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Jorijn van der Graaf 2025-06-13 23:59:36 +02:00
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example/VulkanShader/main.cpp Normal file
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/*
Crafter®.Graphics
Copyright (C) 2025 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 as published by the Free Software Foundation; either
version 3.0 of the License, or (at your option) any later version.
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
*/
#include "../../lib/VulkanInitializers.hpp"
#include <cstring>
#include <vector>
#include <vulkan/vulkan.h>
//required for the camera matrix.
import Crafter.Math;
import Crafter.Event;
import Crafter.Graphics;
using namespace Crafter;
typedef VulkanShader<"CustomShader.spirv", "main", VK_SHADER_STAGE_MESH_BIT_EXT, 1, {{{VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 0}}}> CustomShaderSpirv;
typedef VulkanShader<"FragmentShaderVertexColor.spirv", "main", VK_SHADER_STAGE_FRAGMENT_BIT, 0, {}> FragmentShader;
typedef VulkanPipeline<CustomShaderSpirv, FragmentShader> Pipeline;
class CustomShader {
public:
/*
Define a buffer holding our color vectors.
*/
Buffer<Vector<float, 4>> colors;
/*
Initialze our buffer as shader visible storage buffer with the size of the colors vector.
*/
CustomShader(const std::vector<Vector<float, 4>>& colors) : colors(VK_BUFFER_USAGE_STORAGE_BUFFER_BIT, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT | VK_MEMORY_PROPERTY_HOST_COHERENT_BIT, colors.size()) {
memcpy(this->colors.value, colors.data(), colors.size()*sizeof(Vector<float, 4>));
}
void WriteDescriptors(VkDescriptorSet set) {
/*
Write the color buffer descriptor to the set.
*/
VkWriteDescriptorSet write[1] = {
vks::initializers::writeDescriptorSet(set, VK_DESCRIPTOR_TYPE_STORAGE_BUFFER, 0, &colors.descriptor),
};
vkUpdateDescriptorSets(VulkanDevice::device, 1, &write[0], 0, nullptr);
}
};
int main() {
VulkanDevice::CreateDevice();
CustomShaderSpirv::CreateShader();
FragmentShader::CreateShader();
Pipeline::CreatePipeline();
WindowWaylandVulkan window("HelloWindow", 1280, 720);
DescriptorSet<CustomShaderSpirv, FragmentShader> descriptors;
CustomShader customShader({{1,0,0,1}, {0,1,0,1}, {0,0,1,1}});
customShader.WriteDescriptors(descriptors.set[0]);
EventListener<VkCommandBuffer> listener(&window.onDraw, [&descriptors](VkCommandBuffer cmd){
vkCmdBindDescriptorSets(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, Pipeline::pipelineLayout, 0, 2, &descriptors.set[0], 0, NULL);
vkCmdBindPipeline(cmd, VK_PIPELINE_BIND_POINT_GRAPHICS, Pipeline::pipeline);
VulkanDevice::vkCmdDrawMeshTasksEXTProc(cmd, 1, 1, 1);
});
window.StartSync();
}