From 3fd33ecff7472e4d6fc9e6b3905f56982e497ef2 Mon Sep 17 00:00:00 2001 From: hachem Date: Sun, 23 Aug 2026 17:21:37 +0200 Subject: [feat]: complete RHI api --- assets/shaders/EquirectToCubemap.slang | 33 --------------------------------- 1 file changed, 33 deletions(-) delete mode 100644 assets/shaders/EquirectToCubemap.slang (limited to 'assets/shaders/EquirectToCubemap.slang') diff --git a/assets/shaders/EquirectToCubemap.slang b/assets/shaders/EquirectToCubemap.slang deleted file mode 100644 index 9b2ea4b..0000000 --- a/assets/shaders/EquirectToCubemap.slang +++ /dev/null @@ -1,33 +0,0 @@ -uniform float4x4 u_Projection; -uniform float4x4 u_View; - -struct VSInput { float3 position : POSITION; }; -struct VSOutput { float4 position : SV_Position; float3 worldPos : TEXCOORD0; }; - -[shader("vertex")] -VSOutput vertexMain(VSInput input) -{ - VSOutput output; - output.worldPos = input.position; - output.position = mul(u_Projection, mul(u_View, float4(input.position, 1.0))); - return output; -} - -Sampler2D u_EquirectangularMap; -static const float2 invAtan = float2(0.1591, 0.3183); - -float2 SampleSphericalMap(float3 v) -{ - float2 uv = float2(atan2(v.z, v.x), asin(v.y)); - uv *= invAtan; - uv += 0.5; - return uv; -} - -[shader("fragment")] -float4 fragmentMain(VSOutput input) : SV_Target -{ - float2 uv = SampleSphericalMap(normalize(input.worldPos)); - float3 color = u_EquirectangularMap.Sample(uv).rgb; - return float4(color, 1.0); -} -- cgit v1.3