RT pipeline

interfaces/Crafter.Graphics-PipelineRTVulkan.cppm

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