Add terrain gimmick (ds2_11) and analytic fog (fog01)

1 files changed, 189 insertions, 0 deletions

diff --git a/texture_macros.cginc b/texture_macros.cginc
new file mode 100644
index 0000000..c82e432
--- /dev/null
+++ b/texture_macros.cginc
@@ -0,0 +1,189 @@
+#ifndef __TEXTURE_MACROS_INC
+#define __TEXTURE_MACROS_INC
+
+#include "interpolators.cginc"
+
+float2 get_uv_by_channel(v2f i, uint which_channel) {
+  switch (which_channel) {
+    case 0:
+      return i.uv0;
+      break;
+#if !defined(_OPTIMIZE_INTERPOLATORS)
+    case 1:
+      return i.uv1;
+      break;
+#if !defined(LIGHTMAP_ON)
+    case 2:
+      return i.uv2;
+      break;
+    case 3:
+      return i.uv3;
+      break;
+    case 4:
+      return i.uv4;
+      break;
+    case 5:
+      return i.uv5;
+      break;
+    case 6:
+      return i.uv6;
+      break;
+    case 7:
+      return i.uv7;
+      break;
+#endif
+#endif  // _OPTIMIZE_INTERPOLATORS
+    default:
+      return 0;
+      break;
+  }
+}
+
+#define UV_SCOFF(i, tex_st, which_channel) get_uv_by_channel(i, round(which_channel)) * (tex_st).xy + (tex_st).zw
+
+#if defined(_PBR_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_PBR linear_repeat_s
+#elif defined(_PBR_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_PBR linear_clamp_s
+#elif defined(_PBR_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_PBR point_repeat_s
+#elif defined(_PBR_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_PBR point_clamp_s
+#elif defined(_PBR_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_PBR bilinear_repeat_s
+#elif defined(_PBR_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_PBR bilinear_clamp_s
+#else
+#define GET_SAMPLER_PBR bilinear_clamp_s
+#endif
+
+#if defined(_PBR_OVERLAY0_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_OV0 linear_repeat_s
+#elif defined(_PBR_OVERLAY0_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_OV0 linear_clamp_s
+#elif defined(_PBR_OVERLAY0_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_OV0 point_repeat_s
+#elif defined(_PBR_OVERLAY0_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_OV0 point_clamp_s
+#elif defined(_PBR_OVERLAY0_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_OV0 bilinear_repeat_s
+#elif defined(_PBR_OVERLAY0_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_OV0 bilinear_clamp_s
+#else
+#define GET_SAMPLER_OV0 linear_clamp_s
+#endif
+
+#if defined(_PBR_OVERLAY1_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_OV1 linear_repeat_s
+#elif defined(_PBR_OVERLAY1_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_OV1 linear_clamp_s
+#elif defined(_PBR_OVERLAY1_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_OV1 point_repeat_s
+#elif defined(_PBR_OVERLAY1_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_OV1 point_clamp_s
+#elif defined(_PBR_OVERLAY1_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_OV1 bilinear_repeat_s
+#elif defined(_PBR_OVERLAY1_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_OV1 bilinear_clamp_s
+#else
+#define GET_SAMPLER_OV1 linear_clamp_s
+#endif
+
+#if defined(_PBR_OVERLAY2_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_OV2 linear_repeat_s
+#elif defined(_PBR_OVERLAY2_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_OV2 linear_clamp_s
+#elif defined(_PBR_OVERLAY2_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_OV2 point_repeat_s
+#elif defined(_PBR_OVERLAY2_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_OV2 point_clamp_s
+#elif defined(_PBR_OVERLAY2_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_OV2 bilinear_repeat_s
+#elif defined(_PBR_OVERLAY2_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_OV2 bilinear_clamp_s
+#else
+#define GET_SAMPLER_OV2 linear_clamp_s
+#endif
+
+#if defined(_PBR_OVERLAY3_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_OV3 linear_repeat_s
+#elif defined(_PBR_OVERLAY3_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_OV3 linear_clamp_s
+#elif defined(_PBR_OVERLAY3_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_OV3 point_repeat_s
+#elif defined(_PBR_OVERLAY3_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_OV3 point_clamp_s
+#elif defined(_PBR_OVERLAY3_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_OV3 bilinear_repeat_s
+#elif defined(_PBR_OVERLAY3_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_OV3 bilinear_clamp_s
+#else
+#define GET_SAMPLER_OV3 linear_clamp_s
+#endif
+
+#if defined(_RIM_LIGHTING0_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_RL0 linear_repeat_s
+#elif defined(_RIM_LIGHTING0_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_RL0 linear_clamp_s
+#elif defined(_RIM_LIGHTING0_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_RL0 point_repeat_s
+#elif defined(_RIM_LIGHTING0_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_RL0 point_clamp_s
+#elif defined(_RIM_LIGHTING0_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_RL0 bilinear_repeat_s
+#elif defined(_RIM_LIGHTING0_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_RL0 bilinear_clamp_s
+#else
+#define GET_SAMPLER_RL0 linear_clamp_s
+#endif
+
+#if defined(_RIM_LIGHTING1_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_RL1 linear_repeat_s
+#elif defined(_RIM_LIGHTING1_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_RL1 linear_clamp_s
+#elif defined(_RIM_LIGHTING1_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_RL1 point_repeat_s
+#elif defined(_RIM_LIGHTING1_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_RL1 point_clamp_s
+#elif defined(_RIM_LIGHTING1_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_RL1 bilinear_repeat_s
+#elif defined(_RIM_LIGHTING1_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_RL1 bilinear_clamp_s
+#else
+#define GET_SAMPLER_RL1 linear_clamp_s
+#endif
+
+#if defined(_RIM_LIGHTING2_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_RL2 linear_repeat_s
+#elif defined(_RIM_LIGHTING2_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_RL2 linear_clamp_s
+#elif defined(_RIM_LIGHTING2_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_RL2 point_repeat_s
+#elif defined(_RIM_LIGHTING2_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_RL2 point_clamp_s
+#elif defined(_RIM_LIGHTING2_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_RL2 bilinear_repeat_s
+#elif defined(_RIM_LIGHTING2_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_RL2 bilinear_clamp_s
+#else
+#define GET_SAMPLER_RL2 linear_clamp_s
+#endif
+
+#if defined(_RIM_LIGHTING3_SAMPLER_LINEAR_REPEAT)
+#define GET_SAMPLER_RL3 linear_repeat_s
+#elif defined(_RIM_LIGHTING3_SAMPLER_LINEAR_CLAMP)
+#define GET_SAMPLER_RL3 linear_clamp_s
+#elif defined(_RIM_LIGHTING3_SAMPLER_POINT_REPEAT)
+#define GET_SAMPLER_RL3 point_repeat_s
+#elif defined(_RIM_LIGHTING3_SAMPLER_POINT_CLAMP)
+#define GET_SAMPLER_RL3 point_clamp_s
+#elif defined(_RIM_LIGHTING3_SAMPLER_BILINEAR_REPEAT)
+#define GET_SAMPLER_RL3 bilinear_repeat_s
+#elif defined(_RIM_LIGHTING3_SAMPLER_BILINEAR_CLAMP)
+#define GET_SAMPLER_RL3 bilinear_clamp_s
+#else
+#define GET_SAMPLER_RL3 linear_clamp_s
+#endif
+
+#endif  // __TEXTURE_MACROS_INC
+