| /* |
| * Copyright © 2014 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. |
| * |
| */ |
| |
| #ifndef GEN6_GS_VISITOR_H |
| #define GEN6_GS_VISITOR_H |
| |
| #include "brw_vec4.h" |
| #include "brw_vec4_gs_visitor.h" |
| |
| #ifdef __cplusplus |
| |
| namespace brw { |
| |
| class gen6_gs_visitor : public vec4_gs_visitor |
| { |
| public: |
| gen6_gs_visitor(const struct brw_compiler *comp, |
| void *log_data, |
| struct brw_gs_compile *c, |
| struct brw_gs_prog_data *prog_data, |
| struct gl_program *prog, |
| const nir_shader *shader, |
| void *mem_ctx, |
| bool no_spills, |
| int shader_time_index) : |
| vec4_gs_visitor(comp, log_data, c, prog_data, shader, mem_ctx, no_spills, |
| shader_time_index), |
| prog(prog) |
| { |
| } |
| |
| protected: |
| virtual void emit_prolog(); |
| virtual void emit_thread_end(); |
| virtual void gs_emit_vertex(int stream_id); |
| virtual void gs_end_primitive(); |
| virtual void emit_urb_write_header(int mrf); |
| virtual void emit_urb_write_opcode(bool complete, |
| int base_mrf, |
| int last_mrf, |
| int urb_offset); |
| virtual void setup_payload(); |
| |
| private: |
| void xfb_write(); |
| void xfb_program(unsigned vertex, unsigned num_verts); |
| void xfb_setup(); |
| int get_vertex_output_offset_for_varying(int vertex, int varying); |
| |
| const struct gl_program *prog; |
| |
| src_reg vertex_output; |
| src_reg vertex_output_offset; |
| src_reg temp; |
| src_reg first_vertex; |
| src_reg prim_count; |
| src_reg primitive_id; |
| |
| /* Transform Feedback members */ |
| src_reg sol_prim_written; |
| src_reg svbi; |
| src_reg max_svbi; |
| src_reg destination_indices; |
| }; |
| |
| } /* namespace brw */ |
| |
| #endif /* __cplusplus */ |
| |
| #endif /* GEN6_GS_VISITOR_H */ |