1 /**************************************************************************
3 * Copyright 2008 VMware, Inc.
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:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
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.
26 **************************************************************************/
32 #include "pipe/p_compiler.h"
33 #include "pipe/p_state.h"
34 #include "pipe/p_shader_tokens.h"
43 struct tgsi_shader_info
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
];
60 ubyte num_system_values
;
61 ubyte system_value_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
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];
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 */
81 uint immediate_count
; /**< number of immediates declared */
82 uint num_instructions
;
83 uint num_memory_instructions
; /**< sampler, buffer, and image instructions */
85 uint opcode_count
[TGSI_OPCODE_LAST
]; /**< opcode histogram */
88 * If a tessellation control shader reads outputs, this describes which ones.
90 boolean reads_pervertex_outputs
;
91 boolean reads_perpatch_outputs
;
92 boolean reads_tessfactor_outputs
;
94 ubyte colors_read
; /**< which color components are read by the FS */
96 boolean reads_position
; /**< does fragment shader read position? */
97 boolean reads_z
; /**< does fragment shader read depth? */
98 boolean reads_samplemask
; /**< does fragment shader read sample mask? */
99 boolean reads_tess_factors
; /**< If TES reads TESSINNER or TESSOUTER */
100 boolean writes_z
; /**< does fragment shader write Z value? */
101 boolean writes_stencil
; /**< does fragment shader write stencil value? */
102 boolean writes_samplemask
; /**< does fragment shader write sample mask? */
103 boolean writes_edgeflag
; /**< vertex shader outputs edgeflag */
104 boolean uses_kill
; /**< KILL or KILL_IF instruction used? */
105 boolean uses_persp_center
;
106 boolean uses_persp_centroid
;
107 boolean uses_persp_sample
;
108 boolean uses_linear_center
;
109 boolean uses_linear_centroid
;
110 boolean uses_linear_sample
;
111 boolean uses_persp_opcode_interp_centroid
;
112 boolean uses_persp_opcode_interp_offset
;
113 boolean uses_persp_opcode_interp_sample
;
114 boolean uses_linear_opcode_interp_centroid
;
115 boolean uses_linear_opcode_interp_offset
;
116 boolean uses_linear_opcode_interp_sample
;
117 boolean uses_instanceid
;
118 boolean uses_vertexid
;
119 boolean uses_vertexid_nobase
;
120 boolean uses_basevertex
;
123 boolean uses_frontface
;
124 boolean uses_invocationid
;
125 boolean uses_thread_id
[3];
126 boolean uses_block_id
[3];
127 boolean uses_block_size
;
128 boolean uses_grid_size
;
129 boolean uses_subgroup_info
;
130 boolean writes_position
;
131 boolean writes_psize
;
132 boolean writes_clipvertex
;
133 boolean writes_primid
;
134 boolean writes_viewport_index
;
135 boolean writes_layer
;
136 boolean writes_memory
; /**< contains stores or atomics to buffers or images */
137 boolean uses_doubles
; /**< uses any of the double instructions */
138 boolean uses_derivatives
;
139 boolean uses_bindless_samplers
;
140 boolean uses_bindless_images
;
141 boolean uses_fbfetch
;
142 unsigned clipdist_writemask
;
143 unsigned culldist_writemask
;
144 unsigned num_written_culldistance
;
145 unsigned num_written_clipdistance
;
147 unsigned images_declared
; /**< bitmask of declared images */
148 unsigned msaa_images_declared
; /**< bitmask of declared MSAA images */
151 * Bitmask indicating which declared image is a buffer.
153 unsigned images_buffers
;
154 unsigned images_load
; /**< bitmask of images using loads */
155 unsigned images_store
; /**< bitmask of images using stores */
156 unsigned images_atomic
; /**< bitmask of images using atomics */
157 unsigned shader_buffers_declared
; /**< bitmask of declared shader buffers */
158 unsigned shader_buffers_load
; /**< bitmask of shader buffers using loads */
159 unsigned shader_buffers_store
; /**< bitmask of shader buffers using stores */
160 unsigned shader_buffers_atomic
; /**< bitmask of shader buffers using atomics */
161 bool uses_bindless_buffer_load
;
162 bool uses_bindless_buffer_store
;
163 bool uses_bindless_buffer_atomic
;
164 bool uses_bindless_image_load
;
165 bool uses_bindless_image_store
;
166 bool uses_bindless_image_atomic
;
169 * Bitmask indicating which register files are accessed with
170 * indirect addressing. The bits are (1 << TGSI_FILE_x), etc.
172 unsigned indirect_files
;
174 * Bitmask indicating which register files are read / written with
175 * indirect addressing. The bits are (1 << TGSI_FILE_x).
177 unsigned indirect_files_read
;
178 unsigned indirect_files_written
;
179 unsigned dim_indirect_files
; /**< shader resource indexing */
180 unsigned const_buffers_indirect
; /**< const buffers using indirect addressing */
182 unsigned properties
[TGSI_PROPERTY_COUNT
]; /* index with TGSI_PROPERTY_ */
185 * Max nesting limit of loops/if's
190 struct tgsi_array_info
192 /** Whether an array with this ID was declared. */
195 /** The OR of all writemasks used to write to this array. */
198 /** The range with which the array was declared. */
199 struct tgsi_declaration_range range
;
202 struct tgsi_tessctrl_info
204 /** Whether all codepaths write tess factors in all invocations. */
205 bool tessfactors_are_def_in_all_invocs
;
209 tgsi_scan_shader(const struct tgsi_token
*tokens
,
210 struct tgsi_shader_info
*info
);
213 tgsi_scan_arrays(const struct tgsi_token
*tokens
,
215 unsigned max_array_id
,
216 struct tgsi_array_info
*arrays
);
219 tgsi_scan_tess_ctrl(const struct tgsi_token
*tokens
,
220 const struct tgsi_shader_info
*info
,
221 struct tgsi_tessctrl_info
*out
);
224 tgsi_is_bindless_image_file(unsigned file
)
226 return file
!= TGSI_FILE_IMAGE
&&
227 file
!= TGSI_FILE_MEMORY
&&
228 file
!= TGSI_FILE_BUFFER
&&
229 file
!= TGSI_FILE_CONSTBUF
&&
230 file
!= TGSI_FILE_HW_ATOMIC
;
237 #endif /* TGSI_SCAN_H */