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wl_shm: use udmabuf directly as texture on integrated GPUs

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This commit is contained in:
Julian Orth 2025-10-02 17:18:09 +02:00
parent da33f26918
commit 9abfe88b05
8 changed files with 213 additions and 70 deletions
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17
src/gfx_apis/vulkan/device.rs
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@ -83,6 +83,7 @@ pub struct VulkanDevice {
pub(super) uniform_buffer_offset_mask: DeviceSize,
pub(super) uniform_buffer_descriptor_size: usize,
pub(super) lost: Cell<bool>,
pub(super) fast_ram_access: bool,
}
impl Drop for VulkanDevice {
@ -129,7 +130,7 @@ impl VulkanInstance {
}
}
fn find_dev(&self, drm: &Drm) -> Result<PhysicalDevice, VulkanError> {
fn find_dev(&self, drm: &Drm) -> Result<(PhysicalDevice, PhysicalDeviceType), VulkanError> {
let dev = drm.dev();
log::log!(
self.log_level,
@ -188,7 +189,7 @@ impl VulkanInstance {
Some(&extensions),
Some(&driver_props),
);
return Ok(phy_dev);
return Ok((phy_dev, props.device_type));
}
devices.push((props, Some(extensions), Some(driver_props)));
}
@ -210,7 +211,7 @@ impl VulkanInstance {
Err(VulkanError::NoDeviceFound(dev))
}
fn find_software_renderer(&self) -> Result<PhysicalDevice, VulkanError> {
fn find_software_renderer(&self) -> Result<(PhysicalDevice, PhysicalDeviceType), VulkanError> {
let phy_devs = unsafe { self.instance.enumerate_physical_devices() };
let phy_devs = match phy_devs {
Ok(d) => d,
@ -222,7 +223,7 @@ impl VulkanInstance {
continue;
}
if props.device_type == PhysicalDeviceType::CPU {
return Ok(phy_dev);
return Ok((phy_dev, props.device_type));
}
}
Err(VulkanError::NoSoftwareRenderer)
@ -344,7 +345,7 @@ impl VulkanInstance {
.ok_or(VulkanError::NoRenderNode)
.map(Rc::new)?;
let gbm = GbmDevice::new(drm).map_err(VulkanError::Gbm)?;
let phy_dev = match software {
let (phy_dev, dev_ty) = match software {
true => self.find_software_renderer()?,
false => self.find_dev(drm)?,
};
@ -543,6 +544,11 @@ impl VulkanInstance {
"Created queues with priorities {max_graphics_priority:?}/{max_transfer_priority:?}",
);
}
let fast_ram_access = match dev_ty {
PhysicalDeviceType::CPU => true,
PhysicalDeviceType::INTEGRATED_GPU => true,
_ => false,
};
Ok(Rc::new(VulkanDevice {
physical_device: phy_dev,
render_node,
@ -572,6 +578,7 @@ impl VulkanInstance {
uniform_buffer_offset_mask,
uniform_buffer_descriptor_size,
lost: Cell::new(false),
fast_ram_access,
}))
}
}