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HLSL: Implement switch/case/default.

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This commit is contained in:
John Kessenich
2016-07-01 00:04:11 -06:00
parent 2f47bc9781
commit d02dc5d05a
7 changed files with 514 additions and 7 deletions
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376
Test/baseResults/hlsl.switch.frag.out Executable file
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hlsl.switch.frag
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:56 Function Definition: PixelShaderFunction(vf4;i1;i1; (temp 4-component vector of float)
0:2 Function Parameters:
0:2 'input' (in 4-component vector of float)
0:2 'c' (in int)
0:2 'd' (in int)
0:? Sequence
0:3 'c' (in int)
0:7 switch
0:7 condition
0:7 'c' (in int)
0:7 body
0:7 Sequence
0:9 default:
0:7 Sequence
0:7 Branch: Break
0:12 switch
0:12 condition
0:12 'c' (in int)
0:12 body
0:12 Sequence
0:13 case: with expression
0:13 Constant:
0:13 1 (const int)
0:? Sequence
0:14 Pre-Increment (temp 4-component vector of float)
0:14 'input' (in 4-component vector of float)
0:15 Branch: Break
0:16 case: with expression
0:16 Constant:
0:16 2 (const int)
0:? Sequence
0:17 Pre-Decrement (temp 4-component vector of float)
0:17 'input' (in 4-component vector of float)
0:18 Branch: Break
0:21 switch
0:21 condition
0:21 'c' (in int)
0:21 body
0:21 Sequence
0:22 case: with expression
0:22 Constant:
0:22 1 (const int)
0:? Sequence
0:23 Pre-Increment (temp 4-component vector of float)
0:23 'input' (in 4-component vector of float)
0:24 Branch: Break
0:25 case: with expression
0:25 Constant:
0:25 2 (const int)
0:? Sequence
0:26 switch
0:26 condition
0:26 'd' (in int)
0:26 body
0:26 Sequence
0:27 case: with expression
0:27 Constant:
0:27 2 (const int)
0:? Sequence
0:28 add second child into first child (temp 4-component vector of float)
0:28 'input' (in 4-component vector of float)
0:28 Constant:
0:28 2.000000
0:29 Branch: Break
0:30 case: with expression
0:30 Constant:
0:30 3 (const int)
0:? Sequence
0:31 add second child into first child (temp 4-component vector of float)
0:31 'input' (in 4-component vector of float)
0:31 Constant:
0:31 3.000000
0:32 Branch: Break
0:34 Branch: Break
0:35 default:
0:? Sequence
0:36 add second child into first child (temp 4-component vector of float)
0:36 'input' (in 4-component vector of float)
0:36 Constant:
0:36 4.000000
0:39 switch
0:39 condition
0:39 'c' (in int)
0:39 body
0:39 Sequence
0:40 case: with expression
0:40 Constant:
0:40 1 (const int)
0:39 Sequence
0:39 Branch: Break
0:43 switch
0:43 condition
0:43 'c' (in int)
0:43 body
0:43 Sequence
0:44 case: with expression
0:44 Constant:
0:44 1 (const int)
0:45 case: with expression
0:45 Constant:
0:45 2 (const int)
0:46 case: with expression
0:46 Constant:
0:46 3 (const int)
0:? Sequence
0:47 Pre-Increment (temp 4-component vector of float)
0:47 'input' (in 4-component vector of float)
0:48 Branch: Break
0:49 case: with expression
0:49 Constant:
0:49 4 (const int)
0:50 case: with expression
0:50 Constant:
0:50 5 (const int)
0:? Sequence
0:51 Pre-Decrement (temp 4-component vector of float)
0:51 'input' (in 4-component vector of float)
0:54 Branch: Return with expression
0:54 'input' (in 4-component vector of float)
0:? Linker Objects
Linked fragment stage:
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:56 Function Definition: PixelShaderFunction(vf4;i1;i1; (temp 4-component vector of float)
0:2 Function Parameters:
0:2 'input' (in 4-component vector of float)
0:2 'c' (in int)
0:2 'd' (in int)
0:? Sequence
0:3 'c' (in int)
0:7 switch
0:7 condition
0:7 'c' (in int)
0:7 body
0:7 Sequence
0:9 default:
0:7 Sequence
0:7 Branch: Break
0:12 switch
0:12 condition
0:12 'c' (in int)
0:12 body
0:12 Sequence
0:13 case: with expression
0:13 Constant:
0:13 1 (const int)
0:? Sequence
0:14 Pre-Increment (temp 4-component vector of float)
0:14 'input' (in 4-component vector of float)
0:15 Branch: Break
0:16 case: with expression
0:16 Constant:
0:16 2 (const int)
0:? Sequence
0:17 Pre-Decrement (temp 4-component vector of float)
0:17 'input' (in 4-component vector of float)
0:18 Branch: Break
0:21 switch
0:21 condition
0:21 'c' (in int)
0:21 body
0:21 Sequence
0:22 case: with expression
0:22 Constant:
0:22 1 (const int)
0:? Sequence
0:23 Pre-Increment (temp 4-component vector of float)
0:23 'input' (in 4-component vector of float)
0:24 Branch: Break
0:25 case: with expression
0:25 Constant:
0:25 2 (const int)
0:? Sequence
0:26 switch
0:26 condition
0:26 'd' (in int)
0:26 body
0:26 Sequence
0:27 case: with expression
0:27 Constant:
0:27 2 (const int)
0:? Sequence
0:28 add second child into first child (temp 4-component vector of float)
0:28 'input' (in 4-component vector of float)
0:28 Constant:
0:28 2.000000
0:29 Branch: Break
0:30 case: with expression
0:30 Constant:
0:30 3 (const int)
0:? Sequence
0:31 add second child into first child (temp 4-component vector of float)
0:31 'input' (in 4-component vector of float)
0:31 Constant:
0:31 3.000000
0:32 Branch: Break
0:34 Branch: Break
0:35 default:
0:? Sequence
0:36 add second child into first child (temp 4-component vector of float)
0:36 'input' (in 4-component vector of float)
0:36 Constant:
0:36 4.000000
0:39 switch
0:39 condition
0:39 'c' (in int)
0:39 body
0:39 Sequence
0:40 case: with expression
0:40 Constant:
0:40 1 (const int)
0:39 Sequence
0:39 Branch: Break
0:43 switch
0:43 condition
0:43 'c' (in int)
0:43 body
0:43 Sequence
0:44 case: with expression
0:44 Constant:
0:44 1 (const int)
0:45 case: with expression
0:45 Constant:
0:45 2 (const int)
0:46 case: with expression
0:46 Constant:
0:46 3 (const int)
0:? Sequence
0:47 Pre-Increment (temp 4-component vector of float)
0:47 'input' (in 4-component vector of float)
0:48 Branch: Break
0:49 case: with expression
0:49 Constant:
0:49 4 (const int)
0:50 case: with expression
0:50 Constant:
0:50 5 (const int)
0:? Sequence
0:51 Pre-Decrement (temp 4-component vector of float)
0:51 'input' (in 4-component vector of float)
0:54 Branch: Return with expression
0:54 'input' (in 4-component vector of float)
0:? Linker Objects
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 82
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "PixelShaderFunction" 8 21 41
ExecutionMode 4 OriginUpperLeft
Source HLSL 450
Name 4 "PixelShaderFunction"
Name 8 "c"
Name 21 "input"
Name 41 "d"
2: TypeVoid
3: TypeFunction 2
6: TypeInt 32 1
7: TypePointer Input 6(int)
8(c): 7(ptr) Variable Input
18: TypeFloat 32
19: TypeVector 18(float) 4
20: TypePointer Input 19(fvec4)
21(input): 20(ptr) Variable Input
23: 18(float) Constant 1065353216
41(d): 7(ptr) Variable Input
46: 18(float) Constant 1073741824
51: 18(float) Constant 1077936128
58: 18(float) Constant 1082130432
4(PixelShaderFunction): 2 Function None 3
5: Label
9: 6(int) Load 8(c)
SelectionMerge 11 None
Switch 9 10
10: Label
Branch 11
11: Label
14: 6(int) Load 8(c)
SelectionMerge 17 None
Switch 14 17
case 1: 15
case 2: 16
15: Label
22: 19(fvec4) Load 21(input)
24: 19(fvec4) CompositeConstruct 23 23 23 23
25: 19(fvec4) FAdd 22 24
Store 21(input) 25
Branch 17
16: Label
27: 19(fvec4) Load 21(input)
28: 19(fvec4) CompositeConstruct 23 23 23 23
29: 19(fvec4) FSub 27 28
Store 21(input) 29
Branch 17
17: Label
32: 6(int) Load 8(c)
SelectionMerge 36 None
Switch 32 35
case 1: 33
case 2: 34
35: Label
59: 19(fvec4) Load 21(input)
60: 19(fvec4) CompositeConstruct 58 58 58 58
61: 19(fvec4) FAdd 59 60
Store 21(input) 61
Branch 36
33: Label
37: 19(fvec4) Load 21(input)
38: 19(fvec4) CompositeConstruct 23 23 23 23
39: 19(fvec4) FAdd 37 38
Store 21(input) 39
Branch 36
34: Label
42: 6(int) Load 41(d)
SelectionMerge 45 None
Switch 42 45
case 2: 43
case 3: 44
43: Label
47: 19(fvec4) Load 21(input)
48: 19(fvec4) CompositeConstruct 46 46 46 46
49: 19(fvec4) FAdd 47 48
Store 21(input) 49
Branch 45
44: Label
52: 19(fvec4) Load 21(input)
53: 19(fvec4) CompositeConstruct 51 51 51 51
54: 19(fvec4) FAdd 52 53
Store 21(input) 54
Branch 45
45: Label
Branch 36
36: Label
63: 6(int) Load 8(c)
SelectionMerge 65 None
Switch 63 65
case 1: 64
64: Label
Branch 65
65: Label
68: 6(int) Load 8(c)
SelectionMerge 71 None
Switch 68 71
case 1: 69
case 2: 69
case 3: 69
case 4: 70
case 5: 70
69: Label
72: 19(fvec4) Load 21(input)
73: 19(fvec4) CompositeConstruct 23 23 23 23
74: 19(fvec4) FAdd 72 73
Store 21(input) 74
Branch 71
70: Label
76: 19(fvec4) Load 21(input)
77: 19(fvec4) CompositeConstruct 23 23 23 23
78: 19(fvec4) FSub 76 77
Store 21(input) 78
Branch 71
71: Label
80: 19(fvec4) Load 21(input)
ReturnValue 80
FunctionEnd

55
Test/hlsl.switch.frag Normal file
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float4 PixelShaderFunction(float4 input, int c, int d) : COLOR0
{
switch(c)
{
}
switch(c)
{
default:
}
switch (c) {
case 1:
++input;
break;
case 2:
--input;
break;
}
switch (c) {
case 1:
++input;
break;
case 2:
switch (d) {
case 2:
input += 2.0;
break;
case 3:
input += 3.0;
break;
}
break;
default:
input += 4.0;
}
switch (c) {
case 1:
}
switch (c) {
case 1:
case 2:
case 3:
++input;
break;
case 4:
case 5:
--input;
}
return input;
}