| /* |
| * 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_gs_visitor.h |
| * |
| * Geometry-shader-specific code derived from the vec4_visitor class. |
| */ |
| |
| #ifndef BRW_VEC4_GS_VISITOR_H |
| #define BRW_VEC4_GS_VISITOR_H |
| |
| #include "brw_vec4.h" |
| |
| #ifdef __cplusplus |
| namespace brw { |
| |
| class vec4_gs_visitor : public vec4_visitor |
| { |
| public: |
| vec4_gs_visitor(const struct brw_compiler *compiler, |
| void *log_data, |
| struct brw_gs_compile *c, |
| struct brw_gs_prog_data *prog_data, |
| const nir_shader *shader, |
| void *mem_ctx, |
| bool no_spills, |
| int shader_time_index); |
| |
| virtual void nir_setup_inputs(); |
| virtual void nir_setup_system_value_intrinsic(nir_intrinsic_instr *instr); |
| |
| protected: |
| virtual dst_reg *make_reg_for_system_value(int location); |
| 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); |
| virtual void gs_emit_vertex(int stream_id); |
| virtual void gs_end_primitive(); |
| virtual void nir_emit_intrinsic(nir_intrinsic_instr *instr); |
| |
| protected: |
| int setup_varying_inputs(int payload_reg, int *attribute_map, |
| int attributes_per_reg); |
| void emit_control_data_bits(); |
| void set_stream_control_data_bits(unsigned stream_id); |
| |
| src_reg vertex_count; |
| src_reg control_data_bits; |
| const struct brw_gs_compile * const c; |
| struct brw_gs_prog_data * const gs_prog_data; |
| }; |
| |
| } /* namespace brw */ |
| #endif /* __cplusplus */ |
| |
| #endif /* BRW_VEC4_GS_VISITOR_H */ |