修改水

Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Texture.hlsl

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+// Crest Water System
+// Copyright © 2024 Wave Harmonic. All rights reserved.
+
+// The const keyword for PSSL solves the following:
+// > Shader error in '<Shader>': Program '<Program>', member function '<FunctionName>' not viable: 'this' argument has
+// > type '<Type> const', but function is not marked const
+// This appears to be PSSL only feature as the fix throws a compiler error elsewhere (comprehensive test not done). I
+// tried putting const at the beginning of the function signature which compiles but did not solve the problem on PSSL
+// so must be different.
+
+#ifndef CREST_TEXTURE_INCLUDED
+#define CREST_TEXTURE_INCLUDED
+
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Settings.Crest.hlsl"
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Macros.hlsl"
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/Globals.hlsl"
+#include "Packages/com.waveharmonic.crest/Runtime/Shaders/Library/InputsDriven.hlsl"
+
+#ifdef SHADER_API_PSSL
+#define m_ConstantReturn const
+#else
+#define m_ConstantReturn
+#endif
+
+m_CrestNameSpace
+
+struct TiledTexture
+{
+    Texture2D _texture;
+    SamplerState _sampler;
+    half _size;
+    half _scale;
+    half _speed;
+    float _texel;
+
+    static TiledTexture Make
+    (
+        in const Texture2D i_texture,
+        in const SamplerState i_sampler,
+        in const float4 i_size,
+        in const half i_scale,
+        in const half i_speed
+    )
+    {
+        TiledTexture tiledTexture;
+        tiledTexture._texture = i_texture;
+        tiledTexture._sampler = i_sampler;
+        tiledTexture._scale = i_scale;
+        tiledTexture._speed = i_speed;
+        // Safely assume a square texture.
+        tiledTexture._size = i_size.z;
+        tiledTexture._texel = i_size.x;
+        return tiledTexture;
+    }
+
+    half4 Sample(float2 uv) m_ConstantReturn
+    {
+        return SAMPLE_TEXTURE2D(_texture, _sampler, uv);
+    }
+
+    half4 SampleLevel(float2 uv, float lod) m_ConstantReturn
+    {
+        return SAMPLE_TEXTURE2D_LOD(_texture, _sampler, uv, lod);
+    }
+};
+
+m_CrestNameSpaceEnd
+
+#endif // CREST_TEXTURE_INCLUDED