Merge pull request #1211 from Unity-Technologies/Fix-Wind-Settings-sampler

fix texture/sampler naming scheme for WIND_SETTINGS_Tex*

ScriptableRenderPipeline/Core/CoreRP/ShaderLibrary/Wind.hlsl

 // TODO: no global variable or resource declarations in the Shader Library. Functions and macros only!
-TEXTURE2D(WIND_SETTINGS_TexNoise);
+TEXTURE2D(_WIND_SETTINGS_TexNoise);
-TEXTURE2D(WIND_SETTINGS_TexGust);
+TEXTURE2D(_WIND_SETTINGS_TexGust);
 SAMPLER(sampler_WIND_SETTINGS_TexGust);
 
 float4  WIND_SETTINGS_WorldDirectionAndSpeed;
 
 float3 texNoise(float3 worldPos, float LOD)
 {
-    return SAMPLE_TEXTURE2D_LOD(WIND_SETTINGS_TexNoise, sampler_WIND_SETTINGS_TexNoise, worldPos.xz, LOD).xyz -0.5;
+    return SAMPLE_TEXTURE2D_LOD(_WIND_SETTINGS_TexNoise, sampler_WIND_SETTINGS_TexNoise, worldPos.xz, LOD).xyz -0.5;
-    return SAMPLE_TEXTURE2D_LOD(WIND_SETTINGS_TexGust, sampler_WIND_SETTINGS_TexGust, worldPos.xz, LOD).x;
+    return SAMPLE_TEXTURE2D_LOD(_WIND_SETTINGS_TexGust, sampler_WIND_SETTINGS_TexGust, worldPos.xz, LOD).x;
 }
 
 

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Wind/ShaderWindSettings.cs

 
         void ApplySettings()
         {
-            Shader.SetGlobalTexture("WIND_SETTINGS_TexNoise", NoiseTexture);
-            Shader.SetGlobalTexture("WIND_SETTINGS_TexGust", GustMaskTexture);
+            Shader.SetGlobalTexture("_WIND_SETTINGS_TexNoise", NoiseTexture);
+            Shader.SetGlobalTexture("_WIND_SETTINGS_TexGust", GustMaskTexture);
             Shader.SetGlobalVector("WIND_SETTINGS_WorldDirectionAndSpeed", GetDirectionAndSpeed());
             Shader.SetGlobalFloat("WIND_SETTINGS_FlexNoiseScale", 1.0f / Mathf.Max(0.01f, FlexNoiseWorldSize));
             Shader.SetGlobalFloat("WIND_SETTINGS_ShiverNoiseScale", 1.0f / Mathf.Max(0.01f, ShiverNoiseWorldSize));