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/**************************************************************************
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* Copyright 2010 Luca Barbieri
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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**************************************************************************/
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#include <d3d11shader.h>
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#include <d3dcommon.h>
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dxbc_container* dxbc_parse(const void* data, int size)
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std::auto_ptr<dxbc_container> container(new dxbc_container());
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container->data = data;
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dxbc_container_header* header = (dxbc_container_header*)data;
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uint32_t* chunk_offsets = (uint32_t*)(header + 1);
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if(bswap_le32(header->fourcc) != FOURCC_DXBC)
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unsigned num_chunks = bswap_le32(header->chunk_count);
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for(unsigned i = 0; i < num_chunks; ++i)
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unsigned offset = bswap_le32(chunk_offsets[i]);
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dxbc_chunk_header* chunk = (dxbc_chunk_header*)((char*)data + offset);
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unsigned fourcc = bswap_le32(chunk->fourcc);
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container->chunk_map[fourcc] = i;
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container->chunks.push_back(chunk);
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return container.release();
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dxbc_chunk_header* dxbc_find_chunk(const void* data, int size, unsigned fourcc)
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dxbc_container_header* header = (dxbc_container_header*)data;
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uint32_t* chunk_offsets = (uint32_t*)(header + 1);
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if(bswap_le32(header->fourcc) != FOURCC_DXBC)
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unsigned num_chunks = bswap_le32(header->chunk_count);
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for(unsigned i = 0; i < num_chunks; ++i)
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unsigned offset = bswap_le32(chunk_offsets[i]);
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dxbc_chunk_header* chunk = (dxbc_chunk_header*)((char*)data + offset);
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if(bswap_le32(chunk->fourcc) == fourcc)
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int dxbc_parse_signature(dxbc_chunk_signature* sig, D3D11_SIGNATURE_PARAMETER_DESC** params)
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unsigned count = bswap_le32(sig->count);
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*params = (D3D11_SIGNATURE_PARAMETER_DESC*)malloc(sizeof(D3D11_SIGNATURE_PARAMETER_DESC) * count);
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for (unsigned i = 0; i < count; ++i)
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D3D11_SIGNATURE_PARAMETER_DESC& param = (*params)[i];
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param.SemanticName = (char*)&sig->count + bswap_le32(sig->elements[i].name_offset);
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param.SemanticIndex = bswap_le32(sig->elements[i].semantic_index);
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param.SystemValueType = (D3D_NAME)bswap_le32(sig->elements[i].system_value_type);
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param.ComponentType = (D3D_REGISTER_COMPONENT_TYPE)bswap_le32(sig->elements[i].component_type);
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param.Mask = sig->elements[i].mask;
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param.ReadWriteMask = sig->elements[i].read_write_mask;
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param.Stream = sig->elements[i].stream;