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Add uint type (big change). For both int/uint, add the operators >>, <<, &, |, and ^. Also added unsigned literals and uint precision support. Also fixed how int/uint literal underflow/overflow is handled.

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git-svn-id: https://cvs.khronos.org/svn/repos/ogl/trunk/ecosystem/public/sdk/tools/glslang@21054 e7fa87d3-cd2b-0410-9028-fcbf551c1848
This commit is contained in:
John Kessenich 2013-04-05 04:05:39 +00:00
parent ae722a6230
commit ebeeece6a7
16 changed files with 473 additions and 102 deletions
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10
Test/specExamples.frag
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@ -3,22 +3,22 @@
#extension GL_3DL_array_objects : enable
int a = 0xffffffff; // 32 bits, a gets the value -1
//int b = 0xffffffffU; // ERROR: can't convert uint to int
int b = 0xffffffffU; // ERROR: can't convert uint to int
uint c = 0xffffffff; // 32 bits, c gets the value 0xFFFFFFFF
//uint d = 0xffffffffU; // 32 bits, d gets the value 0xFFFFFFFF
uint d = 0xffffffffU; // 32 bits, d gets the value 0xFFFFFFFF
int e = -1; // the literal is "1", then negation is performed,
// and the resulting non-literal 32-bit signed
// bit pattern of 0xFFFFFFFF is assigned, giving e
// the value of -1.
//uint f = -1u; // the literal is "1u", then negation is performed,
uint f = -1u; // the literal is "1u", then negation is performed,
// and the resulting non-literal 32-bit unsigned
// bit pattern of 0xFFFFFFFF is assigned, giving f
// the value of 0xFFFFFFFF.
int g = 3000000000; // a signed decimal literal taking 32 bits,
// setting the sign bit, g gets -1294967296
int h = 0xA0000000; // okay, 32-bit signed hexadecimal
//int i = 5000000000; // ERROR: needs more than 32 bits
//int j = 0xFFFFFFFFF; // ERROR: needs more that 32 bits
int i = 5000000000; // ERROR: needs more than 32 bits
int j = 0xFFFFFFFFF; // ERROR: needs more that 32 bits
int k = 0x80000000; // k gets -2147483648 == 0x80000000
int l = 2147483648; // l gets -2147483648 (the literal set the sign bit)