79 lines
2.9 KiB
C#
79 lines
2.9 KiB
C#
//Stylized Water 2
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//Staggart Creations (http://staggart.xyz)
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//Copyright protected under Unity Asset Store EULA
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using UnityEngine;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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namespace StylizedWater2.DynamicEffects
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{
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internal class DisplacementToNormalsPass : ScriptableRenderPass
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{
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private const string profilerTag = "Water Dynamic Effects: Normals";
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private static readonly ProfilingSampler profilerSampler = new ProfilingSampler(profilerTag);
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private RTHandle renderTarget;
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private Material Material;
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private int resolution;
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private int m_resolution;
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private bool mipmaps;
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private bool m_mipmaps;
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private static readonly string WaterDynamicEffectsNormalsName = "_WaterDynamicEffectsNormals";
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private static readonly int _WaterDynamicEffectsNormalsID = Shader.PropertyToID(WaterDynamicEffectsNormalsName);
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private static readonly int _TexelSizeID = Shader.PropertyToID("_TexelSize");
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public void Setup(int targetResolution, bool mipmapsEnabled, Shader shader)
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{
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this.resolution = targetResolution;
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this.mipmaps = mipmapsEnabled;
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if (!Material && shader) Material = CoreUtils.CreateEngineMaterial(shader);
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}
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public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
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{
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if (resolution != m_resolution || mipmaps != m_mipmaps || renderTarget == null)
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{
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RTHandles.Release(renderTarget);
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renderTarget = RTHandles.Alloc(resolution, resolution, 1, DepthBits.None,
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UnityEngine.Experimental.Rendering.GraphicsFormat.R8G8_UNorm,
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filterMode: FilterMode.Bilinear,
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wrapMode: TextureWrapMode.Clamp,
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useMipMap: mipmaps,
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autoGenerateMips: true,
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name: WaterDynamicEffectsNormalsName);
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}
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m_resolution = resolution;
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m_mipmaps = mipmaps;
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cmd.SetGlobalTexture(_WaterDynamicEffectsNormalsID, renderTarget);
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ConfigureTarget(renderTarget);
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ConfigureClear(ClearFlag.Color, Color.clear);
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}
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public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
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{
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CommandBuffer cmd = CommandBufferPool.Get();
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using (new ProfilingScope(cmd, profilerSampler))
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{
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cmd.SetGlobalFloat(_TexelSizeID, 1f / resolution);
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cmd.Blit(null, renderTarget, Material);
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}
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context.ExecuteCommandBuffer(cmd);
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CommandBufferPool.Release(cmd);
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}
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public void Dispose()
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{
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RTHandles.Release(renderTarget);
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UnityEngine.Object.DestroyImmediate(Material);
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}
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}
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} |