/*
 * Copyright © 2019 Valve 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 RADV_SHADER_ARGS_H
#define RADV_SHADER_ARGS_H

#include "compiler/shader_enums.h"
#include "util/list.h"
#include "util/macros.h"
#include "ac_shader_args.h"
#include "amd_family.h"
#include "radv_constants.h"
#include "radv_shader.h"

struct radv_shader_args {
   struct ac_shader_args ac;

   struct ac_arg descriptor_sets[MAX_SETS];
   /* User data 2/3. same as ring_offsets but for task shaders. */
   struct ac_arg task_ring_offsets;

   /* Streamout */
   struct ac_arg streamout_buffers;

   /* Emulated query */
   struct ac_arg shader_query_state;

   /* NGG */
   struct ac_arg ngg_provoking_vtx;

   /* NGG GS */
   struct ac_arg ngg_culling_settings;
   struct ac_arg ngg_viewport_scale[2];
   struct ac_arg ngg_viewport_translate[2];

   /* Fragment shaders */
   struct ac_arg ps_epilog_pc;
   struct ac_arg ps_state;

   struct ac_arg prolog_inputs;
   struct ac_arg vs_inputs[MAX_VERTEX_ATTRIBS];

   /* PS epilogs */
   struct ac_arg colors[MAX_RTS];
   struct ac_arg depth;
   struct ac_arg stencil;
   struct ac_arg sample_mask;

   /* TCS */
   /* # [0:5] = the number of patch control points
    * # [6:11] = the number of tessellation patches
    * # [12:19] = the LS-HS vertex stride in DWORDS
    */
   struct ac_arg tcs_offchip_layout;
   struct ac_arg tcs_epilog_pc;

   /* TCS epilogs */
   struct ac_arg patch_base;
   struct ac_arg tcs_out_current_patch_data_offset;
   struct ac_arg invocation_id;
   struct ac_arg rel_patch_id;

   /* TES */
   /* # [0:7] = the number of tessellation patches
    * # [8:15] = the number of TCS vertices output
    */
   struct ac_arg tes_state;

   /* NGG VS streamout */
   struct ac_arg num_verts_per_prim;

   /* For non-monolithic VS or TES on GFX9+. */
   struct ac_arg next_stage_pc;

   struct radv_userdata_locations user_sgprs_locs;
   unsigned num_user_sgprs;

   bool explicit_scratch_args;
   bool remap_spi_ps_input;
   bool load_grid_size_from_user_sgpr;
};

static inline struct radv_shader_args *
radv_shader_args_from_ac(struct ac_shader_args *args)
{
   return container_of(args, struct radv_shader_args, ac);
}

struct radv_graphics_state_key;
struct radv_shader_info;

void radv_declare_shader_args(const struct radv_device *device, const struct radv_graphics_state_key *gfx_state,
                              const struct radv_shader_info *info, gl_shader_stage stage,
                              gl_shader_stage previous_stage, struct radv_shader_args *args);

void radv_declare_ps_epilog_args(const struct radv_device *device, const struct radv_ps_epilog_key *key,
                                 struct radv_shader_args *args);

void radv_declare_tcs_epilog_args(const struct radv_device *device, const struct radv_tcs_epilog_key *key,
                                  struct radv_shader_args *args);

void radv_declare_rt_shader_args(enum amd_gfx_level gfx_level, struct radv_shader_args *args);
#endif
