temp

destrum/assets_src/shaders/skybox.frag

@@ -4,26 +4,33 @@
 
 #include "bindless.glsl"
 
-layout(location = 0) in vec2 uv;      // from fullscreen triangle: 0..2 range
+layout(location = 0) in vec2 uv;
 layout(location = 0) out vec4 outColor;
 
 layout(push_constant) uniform SkyboxPC {
-    mat4 invViewProj;        // inverse(Proj * View) (your current setup)
-    vec4 cameraPos;          // xyz = camera world position
-    uint skyboxTextureId;    // index into textureCubes[]
+    mat4 invViewProj;
+    vec4 skyboxRot[3];
+    vec3 cameraPos;
+    uint skyboxTextureId;
 } pcs;
 
 void main()
 {
     vec2 ndcXY = uv * 2.0 - 1.0;
-
     vec4 ndc = vec4(ndcXY, 1.0, 1.0);
 
     vec4 world = pcs.invViewProj * ndc;
     vec3 worldPos = world.xyz / world.w;
 
-    vec3 dir = normalize(worldPos - pcs.cameraPos.xyz);
+    vec3 dir = normalize(worldPos - pcs.cameraPos);
     dir.y *= -1.0;
 
+    mat3 skyboxRot = mat3(
+    pcs.skyboxRot[0].xyz,
+    pcs.skyboxRot[1].xyz,
+    pcs.skyboxRot[2].xyz
+    );
+    dir = skyboxRot * dir;
+
     outColor = sampleTextureCubeLinear(pcs.skyboxTextureId, dir);
-}
+}