Skip to content

G
glslang
Commit cbc426ee by Rex Xu
Options

SPV: Implement GLSL built-in bitcast functions.

parent ea0cb2eb
Showing with 286 additions and 0 deletions
SPIRV/GlslangToSpv.cpp
...@@ -2531,6 +2531,13 @@ spv::Id TGlslangToSpvTraverser::createUnaryOperation(glslang::TOperator op, spv: ...@@ -2531,6 +2531,13 @@ spv::Id TGlslangToSpvTraverser::createUnaryOperation(glslang::TOperator op, spv:
unaryOp = spv::OpIsInf; unaryOp = spv::OpIsInf;
break; break;
case glslang::EOpFloatBitsToInt:
case glslang::EOpFloatBitsToUint:
case glslang::EOpIntBitsToFloat:
case glslang::EOpUintBitsToFloat:
unaryOp = spv::OpBitcast;
break;
case glslang::EOpPackSnorm2x16: case glslang::EOpPackSnorm2x16:
libCall = spv::GLSLstd450PackSnorm2x16; libCall = spv::GLSLstd450PackSnorm2x16;
break; break;
......
Test/baseResults/spv.bitCast.frag.out 0 → 100644
spv.bitCast.frag
Warning, version 450 is not yet complete; most version-specific features are present, but some are missing.
Linked fragment stage:
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 172
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 154
ExecutionMode 4 OriginLowerLeft
Source GLSL 450
Name 4 "main"
Name 9 "idata"
Name 14 "f1"
Name 26 "f2"
Name 37 "f3"
Name 48 "f4"
Name 55 "udata"
Name 85 "fdata"
Name 89 "i1"
Name 98 "i2"
Name 107 "i3"
Name 116 "i4"
Name 122 "u1"
Name 130 "u2"
Name 139 "u3"
Name 148 "u4"
Name 154 "fragColor"
2: TypeVoid
3: TypeFunction 2
6: TypeInt 32 1
7: TypeVector 6(int) 4
8: TypePointer Function 7(ivec4)
10: 6(int) Constant 0
11: 7(ivec4) ConstantComposite 10 10 10 10
12: TypeFloat 32
13: TypePointer UniformConstant 12(float)
14(f1): 13(ptr) Variable UniformConstant
17: TypeInt 32 0
18: 17(int) Constant 0
19: TypePointer Function 6(int)
24: TypeVector 12(float) 2
25: TypePointer UniformConstant 24(fvec2)
26(f2): 25(ptr) Variable UniformConstant
28: TypeVector 6(int) 2
35: TypeVector 12(float) 3
36: TypePointer UniformConstant 35(fvec3)
37(f3): 36(ptr) Variable UniformConstant
39: TypeVector 6(int) 3
46: TypeVector 12(float) 4
47: TypePointer UniformConstant 46(fvec4)
48(f4): 47(ptr) Variable UniformConstant
53: TypeVector 17(int) 4
54: TypePointer Function 53(ivec4)
56: 53(ivec4) ConstantComposite 18 18 18 18
59: TypePointer Function 17(int)
65: TypeVector 17(int) 2
73: TypeVector 17(int) 3
84: TypePointer Function 46(fvec4)
86: 12(float) Constant 0
87: 46(fvec4) ConstantComposite 86 86 86 86
88: TypePointer UniformConstant 6(int)
89(i1): 88(ptr) Variable UniformConstant
92: TypePointer Function 12(float)
97: TypePointer UniformConstant 28(ivec2)
98(i2): 97(ptr) Variable UniformConstant
106: TypePointer UniformConstant 39(ivec3)
107(i3): 106(ptr) Variable UniformConstant
115: TypePointer UniformConstant 7(ivec4)
116(i4): 115(ptr) Variable UniformConstant
121: TypePointer UniformConstant 17(int)
122(u1): 121(ptr) Variable UniformConstant
129: TypePointer UniformConstant 65(ivec2)
130(u2): 129(ptr) Variable UniformConstant
138: TypePointer UniformConstant 73(ivec3)
139(u3): 138(ptr) Variable UniformConstant
147: TypePointer UniformConstant 53(ivec4)
148(u4): 147(ptr) Variable UniformConstant
153: TypePointer Output 46(fvec4)
154(fragColor): 153(ptr) Variable Output
159: TypeBool
160: TypeVector 159(bool) 4
168: 12(float) Constant 1045220557
169: 46(fvec4) ConstantComposite 168 168 168 168
4(main): 2 Function None 3
5: Label
9(idata): 8(ptr) Variable Function
55(udata): 54(ptr) Variable Function
85(fdata): 84(ptr) Variable Function
155: 84(ptr) Variable Function
Store 9(idata) 11
15: 12(float) Load 14(f1)
16: 6(int) Bitcast 15
20: 19(ptr) AccessChain 9(idata) 18
21: 6(int) Load 20
22: 6(int) IAdd 21 16
23: 19(ptr) AccessChain 9(idata) 18
Store 23 22
27: 24(fvec2) Load 26(f2)
29: 28(ivec2) Bitcast 27
30: 7(ivec4) Load 9(idata)
31: 28(ivec2) VectorShuffle 30 30 0 1
32: 28(ivec2) IAdd 31 29
33: 7(ivec4) Load 9(idata)
34: 7(ivec4) VectorShuffle 33 32 4 5 2 3
Store 9(idata) 34
38: 35(fvec3) Load 37(f3)
40: 39(ivec3) Bitcast 38
41: 7(ivec4) Load 9(idata)
42: 39(ivec3) VectorShuffle 41 41 0 1 2
43: 39(ivec3) IAdd 42 40
44: 7(ivec4) Load 9(idata)
45: 7(ivec4) VectorShuffle 44 43 4 5 6 3
Store 9(idata) 45
49: 46(fvec4) Load 48(f4)
50: 7(ivec4) Bitcast 49
51: 7(ivec4) Load 9(idata)
52: 7(ivec4) IAdd 51 50
Store 9(idata) 52
Store 55(udata) 56
57: 12(float) Load 14(f1)
58: 17(int) Bitcast 57
60: 59(ptr) AccessChain 55(udata) 18
61: 17(int) Load 60
62: 17(int) IAdd 61 58
63: 59(ptr) AccessChain 55(udata) 18
Store 63 62
64: 24(fvec2) Load 26(f2)
66: 65(ivec2) Bitcast 64
67: 53(ivec4) Load 55(udata)
68: 65(ivec2) VectorShuffle 67 67 0 1
69: 65(ivec2) IAdd 68 66
70: 53(ivec4) Load 55(udata)
71: 53(ivec4) VectorShuffle 70 69 4 5 2 3
Store 55(udata) 71
72: 35(fvec3) Load 37(f3)
74: 73(ivec3) Bitcast 72
75: 53(ivec4) Load 55(udata)
76: 73(ivec3) VectorShuffle 75 75 0 1 2
77: 73(ivec3) IAdd 76 74
78: 53(ivec4) Load 55(udata)
79: 53(ivec4) VectorShuffle 78 77 4 5 6 3
Store 55(udata) 79
80: 46(fvec4) Load 48(f4)
81: 53(ivec4) Bitcast 80
82: 53(ivec4) Load 55(udata)
83: 53(ivec4) IAdd 82 81
Store 55(udata) 83
Store 85(fdata) 87
90: 6(int) Load 89(i1)
91: 12(float) Bitcast 90
93: 92(ptr) AccessChain 85(fdata) 18
94: 12(float) Load 93
95: 12(float) FAdd 94 91
96: 92(ptr) AccessChain 85(fdata) 18
Store 96 95
99: 28(ivec2) Load 98(i2)
100: 24(fvec2) Bitcast 99
101: 46(fvec4) Load 85(fdata)
102: 24(fvec2) VectorShuffle 101 101 0 1
103: 24(fvec2) FAdd 102 100
104: 46(fvec4) Load 85(fdata)
105: 46(fvec4) VectorShuffle 104 103 4 5 2 3
Store 85(fdata) 105
108: 39(ivec3) Load 107(i3)
109: 35(fvec3) Bitcast 108
110: 46(fvec4) Load 85(fdata)
111: 35(fvec3) VectorShuffle 110 110 0 1 2
112: 35(fvec3) FAdd 111 109
113: 46(fvec4) Load 85(fdata)
114: 46(fvec4) VectorShuffle 113 112 4 5 6 3
Store 85(fdata) 114
117: 7(ivec4) Load 116(i4)
118: 46(fvec4) Bitcast 117
119: 46(fvec4) Load 85(fdata)
120: 46(fvec4) FAdd 119 118
Store 85(fdata) 120
123: 17(int) Load 122(u1)
124: 12(float) Bitcast 123
125: 92(ptr) AccessChain 85(fdata) 18
126: 12(float) Load 125
127: 12(float) FAdd 126 124
128: 92(ptr) AccessChain 85(fdata) 18
Store 128 127
131: 65(ivec2) Load 130(u2)
132: 24(fvec2) Bitcast 131
133: 46(fvec4) Load 85(fdata)
134: 24(fvec2) VectorShuffle 133 133 0 1
135: 24(fvec2) FAdd 134 132
136: 46(fvec4) Load 85(fdata)
137: 46(fvec4) VectorShuffle 136 135 4 5 2 3
Store 85(fdata) 137
140: 73(ivec3) Load 139(u3)
141: 35(fvec3) Bitcast 140
142: 46(fvec4) Load 85(fdata)
143: 35(fvec3) VectorShuffle 142 142 0 1 2
144: 35(fvec3) FAdd 143 141
145: 46(fvec4) Load 85(fdata)
146: 46(fvec4) VectorShuffle 145 144 4 5 6 3
Store 85(fdata) 146
149: 53(ivec4) Load 148(u4)
150: 46(fvec4) Bitcast 149
151: 46(fvec4) Load 85(fdata)
152: 46(fvec4) FAdd 151 150
Store 85(fdata) 152
156: 7(ivec4) Load 9(idata)
157: 53(ivec4) Bitcast 156
158: 53(ivec4) Load 55(udata)
161: 160(bvec4) IEqual 157 158
162: 159(bool) All 161
SelectionMerge 164 None
BranchConditional 162 163 166
163: Label
165: 46(fvec4) Load 85(fdata)
Store 155 165
Branch 164
166: Label
167: 46(fvec4) Load 85(fdata)
170: 46(fvec4) FAdd 167 169
Store 155 170
Branch 164
164: Label
171: 46(fvec4) Load 155
Store 154(fragColor) 171
Return
FunctionEnd
Test/spv.bitCast.frag 0 → 100644
#version 450
uniform int i1;
uniform ivec2 i2;
uniform ivec3 i3;
uniform ivec4 i4;
uniform uint u1;
uniform uvec2 u2;
uniform uvec3 u3;
uniform uvec4 u4;
uniform float f1;
uniform vec2 f2;
uniform vec3 f3;
uniform vec4 f4;
out vec4 fragColor;
void main()
{
ivec4 idata = ivec4(0);
idata.x += floatBitsToInt(f1);
idata.xy += floatBitsToInt(f2);
idata.xyz += floatBitsToInt(f3);
idata += floatBitsToInt(f4);
uvec4 udata = uvec4(0);
udata.x += floatBitsToUint(f1);
udata.xy += floatBitsToUint(f2);
udata.xyz += floatBitsToUint(f3);
udata += floatBitsToUint(f4);
vec4 fdata = vec4(0.0);
fdata.x += intBitsToFloat(i1);
fdata.xy += intBitsToFloat(i2);
fdata.xyz += intBitsToFloat(i3);
fdata += intBitsToFloat(i4);
fdata.x += uintBitsToFloat(u1);
fdata.xy += uintBitsToFloat(u2);
fdata.xyz += uintBitsToFloat(u3);
fdata += uintBitsToFloat(u4);
fragColor = (idata == udata) ? fdata : fdata + vec4(0.2);
}
\ No newline at end of file
Test/test-spirv-list
...@@ -30,6 +30,7 @@ spv.accessChain.frag ...@@ -30,6 +30,7 @@ spv.accessChain.frag
spv.aggOps.frag spv.aggOps.frag
spv.always-discard.frag spv.always-discard.frag
spv.always-discard2.frag spv.always-discard2.frag
spv.bitCast.frag
spv.bool.vert spv.bool.vert
spv.conditionalDiscard.frag spv.conditionalDiscard.frag
spv.conversion.frag spv.conversion.frag
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment