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Front-end: Don't lower precision of bit operations taking highp inputs.

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See issue #350 for detail.  This may be an ESSL specification issue.
This commit is contained in:
John Kessenich 2016-06-30 16:46:24 -06:00
parent ae3e77308c
commit f5dcdf0123
4 changed files with 52 additions and 60 deletions
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56
glslang/MachineIndependent/Initialize.cpp
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@ -948,9 +948,9 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
(profile != EEsProfile && version >= 420)) {
commonBuiltins.append(
"highp uint packSnorm2x16(vec2);"
"highp vec2 unpackSnorm2x16(highp uint);"
" vec2 unpackSnorm2x16(highp uint);"
"highp uint packHalf2x16(mediump vec2);"
"mediump vec2 unpackHalf2x16(highp uint);"
" vec2 unpackHalf2x16(highp uint);"
"\n");
}
@ -958,9 +958,9 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
(profile != EEsProfile && version >= 400)) {
commonBuiltins.append(
"highp uint packSnorm4x8 (mediump vec4);"
"mediump vec4 unpackSnorm4x8(highp uint);"
" vec4 unpackSnorm4x8(highp uint);"
"highp uint packUnorm4x8 (mediump vec4);"
"mediump vec4 unpackUnorm4x8(highp uint);"
" vec4 unpackUnorm4x8(highp uint);"
"\n");
}
@ -1298,15 +1298,15 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"uvec3 bitfieldInsert(uvec3 base, uvec3, int, int);"
"uvec4 bitfieldInsert(uvec4 base, uvec4, int, int);"
"lowp int findLSB( int);"
"lowp ivec2 findLSB(ivec2);"
"lowp ivec3 findLSB(ivec3);"
"lowp ivec4 findLSB(ivec4);"
" int findLSB( int);"
"ivec2 findLSB(ivec2);"
"ivec3 findLSB(ivec3);"
"ivec4 findLSB(ivec4);"
"lowp int findLSB( uint);"
"lowp ivec2 findLSB(uvec2);"
"lowp ivec3 findLSB(uvec3);"
"lowp ivec4 findLSB(uvec4);"
" int findLSB( uint);"
"ivec2 findLSB(uvec2);"
"ivec3 findLSB(uvec3);"
"ivec4 findLSB(uvec4);"
"\n");
}
@ -1398,25 +1398,25 @@ void TBuiltIns::initialize(int version, EProfile profile, const SpvVersion& spvV
"highp uvec3 bitfieldReverse(highp uvec3);"
"highp uvec4 bitfieldReverse(highp uvec4);"
"lowp int bitCount( int);"
"lowp ivec2 bitCount(ivec2);"
"lowp ivec3 bitCount(ivec3);"
"lowp ivec4 bitCount(ivec4);"
" int bitCount( int);"
"ivec2 bitCount(ivec2);"
"ivec3 bitCount(ivec3);"
"ivec4 bitCount(ivec4);"
"lowp int bitCount( uint);"
"lowp ivec2 bitCount(uvec2);"
"lowp ivec3 bitCount(uvec3);"
"lowp ivec4 bitCount(uvec4);"
" int bitCount( uint);"
"ivec2 bitCount(uvec2);"
"ivec3 bitCount(uvec3);"
"ivec4 bitCount(uvec4);"
"lowp int findMSB(highp int);"
"lowp ivec2 findMSB(highp ivec2);"
"lowp ivec3 findMSB(highp ivec3);"
"lowp ivec4 findMSB(highp ivec4);"
" int findMSB(highp int);"
"ivec2 findMSB(highp ivec2);"
"ivec3 findMSB(highp ivec3);"
"ivec4 findMSB(highp ivec4);"
"lowp int findMSB(highp uint);"
"lowp ivec2 findMSB(highp uvec2);"
"lowp ivec3 findMSB(highp uvec3);"
"lowp ivec4 findMSB(highp uvec4);"
" int findMSB(highp uint);"
"ivec2 findMSB(highp uvec2);"
"ivec3 findMSB(highp uvec3);"
"ivec4 findMSB(highp uvec4);"
"\n");
}