1 /************************************************************************** 2 * 3 * Copyright 2008 VMware, Inc. 4 * All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28 #ifndef TGSI_SCAN_H 29 #define TGSI_SCAN_H 30 31 32 #include "pipe/p_compiler.h" 33 #include "pipe/p_state.h" 34 #include "pipe/p_shader_tokens.h" 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /** 41 * Shader summary info 42 */ 43 struct tgsi_shader_info 44 { 45 uint num_tokens; 46 47 ubyte num_inputs; 48 ubyte num_outputs; 49 ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; /**< TGSI_SEMANTIC_x */ 50 ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; 51 ubyte input_interpolate[PIPE_MAX_SHADER_INPUTS]; 52 ubyte input_interpolate_loc[PIPE_MAX_SHADER_INPUTS]; 53 ubyte input_usage_mask[PIPE_MAX_SHADER_INPUTS]; 54 ubyte input_cylindrical_wrap[PIPE_MAX_SHADER_INPUTS]; 55 ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; /**< TGSI_SEMANTIC_x */ 56 ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; 57 ubyte output_usagemask[PIPE_MAX_SHADER_OUTPUTS]; 58 ubyte output_streams[PIPE_MAX_SHADER_OUTPUTS]; 59 60 ubyte num_system_values; 61 ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS]; 62 63 ubyte processor; 64 65 uint file_mask[TGSI_FILE_COUNT]; /**< bitmask of declared registers */ 66 uint file_count[TGSI_FILE_COUNT]; /**< number of declared registers */ 67 int file_max[TGSI_FILE_COUNT]; /**< highest index of declared registers */ 68 int const_file_max[PIPE_MAX_CONSTANT_BUFFERS]; 69 unsigned const_buffers_declared; /**< bitmask of declared const buffers */ 70 unsigned samplers_declared; /**< bitmask of declared samplers */ 71 ubyte sampler_targets[PIPE_MAX_SHADER_SAMPLER_VIEWS]; /**< TGSI_TEXTURE_x values */ 72 ubyte sampler_type[PIPE_MAX_SHADER_SAMPLER_VIEWS]; /**< TGSI_RETURN_TYPE_x */ 73 ubyte num_stream_output_components[4]; 74 75 ubyte input_array_first[PIPE_MAX_SHADER_INPUTS]; 76 ubyte input_array_last[PIPE_MAX_SHADER_INPUTS]; 77 ubyte output_array_first[PIPE_MAX_SHADER_OUTPUTS]; 78 ubyte output_array_last[PIPE_MAX_SHADER_OUTPUTS]; 79 unsigned array_max[TGSI_FILE_COUNT]; /**< highest index array per register file */ 80 81 uint immediate_count; /**< number of immediates declared */ 82 uint num_instructions; 83 uint num_memory_instructions; /**< sampler, buffer, and image instructions */ 84 85 uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */ 86 87 ubyte colors_read; /**< which color components are read by the FS */ 88 ubyte colors_written; 89 boolean reads_position; /**< does fragment shader read position? */ 90 boolean reads_z; /**< does fragment shader read depth? */ 91 boolean reads_samplemask; /**< does fragment shader read sample mask? */ 92 boolean writes_z; /**< does fragment shader write Z value? */ 93 boolean writes_stencil; /**< does fragment shader write stencil value? */ 94 boolean writes_samplemask; /**< does fragment shader write sample mask? */ 95 boolean writes_edgeflag; /**< vertex shader outputs edgeflag */ 96 boolean uses_kill; /**< KILL or KILL_IF instruction used? */ 97 boolean uses_persp_center; 98 boolean uses_persp_centroid; 99 boolean uses_persp_sample; 100 boolean uses_linear_center; 101 boolean uses_linear_centroid; 102 boolean uses_linear_sample; 103 boolean uses_persp_opcode_interp_centroid; 104 boolean uses_persp_opcode_interp_offset; 105 boolean uses_persp_opcode_interp_sample; 106 boolean uses_linear_opcode_interp_centroid; 107 boolean uses_linear_opcode_interp_offset; 108 boolean uses_linear_opcode_interp_sample; 109 boolean uses_instanceid; 110 boolean uses_vertexid; 111 boolean uses_vertexid_nobase; 112 boolean uses_basevertex; 113 boolean uses_primid; 114 boolean uses_frontface; 115 boolean uses_invocationid; 116 boolean writes_position; 117 boolean writes_psize; 118 boolean writes_clipvertex; 119 boolean writes_primid; 120 boolean writes_viewport_index; 121 boolean writes_layer; 122 boolean writes_memory; /**< contains stores or atomics to buffers or images */ 123 boolean is_msaa_sampler[PIPE_MAX_SAMPLERS]; 124 boolean uses_doubles; /**< uses any of the double instructions */ 125 boolean uses_derivatives; 126 unsigned clipdist_writemask; 127 unsigned culldist_writemask; 128 unsigned num_written_culldistance; 129 unsigned num_written_clipdistance; 130 131 unsigned images_declared; /**< bitmask of declared images */ 132 /** 133 * Bitmask indicating which images are written to (STORE / ATOM*). 134 * Indirect image accesses are not reflected in this mask. 135 */ 136 unsigned images_writemask; 137 /** 138 * Bitmask indicating which declared image is a buffer. 139 */ 140 unsigned images_buffers; 141 unsigned shader_buffers_declared; /**< bitmask of declared shader buffers */ 142 unsigned shader_buffers_load; /**< bitmask of shader buffers using loads */ 143 unsigned shader_buffers_store; /**< bitmask of shader buffers using stores */ 144 unsigned shader_buffers_atomic; /**< bitmask of shader buffers using atomics */ 145 /** 146 * Bitmask indicating which register files are accessed with 147 * indirect addressing. The bits are (1 << TGSI_FILE_x), etc. 148 */ 149 unsigned indirect_files; 150 /** 151 * Bitmask indicating which register files are read / written with 152 * indirect addressing. The bits are (1 << TGSI_FILE_x). 153 */ 154 unsigned indirect_files_read; 155 unsigned indirect_files_written; 156 unsigned dim_indirect_files; /**< shader resource indexing */ 157 unsigned const_buffers_indirect; /**< const buffers using indirect addressing */ 158 159 unsigned properties[TGSI_PROPERTY_COUNT]; /* index with TGSI_PROPERTY_ */ 160 161 /** 162 * Max nesting limit of loops/if's 163 */ 164 unsigned max_depth; 165 }; 166 167 struct tgsi_array_info 168 { 169 /** Whether an array with this ID was declared. */ 170 bool declared; 171 172 /** The OR of all writemasks used to write to this array. */ 173 ubyte writemask; 174 175 /** The range with which the array was declared. */ 176 struct tgsi_declaration_range range; 177 }; 178 179 extern void 180 tgsi_scan_shader(const struct tgsi_token *tokens, 181 struct tgsi_shader_info *info); 182 183 void 184 tgsi_scan_arrays(const struct tgsi_token *tokens, 185 unsigned file, 186 unsigned max_array_id, 187 struct tgsi_array_info *arrays); 188 189 extern boolean 190 tgsi_is_passthrough_shader(const struct tgsi_token *tokens); 191 192 #ifdef __cplusplus 193 } // extern "C" 194 #endif 195 196 #endif /* TGSI_SCAN_H */ 197
