diff options
Diffstat (limited to 'src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_parse.cpp')
-rw-r--r-- | src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_parse.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_parse.cpp b/src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_parse.cpp new file mode 100644 index 0000000000..4903e2c3b9 --- /dev/null +++ b/src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_parse.cpp @@ -0,0 +1,86 @@ +/************************************************************************** + * + * Copyright 2010 Luca Barbieri + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial + * portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE + * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION + * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#include <memory> +#include "dxbc.h" +#include <d3d11shader.h> +#include <d3dcommon.h> + +dxbc_container* dxbc_parse(const void* data, int size) +{ + std::auto_ptr<dxbc_container> container(new dxbc_container()); + container->data = data; + dxbc_container_header* header = (dxbc_container_header*)data; + uint32_t* chunk_offsets = (uint32_t*)(header + 1); + if(bswap_le32(header->fourcc) != FOURCC_DXBC) + return 0; + unsigned num_chunks = bswap_le32(header->chunk_count); + for(unsigned i = 0; i < num_chunks; ++i) + { + unsigned offset = bswap_le32(chunk_offsets[i]); + dxbc_chunk_header* chunk = (dxbc_chunk_header*)((char*)data + offset); + unsigned fourcc = bswap_le32(chunk->fourcc); + container->chunk_map[fourcc] = i; + container->chunks.push_back(chunk); + } + return container.release(); +} + +dxbc_chunk_header* dxbc_find_chunk(const void* data, int size, unsigned fourcc) +{ + dxbc_container_header* header = (dxbc_container_header*)data; + uint32_t* chunk_offsets = (uint32_t*)(header + 1); + if(bswap_le32(header->fourcc) != FOURCC_DXBC) + return 0; + unsigned num_chunks = bswap_le32(header->chunk_count); + for(unsigned i = 0; i < num_chunks; ++i) + { + unsigned offset = bswap_le32(chunk_offsets[i]); + dxbc_chunk_header* chunk = (dxbc_chunk_header*)((char*)data + offset); + if(bswap_le32(chunk->fourcc) == fourcc) + return chunk; + } + return 0; +} + +int dxbc_parse_signature(dxbc_chunk_signature* sig, D3D11_SIGNATURE_PARAMETER_DESC** params) +{ + unsigned count = bswap_le32(sig->count); + *params = (D3D11_SIGNATURE_PARAMETER_DESC*)malloc(sizeof(D3D11_SIGNATURE_PARAMETER_DESC) * count); + + for (unsigned i = 0; i < count; ++i) + { + D3D11_SIGNATURE_PARAMETER_DESC& param = (*params)[i]; + param.SemanticName = (char*)&sig->count + bswap_le32(sig->elements[i].name_offset); + param.SemanticIndex = bswap_le32(sig->elements[i].semantic_index); + param.SystemValueType = (D3D_NAME)bswap_le32(sig->elements[i].system_value_type); + param.ComponentType = (D3D_REGISTER_COMPONENT_TYPE)bswap_le32(sig->elements[i].component_type); + param.Mask = sig->elements[i].mask; + param.ReadWriteMask = sig->elements[i].read_write_mask; + param.Stream = sig->elements[i].stream; + } + return count; +} |