1 /************************************************************************** 2 * 3 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. 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 TUNGSTEN GRAPHICS 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 /** 37 * Shader summary info 38 */ 39 struct tgsi_shader_info 40 { 41 uint num_tokens; 42 43 ubyte num_inputs; 44 ubyte num_outputs; 45 ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; /**< TGSI_SEMANTIC_x */ 46 ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; 47 ubyte input_interpolate[PIPE_MAX_SHADER_INPUTS]; 48 ubyte input_centroid[PIPE_MAX_SHADER_INPUTS]; 49 ubyte input_usage_mask[PIPE_MAX_SHADER_INPUTS]; 50 ubyte input_cylindrical_wrap[PIPE_MAX_SHADER_INPUTS]; 51 ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; /**< TGSI_SEMANTIC_x */ 52 ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; 53 54 ubyte num_system_values; 55 ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS]; 56 57 uint file_mask[TGSI_FILE_COUNT]; /**< bitmask of declared registers */ 58 uint file_count[TGSI_FILE_COUNT]; /**< number of declared registers */ 59 int file_max[TGSI_FILE_COUNT]; /**< highest index of declared registers */ 60 61 uint immediate_count; /**< number of immediates declared */ 62 uint num_instructions; 63 64 uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */ 65 66 boolean reads_position; /**< does fragment shader read position? */ 67 boolean reads_z; /**< does fragment shader read depth? */ 68 boolean writes_z; /**< does fragment shader write Z value? */ 69 boolean writes_stencil; /**< does fragment shader write stencil value? */ 70 boolean writes_edgeflag; /**< vertex shader outputs edgeflag */ 71 boolean uses_kill; /**< KIL or KILP instruction used? */ 72 boolean uses_instanceid; 73 boolean uses_vertexid; 74 boolean origin_lower_left; 75 boolean pixel_center_integer; 76 boolean color0_writes_all_cbufs; 77 78 unsigned num_written_clipdistance; 79 /** 80 * Bitmask indicating which register files are accessed with 81 * indirect addressing. The bits are (1 << TGSI_FILE_x), etc. 82 */ 83 unsigned indirect_files; 84 85 struct { 86 unsigned name; 87 unsigned data[8]; 88 } properties[TGSI_PROPERTY_COUNT]; 89 uint num_properties; 90 }; 91 92 extern void 93 tgsi_scan_shader(const struct tgsi_token *tokens, 94 struct tgsi_shader_info *info); 95 96 97 extern boolean 98 tgsi_is_passthrough_shader(const struct tgsi_token *tokens); 99 100 101 #endif /* TGSI_SCAN_H */ 102