Add initial base implementation for WebGPU rendering backend

2026-02-23 11:49:45 +01:00
parent 4ca10c7869
commit 6081ed35bc
29 changed files with 3565 additions and 2 deletions
--- a/Source/Engine/GraphicsDevice/WebGPU/GPUSamplerWebGPU.cpp
+++ b/Source/Engine/GraphicsDevice/WebGPU/GPUSamplerWebGPU.cpp
@@ -0,0 +1,84 @@
+// Copyright (c) Wojciech Figat. All rights reserved.
+
+#if GRAPHICS_API_WEBGPU
+
+#include "GPUSamplerWebGPU.h"
+
+WGPUAddressMode ToAddressMode(GPUSamplerAddressMode value)
+{
+    switch (value)
+    {
+    case GPUSamplerAddressMode::Wrap:
+        return WGPUAddressMode_Repeat;
+    case GPUSamplerAddressMode::Clamp:
+        return WGPUAddressMode_ClampToEdge;
+    case GPUSamplerAddressMode::Mirror:
+        return WGPUAddressMode_MirrorRepeat;
+    default:
+        return WGPUAddressMode_Undefined;
+    }
+}
+
+WGPUCompareFunction ToCompareFunction(GPUSamplerCompareFunction value)
+{
+    switch (value)
+    {
+    case GPUSamplerCompareFunction::Never:
+        return WGPUCompareFunction_Never;
+    case GPUSamplerCompareFunction::Less:
+        return WGPUCompareFunction_Less;
+    default:
+        return WGPUCompareFunction_Undefined;
+    }
+}
+
+bool GPUSamplerWebGPU::OnInit()
+{
+    WGPUSamplerDescriptor samplerDesc = WGPU_SAMPLER_DESCRIPTOR_INIT;
+    samplerDesc.addressModeU = ToAddressMode(_desc.AddressU);
+    samplerDesc.addressModeV = ToAddressMode(_desc.AddressV);
+    samplerDesc.addressModeW = ToAddressMode(_desc.AddressW);
+    switch (_desc.Filter)
+    {
+    case GPUSamplerFilter::Point:
+        samplerDesc.magFilter = samplerDesc.magFilter = WGPUFilterMode_Nearest;
+        samplerDesc.mipmapFilter = WGPUMipmapFilterMode_Nearest;
+        break;
+    case GPUSamplerFilter::Bilinear:
+        samplerDesc.magFilter = samplerDesc.magFilter = WGPUFilterMode_Linear;
+        samplerDesc.mipmapFilter = WGPUMipmapFilterMode_Nearest;
+        break;
+    case GPUSamplerFilter::Trilinear:
+        samplerDesc.magFilter = samplerDesc.magFilter = WGPUFilterMode_Linear;
+        samplerDesc.mipmapFilter = WGPUMipmapFilterMode_Linear;
+        break;
+    case GPUSamplerFilter::Anisotropic:
+        samplerDesc.magFilter = samplerDesc.magFilter = WGPUFilterMode_Linear;
+        samplerDesc.mipmapFilter = WGPUMipmapFilterMode_Linear;
+        break;
+    }
+    samplerDesc.lodMinClamp = _desc.MinMipLevel;
+    samplerDesc.lodMaxClamp = _desc.MaxMipLevel;
+    samplerDesc.compare = ToCompareFunction(_desc.ComparisonFunction);
+    samplerDesc.maxAnisotropy = _desc.MaxAnisotropy;
+    Sampler = wgpuDeviceCreateSampler(_device->Device, &samplerDesc);
+    if (Sampler == nullptr)
+        return true;
+    _memoryUsage = 100;
+    
+    return false;
+}
+
+void GPUSamplerWebGPU::OnReleaseGPU()
+{
+    if (Sampler)
+    {
+        wgpuSamplerRelease(Sampler);
+        Sampler = nullptr;
+    }
+
+    // Base
+    GPUSampler::OnReleaseGPU();
+}
+
+#endif