2 * Copyright 2009 Nicolai Hähnle <nhaehnle@gmail.com>
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 * on the rights to use, copy, modify, merge, publish, distribute, sub
8 * license, and/or sell copies of the Software, and to permit persons to whom
9 * the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
19 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
20 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
21 * USE OR OTHER DEALINGS IN THE SOFTWARE. */
23 #include "radeon_compiler.h"
27 #include "radeon_dataflow.h"
28 #include "radeon_program_alu.h"
29 #include "r300_fragprog.h"
30 #include "r300_fragprog_swizzle.h"
31 #include "r500_fragprog.h"
34 static void dataflow_outputs_mark_use(void * userdata
, void * data
,
35 void (*callback
)(void *, unsigned int, unsigned int))
37 struct r300_fragment_program_compiler
* c
= userdata
;
38 callback(data
, c
->OutputColor
[0], RC_MASK_XYZW
);
39 callback(data
, c
->OutputColor
[1], RC_MASK_XYZW
);
40 callback(data
, c
->OutputColor
[2], RC_MASK_XYZW
);
41 callback(data
, c
->OutputColor
[3], RC_MASK_XYZW
);
42 callback(data
, c
->OutputDepth
, RC_MASK_W
);
45 static void rewrite_depth_out(struct r300_fragment_program_compiler
* c
)
47 struct rc_instruction
*rci
;
49 for (rci
= c
->Base
.Program
.Instructions
.Next
; rci
!= &c
->Base
.Program
.Instructions
; rci
= rci
->Next
) {
50 struct rc_sub_instruction
* inst
= &rci
->U
.I
;
52 if (inst
->DstReg
.File
!= RC_FILE_OUTPUT
|| inst
->DstReg
.Index
!= c
->OutputDepth
)
55 if (inst
->DstReg
.WriteMask
& RC_MASK_Z
) {
56 inst
->DstReg
.WriteMask
= RC_MASK_W
;
58 inst
->DstReg
.WriteMask
= 0;
62 switch (inst
->Opcode
) {
65 inst
->SrcReg
[0] = lmul_swizzle(RC_SWIZZLE_ZZZZ
, inst
->SrcReg
[0]);
71 inst
->SrcReg
[0] = lmul_swizzle(RC_SWIZZLE_ZZZZ
, inst
->SrcReg
[0]);
72 inst
->SrcReg
[1] = lmul_swizzle(RC_SWIZZLE_ZZZZ
, inst
->SrcReg
[1]);
76 inst
->SrcReg
[0] = lmul_swizzle(RC_SWIZZLE_ZZZZ
, inst
->SrcReg
[0]);
77 inst
->SrcReg
[1] = lmul_swizzle(RC_SWIZZLE_ZZZZ
, inst
->SrcReg
[1]);
78 inst
->SrcReg
[2] = lmul_swizzle(RC_SWIZZLE_ZZZZ
, inst
->SrcReg
[2]);
81 // Scalar instructions needn't be reswizzled
87 void r3xx_compile_fragment_program(struct r300_fragment_program_compiler
* c
)
92 struct radeon_program_transformation transformations
[] = {
93 { &r500_transform_TEX
, c
},
94 { &r500_transform_IF
, 0 },
95 { &radeonTransformALU
, 0 },
96 { &radeonTransformDeriv
, 0 },
97 { &radeonTransformTrigScale
, 0 }
99 radeonLocalTransform(&c
->Base
, 5, transformations
);
101 c
->Base
.SwizzleCaps
= &r500_swizzle_caps
;
103 struct radeon_program_transformation transformations
[] = {
104 { &r300_transform_TEX
, c
},
105 { &radeonTransformALU
, 0 },
106 { &radeonTransformTrigSimple
, 0 }
108 radeonLocalTransform(&c
->Base
, 3, transformations
);
110 c
->Base
.SwizzleCaps
= &r300_swizzle_caps
;
114 fprintf(stderr
, "Fragment Program: After native rewrite:\n");
115 rc_print_program(&c
->Base
.Program
);
119 rc_dataflow_deadcode(&c
->Base
, &dataflow_outputs_mark_use
, c
);
124 fprintf(stderr
, "Fragment Program: After deadcode:\n");
125 rc_print_program(&c
->Base
.Program
);
129 rc_dataflow_swizzles(&c
->Base
);
134 fprintf(stderr
, "Compiler: after dataflow passes:\n");
135 rc_print_program(&c
->Base
.Program
);
139 rc_pair_translate(c
);
144 fprintf(stderr
, "Compiler: after pair translate:\n");
145 rc_print_program(&c
->Base
.Program
);
154 fprintf(stderr
, "Compiler: after pair scheduling:\n");
155 rc_print_program(&c
->Base
.Program
);
160 rc_pair_regalloc(c
, 128);
162 rc_pair_regalloc(c
, R300_PFS_NUM_TEMP_REGS
);
168 fprintf(stderr
, "Compiler: after pair register allocation:\n");
169 rc_print_program(&c
->Base
.Program
);
174 r500BuildFragmentProgramHwCode(c
);
176 r300BuildFragmentProgramHwCode(c
);
179 rc_constants_copy(&c
->code
->constants
, &c
->Base
.Program
.Constants
);
183 r500FragmentProgramDump(c
->code
);
185 r300FragmentProgramDump(c
->code
);