2 * Copyright 2019 Valve Corporation
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9 * the Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
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24 #ifndef AC_SHADER_ARGS_H
25 #define AC_SHADER_ARGS_H
30 /* Maximum dwords of inline push constants when the indirect path is still used */
31 #define AC_MAX_INLINE_PUSH_CONSTS_WITH_INDIRECT 8
32 /* Maximum dwords of inline push constants when the indirect path is not used */
33 #define AC_MAX_INLINE_PUSH_CONSTS 32
45 AC_ARG_CONST_PTR, /* Pointer to i8 array */
46 AC_ARG_CONST_FLOAT_PTR, /* Pointer to f32 array */
47 AC_ARG_CONST_PTR_PTR, /* Pointer to pointer to i8 array */
48 AC_ARG_CONST_DESC_PTR, /* Pointer to v4i32 array */
49 AC_ARG_CONST_IMAGE_PTR, /* Pointer to v8i32 array */
57 #define AC_MAX_ARGS 384 /* including all VS->TCS IO */
59 struct ac_shader_args {
60 /* Info on how to declare arguments */
62 enum ac_arg_type type;
63 enum ac_arg_regfile file;
70 uint16_t num_sgprs_used;
71 uint16_t num_vgprs_used;
73 uint16_t return_count;
74 uint16_t num_sgprs_returned;
75 uint16_t num_vgprs_returned;
78 struct ac_arg base_vertex;
79 struct ac_arg start_instance;
80 struct ac_arg draw_id;
81 struct ac_arg vertex_buffers;
82 struct ac_arg vertex_id;
83 struct ac_arg vs_rel_patch_id;
84 struct ac_arg vs_prim_id;
85 struct ac_arg instance_id;
88 struct ac_arg tess_offchip_offset;
89 struct ac_arg merged_wave_info;
91 * - bits 0..11: ordered_wave_id
92 * - bits 12..20: number of vertices in group
93 * - bits 22..30: number of primitives in group
95 struct ac_arg gs_tg_info;
96 struct ac_arg scratch_offset;
99 struct ac_arg tcs_factor_offset;
100 struct ac_arg tcs_wave_id; /* gfx11+ */
101 struct ac_arg tcs_patch_id;
102 struct ac_arg tcs_rel_ids;
107 struct ac_arg tes_rel_patch_id;
108 struct ac_arg tes_patch_id;
111 struct ac_arg es2gs_offset; /* separate legacy ES */
112 struct ac_arg gs2vs_offset; /* legacy GS */
113 struct ac_arg gs_wave_id; /* legacy GS */
114 struct ac_arg gs_attr_offset; /* gfx11+: attribute ring offset in 512B increments */
115 struct ac_arg gs_vtx_offset[6]; /* GFX6-8: [0-5], GFX9+: [0-2] packed */
116 struct ac_arg gs_prim_id;
117 struct ac_arg gs_invocation_id;
120 struct ac_arg streamout_config;
121 struct ac_arg streamout_write_index;
122 struct ac_arg streamout_offset[4];
125 struct ac_arg frag_pos[4];
126 struct ac_arg front_face;
127 struct ac_arg ancillary;
128 struct ac_arg sample_coverage;
129 struct ac_arg prim_mask;
130 struct ac_arg persp_sample;
131 struct ac_arg persp_center;
132 struct ac_arg persp_centroid;
133 struct ac_arg pull_model;
134 struct ac_arg linear_sample;
135 struct ac_arg linear_center;
136 struct ac_arg linear_centroid;
139 struct ac_arg local_invocation_ids;
140 struct ac_arg num_work_groups;
141 struct ac_arg workgroup_ids[3];
142 struct ac_arg tg_size;
144 /* Mesh and task shaders */
145 struct ac_arg task_ring_entry; /* Pointer into the draw and payload rings. */
148 struct ac_arg push_constants;
149 struct ac_arg inline_push_consts[AC_MAX_INLINE_PUSH_CONSTS];
150 uint64_t inline_push_const_mask;
151 struct ac_arg view_index;
152 struct ac_arg sbt_descriptors;
153 struct ac_arg ray_launch_size;
154 struct ac_arg force_vrs_rates;
157 void ac_add_arg(struct ac_shader_args *info, enum ac_arg_regfile regfile, unsigned registers,
158 enum ac_arg_type type, struct ac_arg *arg);
159 void ac_add_return(struct ac_shader_args *info, enum ac_arg_regfile regfile);