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/*
* Copyright 2017 Advanced Micro Devices, Inc.
*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR 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 AC_SHADER_ABI_H
#define AC_SHADER_ABI_H
#include <llvm-c/Core.h>
/* Document the shader ABI during compilation. This is what allows radeonsi and
* radv to share a compiler backend.
*/
struct ac_shader_abi {
enum chip_class chip_class;
LLVMValueRef base_vertex;
LLVMValueRef start_instance;
LLVMValueRef draw_id;
LLVMValueRef vertex_id;
LLVMValueRef instance_id;
/* For VS and PS: pre-loaded shader inputs.
*
* Currently only used for NIR shaders; indexed by variables'
* driver_location.
*/
LLVMValueRef *inputs;
void (*emit_outputs)(struct ac_shader_abi *abi,
unsigned max_outputs,
LLVMValueRef *addrs);
LLVMValueRef (*load_ubo)(struct ac_shader_abi *abi, LLVMValueRef index);
};
#endif /* AC_SHADER_ABI_H */
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