diff options
Diffstat (limited to 'src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_assemble.cpp')
-rw-r--r-- | src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_assemble.cpp | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_assemble.cpp b/src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_assemble.cpp new file mode 100644 index 0000000000..1021a8a1bd --- /dev/null +++ b/src/gallium/state_trackers/d3d1x/d3d1xshader/src/dxbc_assemble.cpp @@ -0,0 +1,59 @@ +/************************************************************************** + * + * 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 <stdlib.h> +#include <string.h> +#include "dxbc.h" + +std::pair<void*, size_t> dxbc_assemble(struct dxbc_chunk_header** chunks, unsigned num_chunks) +{ + size_t data_size = 0; + for(unsigned i = 0; i < num_chunks; ++i) + data_size += sizeof(uint32_t) + sizeof(dxbc_chunk_header) + bswap_le32(chunks[i]->size); + + size_t total_size = sizeof(dxbc_container_header) + data_size; + dxbc_container_header* header = (dxbc_container_header*)malloc(total_size); + if(!header) + return std::make_pair((void*)0, 0); + + header->fourcc = bswap_le32(FOURCC_DXBC); + memset(header->unk, 0, sizeof(header->unk)); + header->one = bswap_le32(1); + header->total_size = bswap_le32(total_size); + header->chunk_count = num_chunks; + + uint32_t* chunk_offsets = (uint32_t*)(header + 1); + uint32_t off = sizeof(struct dxbc_container_header) + num_chunks * sizeof(uint32_t); + for(unsigned i = 0; i < num_chunks; ++i) + { + chunk_offsets[i] = bswap_le32(off); + unsigned chunk_full_size = sizeof(dxbc_chunk_header) + bswap_le32(chunks[i]->size); + memcpy((char*)header + off, chunks[i], chunk_full_size); + off += chunk_full_size; + } + + return std::make_pair((void*)header, total_size); +} |