TextureSampler.h

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#ifndef VULKAN_TEXTURESAMPLER
#define VULKAN_TEXTURESAMPLER
 
#include <vulkan/vulkan.h>
 
#include "LogicalDevice.h"
#include "PhysicalDevice.h"
#include "VulkanException.h"
 
 
namespace Vulkan { class TextureSampler; }
 
class Vulkan::TextureSampler {
public:
 
    TextureSampler(const LogicalDevice& virtualGpu, const PhysicalDevice& realGpu) : virtualGpu{ &virtualGpu } {
        VkSamplerCreateInfo samplerInfo{};
        samplerInfo.sType = VK_STRUCTURE_TYPE_SAMPLER_CREATE_INFO;
        samplerInfo.magFilter = VK_FILTER_LINEAR;
        samplerInfo.minFilter = VK_FILTER_LINEAR;
        samplerInfo.addressModeU = VK_SAMPLER_ADDRESS_MODE_REPEAT;
        samplerInfo.addressModeV = VK_SAMPLER_ADDRESS_MODE_REPEAT;
        samplerInfo.addressModeW = VK_SAMPLER_ADDRESS_MODE_REPEAT;
        samplerInfo.anisotropyEnable = VK_TRUE;
        samplerInfo.maxAnisotropy = realGpu.getProperties().limits.maxSamplerAnisotropy;
        samplerInfo.borderColor = VK_BORDER_COLOR_INT_OPAQUE_BLACK;
        samplerInfo.unnormalizedCoordinates = VK_FALSE;
        samplerInfo.compareEnable = VK_FALSE;
        samplerInfo.compareOp = VK_COMPARE_OP_ALWAYS;
        samplerInfo.mipmapMode = VK_SAMPLER_MIPMAP_MODE_LINEAR;
        samplerInfo.mipLodBias = 0.0f;
        samplerInfo.minLod = 0.0f;
        samplerInfo.maxLod = 0.0f;
 
        if (VkResult result = vkCreateSampler(+virtualGpu, &samplerInfo, nullptr, &textureSampler); result != VK_SUCCESS) {
            throw VulkanException{ "Failed to create texture sampler!", result };
        }
    }
 
 
    TextureSampler(const TextureSampler&) = delete;
    TextureSampler& operator=(const TextureSampler&) = delete;
    TextureSampler(TextureSampler&&) = delete;
    TextureSampler& operator=(TextureSampler&&) = delete;
 
 
    ~TextureSampler() {
        vkDestroySampler(+*virtualGpu, textureSampler, nullptr);
    }
 
 
    const VkSampler& operator+() const {
        return textureSampler;
    }
 
private:
 
    VkSampler textureSampler;
    LogicalDevice const* virtualGpu;
 
};
 
 
 
#endif