiB
Text
79 lines
3 KiB
Text
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/*
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Crafter®.Graphics
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Copyright (C) 2026 Catcrafts®
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catcrafts.net
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License version 3.0 as published by the Free Software Foundation;
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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module;
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#ifdef CRAFTER_GRAPHICS_VULKAN
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#include <vulkan/vulkan.h>
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#endif
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export module Crafter.Graphics:PipelineRTVulkan;
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#ifdef CRAFTER_GRAPHICS_VULKAN
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import std;
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import :VulkanDevice;
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import :DescriptorLayoutVulkan;
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export namespace Crafter {
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template <typename Raygen, typename... Shaders>
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class PipelineRTVulkan {
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public:
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inline static VkPipeline pipeline;
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inline static VkPipelineLayout pipelineLayout;
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static void Init() {
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VkPipelineLayoutCreateInfo pipelineLayoutInfo {
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.sType = VK_STRUCTURE_TYPE_PIPELINE_LAYOUT_CREATE_INFO,
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.setLayoutCount = sizeof...(Shaders),
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.pSetLayouts = DescriptorLayoutVulkan<Shaders...>::descriptorSetLayout
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};
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VulkanDevice::CheckVkResult(vkCreatePipelineLayout(VulkanDevice::device, &pipelineLayoutInfo, nullptr, &pipelineLayout));
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std::array<VkPipelineShaderStageCreateInfo, 1> shaderStages;
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shaderStages[0].sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
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shaderStages[0].stage = Raygen::_stage;
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shaderStages[0].module = Raygen::shader;
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shaderStages[0].pName = Raygen::_entrypoint.value;
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shaderStages[0].flags = 0;
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shaderStages[0].pSpecializationInfo = nullptr;
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shaderStages[0].pNext = nullptr;
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VkRayTracingShaderGroupCreateInfoKHR group {
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.sType = VK_STRUCTURE_TYPE_RAY_TRACING_SHADER_GROUP_CREATE_INFO_KHR,
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.generalShader = 0,
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.closestHitShader = VK_SHADER_UNUSED_KHR,
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.anyHitShader = VK_SHADER_UNUSED_KHR,
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.intersectionShader = VK_SHADER_UNUSED_KHR
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};
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VkRayTracingPipelineCreateInfoKHR rtPipelineInfo{
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.sType = VK_STRUCTURE_TYPE_RAY_TRACING_PIPELINE_CREATE_INFO_KHR,
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.stageCount = static_cast<std::uint32_t>(shaderStages.size()),
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.pStages = shaderStages.data(),
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.groupCount = static_cast<std::uint32_t>(1),
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.pGroups = &group,
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.maxPipelineRayRecursionDepth = 1,
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.layout = pipelineLayout
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};
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VulkanDevice::vkCreateRayTracingPipelinesKHR(VulkanDevice::device, {}, {}, 1, &rtPipelineInfo, nullptr, &pipeline);
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}
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};
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}
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#endif
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