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Add cubemap and texture arrays copy/update in WebGPU

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This commit is contained in:
Wojtek Figat
2026-02-26 13:27:35 +01:00
parent 239ceb75a9
commit f6888b099e
1 changed files with 6 additions and 4 deletions
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10
Source/Engine/GraphicsDevice/WebGPU/GPUContextWebGPU.cpp
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@@ -548,7 +548,6 @@ void GPUContextWebGPU::UpdateTexture(GPUTexture* texture, int32 arrayIndex, int3
ASSERT(texture && texture->IsAllocated() && data);
auto textureWebGPU = (GPUTextureWebGPU*)texture;
ASSERT_LOW_LAYER(textureWebGPU->Texture && wgpuTextureGetUsage(textureWebGPU->Texture) & WGPUTextureUsage_CopyDst);
ASSERT(!texture->IsVolume()); // TODO: impl uploading volume textures (handle write size properly)
int32 mipWidth, mipHeight, mipDepth;
texture->GetMipSize(mipIndex, mipWidth, mipHeight, mipDepth);
@@ -556,11 +555,12 @@ void GPUContextWebGPU::UpdateTexture(GPUTexture* texture, int32 arrayIndex, int3
WGPUTexelCopyTextureInfo copyInfo = WGPU_TEXEL_COPY_TEXTURE_INFO_INIT;
copyInfo.texture = textureWebGPU->Texture;
copyInfo.mipLevel = mipIndex;
copyInfo.origin.z = arrayIndex;
copyInfo.aspect = WGPUTextureAspect_All;
WGPUTexelCopyBufferLayout dataLayout = WGPU_TEXEL_COPY_BUFFER_LAYOUT_INIT;
dataLayout.bytesPerRow = rowPitch;
dataLayout.rowsPerImage = mipHeight;
WGPUExtent3D writeSize = { (uint32_t)mipWidth, (uint32_t)mipHeight, 1 };
WGPUExtent3D writeSize = { (uint32_t)mipWidth, (uint32_t)mipHeight, (uint32_t)mipDepth };
wgpuQueueWriteTexture(_device->Queue, &copyInfo, data, slicePitch, &dataLayout, &writeSize);
}
@@ -572,9 +572,10 @@ void GPUContextWebGPU::CopyTexture(GPUTexture* dstResource, uint32 dstSubresourc
ASSERT_LOW_LAYER(dstTextureWebGPU->Texture && wgpuTextureGetUsage(dstTextureWebGPU->Texture) & WGPUTextureUsage_CopyDst);
ASSERT_LOW_LAYER(srcTextureWebGPU->Texture && wgpuTextureGetUsage(srcTextureWebGPU->Texture) & WGPUTextureUsage_CopySrc);
// TODO: handle array/depth slices
const int32 srcMipIndex = srcSubresource % srcTextureWebGPU->MipLevels();
const int32 dstMipIndex = dstSubresource % srcTextureWebGPU->MipLevels();
const int32 srcArrayIndex = srcSubresource / srcTextureWebGPU->ArraySize();
const int32 dstArrayIndex = srcSubresource / srcTextureWebGPU->ArraySize();
int32 srcMipWidth, srcMipHeight, srcMipDepth;
srcTextureWebGPU->GetMipSize(srcMipIndex, srcMipWidth, srcMipHeight, srcMipDepth);
@@ -582,11 +583,12 @@ void GPUContextWebGPU::CopyTexture(GPUTexture* dstResource, uint32 dstSubresourc
WGPUTexelCopyTextureInfo srcInfo = WGPU_TEXEL_COPY_TEXTURE_INFO_INIT;
srcInfo.texture = srcTextureWebGPU->Texture;
srcInfo.mipLevel = srcMipIndex;
srcInfo.origin.z = srcArrayIndex;
srcInfo.aspect = WGPUTextureAspect_All;
WGPUTexelCopyTextureInfo dstInfo = WGPU_TEXEL_COPY_TEXTURE_INFO_INIT;
dstInfo.texture = dstTextureWebGPU->Texture;
dstInfo.mipLevel = dstMipIndex;
dstInfo.origin = { dstX, dstY, dstZ };
dstInfo.origin = { dstX, dstY, dstZ + dstArrayIndex };
dstInfo.aspect = WGPUTextureAspect_All;
WGPUExtent3D copySize = { (uint32_t)srcMipWidth, (uint32_t)srcMipHeight, (uint32_t)srcMipDepth };
wgpuCommandEncoderCopyTextureToTexture(Encoder, &srcInfo, &dstInfo, &copySize);