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/*
* 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
* on the rights to use, copy, modify, merge, publish, distribute, sub
* license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE AUTHOR(S) AND/OR THEIR SUPPLIERS 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 AC_SHADER_ARGS_H
#define AC_SHADER_ARGS_H
#include <stdint.h>
#include <stdbool.h>
#define AC_MAX_INLINE_PUSH_CONSTS 8
enum ac_arg_regfile {
AC_ARG_SGPR,
AC_ARG_VGPR,
};
enum ac_arg_type {
AC_ARG_FLOAT,
AC_ARG_INT,
AC_ARG_CONST_PTR, /* Pointer to i8 array */
AC_ARG_CONST_FLOAT_PTR, /* Pointer to f32 array */
AC_ARG_CONST_PTR_PTR, /* Pointer to pointer to i8 array */
AC_ARG_CONST_DESC_PTR, /* Pointer to v4i32 array */
AC_ARG_CONST_IMAGE_PTR, /* Pointer to v8i32 array */
};
struct ac_arg {
uint8_t arg_index;
bool used;
};
#define AC_MAX_ARGS 128
struct ac_shader_args {
/* Info on how to declare arguments */
struct {
enum ac_arg_type type;
enum ac_arg_regfile file;
uint8_t offset;
uint8_t size;
bool skip;
} args[AC_MAX_ARGS];
uint8_t arg_count;
uint8_t sgpr_count;
uint8_t num_sgprs_used;
uint8_t num_vgprs_used;
struct ac_arg base_vertex;
struct ac_arg start_instance;
struct ac_arg draw_id;
struct ac_arg vertex_id;
struct ac_arg instance_id;
struct ac_arg tcs_patch_id;
struct ac_arg tcs_rel_ids;
struct ac_arg tes_patch_id;
struct ac_arg gs_prim_id;
struct ac_arg gs_invocation_id;
/* PS */
struct ac_arg frag_pos[4];
struct ac_arg front_face;
struct ac_arg ancillary;
struct ac_arg sample_coverage;
struct ac_arg prim_mask;
struct ac_arg persp_sample;
struct ac_arg persp_center;
struct ac_arg persp_centroid;
struct ac_arg pull_model;
struct ac_arg linear_sample;
struct ac_arg linear_center;
struct ac_arg linear_centroid;
/* CS */
struct ac_arg local_invocation_ids;
struct ac_arg num_work_groups;
struct ac_arg workgroup_ids[3];
struct ac_arg tg_size;
/* Vulkan only */
struct ac_arg push_constants;
struct ac_arg inline_push_consts[AC_MAX_INLINE_PUSH_CONSTS];
unsigned num_inline_push_consts;
unsigned base_inline_push_consts;
struct ac_arg view_index;
};
void ac_add_arg(struct ac_shader_args *info, enum ac_arg_regfile regfile,
unsigned registers, enum ac_arg_type type,
struct ac_arg *arg);
#endif
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