+const unsigned *brw_vs_emit(struct brw_context *brw,
+ void *mem_ctx,
+ const struct brw_vs_prog_key *key,
+ struct brw_vs_prog_data *prog_data,
+ struct gl_vertex_program *vp,
+ struct gl_shader_program *shader_prog,
+ unsigned *program_size);
+void brw_vs_debug_recompile(struct brw_context *brw,
+ struct gl_shader_program *prog,
+ const struct brw_vs_prog_key *key);
+bool brw_vs_prog_data_compare(const void *a, const void *b);
+
+void
+brw_upload_vs_prog(struct brw_context *brw);
+
+bool
+brw_codegen_vs_prog(struct brw_context *brw,
+ struct gl_shader_program *prog,
+ struct brw_vertex_program *vp,
+ struct brw_vs_prog_key *key);
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+
+namespace brw {
+
+class vec4_vs_visitor : public vec4_visitor
+{
+public:
+ vec4_vs_visitor(const struct brw_compiler *compiler,
+ void *log_data,
+ const struct brw_vs_prog_key *key,
+ struct brw_vs_prog_data *vs_prog_data,
+ struct gl_vertex_program *vp,
+ struct gl_shader_program *prog,
+ void *mem_ctx,
+ int shader_time_index,
+ bool use_legacy_snorm_formula);
+
+protected:
+ virtual dst_reg *make_reg_for_system_value(int location,
+ const glsl_type *type);
+ virtual void setup_payload();
+ virtual void emit_prolog();
+ virtual void emit_program_code();
+ virtual void emit_thread_end();
+ virtual void emit_urb_write_header(int mrf);
+ virtual vec4_instruction *emit_urb_write_opcode(bool complete);
+
+private:
+ int setup_attributes(int payload_reg);
+ void setup_vp_regs();
+ dst_reg get_vp_dst_reg(const prog_dst_register &dst);
+ src_reg get_vp_src_reg(const prog_src_register &src);
+
+ const struct brw_vs_prog_key *const key;
+ struct brw_vs_prog_data * const vs_prog_data;
+ struct gl_vertex_program *const vp;
+ src_reg *vp_temp_regs;
+ src_reg vp_addr_reg;
+
+ bool use_legacy_snorm_formula;