/* * Copyright 2010 Jerome Glisse * SPDX-License-Identifier: MIT */ #ifndef R600_SHADER_COMMON_H #define R600_SHADER_COMMON_H #include "r600_asm.h" #include "compiler/shader_enums.h" #ifdef __cplusplus extern "C" { #endif /* Valid shader configurations: * * API shaders VS | TCS | TES | GS |pass| PS * are compiled as: | | | |thru| * | | | | | * Only VS & PS: VS | -- | -- | -- | -- | PS * With GS: ES | -- | -- | GS | VS | PS * With Tessel.: LS | HS | VS | -- | -- | PS * With both: LS | HS | ES | GS | VS | PS */ struct r600_shader_io { gl_varying_slot varying_slot; gl_system_value system_value; /* Input only */ gl_frag_result frag_result; unsigned gpr; int spi_sid; unsigned interpolate; unsigned ij_index; unsigned interpolate_location; // TGSI_INTERPOLATE_LOC_CENTER, CENTROID, SAMPLE unsigned lds_pos; /* for evergreen */ unsigned write_mask; int export_param; /* Output only */ int ring_offset; unsigned uses_interpolate_at_centroid; }; struct r600_shader_atomic { unsigned start, end; unsigned buffer_id; unsigned hw_idx; }; #define R600_SHADER_MAX_INPUTS (32 /* generic */ + 32 /* patch */ + 16 /* others */) #define R600_SHADER_MAX_OUTPUTS (32 /* generic */ + 32 /* patch */ + 16 /* others */) struct r600_shader { unsigned processor_type; struct r600_bytecode bc; unsigned ninput; unsigned noutput; unsigned nhwatomic; unsigned nlds; unsigned nsys_inputs; unsigned highest_export_param; struct r600_shader_io input[R600_SHADER_MAX_INPUTS]; struct r600_shader_io output[R600_SHADER_MAX_OUTPUTS]; struct r600_shader_atomic atomics[8]; unsigned nhwatomic_ranges; bool uses_kill; bool fs_write_all; bool two_side; bool needs_scratch_space; /* Real number of ps color exports compiled in the bytecode */ unsigned nr_ps_color_exports; unsigned ps_color_export_mask; unsigned ps_export_highest; /* bit n is set if the shader writes gl_ClipDistance[n] */ unsigned cc_dist_mask; unsigned clip_dist_write; unsigned cull_dist_write; bool vs_position_window_space; /* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */ bool vs_out_misc_write; bool vs_out_point_size; bool vs_out_layer; bool vs_out_viewport; bool vs_out_edgeflag; bool has_txq_cube_array_z_comp; bool uses_tex_buffers; bool gs_prim_id_input; bool gs_tri_strip_adj_fix; uint8_t ps_conservative_z; /* Size in bytes of a data item in the ring(s) (single vertex data). Stages with only one ring items 123 will be set to 0. */ unsigned ring_item_sizes[4]; unsigned indirect_files; unsigned max_arrays; unsigned num_arrays; unsigned vs_as_es; unsigned vs_as_ls; unsigned vs_as_gs_a; unsigned tes_as_es; unsigned tcs_prim_mode; unsigned num_loops; struct r600_shader_array * arrays; bool uses_doubles; bool uses_atomics; bool uses_images; bool uses_helper_invocation; bool uses_interpolate_at_sample; uint8_t atomic_base; uint8_t rat_base; uint8_t image_size_const_offset; bool disable_sb; }; union r600_shader_key { struct { unsigned nr_cbufs:4; unsigned first_atomic_counter:4; unsigned image_size_const_offset:5; unsigned color_two_side:1; unsigned alpha_to_one:1; unsigned apply_sample_id_mask:1; unsigned dual_source_blend:1; } ps; struct { unsigned first_atomic_counter:4; unsigned as_es:1; /* export shader */ unsigned as_ls:1; /* local shader */ unsigned as_gs_a:1; } vs; struct { unsigned first_atomic_counter:4; unsigned as_es:1; } tes; struct { unsigned first_atomic_counter:4; unsigned prim_mode:3; } tcs; struct { unsigned first_atomic_counter:4; unsigned tri_strip_adj_fix:1; } gs; }; struct r600_shader_array { unsigned gpr_start; unsigned gpr_count; unsigned comp_mask; }; #ifdef __cplusplus } // extern "C" #endif #endif