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"
39 struct tgsi_shader_info
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_interpolate_loc
[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
];
54 ubyte num_system_values
;
55 ubyte system_value_semantic_name
[PIPE_MAX_SHADER_INPUTS
];
59 uint file_mask
[TGSI_FILE_COUNT
]; /**< bitmask of declared registers */
60 uint file_count
[TGSI_FILE_COUNT
]; /**< number of declared registers */
61 int file_max
[TGSI_FILE_COUNT
]; /**< highest index of declared registers */
62 int const_file_max
[PIPE_MAX_CONSTANT_BUFFERS
];
64 uint immediate_count
; /**< number of immediates declared */
65 uint num_instructions
;
67 uint opcode_count
[TGSI_OPCODE_LAST
]; /**< opcode histogram */
69 boolean reads_position
; /**< does fragment shader read position? */
70 boolean reads_z
; /**< does fragment shader read depth? */
71 boolean writes_z
; /**< does fragment shader write Z value? */
72 boolean writes_stencil
; /**< does fragment shader write stencil value? */
73 boolean writes_edgeflag
; /**< vertex shader outputs edgeflag */
74 boolean uses_kill
; /**< KILL or KILL_IF instruction used? */
75 boolean uses_centroid
;
76 boolean uses_instanceid
;
77 boolean uses_vertexid
;
78 boolean uses_vertexid_nobase
;
79 boolean uses_basevertex
;
81 boolean uses_frontface
;
83 boolean writes_clipvertex
;
84 boolean writes_viewport_index
;
86 boolean is_msaa_sampler
[PIPE_MAX_SAMPLERS
];
88 unsigned clipdist_writemask
;
89 unsigned culldist_writemask
;
90 unsigned num_written_culldistance
;
91 unsigned num_written_clipdistance
;
93 * Bitmask indicating which register files are accessed with
94 * indirect addressing. The bits are (1 << TGSI_FILE_x), etc.
96 unsigned indirect_files
;
98 unsigned properties
[TGSI_PROPERTY_COUNT
]; /* index with TGSI_PROPERTY_ */
102 tgsi_scan_shader(const struct tgsi_token
*tokens
,
103 struct tgsi_shader_info
*info
);
107 tgsi_is_passthrough_shader(const struct tgsi_token
*tokens
);
110 #endif /* TGSI_SCAN_H */