1 /* 2 * Copyright 2010 Jerome Glisse <glisse@freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * on the rights to use, copy, modify, merge, publish, distribute, sub 8 * license, and/or sell copies of the Software, and to permit persons to whom 9 * the Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, 19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 21 * USE OR OTHER DEALINGS IN THE SOFTWARE. 22 */ 23 #ifndef R600_SHADER_H 24 #define R600_SHADER_H 25 26 #include "r600_asm.h" 27 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 /* Valid shader configurations: 34 * 35 * API shaders VS | TCS | TES | GS |pass| PS 36 * are compiled as: | | | |thru| 37 * | | | | | 38 * Only VS & PS: VS | -- | -- | -- | -- | PS 39 * With GS: ES | -- | -- | GS | VS | PS 40 * With Tessel.: LS | HS | VS | -- | -- | PS 41 * With both: LS | HS | ES | GS | VS | PS 42 */ 43 44 struct r600_shader_io { 45 unsigned name; 46 unsigned gpr; 47 unsigned done; 48 int sid; 49 int spi_sid; 50 unsigned interpolate; 51 unsigned ij_index; 52 unsigned interpolate_location; // TGSI_INTERPOLATE_LOC_CENTER, CENTROID, SAMPLE 53 unsigned lds_pos; /* for evergreen */ 54 unsigned back_color_input; 55 unsigned write_mask; 56 int ring_offset; 57 }; 58 59 struct r600_shader { 60 unsigned processor_type; 61 struct r600_bytecode bc; 62 unsigned ninput; 63 unsigned noutput; 64 unsigned nlds; 65 struct r600_shader_io input[64]; 66 struct r600_shader_io output[64]; 67 boolean uses_kill; 68 boolean fs_write_all; 69 boolean two_side; 70 /* Number of color outputs in the TGSI shader, 71 * sometimes it could be higher than nr_cbufs (bug?). 72 * Also with writes_all property on eg+ it will be set to max CB number */ 73 unsigned nr_ps_max_color_exports; 74 /* Real number of ps color exports compiled in the bytecode */ 75 unsigned nr_ps_color_exports; 76 /* bit n is set if the shader writes gl_ClipDistance[n] */ 77 unsigned clip_dist_write; 78 boolean vs_position_window_space; 79 /* flag is set if the shader writes VS_OUT_MISC_VEC (e.g. for PSIZE) */ 80 boolean vs_out_misc_write; 81 boolean vs_out_point_size; 82 boolean vs_out_layer; 83 boolean vs_out_viewport; 84 boolean vs_out_edgeflag; 85 boolean has_txq_cube_array_z_comp; 86 boolean uses_tex_buffers; 87 boolean gs_prim_id_input; 88 89 uint8_t ps_conservative_z; 90 91 /* Size in bytes of a data item in the ring(s) (single vertex data). 92 Stages with only one ring items 123 will be set to 0. */ 93 unsigned ring_item_sizes[4]; 94 95 unsigned indirect_files; 96 unsigned max_arrays; 97 unsigned num_arrays; 98 unsigned vs_as_es; 99 unsigned vs_as_ls; 100 unsigned vs_as_gs_a; 101 unsigned tes_as_es; 102 unsigned tcs_prim_mode; 103 unsigned ps_prim_id_input; 104 struct r600_shader_array * arrays; 105 106 boolean uses_doubles; 107 }; 108 109 union r600_shader_key { 110 struct { 111 unsigned nr_cbufs:4; 112 unsigned color_two_side:1; 113 unsigned alpha_to_one:1; 114 } ps; 115 struct { 116 unsigned prim_id_out:8; 117 unsigned as_es:1; /* export shader */ 118 unsigned as_ls:1; /* local shader */ 119 unsigned as_gs_a:1; 120 } vs; 121 struct { 122 unsigned as_es:1; 123 } tes; 124 struct { 125 unsigned prim_mode:3; 126 } tcs; 127 }; 128 129 struct r600_shader_array { 130 unsigned gpr_start; 131 unsigned gpr_count; 132 unsigned comp_mask; 133 }; 134 135 struct r600_pipe_shader { 136 struct r600_pipe_shader_selector *selector; 137 struct r600_pipe_shader *next_variant; 138 /* for GS - corresponding copy shader (installed as VS) */ 139 struct r600_pipe_shader *gs_copy_shader; 140 struct r600_shader shader; 141 struct r600_command_buffer command_buffer; /* register writes */ 142 struct r600_resource *bo; 143 unsigned sprite_coord_enable; 144 unsigned flatshade; 145 unsigned pa_cl_vs_out_cntl; 146 unsigned nr_ps_color_outputs; 147 union r600_shader_key key; 148 unsigned db_shader_control; 149 unsigned ps_depth_export; 150 unsigned enabled_stream_buffers_mask; 151 }; 152 153 /* return the table index 0-5 for TGSI_INTERPOLATE_LINEAR/PERSPECTIVE and 154 TGSI_INTERPOLATE_LOC_CENTER/SAMPLE/COUNT. Other input values return -1. */ 155 int eg_get_interpolator_index(unsigned interpolate, unsigned location); 156 157 int r600_get_lds_unique_index(unsigned semantic_name, unsigned index); 158 159 #ifdef __cplusplus 160 } // extern "C" 161 #endif 162 163 164 #endif 165