From 34a0c8c64807f79e21ace8c4bcbfdfdc6345e925 Mon Sep 17 00:00:00 2001
From: griffi-gh <prasol258@gmail.com>
Date: Mon, 13 May 2024 19:47:36 +0200
Subject: [PATCH] wip smoverlay

---
 kubi/shaders/c2d.wgsl                   |  1 +
 kubi/src/rendering/primitives.rs        | 16 ++++++++++++++++
 kubi/src/rendering/primitives/fstri.rs  | 24 ++++++++++++++++++++++++
 kubi/src/rendering/submerge/pipeline.rs | 14 ++++++++++++++
 kubi/src/rendering/sumberge.rs          |  2 ++
 5 files changed, 57 insertions(+)
 create mode 100644 kubi/shaders/c2d.wgsl
 create mode 100644 kubi/src/rendering/primitives/fstri.rs
 create mode 100644 kubi/src/rendering/submerge/pipeline.rs

diff --git a/kubi/shaders/c2d.wgsl b/kubi/shaders/c2d.wgsl
new file mode 100644
index 0000000..471ce88
--- /dev/null
+++ b/kubi/shaders/c2d.wgsl
@@ -0,0 +1 @@
+//TODO
diff --git a/kubi/src/rendering/primitives.rs b/kubi/src/rendering/primitives.rs
index c7e85f3..05ef112 100644
--- a/kubi/src/rendering/primitives.rs
+++ b/kubi/src/rendering/primitives.rs
@@ -2,7 +2,9 @@ use bytemuck::{Pod, Zeroable};
 use shipyard::{IntoWorkload, Workload};
 
 mod cube;
+mod fstri;
 pub use cube::CubePrimitive;
+pub use fstri::FstriPrimitive;
 
 pub fn init_primitives() -> Workload {
   (
@@ -23,3 +25,17 @@ impl PrimitiveVertex {
     attributes: &wgpu::vertex_attr_array![0 => Float32x3],
   };
 }
+
+#[derive(Clone, Copy, Default, Pod, Zeroable)]
+#[repr(C, packed)]
+pub struct PrimitiveVertex2 {
+  pub position: [f32; 2],
+}
+
+impl PrimitiveVertex2 {
+  pub const LAYOUT: wgpu::VertexBufferLayout<'static> = wgpu::VertexBufferLayout {
+    array_stride: std::mem::size_of::<PrimitiveVertex2>() as wgpu::BufferAddress,
+    step_mode: wgpu::VertexStepMode::Vertex,
+    attributes: &wgpu::vertex_attr_array![0 => Float32x2],
+  };
+}
diff --git a/kubi/src/rendering/primitives/fstri.rs b/kubi/src/rendering/primitives/fstri.rs
new file mode 100644
index 0000000..b6eb26d
--- /dev/null
+++ b/kubi/src/rendering/primitives/fstri.rs
@@ -0,0 +1,24 @@
+use shipyard::{AllStoragesView, Unique, UniqueView};
+use wgpu::util::DeviceExt;
+use crate::rendering::Renderer;
+use super::PrimitiveVertex2;
+
+pub const FSTRI_VERTICES: &[PrimitiveVertex2] = &[
+  PrimitiveVertex2 { position: [0.0, 0.0] },
+  PrimitiveVertex2 { position: [1.0, 0.0] },
+  PrimitiveVertex2 { position: [0.0, 1.0] },
+  PrimitiveVertex2 { position: [1.0, 1.0] },
+];
+
+#[derive(Unique)]
+pub struct FstriPrimitive(wgpu::Buffer);
+
+pub fn init_fstri_primitive(storages: AllStoragesView) {
+  let renderer = storages.borrow::<UniqueView<Renderer>>().unwrap();
+  let buffer = renderer.device().create_buffer_init(&wgpu::util::BufferInitDescriptor {
+    label: Some("fstri_vertex_buffer"),
+    contents: bytemuck::cast_slice(FSTRI_VERTICES),
+    usage: wgpu::BufferUsages::COPY_DST | wgpu::BufferUsages::VERTEX,
+  });
+  storages.add_unique(FstriPrimitive(buffer));
+}
diff --git a/kubi/src/rendering/submerge/pipeline.rs b/kubi/src/rendering/submerge/pipeline.rs
new file mode 100644
index 0000000..0bcd41a
--- /dev/null
+++ b/kubi/src/rendering/submerge/pipeline.rs
@@ -0,0 +1,14 @@
+pub fn create_render_pipeline(
+  ren: UniqueView<Renderer>,
+  stri_primitive: UniqueView<FstriPrimitive>,
+) -> wgpu::RenderPipeline {
+  let shader = ren.device().create_shader_module(
+    wgpu::include_wgsl!("../../../shaders/c2d.wgsl")
+  );
+  let pipeline_layout = ren.device().create_pipeline_layout(&wgpu::PipelineLayoutDescriptor {
+    label: Some("smoverlay_pipeline_layout"),
+    bind_group_layouts: &[&ren.bind_group_layout],
+    push_constant_ranges: &[],
+  });
+  //TODO
+}
diff --git a/kubi/src/rendering/sumberge.rs b/kubi/src/rendering/sumberge.rs
index a44da40..89eebb0 100644
--- a/kubi/src/rendering/sumberge.rs
+++ b/kubi/src/rendering/sumberge.rs
@@ -1,3 +1,5 @@
+mod pipeline;
+
 // use glium::{uniform, Blend, DrawParameters, Surface};
 // use kubi_shared::transform::Transform;
 // use shipyard::{IntoIter, NonSendSync, UniqueView, UniqueViewMut, View};