feat: cubic filtering

src/backend/openxr/swapchain.rs

@@ -6,7 +6,7 @@ use openxr as xr;
 
 use smallvec::SmallVec;
 use vulkano::{
-    image::{sampler::Filter, sys::RawImage, view::ImageView, ImageCreateInfo, ImageUsage},
+    image::{sys::RawImage, view::ImageView, ImageCreateInfo, ImageUsage},
     pipeline::graphics::color_blend::AttachmentBlend,
     Handle,
 };
@@ -96,9 +96,11 @@ impl SwapchainRenderData {
 
         let target_extent = render_target.image().extent();
 
-        let set0 = self
-            .pipeline
-            .uniform_sampler(0, view.clone(), Filter::Linear)?;
+        let set0 = self.pipeline.uniform_sampler(
+            0,
+            view.clone(),
+            command_buffer.graphics.texture_filtering,
+        )?;
 
         let set1 = self.pipeline.uniform_buffer(1, vec![alpha])?;
 

src/backend/uidev/mod.rs

@@ -87,7 +87,7 @@ impl PreviewState {
             )
         }?;
         let set0 = pipeline
-            .uniform_sampler(0, view.clone(), Filter::Linear)
+            .uniform_sampler(0, view.clone(), pipeline.graphics.texture_filtering)
             .unwrap();
 
         let pass = pipeline

src/graphics.rs

@@ -124,6 +124,7 @@ pub struct WlxGraphics {
     pub queue: Arc<Queue>,
 
     pub native_format: Format,
+    pub texture_filtering: Filter,
 
     pub memory_allocator: Arc<StandardMemoryAllocator>,
     pub command_buffer_allocator: Arc<StandardCommandBufferAllocator>,
@@ -267,6 +268,10 @@ impl WlxGraphics {
                 .ext_image_drm_format_modifier;
         }
 
+        if physical_device.supported_extensions().ext_filter_cubic {
+            device_extensions.ext_filter_cubic = true;
+        }
+
         let device_extensions_raw = device_extensions
             .into_iter()
             .filter_map(|(name, enabled)| {
@@ -300,6 +305,12 @@ impl WlxGraphics {
         dynamic_rendering.p_next = device_create_info.p_next as _;
         device_create_info.p_next = (&mut dynamic_rendering) as *const _ as *const c_void;
 
+        let texture_filtering = if physical_device.supported_extensions().ext_filter_cubic {
+            Filter::Cubic
+        } else {
+            Filter::Linear
+        };
+
         let (device, mut queues) = unsafe {
             let vk_device = xr_instance
                 .create_vulkan_device(
@@ -368,6 +379,7 @@ impl WlxGraphics {
             device,
             queue,
             native_format: Format::R8G8B8A8_UNORM,
+            texture_filtering,
             memory_allocator,
             command_buffer_allocator,
             descriptor_set_allocator,
@@ -430,6 +442,10 @@ impl WlxGraphics {
                         p.supported_extensions().ext_image_drm_format_modifier;
                 }
 
+                if p.supported_extensions().ext_filter_cubic {
+                    my_extensions.ext_filter_cubic = true;
+                }
+
                 log::debug!(
                     "Device exts for {}: {:?}",
                     p.properties().device_name,
@@ -459,6 +475,12 @@ impl WlxGraphics {
             physical_device.properties().device_name,
         );
 
+        let texture_filtering = if physical_device.supported_extensions().ext_filter_cubic {
+            Filter::Cubic
+        } else {
+            Filter::Linear
+        };
+
         let (device, mut queues) = Device::new(
             physical_device,
             DeviceCreateInfo {
@@ -509,6 +531,7 @@ impl WlxGraphics {
             queue,
             memory_allocator,
             native_format: Format::R8G8B8A8_UNORM,
+            texture_filtering,
             command_buffer_allocator,
             descriptor_set_allocator,
             quad_indices,
@@ -644,6 +667,7 @@ impl WlxGraphics {
             queue,
             memory_allocator,
             native_format,
+            texture_filtering: Filter::Linear,
             command_buffer_allocator,
             descriptor_set_allocator,
             quad_indices,

src/gui/mod.rs

@@ -5,7 +5,7 @@ use glam::{Vec2, Vec4};
 use vulkano::{
     command_buffer::CommandBufferUsage,
     format::Format,
-    image::{sampler::Filter, view::ImageView, ImageLayout},
+    image::{view::ImageView, ImageLayout},
 };
 
 use crate::{
@@ -353,8 +353,10 @@ impl<D, S> Canvas<D, S> {
             ImageLayout::TransferSrcOptimal,
         )?;
 
-        let set_fg = pipeline_final.uniform_sampler(0, view_fg.clone(), Filter::Linear)?;
-        let set_bg = pipeline_final.uniform_sampler(0, view_bg.clone(), Filter::Linear)?;
+        let set_fg =
+            pipeline_final.uniform_sampler(0, view_fg.clone(), graphics.texture_filtering)?;
+        let set_bg =
+            pipeline_final.uniform_sampler(0, view_bg.clone(), graphics.texture_filtering)?;
         let pass_fg = pipeline_final.create_pass(
             [width as _, height as _],
             vertex_buffer.clone(),
@@ -761,7 +763,7 @@ impl<D, S> Control<D, S> {
                     let set0 = canvas.pipeline_fg_glyph.uniform_sampler(
                         0,
                         ImageView::new_default(tex)?,
-                        Filter::Linear,
+                        app.graphics.texture_filtering,
                     )?;
                     let set1 = canvas
                         .pipeline_fg_glyph
@@ -809,7 +811,7 @@ impl<D, S> Control<D, S> {
                     let set0 = canvas.pipeline_fg_glyph.uniform_sampler(
                         0,
                         ImageView::new_default(tex)?,
-                        Filter::Linear,
+                        app.graphics.texture_filtering,
                     )?;
                     let set1 = canvas
                         .pipeline_fg_glyph

src/overlays/screen.rs

@@ -229,7 +229,9 @@ impl ScreenPipeline {
             .graphics
             .create_command_buffer(CommandBufferUsage::OneTimeSubmit)?;
         let view = ImageView::new_default(image)?;
-        let set0 = self.pipeline.uniform_sampler(0, view, Filter::Linear)?;
+        let set0 = self
+            .pipeline
+            .uniform_sampler(0, view, app.graphics.texture_filtering)?;
 
         let pass = self.pipeline.create_pass(
             self.extentf,