1 files changed, 62 insertions, 0 deletions
diff --git a/debug.cginc b/debug.cginc
new file mode 100644
index 0000000..2103a50
--- /dev/null
+++ b/debug.cginc
@@ -0,0 +1,62 @@
+#ifndef DEBUG_CGINC
+#define DEBUG_CGINC
+
+float4 apply_debug_view(v2f i, Pbr pbr, LightData light_data, BrdfData bd,
+    float4 color) {
+#if defined(_DEBUG_VIEW_UNLIT)
+  return pbr.albedo;
+#elif defined(_DEBUG_VIEW_WORLD_SPACE_NORMALS)
+  return float4((pbr.normal + 1.0f) * 0.5f, 1);
+#elif defined(_DEBUG_VIEW_OBJECT_SPACE_NORMALS)
+  float3 normalOS = normalize(mul((float3x3)unity_WorldToObject, pbr.normal));
+  return float4((normalOS + 1.0f) * 0.5f, 1);
+#elif defined(_DEBUG_VIEW_METALLIC_GLOSS)
+  return float4(pbr.metallic, pbr.smoothness, 0, 1);
+#elif defined(_DEBUG_VIEW_DEPTH)
+  float2 screen_uv = i.pos.xy / _ScreenParams.xy;
+  float depth = SAMPLE_DEPTH_TEXTURE(_CameraDepthTexture, screen_uv);
+  depth *= 100;
+  depth *= depth;
+  depth *= depth;
+  depth *= 100;
+  return float4(depth, depth, depth, 1);
+#elif defined(_DEBUG_VIEW_DIRECT_NOH)
+  return float4(F1_TO_F3(light_data.direct.NoH), 1);
+#elif defined(_DEBUG_VIEW_DIRECT_LOH)
+  return float4(F1_TO_F3(light_data.direct.LoH), 1);
+#elif defined(_DEBUG_VIEW_DIRECT_NOL)
+  return float4(F1_TO_F3(light_data.direct.NoL), 1);
+#elif defined(_DEBUG_VIEW_DIRECT_LOV)
+  return float4(F1_TO_F3(light_data.direct.LoV), 1);
+#elif defined(_DEBUG_VIEW_DIRECT_COLOR)
+  return float4(light_data.direct.color, 1);
+#elif defined(_DEBUG_VIEW_NOV)
+  return float4(F1_TO_F3(light_data.common.NoV), 1);
+#elif defined(_DEBUG_VIEW_AO)
+  return float4(F1_TO_F3(light_data.common.ao), 1);
+#elif defined(_DEBUG_VIEW_INDIRECT_DIFFUSE)
+  return float4(light_data.indirect.diffuse, 1);
+#elif defined(_DEBUG_VIEW_INDIRECT_SPECULAR)
+  return float4(light_data.indirect.specular, 1);
+#elif defined(_DEBUG_VIEW_BRDF_D)
+  return float4(F1_TO_F3(bd.direct_d), 1);
+#elif defined(_DEBUG_VIEW_BRDF_F)
+  return float4(bd.direct_f, 1);
+#elif defined(_DEBUG_VIEW_BRDF_G)
+  return float4(F1_TO_F3(bd.direct_g), 1);
+#elif defined(_DEBUG_VIEW_BRDF_DFG)
+  return float4(bd.ibl_dfg, 1);
+#elif defined(_DEBUG_VIEW_BRDF_D_CC)
+  return float4(F1_TO_F3(bd.direct_d_cc), 1);
+#elif defined(_DEBUG_VIEW_BRDF_F_CC)
+  return float4(F1_TO_F3(bd.direct_f_cc), 1);
+#elif defined(_DEBUG_VIEW_BRDF_G_CC)
+  return float4(F1_TO_F3(bd.direct_g_cc), 1);
+#elif defined(_DEBUG_VIEW_BRDF_DFG_CC)
+  return float4(bd.ibl_dfg_cc, 1);
+#else
+  return color;
+#endif
+}
+
+#endif  // DEBUG_CGINC