57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
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/*
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* Copyright 2011-2016 Branimir Karadzic. All rights reserved.
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* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
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*/
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#ifndef BGFX_TOPOLOGY_H_HEADER_GUARD
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#define BGFX_TOPOLOGY_H_HEADER_GUARD
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#include <bgfx/bgfx.h>
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namespace bgfx
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{
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/// Convert index buffer for use with different primitive topologies.
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///
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/// @param[in] _conversion Conversion type, see `TopologyConvert::Enum`.
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/// @param[in] _dst Destination index buffer. If this argument it NULL
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/// function will return number of indices after conversion.
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/// @param[in] _dstSize Destination index buffer in bytes. It must be
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/// large enough to contain output indices. If destination size is
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/// insufficient index buffer will be truncated.
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/// @param[in] _indices Source indices.
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/// @param[in] _numIndices Number of input indices.
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/// @param[in] _index32 Set to `true` if input indices are 32-bit.
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///
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/// @returns Number of output indices after conversion.
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///
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/// @attention C99 equivalent is `bgfx_topology_convert`.
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///
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uint32_t topologyConvert(
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TopologyConvert::Enum _conversion
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, void* _dst
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, uint32_t _dstSize
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, const void* _indices
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, uint32_t _numIndices
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, bool _index32
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, bx::AllocatorI* _allocator
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);
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///
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void topologySortTriList(
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TopologySort::Enum _sort
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, void* _dst
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, uint32_t _dstSize
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, const float _dir[3]
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, const float _pos[3]
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, const void* _vertices
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, uint32_t _stride
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, const void* _indices
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, uint32_t _numIndices
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, bool _index32
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, bx::AllocatorI* _allocator
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);
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} // namespace bgfx
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#endif // BGFX_TOPOLOGY_H_HEADER_GUARD
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