Some renaming

betterRenderer/shaders/skybox.hlsl

@@ -0,0 +1,49 @@
+
+struct VertexOutput {
+  float2 m_Position : Position;
+  float4 m_PositionSV : SV_Position;
+};
+
+struct PixelOutput {
+  float3 m_Color : SV_Target0;
+  float3 m_Emission : SV_Target1;
+  float4 m_Params : SV_Target2;
+  float3 m_Normal : SV_Target3;
+  float3 m_Motion : SV_Target4;
+};
+
+cbuffer SkyboxPixelConstants : register(b0) {
+  float4x4 g_InverseViewProjection;
+  float4x4 g_HistoryReproject;
+  float3 g_SunDirection;
+  float g_Altitude;
+  float3 g_MoonDirection;
+}
+
+sampler g_SkyboxSampler : register(s0);
+TextureCube g_Skybox : register(t0);
+
+#include "manul/sky.hlsli"
+
+PixelOutput main(VertexOutput ps_in) {
+  PixelOutput result;
+  result.m_Color = 0..xxx;
+  result.m_Emission = 1..xxx;
+  result.m_Params = 0..xxxx;
+  result.m_Normal = 0..xxx;
+  result.m_Motion = 0..xxx;
+  float4 positionNdc = float4((ps_in.m_Position - .5.xx) * float2(2., -2.), 1., 1.);
+  float3 viewDir = normalize(mul(g_InverseViewProjection, positionNdc).xyz);
+  result.m_Emission = 1.e-7;
+  CalcSun(result.m_Emission, viewDir, g_SunDirection, g_Altitude);
+  CalcMoon(result.m_Emission, viewDir, g_MoonDirection, g_SunDirection, g_Altitude);
+  CalcAtmosphere(result.m_Emission, viewDir, g_SunDirection);
+  //result.m_Emission = g_Skybox.Sample(g_SkyboxSampler, normalize(mul(g_InverseViewProjection, positionNdc).xyz)).rgb;
+  //result.m_Emission = 0.; //Sky(normalize(mul(g_InverseViewProjection, positionNdc).xyz), g_SunDirection, g_Altitude);
+  float4 positionReproject = mul(g_HistoryReproject, positionNdc);
+  positionReproject.xyz /= positionReproject.w;
+  result.m_Motion = (positionNdc - positionReproject).xyz;
+  result.m_Motion.xy = result.m_Motion.xy * .5.xx;
+  //result.m_Output = source.Sample(source_sampler, ps_in.m_Position);
+  return result;
+}