60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
#include <stdexcept>
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#include "ge_vulkan_attachment_texture.hpp"
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#include "ge_main.hpp"
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#include "ge_vulkan_driver.hpp"
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#include <stdexcept>
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namespace GE
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{
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GEVulkanAttachmentTexture::GEVulkanAttachmentTexture(GEVulkanDriver* vk,
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const core::dimension2d<u32>& size,
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VkFormat format,
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VkImageUsageFlags iu,
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VkImageAspectFlags ia)
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: GEVulkanTexture()
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{
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m_vk = vk;
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m_vulkan_device = m_vk->getDevice();
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m_image = VK_NULL_HANDLE;
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m_vma_allocation = VK_NULL_HANDLE;
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m_has_mipmaps = false;
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m_locked_data = NULL;
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m_size = m_orig_size = size;
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m_internal_format = format;
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if (!createImage(iu))
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throw std::runtime_error("createImage failed for attachment texture");
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if (!createImageView(ia))
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throw std::runtime_error("createImageView failed for attachment texture");
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} // GEVulkanAttachmentTexture
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// ----------------------------------------------------------------------------
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GEVulkanAttachmentTexture* GEVulkanAttachmentTexture::createDepthTexture(
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GEVulkanDriver* vk, const core::dimension2d<u32>& size,
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bool lazy_allocation)
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{
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std::vector<VkFormat> preferred =
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{
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VK_FORMAT_D32_SFLOAT,
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VK_FORMAT_D24_UNORM_S8_UINT,
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VK_FORMAT_D16_UNORM
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};
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VkFormat format = vk->findSupportedFormat(preferred,
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VK_IMAGE_TILING_OPTIMAL,
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VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);
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VkImageUsageFlags iu = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT |
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VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
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if (lazy_allocation)
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iu |= VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT;
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else
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iu |= VK_IMAGE_USAGE_SAMPLED_BIT;
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return new GEVulkanAttachmentTexture(vk, size, format, iu,
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VK_IMAGE_ASPECT_DEPTH_BIT);
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} // createDepthTexture
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}
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