depth.c

#include <kiba/renderer/vulkan/depth.h>
 
#include <kiba/renderer/vulkan/image.h>
 
VkFormat vulkan_depth_fitting_format(vulkan_context *context) {
    VkFormat candidates[] = {
        VK_FORMAT_D32_SFLOAT,
        VK_FORMAT_D32_SFLOAT_S8_UINT,
        VK_FORMAT_D24_UNORM_S8_UINT,
    };
    return vulkan_image_fitting_format(context,
                                       candidates,
                                       sizeof(candidates) / sizeof(candidates[0]),
                                       VK_IMAGE_TILING_OPTIMAL,
                                       VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT);
}
 
/*static b8 vulkan_depth_format_has_stencil_component(VkFormat format) {
    return format == VK_FORMAT_D32_SFLOAT_S8_UINT || format == VK_FORMAT_D24_UNORM_S8_UINT;
}*/
 
b8 vulkan_depth_create(vulkan_context *context) {
    const VkFormat format = vulkan_depth_fitting_format(context);
    if (!vulkan_image_create(context,
                             context->swap_chain.extent.width,
                             context->swap_chain.extent.height,
                             format,
                             VK_IMAGE_TILING_OPTIMAL,
                             VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT,
                             VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT,
                             &context->depth.image)) {
        KB_ERROR("cannot create image for depth attachment");
        return false;
    }
    if (!vulkan_image_view_create(context,
                                  context->depth.image.image,
                                  format,
                                  VK_IMAGE_ASPECT_DEPTH_BIT,
                                  &context->depth.view)) {
        KB_ERROR("cannot create image view for depth attachment");
    }
    return true;
}
 
void vulkan_depth_destroy(vulkan_context *context) {
    vulkan_image_view_destroy(context, &context->depth.view);
    vulkan_image_destroy(context, &context->depth.image);
}