From ea3c24ec46ea2f07d06765c6b8572387f9ce14db Mon Sep 17 00:00:00 2001
From: Janis <janis@nirgendwo.xyz>
Date: Tue, 31 Dec 2024 11:58:09 +0100
Subject: [PATCH] correct egui blending

---
 crates/renderer/shaders/egui.slang | 14 +++++++-------
 crates/renderer/src/lib.rs         | 14 +++++++++-----
 2 files changed, 16 insertions(+), 12 deletions(-)

diff --git a/crates/renderer/shaders/egui.slang b/crates/renderer/shaders/egui.slang
index ede6d28..34397d5 100644
--- a/crates/renderer/shaders/egui.slang
+++ b/crates/renderer/shaders/egui.slang
@@ -22,18 +22,18 @@ struct PushConstant {
 ConstantBuffer<PushConstant> push_constant;
 
 [shader("vertex")]
-VertexOut vertex(VertexIn vertex, uint draw_id : SV_DrawIndex) {
+VertexOut vertex(VertexIn vertex, uint draw_id: SV_DrawIndex) {
     VertexOut output;
 
-    output.position = float4(
+	output.position = float4(
 	    2.0 * vertex.pos.x / push_constant.screen_size.x - 1.0,
-	    2.0 * vertex.pos.y / push_constant.screen_size.y - 1.0,
-               0.0,
+		       2.0 * vertex.pos.y / push_constant.screen_size.y - 1.0,
+		       0.0,
 1.0,
     );
-    output.color = vertex.color;
-    output.uv = vertex.uv;
-    output.draw_id = draw_id;
+	output.color = vertex.color;
+	output.uv = vertex.uv;
+	output.draw_id = draw_id;
 
 	return output;
 }
diff --git a/crates/renderer/src/lib.rs b/crates/renderer/src/lib.rs
index c292645..5c05c09 100644
--- a/crates/renderer/src/lib.rs
+++ b/crates/renderer/src/lib.rs
@@ -1996,11 +1996,15 @@ impl EguiState {
                     ..Default::default()
                 }),
                 color_blend: Some(pipeline::ColorBlendState {
-                    attachments: &[vk::PipelineColorBlendAttachmentState {
-                        color_write_mask: vk::ColorComponentFlags::RGBA,
-                        blend_enable: 0,
-                        ..Default::default()
-                    }],
+                    attachments: &[vk::PipelineColorBlendAttachmentState::default()
+                        .color_write_mask(vk::ColorComponentFlags::RGBA)
+                        .blend_enable(true)
+                        .color_blend_op(vk::BlendOp::ADD)
+                        .src_color_blend_factor(vk::BlendFactor::ONE)
+                        .dst_color_blend_factor(vk::BlendFactor::ONE_MINUS_SRC_ALPHA)
+                        .alpha_blend_op(vk::BlendOp::ADD)
+                        .src_alpha_blend_factor(vk::BlendFactor::ONE)
+                        .dst_alpha_blend_factor(vk::BlendFactor::ONE_MINUS_SRC_ALPHA)],
                     ..Default::default()
                 }),
                 rendering: Some(pipeline::RenderingState {