feat(engine): add sky box support

1 files changed, 34 insertions, 0 deletions

diff --git a/engine/res/sky_box_shader.slang b/engine/res/sky_box_shader.slang
new file mode 100644
index 0000000..1a41220
--- /dev/null
+++ b/engine/res/sky_box_shader.slang
@@ -0,0 +1,34 @@
+SamplerCube cube_texture;
+
+cbuffer Uniforms
+{
+    float4x4 projection;
+    float4x4 view;
+}
+
+struct VertexStageOutput
+{
+    float4 sv_position : SV_Position;
+    float3 vertex_pos : VertexPosition;
+};
+
+[shader("vertex")]
+VertexStageOutput vertex_main(float3 pos: STD_POSITION)
+{
+    VertexStageOutput output;
+
+    output.vertex_pos = pos;
+
+    float4x4 proj_view = mul(projection, view);
+
+    output.sv_position = mul(proj_view, float4(pos, 1.0)).xyww;
+
+    return output;
+}
+
+[shader("fragment")]
+float4 fragment_main(float3 vertex_pos: VertexPosition) : SV_Target
+{
+    return cube_texture.Sample(vertex_pos);
+}
+