| /************************************************************************** |
| * |
| * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * All Rights Reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the |
| * "Software"), to deal in the Software without restriction, including |
| * without limitation the rights to use, copy, modify, merge, publish, |
| * distribute, sub license, and/or sell copies of the Software, and to |
| * permit persons to whom the Software is furnished to do so, subject to |
| * the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the |
| * next paragraph) shall be included in all copies or substantial portions |
| * of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR |
| * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| **************************************************************************/ |
| |
| #ifndef TGSI_SCAN_H |
| #define TGSI_SCAN_H |
| |
| |
| #include "pipe/p_compiler.h" |
| #include "pipe/p_state.h" |
| #include "pipe/p_shader_tokens.h" |
| |
| /** |
| * Shader summary info |
| */ |
| struct tgsi_shader_info |
| { |
| uint num_tokens; |
| |
| ubyte num_inputs; |
| ubyte num_outputs; |
| ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; /**< TGSI_SEMANTIC_x */ |
| ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; |
| ubyte input_interpolate[PIPE_MAX_SHADER_INPUTS]; |
| ubyte input_centroid[PIPE_MAX_SHADER_INPUTS]; |
| ubyte input_usage_mask[PIPE_MAX_SHADER_INPUTS]; |
| ubyte input_cylindrical_wrap[PIPE_MAX_SHADER_INPUTS]; |
| ubyte output_semantic_name[PIPE_MAX_SHADER_OUTPUTS]; /**< TGSI_SEMANTIC_x */ |
| ubyte output_semantic_index[PIPE_MAX_SHADER_OUTPUTS]; |
| |
| ubyte num_system_values; |
| ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS]; |
| |
| uint file_mask[TGSI_FILE_COUNT]; /**< bitmask of declared registers */ |
| uint file_count[TGSI_FILE_COUNT]; /**< number of declared registers */ |
| int file_max[TGSI_FILE_COUNT]; /**< highest index of declared registers */ |
| |
| uint immediate_count; /**< number of immediates declared */ |
| uint num_instructions; |
| |
| uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */ |
| |
| boolean reads_position; /**< does fragment shader read position? */ |
| boolean reads_z; /**< does fragment shader read depth? */ |
| boolean writes_z; /**< does fragment shader write Z value? */ |
| boolean writes_stencil; /**< does fragment shader write stencil value? */ |
| boolean writes_edgeflag; /**< vertex shader outputs edgeflag */ |
| boolean uses_kill; /**< KIL or KILP instruction used? */ |
| boolean uses_instanceid; |
| boolean uses_vertexid; |
| boolean origin_lower_left; |
| boolean pixel_center_integer; |
| boolean color0_writes_all_cbufs; |
| |
| unsigned num_written_clipdistance; |
| /** |
| * Bitmask indicating which register files are accessed with |
| * indirect addressing. The bits are (1 << TGSI_FILE_x), etc. |
| */ |
| unsigned indirect_files; |
| |
| struct { |
| unsigned name; |
| unsigned data[8]; |
| } properties[TGSI_PROPERTY_COUNT]; |
| uint num_properties; |
| }; |
| |
| extern void |
| tgsi_scan_shader(const struct tgsi_token *tokens, |
| struct tgsi_shader_info *info); |
| |
| |
| extern boolean |
| tgsi_is_passthrough_shader(const struct tgsi_token *tokens); |
| |
| |
| #endif /* TGSI_SCAN_H */ |