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vulkan: add support for blend buffers

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This commit is contained in:
Julian Orth 2025-02-22 17:18:20 +01:00
parent 1220539a41
commit cb9da22ec2
20 changed files with 638 additions and 78 deletions
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45
src/gfx_apis/vulkan/format.rs
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@ -1,6 +1,6 @@
use {
crate::{
format::{FORMATS, Format},
format::{ABGR16161616F, FORMATS, Format},
gfx_apis::vulkan::{VulkanError, instance::VulkanInstance},
video::{LINEAR_MODIFIER, Modifier},
},
@ -38,18 +38,24 @@ pub struct VulkanModifier {
pub render_needs_bridge: bool,
}
#[derive(Copy, Clone, Debug)]
#[derive(Copy, Clone, Debug, Default)]
pub struct VulkanModifierLimits {
pub max_width: u32,
pub max_height: u32,
pub exportable: bool,
}
#[derive(Debug)]
#[derive(Debug, Default)]
pub struct VulkanInternalFormat {
pub limits: VulkanModifierLimits,
}
#[derive(Copy, Clone, Debug)]
pub struct VulkanBlendBufferLimits {
pub max_width: u32,
pub max_height: u32,
}
const FRAMEBUFFER_FEATURES: FormatFeatureFlags = FormatFeatureFlags::from_raw(
0 | FormatFeatureFlags::COLOR_ATTACHMENT.as_raw()
| FormatFeatureFlags::COLOR_ATTACHMENT_BLEND.as_raw(),
@ -79,6 +85,16 @@ const TRANSFER_USAGE: ImageUsageFlags = ImageUsageFlags::from_raw(
const SHM_USAGE: ImageUsageFlags =
ImageUsageFlags::from_raw(TRANSFER_USAGE.as_raw() | TEX_USAGE.as_raw());
pub const BLEND_FORMAT: &Format = ABGR16161616F;
const BLEND_FEATURES: FormatFeatureFlags = FormatFeatureFlags::from_raw(
0 | FormatFeatureFlags::COLOR_ATTACHMENT.as_raw()
| FormatFeatureFlags::COLOR_ATTACHMENT_BLEND.as_raw()
| FormatFeatureFlags::SAMPLED_IMAGE.as_raw(),
);
pub const BLEND_USAGE: ImageUsageFlags = ImageUsageFlags::from_raw(
ImageUsageFlags::COLOR_ATTACHMENT.as_raw() | ImageUsageFlags::SAMPLED.as_raw(),
);
impl VulkanInstance {
pub(super) fn load_formats(
&self,
@ -126,6 +142,29 @@ impl VulkanInstance {
Ok(())
}
pub fn load_blend_format_limits(
&self,
phy_dev: PhysicalDevice,
) -> Result<VulkanBlendBufferLimits, VulkanError> {
let format_properties = unsafe {
self.instance
.get_physical_device_format_properties(phy_dev, BLEND_FORMAT.vk_format)
};
let l = self
.load_internal_format(
phy_dev,
BLEND_FORMAT,
&format_properties,
BLEND_FEATURES,
BLEND_USAGE,
)?
.unwrap_or_default();
Ok(VulkanBlendBufferLimits {
max_width: l.limits.max_width,
max_height: l.limits.max_height,
})
}
fn load_shm_format(
&self,
phy_dev: PhysicalDevice,