wvr_server: context menu graphics fix

wayvr/src/graphics/mod.rs

@@ -21,7 +21,9 @@ use wgui::gfx::WGfx;
 use vulkano::instance::InstanceCreateFlags;
 use wlx_capture::DrmFormat;
 
-use crate::shaders::{frag_color, frag_grid, frag_screen, frag_sky, frag_srgb, vert_quad};
+use crate::shaders::{
+    frag_color, frag_grid, frag_screen, frag_simple, frag_sky, frag_srgb, vert_quad,
+};
 
 #[cfg(feature = "openxr")]
 use {ash::vk, std::os::raw::c_void};
@@ -83,6 +85,9 @@ impl WGfxExtras {
         let shader = frag_screen::load(gfx.device.clone())?;
         shaders.insert("frag_screen", shader);
 
+        let shader = frag_simple::load(gfx.device.clone())?;
+        shaders.insert("frag_simple", shader);
+
         let drm_formats = get_drm_formats(gfx.device.clone()).into();
 
         let vertices = [

wayvr/src/overlays/wayvr.rs

@@ -156,8 +156,8 @@ impl WvrWindowBackend {
     ) -> anyhow::Result<Self> {
         let popups_pipeline = app.gfx.create_pipeline(
             app.gfx_extras.shaders.get("vert_quad").unwrap(), // want panic
-            app.gfx_extras.shaders.get("frag_screen").unwrap(), // want panic
-            WPipelineCreateInfo::new(app.gfx.surface_format).use_blend(AttachmentBlend::default()),
+            app.gfx_extras.shaders.get("frag_simple").unwrap(), // want panic
+            WPipelineCreateInfo::new(app.gfx.surface_format).use_blend(AttachmentBlend::alpha()),
         )?;
 
         let on_custom_attrib: OnCustomAttribFunc =

wayvr/src/shaders/mod.rs

@@ -26,6 +26,13 @@ pub mod frag_screen {
     }
 }
 
+pub mod frag_simple {
+    vulkano_shaders::shader! {
+        ty: "fragment",
+        path: "src/shaders/simple.frag",
+    }
+}
+
 pub mod frag_srgb {
     vulkano_shaders::shader! {
         ty: "fragment",

wayvr/src/shaders/simple.frag

@@ -0,0 +1,13 @@
+#version 310 es
+precision highp float;
+
+layout (location = 0) in vec2 in_uv;
+layout (location = 0) out vec4 out_color;
+
+layout (set = 0, binding = 0) uniform sampler2D in_texture;
+
+void main()
+{
+    out_color = texture(in_texture, in_uv);
+}
+