1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* -*- c++ -*- */
/*
* Copyright © 2010 Intel Corporation
*
* 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, sublicense,
* 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 NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#pragma once
#ifndef GLSL_LINKER_H
#define GLSL_LINKER_H
ir_function_signature *
link_get_main_function_signature(gl_shader *sh);
extern bool
link_function_calls(gl_shader_program *prog, gl_shader *main,
gl_shader **shader_list, unsigned num_shaders);
extern void
link_invalidate_variable_locations(exec_list *ir);
extern void
link_assign_uniform_locations(struct gl_shader_program *prog,
unsigned int boolean_true);
extern void
link_set_uniform_initializers(struct gl_shader_program *prog,
unsigned int boolean_true);
extern int
link_cross_validate_uniform_block(void *mem_ctx,
struct gl_uniform_block **linked_blocks,
unsigned int *num_linked_blocks,
struct gl_uniform_block *new_block);
extern bool
link_uniform_blocks_are_compatible(const gl_uniform_block *a,
const gl_uniform_block *b);
extern unsigned
link_uniform_blocks(void *mem_ctx,
struct gl_shader_program *prog,
struct gl_shader **shader_list,
unsigned num_shaders,
struct gl_uniform_block **blocks_ret);
void
validate_intrastage_interface_blocks(struct gl_shader_program *prog,
const gl_shader **shader_list,
unsigned num_shaders);
void
validate_interstage_inout_blocks(struct gl_shader_program *prog,
const gl_shader *producer,
const gl_shader *consumer);
void
validate_interstage_uniform_blocks(struct gl_shader_program *prog,
gl_shader **stages, int num_stages);
extern void
link_assign_atomic_counter_resources(struct gl_context *ctx,
struct gl_shader_program *prog);
extern void
link_check_atomic_counter_resources(struct gl_context *ctx,
struct gl_shader_program *prog);
/**
* Class for processing all of the leaf fields of a variable that corresponds
* to a program resource.
*
* The leaf fields are all the parts of the variable that the application
* could query using \c glGetProgramResourceIndex (or that could be returned
* by \c glGetProgramResourceName).
*
* Classes my derive from this class to implement specific functionality.
* This class only provides the mechanism to iterate over the leaves. Derived
* classes must implement \c ::visit_field and may override \c ::process.
*/
class program_resource_visitor {
public:
/**
* Begin processing a variable
*
* Classes that overload this function should call \c ::process from the
* base class to start the recursive processing of the variable.
*
* \param var The variable that is to be processed
*
* Calls \c ::visit_field for each leaf of the variable.
*
* \warning
* When processing a uniform block, this entry should only be used in cases
* where the row / column ordering of matrices in the block does not
* matter. For example, enumerating the names of members of the block, but
* not for determining the offsets of members.
*/
void process(ir_variable *var);
/**
* Begin processing a variable of a structured type.
*
* This flavor of \c process should be used to handle structured types
* (i.e., structures, interfaces, or arrays there of) that need special
* name handling. A common usage is to handle cases where the block name
* (instead of the instance name) is used for an interface block.
*
* \param type Type that is to be processed, associated with \c name
* \param name Base name of the structured variable being processed
*
* \note
* \c type must be \c GLSL_TYPE_RECORD, \c GLSL_TYPE_INTERFACE, or an array
* there of.
*/
void process(const glsl_type *type, const char *name);
protected:
/**
* Method invoked for each leaf of the variable
*
* \param type Type of the field.
* \param name Fully qualified name of the field.
* \param row_major For a matrix type, is it stored row-major.
* \param record_type Type of the record containing the field.
* \param last_field Set if \c name is the last field of the structure
* containing it. This will always be false for items
* not contained in a structure or interface block.
*
* The default implementation just calls the other \c visit_field method.
*/
virtual void visit_field(const glsl_type *type, const char *name,
bool row_major, const glsl_type *record_type,
bool last_field);
/**
* Method invoked for each leaf of the variable
*
* \param type Type of the field.
* \param name Fully qualified name of the field.
* \param row_major For a matrix type, is it stored row-major.
*/
virtual void visit_field(const glsl_type *type, const char *name,
bool row_major) = 0;
/**
* Visit a record before visiting its fields
*
* For structures-of-structures or interfaces-of-structures, this visits
* the inner structure before visiting its fields.
*
* The default implementation does nothing.
*/
virtual void visit_field(const glsl_struct_field *field);
virtual void enter_record(const glsl_type *type, const char *name,
bool row_major);
virtual void leave_record(const glsl_type *type, const char *name,
bool row_major);
private:
/**
* \param name_length Length of the current name \b not including the
* terminating \c NUL character.
* \param last_field Set if \c name is the last field of the structure
* containing it. This will always be false for items
* not contained in a structure or interface block.
*/
void recursion(const glsl_type *t, char **name, size_t name_length,
bool row_major, const glsl_type *record_type,
bool last_field);
};
void
linker_error(gl_shader_program *prog, const char *fmt, ...);
void
linker_warning(gl_shader_program *prog, const char *fmt, ...);
#endif /* GLSL_LINKER_H */
|
