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external/loft/modules/base/include/shaders/SamplerBuilder.hpp

@@ -0,0 +1,72 @@
+#pragma once
+
+#include <volk.h>
+
+#include <memory>
+#include <vulkan/vulkan_core.h>
+
+#include "Gpu.hpp"
+
+namespace lft {
+    class SamplerBuilder {
+	VkSamplerCreateInfo m_sampler_info = {};
+
+	public:
+	    SamplerBuilder() {
+		m_sampler_info.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
+	    }
+
+	    inline SamplerBuilder& mag_filter(VkFilter filter) {
+		m_sampler_info.magFilter = filter;
+		return *this;
+	    }
+
+	    inline SamplerBuilder& min_filter(VkFilter filter) {
+		m_sampler_info.minFilter = filter;
+		return *this;
+	    }
+
+	    inline SamplerBuilder& filter(VkFilter filter) {
+		mag_filter(filter);
+		min_filter(filter);
+		return *this;
+	    }
+
+	    inline SamplerBuilder& address_mode_u(VkSamplerAddressMode address_mode) {
+		m_sampler_info.addressModeU = address_mode;
+		return *this;
+	    }
+
+
+	    inline SamplerBuilder& address_mode_v(VkSamplerAddressMode address_mode) {
+		m_sampler_info.addressModeV = address_mode;
+		return *this;
+	    }
+
+	    inline SamplerBuilder& address_mode_w(VkSamplerAddressMode address_mode) {
+		m_sampler_info.addressModeW = address_mode;
+		return *this;
+	    }
+
+	    inline SamplerBuilder& address_mode(VkSamplerAddressMode address_mode) {
+		address_mode_u(address_mode);
+		address_mode_v(address_mode);
+		address_mode_w(address_mode);
+		return *this;
+	    }
+
+	    inline SamplerBuilder& border_color(VkBorderColor border_color) {
+		m_sampler_info.borderColor = border_color;
+		return *this;
+	    }
+
+	    VkSampler build(std::shared_ptr<Gpu> gpu) {
+		VkSampler sampler = VK_NULL_HANDLE;
+		if(vkCreateSampler(gpu->dev(), &m_sampler_info, nullptr, &sampler)) {
+		    throw std::runtime_error("failed to create sampler");
+		}
+
+		return sampler;
+	    }
+    };
+}