src/gallium/drivers/r600/sfn/sfn_shader_tess_eval.h

   1 #ifndef TEVALSHADERFROMNIR_H
   2 #define TEVALSHADERFROMNIR_H
   3
   4 #include "sfn_shader_base.h"
   5 #include "sfn_vertexstageexport.h"
   6
   7 namespace r600 {
   8
   9 class TEvalShaderFromNir : public VertexStage
  10 {
  11 public:
  12         TEvalShaderFromNir(r600_pipe_shader *sh, r600_pipe_shader_selector& sel,
  13                            const r600_shader_key& key, r600_shader *gs_shader,
  14                            enum chip_class chip_class);
  15         bool scan_sysvalue_access(nir_instr *instr) override;
  16         PValue primitive_id() override {return m_primitive_id;}
  17      private:
  18         bool do_allocate_reserved_registers() override;
  19         bool emit_intrinsic_instruction_override(nir_intrinsic_instr* instr) override;
  20         bool emit_load_tess_coord(nir_intrinsic_instr* instr);
  21         bool load_tess_z_coord(nir_intrinsic_instr* instr);
  22
  23         bool do_process_inputs(nir_variable *input) override;
  24         bool do_process_outputs(nir_variable *output) override;
  25         bool do_emit_load_deref(const nir_variable *in_var, nir_intrinsic_instr* instr) override { return true;}
  26         bool do_emit_store_deref(const nir_variable *out_var, nir_intrinsic_instr* instr) override;
  27         void do_finalize() override;
  28
  29
  30         unsigned m_reserved_registers;
  31         PValue m_tess_coord[3];
  32         PValue m_rel_patch_id;
  33         PValue m_primitive_id;
  34
  35         std::unique_ptr<VertexStageExportBase> m_export_processor;
  36         const r600_shader_key& m_key;
  37 };
  38
  39
  40 }
  41
  42 #endif // TEVALSHADERFROMNIR_H