81 lines
2.4 KiB
Rust
81 lines
2.4 KiB
Rust
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use crate::prelude::*;
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use anyhow::Result;
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use std::sync::Arc;
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const UNORM_FORMATS: [VkFormat; 2] = [VK_FORMAT_R8G8B8A8_UNORM, VK_FORMAT_B8G8R8A8_UNORM];
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#[derive(Debug)]
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pub struct Surface {
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external_source: bool,
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instance: Arc<Instance>,
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surface: VkSurfaceKHR,
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}
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impl Surface {
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pub fn from_vk_surface(surface: VkSurfaceKHR, instance: &Arc<Instance>) -> Arc<Surface> {
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Arc::new(Surface {
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external_source: true,
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instance: instance.clone(),
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surface,
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})
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}
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pub fn capabilities(&self, device: &Arc<Device>) -> Result<VkSurfaceCapabilitiesKHR> {
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self.instance.physical_device_surface_capabilities(
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device.physical_device().vk_handle(),
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self.surface,
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)
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}
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pub fn format_colorspace(
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&self,
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device: &Arc<Device>,
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prefered_format: VkFormat,
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) -> Result<(VkFormat, VkColorSpaceKHR)> {
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let surface_formats = self
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.instance
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.physical_device_surface_formats(device.physical_device().vk_handle(), self.surface)?;
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// if there is a single undefined format, assume the preferred mode
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if (surface_formats.len() == 1) && (surface_formats[0].format == VK_FORMAT_UNDEFINED) {
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return Ok((prefered_format, VK_COLOR_SPACE_SRGB_NONLINEAR_KHR));
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}
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// look for prefered_format
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for surface_format in &surface_formats {
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if surface_format.format == prefered_format {
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return Ok((surface_format.format, surface_format.colorSpace));
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}
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}
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// prefer UNORM formats
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for surface_format in &surface_formats {
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for unorm_format in &UNORM_FORMATS {
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if *unorm_format == surface_format.format {
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return Ok((surface_format.format, surface_format.colorSpace));
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}
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}
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}
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// if nothing was found, take the first one
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Ok((surface_formats[0].format, surface_formats[0].colorSpace))
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}
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pub fn present_modes(&self, device: &Arc<Device>) -> Result<Vec<VkPresentModeKHR>> {
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self.instance
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.physical_device_present_modes(device.physical_device().vk_handle(), self.surface)
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}
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}
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impl_vk_handle!(Surface, VkSurfaceKHR, surface);
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impl Drop for Surface {
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fn drop(&mut self) {
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if !self.external_source {
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self.instance.destroy_surface(self.surface)
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}
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}
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}
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