2 * Copyright © 2012 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
26 namespace ir_builder
{
29 * This little class exists to let the helper expression generators
30 * take either an ir_rvalue * or an ir_variable * to be automatically
31 * dereferenced, while still providing compile-time type checking.
33 * You don't have to explicitly call the constructor -- C++ will see
34 * that you passed an ir_variable, and silently call the
35 * operand(ir_variable *var) constructor behind your back.
39 operand(ir_rvalue
*val
)
44 operand(ir_variable
*var
)
46 void *mem_ctx
= ralloc_parent(var
);
47 val
= new(mem_ctx
) ir_dereference_variable(var
);
53 /** Automatic generator for ir_dereference_variable on assignment LHS.
59 deref(ir_dereference
*val
)
64 deref(ir_variable
*var
)
66 void *mem_ctx
= ralloc_parent(var
);
67 val
= new(mem_ctx
) ir_dereference_variable(var
);
76 void emit(ir_instruction
*ir
);
77 ir_variable
*make_temp(const glsl_type
*type
, const char *name
);
79 exec_list
*instructions
;
83 ir_assignment
*assign(deref lhs
, operand rhs
);
84 ir_assignment
*assign(deref lhs
, operand rhs
, int writemask
);
86 ir_expression
*expr(ir_expression_operation op
, operand a
);
87 ir_expression
*expr(ir_expression_operation op
, operand a
, operand b
);
88 ir_expression
*add(operand a
, operand b
);
89 ir_expression
*sub(operand a
, operand b
);
90 ir_expression
*mul(operand a
, operand b
);
91 ir_expression
*dot(operand a
, operand b
);
92 ir_expression
*saturate(operand a
);
95 * Swizzle away later components, but preserve the ordering.
97 ir_swizzle
*swizzle_for_size(operand a
, unsigned components
);
99 ir_swizzle
*swizzle_xxxx(operand a
);
100 ir_swizzle
*swizzle_yyyy(operand a
);
101 ir_swizzle
*swizzle_zzzz(operand a
);
102 ir_swizzle
*swizzle_wwww(operand a
);
103 ir_swizzle
*swizzle_x(operand a
);
104 ir_swizzle
*swizzle_y(operand a
);
105 ir_swizzle
*swizzle_z(operand a
);
106 ir_swizzle
*swizzle_w(operand a
);
107 ir_swizzle
*swizzle_xy(operand a
);
108 ir_swizzle
*swizzle_xyz(operand a
);
109 ir_swizzle
*swizzle_xyzw(operand a
);
111 } /* namespace ir_builder */