75 lines
2.7 KiB
C++
75 lines
2.7 KiB
C++
/*
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Crafter®.Graphics
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Copyright (C) 2025 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 as published by the Free Software Foundation; either
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version 3.0 of the License, or (at your option) any later version.
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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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#include <cstdint>
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#include <vulkan/vulkan.h>
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#include <cstring>
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#include <iostream>
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#include <cmath>
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#include "VulkanInitializers.hpp"
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export module Crafter.Graphics:HeightmapShader;
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import :Camera;
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import :VulkanPipeline;
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import :DescriptorSet;
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import Crafter.Math;
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namespace Crafter {
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struct HeightMapData {
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MatrixRowMajor<float, 4, 4, 1> mvp;
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uint32_t sizeX;
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uint32_t sizeZ;
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float spacing;
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uint32_t padding[13];
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};
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export template <typename VertexType>
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class HeightmapShader {
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public:
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MatrixRowMajor<float, 4, 4, 1> transform;
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Camera* camera;
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Buffer<HeightMapData> data;
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Buffer<VertexType> heights;
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std::uint32_t threadCount;
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EventListener<void> cameraUpdate;
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HeightmapShader(uint32_t sizeX, uint32_t sizeZ, float spacing, Camera* camera) : threadCount(sizeX * sizeZ), heights(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, sizeX * sizeZ * 4 * 64), data(VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT), camera(camera), cameraUpdate(
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&camera->onUpdate, [this](){
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Update();
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}
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) {
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data.value->sizeX = sizeX*2;
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data.value->sizeZ = sizeZ*2;
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data.value->spacing = spacing;
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transform = MatrixRowMajor<float, 4, 4, 1>::Identity();
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}
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void WriteDescriptors(VkDescriptorSet set) {
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VkWriteDescriptorSet write[2] = {
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vks::initializers::writeDescriptorSet(set, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 0, &data.descriptor),
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vks::initializers::writeDescriptorSet(set, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 1, &heights.descriptor)
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};
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vkUpdateDescriptorSets(VulkanDevice::device, 2, &write[0], 0, nullptr);
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}
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void Update() {
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data.value->mvp = camera->projectionView*transform;
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}
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};
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}
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