feat(engine): add imgui ui supportHEADmaster

1 files changed, 54 insertions, 0 deletions

diff --git a/engine/res/imgui_shader.slang b/engine/res/imgui_shader.slang
new file mode 100644
index 0000000..6ce51d6
--- /dev/null
+++ b/engine/res/imgui_shader.slang
@@ -0,0 +1,54 @@
+struct Vertex
+{
+    float3 pos;
+    float4 color;
+    float2 texture_coords;
+};
+
+struct VertexData
+{
+    float4 color;
+    float2 texture_coords;
+};
+
+struct VertexStageOutput
+{
+    VertexData vertex_data : VertexData;
+    float4 sv_position : SV_Position;
+};
+
+struct Fragment
+{
+    float4 color;
+};
+
+cbuffer Uniforms
+{
+    float4x4 projection;
+};
+
+Sampler2D main_texture;
+
+[shader("vertex")]
+VertexStageOutput vertex_main(Vertex vertex: VERTEX)
+{
+    VertexStageOutput stage_output;
+
+    stage_output.sv_position = mul(projection, float4(vertex.pos.xy, 0.f, 1.f));
+
+    stage_output.vertex_data.color = vertex.color;
+    stage_output.vertex_data.texture_coords = vertex.texture_coords;
+
+    return stage_output;
+}
+
+[shader("fragment")]
+Fragment fragment_main(VertexData vertex_data: VertexData) : SV_Target
+{
+    Fragment fragment;
+
+    fragment.color = vertex_data.color * main_texture.Sample(vertex_data.texture_coords);
+
+    return fragment;
+}
+