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
];
58 ubyte num_system_values
;
59 ubyte system_value_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
63 uint file_mask
[TGSI_FILE_COUNT
]; /**< bitmask of declared registers */
64 uint file_count
[TGSI_FILE_COUNT
]; /**< number of declared registers */
65 int file_max
[TGSI_FILE_COUNT
]; /**< highest index of declared registers */
66 int const_file_max
[PIPE_MAX_CONSTANT_BUFFERS
];
67 unsigned samplers_declared
; /**< bitmask of declared samplers */
69 ubyte input_array_first
[PIPE_MAX_SHADER_INPUTS
];
70 ubyte input_array_last
[PIPE_MAX_SHADER_INPUTS
];
71 ubyte output_array_first
[PIPE_MAX_SHADER_OUTPUTS
];
72 ubyte output_array_last
[PIPE_MAX_SHADER_OUTPUTS
];
73 unsigned array_max
[TGSI_FILE_COUNT
]; /**< highest index array per register file */
75 uint immediate_count
; /**< number of immediates declared */
76 uint num_instructions
;
77 uint num_memory_instructions
; /**< sampler, buffer, and image instructions */
79 uint opcode_count
[TGSI_OPCODE_LAST
]; /**< opcode histogram */
81 ubyte colors_read
; /**< which color components are read by the FS */
83 boolean reads_position
; /**< does fragment shader read position? */
84 boolean reads_z
; /**< does fragment shader read depth? */
85 boolean reads_samplemask
; /**< does fragment shader read sample mask? */
86 boolean writes_z
; /**< does fragment shader write Z value? */
87 boolean writes_stencil
; /**< does fragment shader write stencil value? */
88 boolean writes_samplemask
; /**< does fragment shader write sample mask? */
89 boolean writes_edgeflag
; /**< vertex shader outputs edgeflag */
90 boolean uses_kill
; /**< KILL or KILL_IF instruction used? */
91 boolean uses_persp_center
;
92 boolean uses_persp_centroid
;
93 boolean uses_persp_sample
;
94 boolean uses_linear_center
;
95 boolean uses_linear_centroid
;
96 boolean uses_linear_sample
;
97 boolean uses_persp_opcode_interp_centroid
;
98 boolean uses_persp_opcode_interp_offset
;
99 boolean uses_persp_opcode_interp_sample
;
100 boolean uses_linear_opcode_interp_centroid
;
101 boolean uses_linear_opcode_interp_offset
;
102 boolean uses_linear_opcode_interp_sample
;
103 boolean uses_instanceid
;
104 boolean uses_vertexid
;
105 boolean uses_vertexid_nobase
;
106 boolean uses_basevertex
;
108 boolean uses_frontface
;
109 boolean uses_invocationid
;
110 boolean writes_psize
;
111 boolean writes_clipvertex
;
112 boolean writes_viewport_index
;
113 boolean writes_layer
;
114 boolean is_msaa_sampler
[PIPE_MAX_SAMPLERS
];
115 boolean uses_doubles
; /**< uses any of the double instructions */
116 unsigned clipdist_writemask
;
117 unsigned culldist_writemask
;
118 unsigned num_written_culldistance
;
119 unsigned num_written_clipdistance
;
121 * Bitmask indicating which images are written to (STORE / ATOM*).
122 * Indirect image accesses are not reflected in this mask.
124 unsigned images_writemask
;
126 * Bitmask indicating which register files are accessed with
127 * indirect addressing. The bits are (1 << TGSI_FILE_x), etc.
129 unsigned indirect_files
;
131 * Bitmask indicating which register files are read / written with
132 * indirect addressing. The bits are (1 << TGSI_FILE_x).
134 unsigned indirect_files_read
;
135 unsigned indirect_files_written
;
137 unsigned properties
[TGSI_PROPERTY_COUNT
]; /* index with TGSI_PROPERTY_ */
140 * Max nesting limit of loops/if's
146 tgsi_scan_shader(const struct tgsi_token
*tokens
,
147 struct tgsi_shader_info
*info
);
151 tgsi_is_passthrough_shader(const struct tgsi_token
*tokens
);
157 #endif /* TGSI_SCAN_H */