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