79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/*
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* Copyright © 2013 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file brw_vec4_gs_visitor.h
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*
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* Geometry-shader-specific code derived from the vec4_visitor class.
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*/
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#ifndef BRW_VEC4_GS_VISITOR_H
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#define BRW_VEC4_GS_VISITOR_H
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#include "brw_vec4.h"
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#define MAX_GS_INPUT_VERTICES 6
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#ifdef __cplusplus
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namespace brw {
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class vec4_gs_visitor : public vec4_visitor
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{
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public:
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vec4_gs_visitor(const struct brw_compiler *compiler,
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void *log_data,
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struct brw_gs_compile *c,
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struct brw_gs_prog_data *prog_data,
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const nir_shader *shader,
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void *mem_ctx,
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bool no_spills,
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bool debug_enabled);
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virtual void nir_setup_inputs();
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protected:
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virtual void setup_payload();
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virtual void emit_prolog();
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virtual void emit_thread_end();
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virtual void emit_urb_write_header(int mrf);
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virtual vec4_instruction *emit_urb_write_opcode(bool complete);
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virtual void gs_emit_vertex(int stream_id);
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virtual void gs_end_primitive();
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virtual void nir_emit_intrinsic(nir_intrinsic_instr *instr);
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protected:
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int setup_varying_inputs(int payload_reg, int attributes_per_reg);
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void emit_control_data_bits();
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void set_stream_control_data_bits(unsigned stream_id);
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src_reg vertex_count;
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src_reg control_data_bits;
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const struct brw_gs_compile * const c;
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struct brw_gs_prog_data * const gs_prog_data;
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};
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} /* namespace brw */
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#endif /* __cplusplus */
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#endif /* BRW_VEC4_GS_VISITOR_H */
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