yum-mirror/glslang

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John KessenichHLSL: Include shape-changing conversions in overloaded signature selection.e3f2c8f9

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2.2 KiB142 linesraw
1// function selection under type conversion
2void foo1(double a, bool b)  {}
3void foo1(double a, uint b)  {}
4void foo1(double a, int b)   {}
5void foo1(double a, float b) {}
6void foo1(double a, double b){}
7
8// uint -> int
9void foo2(int a, bool b)  {}
10void foo2(int a, uint b)  {}
11void foo2(int a, int b)   {}
12void foo2(int a, float b) {}
13void foo2(int a, double b){}
14
15// everything can promote
16void foo3(bool b)  {}
17void foo4(uint b)  {}
18void foo5(int b)   {}
19void foo6(float b) {}
20void foo7(double b){}
21
22// shorter forward chain better than longer or backward chain
23void foo8(float)  {}
24void foo8(double) {}
25void foo9(int)    {}
26void foo9(uint)   {}
27void foo10(bool)  {}
28void foo10(int)   {}
29
30// shape change is worse
31void foo11(float3)  {}
32void foo11(double)  {}
33void foo11(int3)    {}
34void foo11(uint)    {}
35void foo12(float1)  {}
36void foo12(double3) {}
37void foo16(uint)    {}
38void foo16(uint2)   {}
39
40// shape change
41void foo13(float3)  {}
42void foo14(int1)     {}
43void foo15(bool1)   {}
44
45float4 PixelShaderFunction(float4 input) : COLOR0
46{
47    bool b;
48    double d;
49    uint u;
50    int i;
51    float f;
52
53    foo1(d, b);
54    foo1(d, d);
55    foo1(d, u);
56    foo1(d, i);
57    foo1(d, f);
58
59    foo1(f, b);
60    foo1(f, d);
61    foo1(f, u);
62    foo1(f, i);
63    foo1(f, f);
64
65    foo1(u, b);
66    foo1(u, d);
67    foo1(u, u);
68    foo1(u, i);
69    foo1(u, f);
70
71    foo1(i, b);
72    foo1(i, d);
73    foo1(i, u);
74    foo1(i, i);
75    foo1(i, f);
76
77    foo2(u, b);
78    foo2(u, d);
79    foo2(u, u);
80    foo2(u, i);
81    foo2(u, f);
82
83    foo2(i, b);
84    foo2(i, d);
85    foo2(i, u);
86    foo2(i, i);
87    foo2(i, f);
88
89    foo3(b);
90    foo3(d);
91    foo3(u);
92    foo3(i);
93    foo3(f);
94
95    foo4(b);
96    foo4(d);
97    foo4(u);
98    foo4(i);
99    foo4(f);
100
101    foo5(b);
102    foo5(d);
103    foo5(u);
104    foo5(i);
105    foo5(f);
106
107    foo6(b);
108    foo6(d);
109    foo6(u);
110    foo6(i);
111    foo6(f);
112
113    foo7(b);
114    foo7(d);
115    foo7(u);
116    foo7(i);
117    foo7(f);
118
119    foo8(b);
120    foo8(u);
121    foo8(i);
122
123    foo9(b);
124    foo9(f);
125    foo9(d);
126
127    foo10(u);
128    foo10(f);
129    foo10(d);
130
131    foo11(b);
132    foo11(f);
133    foo12(float3(f));
134    foo16(int2(i,i));
135
136    foo13(f);
137    foo14(int4(i));
138    foo15(b);
139    foo15(bool3(b));
140
141    return input;
142}