1 files changed, 112 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/d3d1x/d3d1xshader/include/dxbc.h b/src/gallium/state_trackers/d3d1x/d3d1xshader/include/dxbc.h
new file mode 100644
index 0000000000..5c7c87e5e8
--- /dev/null
+++ b/src/gallium/state_trackers/d3d1x/d3d1xshader/include/dxbc.h
@@ -0,0 +1,112 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+#ifndef DXBC_H_
+#define DXBC_H_
+
+#include <stdint.h>
+#include <vector>
+#include <map>
+#include <iostream>
+#include "le32.h"
+
+#define FOURCC(a, b, c, d) ((uint32_t)(uint8_t)(a) | ((uint32_t)(uint8_t)(b) << 8) | ((uint32_t)(uint8_t)(c) << 16) | ((uint32_t)(uint8_t)(d) << 24 ))
+#define FOURCC_DXBC FOURCC('D', 'X', 'B', 'C')
+#define FOURCC_RDEF FOURCC('R', 'D', 'E', 'F')
+#define FOURCC_ISGN FOURCC('I', 'S', 'G', 'N')
+#define FOURCC_OSGN FOURCC('O', 'S', 'G', 'N')
+#define FOURCC_SHDR FOURCC('S', 'H', 'D', 'R')
+#define FOURCC_SHEX FOURCC('S', 'H', 'E', 'X')
+#define FOURCC_STAT FOURCC('S', 'T', 'A', 'T')
+
+/* this is always little-endian! */
+struct dxbc_chunk_header
+{
+	unsigned fourcc;
+	unsigned size;
+};
+
+/* this is always little-endian! */
+struct dxbc_chunk_signature : public dxbc_chunk_header
+{
+	uint32_t count;
+	uint32_t unk;
+	struct
+	{
+		uint32_t name_offset;
+		uint32_t semantic_index;
+		uint32_t system_value_type;
+		uint32_t component_type;
+		uint32_t register_num;
+		uint8_t mask;
+		uint8_t read_write_mask;
+		uint8_t stream; /* TODO: guess! */
+		uint8_t unused;
+	} elements[];
+};
+
+struct dxbc_container
+{
+	const void* data;
+	std::vector<dxbc_chunk_header*> chunks;
+	std::map<unsigned, unsigned> chunk_map;
+};
+
+struct dxbc_container_header
+{
+	unsigned fourcc;
+	uint32_t unk[4];
+	uint32_t one;
+	uint32_t total_size;
+	uint32_t chunk_count;
+};
+
+dxbc_container* dxbc_parse(const void* data, int size);
+std::ostream& operator <<(std::ostream& out, const dxbc_container& container);
+
+dxbc_chunk_header* dxbc_find_chunk(const void* data, int size, unsigned fourcc);
+
+static inline dxbc_chunk_header* dxbc_find_shader_bytecode(const void* data, int size)
+{
+	dxbc_chunk_header* chunk;
+	chunk = dxbc_find_chunk(data, size, FOURCC_SHDR);
+	if(!chunk)
+		chunk = dxbc_find_chunk(data, size, FOURCC_SHEX);
+	return chunk;
+}
+
+static inline dxbc_chunk_signature* dxbc_find_signature(const void* data, int size, bool output)
+{
+	return (dxbc_chunk_signature*)dxbc_find_chunk(data, size, output ? FOURCC_OSGN : FOURCC_ISGN);
+}
+
+struct _D3D11_SIGNATURE_PARAMETER_DESC;
+typedef struct _D3D11_SIGNATURE_PARAMETER_DESC D3D11_SIGNATURE_PARAMETER_DESC;
+int dxbc_parse_signature(dxbc_chunk_signature* sig, D3D11_SIGNATURE_PARAMETER_DESC** params);
+
+std::pair<void*, size_t> dxbc_assemble(struct dxbc_chunk_header** chunks, unsigned num_chunks);
+
+#endif /* DXBC_H_ */