/************************************************************************** * * Copyright 2008 VMware, Inc. * 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 VMWARE 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" #ifdef __cplusplus extern "C" { #endif /** * 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_interpolate_loc[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 output_usagemask[PIPE_MAX_SHADER_OUTPUTS]; ubyte output_streams[PIPE_MAX_SHADER_OUTPUTS]; ubyte num_system_values; ubyte system_value_semantic_name[PIPE_MAX_SHADER_INPUTS]; ubyte processor; 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 */ int const_file_max[PIPE_MAX_CONSTANT_BUFFERS]; unsigned const_buffers_declared; /**< bitmask of declared const buffers */ unsigned samplers_declared; /**< bitmask of declared samplers */ ubyte sampler_targets[PIPE_MAX_SHADER_SAMPLER_VIEWS]; /**< TGSI_TEXTURE_x values */ ubyte sampler_type[PIPE_MAX_SHADER_SAMPLER_VIEWS]; /**< TGSI_RETURN_TYPE_x */ ubyte num_stream_output_components[4]; ubyte input_array_first[PIPE_MAX_SHADER_INPUTS]; ubyte input_array_last[PIPE_MAX_SHADER_INPUTS]; ubyte output_array_first[PIPE_MAX_SHADER_OUTPUTS]; ubyte output_array_last[PIPE_MAX_SHADER_OUTPUTS]; unsigned array_max[TGSI_FILE_COUNT]; /**< highest index array per register file */ uint immediate_count; /**< number of immediates declared */ uint num_instructions; uint num_memory_instructions; /**< sampler, buffer, and image instructions */ uint opcode_count[TGSI_OPCODE_LAST]; /**< opcode histogram */ /** * If a tessellation control shader reads outputs, this describes which ones. */ boolean reads_pervertex_outputs; boolean reads_perpatch_outputs; boolean reads_tessfactor_outputs; ubyte colors_read; /**< which color components are read by the FS */ ubyte colors_written; boolean reads_position; /**< does fragment shader read position? */ boolean reads_z; /**< does fragment shader read depth? */ boolean reads_samplemask; /**< does fragment shader read sample mask? */ boolean reads_tess_factors; /**< If TES reads TESSINNER or TESSOUTER */ boolean writes_z; /**< does fragment shader write Z value? */ boolean writes_stencil; /**< does fragment shader write stencil value? */ boolean writes_samplemask; /**< does fragment shader write sample mask? */ boolean writes_edgeflag; /**< vertex shader outputs edgeflag */ boolean uses_kill; /**< KILL or KILL_IF instruction used? */ boolean uses_persp_center; boolean uses_persp_centroid; boolean uses_persp_sample; boolean uses_linear_center; boolean uses_linear_centroid; boolean uses_linear_sample; boolean uses_persp_opcode_interp_centroid; boolean uses_persp_opcode_interp_offset; boolean uses_persp_opcode_interp_sample; boolean uses_linear_opcode_interp_centroid; boolean uses_linear_opcode_interp_offset; boolean uses_linear_opcode_interp_sample; boolean uses_instanceid; boolean uses_vertexid; boolean uses_vertexid_nobase; boolean uses_basevertex; boolean uses_primid; boolean uses_frontface; boolean uses_invocationid; boolean uses_thread_id[3]; boolean uses_block_id[3]; boolean uses_block_size; boolean uses_grid_size; boolean writes_position; boolean writes_psize; boolean writes_clipvertex; boolean writes_primid; boolean writes_viewport_index; boolean writes_layer; boolean writes_memory; /**< contains stores or atomics to buffers or images */ boolean uses_doubles; /**< uses any of the double instructions */ boolean uses_derivatives; boolean uses_bindless_samplers; boolean uses_bindless_images; unsigned clipdist_writemask; unsigned culldist_writemask; unsigned num_written_culldistance; unsigned num_written_clipdistance; unsigned images_declared; /**< bitmask of declared images */ /** * Bitmask indicating which declared image is a buffer. */ unsigned images_buffers; unsigned images_load; /**< bitmask of images using loads */ unsigned images_store; /**< bitmask of images using stores */ unsigned images_atomic; /**< bitmask of images using atomics */ unsigned shader_buffers_declared; /**< bitmask of declared shader buffers */ unsigned shader_buffers_load; /**< bitmask of shader buffers using loads */ unsigned shader_buffers_store; /**< bitmask of shader buffers using stores */ unsigned shader_buffers_atomic; /**< bitmask of shader buffers using atomics */ bool uses_bindless_buffer_load; bool uses_bindless_buffer_store; bool uses_bindless_buffer_atomic; bool uses_bindless_image_load; bool uses_bindless_image_store; bool uses_bindless_image_atomic; /** * Bitmask indicating which register files are accessed with * indirect addressing. The bits are (1 << TGSI_FILE_x), etc. */ unsigned indirect_files; /** * Bitmask indicating which register files are read / written with * indirect addressing. The bits are (1 << TGSI_FILE_x). */ unsigned indirect_files_read; unsigned indirect_files_written; unsigned dim_indirect_files; /**< shader resource indexing */ unsigned const_buffers_indirect; /**< const buffers using indirect addressing */ unsigned properties[TGSI_PROPERTY_COUNT]; /* index with TGSI_PROPERTY_ */ /** * Max nesting limit of loops/if's */ unsigned max_depth; }; struct tgsi_array_info { /** Whether an array with this ID was declared. */ bool declared; /** The OR of all writemasks used to write to this array. */ ubyte writemask; /** The range with which the array was declared. */ struct tgsi_declaration_range range; }; struct tgsi_tessctrl_info { /** Whether all codepaths write tess factors in all invocations. */ bool tessfactors_are_def_in_all_invocs; }; extern void tgsi_scan_shader(const struct tgsi_token *tokens, struct tgsi_shader_info *info); void tgsi_scan_arrays(const struct tgsi_token *tokens, unsigned file, unsigned max_array_id, struct tgsi_array_info *arrays); void tgsi_scan_tess_ctrl(const struct tgsi_token *tokens, const struct tgsi_shader_info *info, struct tgsi_tessctrl_info *out); static inline bool tgsi_is_bindless_image_file(unsigned file) { return file != TGSI_FILE_IMAGE && file != TGSI_FILE_MEMORY && file != TGSI_FILE_BUFFER; } #ifdef __cplusplus } // extern "C" #endif #endif /* TGSI_SCAN_H */