yum-mirror/glslang

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John KessenichGLSL: Fix #1359: don't allow unsized arrays as initializers.b4cb70fc

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1#version 130
2
3float gu[];
4float g4[4];
5float g5[5];
6
7uniform int a;
8
9float[4] foo(float a[5])
10{
11    return float[](a[0], a[1], a[2], a[3]);
12}
13
14void bar(float[5]) {}
15
16void main()
17{
18    {
19        float gu[2];  // okay, new scope
20
21        gu[2] = 4.0;  // ERROR, overflow
22    }
23
24    gu[2] = 4.0; // okay
25
26    gu[3] = 3.0;
27    gu[a] = 5.0; // ERROR
28
29    g4 = foo(g5);
30    g5 = g4;  // ERROR
31    gu = g4;  // ERROR
32
33    foo(gu);  // ERROR
34    bar(g5);
35
36    if (float[4](1.0, 2.0, 3.0, 4.0) == g4)
37        gu[0] = 2.0;
38
39    float u[];
40    u[2] = 3.0; // okay
41    float u[5];
42    u[5] = 5.0; // ERROR
43    foo(u);     // okay
44
45    gl_FragData[1000] = vec4(1.0); // ERROR
46    gl_FragData[-1] = vec4(1.0);   // ERROR
47    gl_FragData[3] = vec4(1.0);
48
49    const int ca[] = int[](3, 2);
50    int sum = ca[0];
51    sum += ca[1];
52    sum += ca[2];  // ERROR
53
54    const int ca3[3] = int[](3, 2);  // ERROR
55    int ica[] = int[](3, 2);
56    int ica3[3] = int[](3, 2);       // ERROR
57    ica[3.1] = 3;                    // ERROR
58    ica[u[1]] = 4;                   // ERROR
59}
60
61int[] foo213234();        // ERROR
62int foo234234(float[]);   // ERROR
63int foo234235(vec2[] v);  // ERROR
64
65vec3 guns[];
66float f = guns[7];
67
68void foo()
69{
70    int uns[];
71    uns[3] = 40;
72    uns[1] = 30;
73    guns[2] = vec3(2.4);
74
75    float unsf[];
76    bar(unsf);          // ERROR
77}
78
79float[] foo2()          // ERROR
80{
81    float f[];
82    return f;
83    float g[9];
84    return g;           // ERROR
85}
86
87float gUnusedUnsized[];
88
89void foo3()
90{
91    float resize1[];
92    resize1[2] = 4.0;
93    resize1.length();  // ERROR
94    float resize1[3];
95    resize1.length();
96
97    float resize2[];
98    resize2[5] = 4.0;
99    float resize2[5];  // should be ERROR, but is not
100    resize2.length();
101    resize2[5] = 4.0;  // ERROR
102}
103
104int[] i = int[]();    // ERROR, need constructor arguments
105float emptyA[];
106float b = vec4(emptyA);    // ERROR, array can't be a constructor argument
107uniform sampler2D s2d[];
108
109void foo4()
110{
111    s2d[a];                         // ERROR, can't variably index unsized array
112    float local[] = gUnusedUnsized; // ERROR, can initialize with runtime-sized array
113}