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Various changes for WebGPU and hardware instancing support

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This commit is contained in:
Wojtek Figat
2026-03-03 14:51:15 +01:00
parent 6891256afe
commit 6814a43418
8 changed files with 63 additions and 34 deletions
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15
Source/Engine/GraphicsDevice/WebGPU/GPUContextWebGPU.cpp
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@@ -319,9 +319,10 @@ void GPUContextWebGPU::BindVB(const Span<GPUBuffer*>& vertexBuffers, const uint3
for (int32 i = 0; i < vertexBuffers.Length(); i++)
{
auto vbWebGPU = (GPUBufferWebGPU*)vertexBuffers.Get()[i];
_vertexBuffers[i].Buffer = vbWebGPU ? vbWebGPU->Buffer : nullptr;
_vertexBuffers[i].Offset = vertexBuffersOffsets ? vertexBuffersOffsets[i] : 0;
_vertexBuffers[i].Size = vbWebGPU ? vbWebGPU->GetSize() : 0;
if (vbWebGPU)
_vertexBuffers[i] = { vbWebGPU->Buffer, vbWebGPU->GetSize(), vertexBuffersOffsets ? vertexBuffersOffsets[i] : 0 };
else
_vertexBuffers[i] = { _device->DefaultBuffer, 64, 0 }; // Fallback
}
}
@@ -969,7 +970,8 @@ void GPUContextWebGPU::FlushBindGroup()
// Build descriptors for the bind group
auto entriesCount = descriptors->DescriptorTypesCount;
_dynamicOffsets.Clear();
uint32 dynamicOffsets[4];
uint32 dynamicOffsetsCount = 0;
static_assert(ARRAY_COUNT(key.Entries) == SpirvShaderDescriptorInfo::MaxDescriptors, "Invalid size of bind group entries array.");
static_assert(ARRAY_COUNT(key.Versions) == SpirvShaderDescriptorInfo::MaxDescriptors, "Invalid size of bind group versions array.");
key.EntriesCount = entriesCount;
@@ -1060,7 +1062,7 @@ void GPUContextWebGPU::FlushBindGroup()
if (descriptor.DescriptorType == VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER)
entry.offset = uniform->Allocation.Offset;
else
_dynamicOffsets.Add(uniform->Allocation.Offset);
dynamicOffsets[dynamicOffsetsCount++] = uniform->Allocation.Offset;
}
else
LOG(Fatal, "Missing constant buffer at slot {}", descriptor.Slot);
@@ -1089,11 +1091,12 @@ void GPUContextWebGPU::FlushBindGroup()
LOG(Error, " > buffer: {}", (uint32)e.buffer);
}
}
ASSERT(dynamicOffsetsCount <= ARRAY_COUNT(dynamicOffsets));
#endif
// Bind group
WGPUBindGroup bindGroup = _pipelineState->GetBindGroup(key);
wgpuRenderPassEncoderSetBindGroup(_renderPass, groupIndex, bindGroup, _dynamicOffsets.Count(), _dynamicOffsets.Get());
wgpuRenderPassEncoderSetBindGroup(_renderPass, groupIndex, bindGroup, dynamicOffsetsCount, dynamicOffsets);
}
}