// vk-util.cpp
#include "vk-util.h"

#include <stdlib.h>
#include <stdio.h>

namespace gfx {

/* static */VkFormat VulkanUtil::getVkFormat(Format format)
{
    switch (format)
    {
        case Format::RGBA_Float32:      return VK_FORMAT_R32G32B32A32_SFLOAT;
        case Format::RGB_Float32:       return VK_FORMAT_R32G32B32_SFLOAT;
        case Format::RG_Float32:        return VK_FORMAT_R32G32_SFLOAT;
        case Format::R_Float32:         return VK_FORMAT_R32_SFLOAT;
        case Format::RGBA_Unorm_UInt8:  return VK_FORMAT_R8G8B8A8_UNORM;
        case Format::R_UInt32:          return VK_FORMAT_R32_UINT;

        case Format::D_Float32:         return VK_FORMAT_D32_SFLOAT;
        case Format::D_Unorm24_S8:      return VK_FORMAT_D24_UNORM_S8_UINT;

        default:                        return VK_FORMAT_UNDEFINED;
    }
}

/* static */SlangResult VulkanUtil::toSlangResult(VkResult res)
{
    return (res == VK_SUCCESS) ? SLANG_OK : SLANG_FAIL;
}

/* static */Slang::Result VulkanUtil::handleFail(VkResult res)
{
    if (res != VK_SUCCESS)
    {
        assert(!"Vulkan returned a failure");
    }
    return toSlangResult(res);
}

/* static */void VulkanUtil::checkFail(VkResult res)
{
    assert(res != VK_SUCCESS);
    assert(!"Vulkan check failed");

}

/* static */VkPrimitiveTopology VulkanUtil::getVkPrimitiveTopology(PrimitiveTopology topology)
{
    switch (topology)
    {
        case PrimitiveTopology::TriangleList:       return VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST;
        default: break;
    }
    assert(!"Unknown topology");
    return VK_PRIMITIVE_TOPOLOGY_MAX_ENUM;
}

} // renderer_test