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/*
* Copyright © 2013 Intel Corporation
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
/**
* \file brw_vec4_tes.h
*
* The vec4 mode tessellation evaluation shader compiler backend.
*/
#ifndef BRW_VEC4_TES_H
#define BRW_VEC4_TES_H
#include "brw_vec4.h"
#ifdef __cplusplus
namespace brw {
class vec4_tes_visitor : public vec4_visitor
{
public:
vec4_tes_visitor(const struct brw_compiler *compiler,
void *log_data,
const struct brw_tes_prog_key *key,
struct brw_tes_prog_data *prog_data,
const nir_shader *nir,
void *mem_ctx,
int shader_time_index);
protected:
virtual dst_reg *make_reg_for_system_value(int location);
virtual void nir_setup_system_value_intrinsic(nir_intrinsic_instr *instr);
virtual void nir_emit_intrinsic(nir_intrinsic_instr *instr);
virtual void setup_payload();
virtual void emit_prolog();
virtual void emit_thread_end();
virtual void emit_urb_write_header(int mrf);
virtual vec4_instruction *emit_urb_write_opcode(bool complete);
private:
src_reg input_read_header;
};
} /* namespace brw */
#endif /* __cplusplus */
#endif /* BRW_VEC4_TES_H */
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