58 lines
No EOL
2.4 KiB
C++
58 lines
No EOL
2.4 KiB
C++
/*
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Crafter®.Graphics
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Copyright (C) 2026 Catcrafts®
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catcrafts.net
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License version 3.0 as published by the Free Software Foundation;
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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module;
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#include "vulkan/vulkan.h"
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export module Crafter.Graphics:Mesh;
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import std;
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import Crafter.Math;
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import Crafter.Asset;
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import :VulkanBuffer;
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export namespace Crafter {
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class Mesh {
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public:
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VulkanBuffer<char, false> scratchBuffer;
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VulkanBuffer<char, false> blasBuffer;
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VulkanBuffer<Vector<float, 3, 3>, true> vertexBuffer;
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VulkanBuffer<std::uint32_t, true> indexBuffer;
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// Lives until the cmd buffer issued by the compressed Build path
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// completes execution. Kept as a member so the recorded
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// vkCmdDecompressMemoryEXT references valid memory until the queue
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// submit signals — caller must not re-Build or destroy the Mesh
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// before that submit's fence is signaled (same contract as the
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// existing uncompressed path).
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VulkanBuffer<std::byte, true> compressedStaging;
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VkAccelerationStructureGeometryTrianglesDataKHR blasData;
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VkAccelerationStructureGeometryKHR blas;
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VkAccelerationStructureKHR accelerationStructure;
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VkDeviceAddress blasAddr;
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bool opaque;
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void Build(std::span<Vector<float, 3, 3>> verticies, std::span<std::uint32_t> indicies, VkCommandBuffer cmd);
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// GPU path: decompresses vertex (region 0) and index (region 1) streams
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// from asset.blob into vertexBuffer / indexBuffer using
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// VK_EXT_memory_decompression. Falls back to CPU decode + the
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// uncompressed Build if Device::memoryDecompressionSupported is false.
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// Region 2 (data) is not consumed here — the caller decompresses it
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// into their own buffer if needed (or uses Compression::DecompressCPU).
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void Build(const ::Crafter::CompressedMeshAsset& asset, VkCommandBuffer cmd);
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};
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} |