81 lines
2.7 KiB
Rust
81 lines
2.7 KiB
Rust
use crate::texture::VulkanImage;
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use crate::{error, util};
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use ash::vk;
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use librashader_common::Size;
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#[derive(Clone)]
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pub(crate) struct OutputImage {
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pub size: Size<u32>,
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pub image_view: vk::ImageView,
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image: vk::Image,
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}
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impl OutputImage {
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pub fn new(device: &ash::Device, image: VulkanImage) -> error::Result<OutputImage> {
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let image_subresource = vk::ImageSubresourceRange::default()
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.base_mip_level(0)
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.base_array_layer(0)
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.level_count(1)
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.layer_count(1)
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.aspect_mask(vk::ImageAspectFlags::COLOR);
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let swizzle_components = vk::ComponentMapping::default()
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.r(vk::ComponentSwizzle::R)
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.g(vk::ComponentSwizzle::G)
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.b(vk::ComponentSwizzle::B)
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.a(vk::ComponentSwizzle::A);
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let view_info = vk::ImageViewCreateInfo::default()
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.view_type(vk::ImageViewType::TYPE_2D)
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.format(image.format)
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.image(image.image)
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.subresource_range(image_subresource)
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.components(swizzle_components);
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let image_view = unsafe { device.create_image_view(&view_info, None)? };
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Ok(OutputImage {
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size: image.size,
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image: image.image,
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image_view,
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})
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}
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pub fn begin_pass(&self, device: &ash::Device, cmd: vk::CommandBuffer) {
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unsafe {
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util::vulkan_image_layout_transition_levels(
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device,
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cmd,
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self.image,
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1,
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vk::ImageLayout::UNDEFINED,
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vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL,
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vk::AccessFlags::empty(),
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vk::AccessFlags::COLOR_ATTACHMENT_READ | vk::AccessFlags::COLOR_ATTACHMENT_WRITE,
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vk::PipelineStageFlags::ALL_GRAPHICS,
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vk::PipelineStageFlags::COLOR_ATTACHMENT_OUTPUT,
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vk::QUEUE_FAMILY_IGNORED,
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vk::QUEUE_FAMILY_IGNORED,
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)
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}
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}
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pub fn end_pass(&self, device: &ash::Device, cmd: vk::CommandBuffer) {
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unsafe {
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util::vulkan_image_layout_transition_levels(
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&device,
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cmd,
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self.image,
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vk::REMAINING_MIP_LEVELS,
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vk::ImageLayout::COLOR_ATTACHMENT_OPTIMAL,
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vk::ImageLayout::SHADER_READ_ONLY_OPTIMAL,
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vk::AccessFlags::COLOR_ATTACHMENT_WRITE,
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vk::AccessFlags::SHADER_READ,
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vk::PipelineStageFlags::ALL_GRAPHICS,
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vk::PipelineStageFlags::FRAGMENT_SHADER,
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vk::QUEUE_FAMILY_IGNORED,
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vk::QUEUE_FAMILY_IGNORED,
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)
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}
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}
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}
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