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author | marha <marha@users.sourceforge.net> | 2014-02-07 23:46:30 +0100 |
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committer | marha <marha@users.sourceforge.net> | 2014-02-07 23:46:30 +0100 |
commit | 6daf40f6b1138efad98dbb579cd35520cbc349bb (patch) | |
tree | 7f45dbb347f5e1a73b18a720633b9d801c968490 /mesalib/src/glsl/ir_constant_expression.cpp | |
parent | 5c64f94cf4cf8457a5616fe20b9a27174895f1a8 (diff) | |
parent | 982ac918afe6a1c02d5cf735d7b6c56443a048cc (diff) | |
download | vcxsrv-6daf40f6b1138efad98dbb579cd35520cbc349bb.tar.gz vcxsrv-6daf40f6b1138efad98dbb579cd35520cbc349bb.tar.bz2 vcxsrv-6daf40f6b1138efad98dbb579cd35520cbc349bb.zip |
Merge remote-tracking branch 'origin/released'
* origin/released:
xkbcomp xkeyboard-config libxcb libxtrans fontconfig libX11 libxcb mesa xserver git update 7 Feb 2014
Conflicts:
mesalib/src/glsl/glcpp/glcpp.c
openssl/Makefile
Diffstat (limited to 'mesalib/src/glsl/ir_constant_expression.cpp')
-rwxr-xr-x | mesalib/src/glsl/ir_constant_expression.cpp | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/mesalib/src/glsl/ir_constant_expression.cpp b/mesalib/src/glsl/ir_constant_expression.cpp index c24d3c96b..48cf47f53 100755 --- a/mesalib/src/glsl/ir_constant_expression.cpp +++ b/mesalib/src/glsl/ir_constant_expression.cpp @@ -1390,6 +1390,23 @@ ir_expression::constant_expression_value(struct hash_table *variable_context) break; } + case ir_binop_bfm: { + int bits = op[0]->value.i[0]; + int offset = op[1]->value.i[0]; + + for (unsigned c = 0; c < components; c++) { + if (bits == 0) + data.u[c] = op[0]->value.u[c]; + else if (offset < 0 || bits < 0) + data.u[c] = 0; /* Undefined for bitfieldInsert, per spec. */ + else if (offset + bits > 32) + data.u[c] = 0; /* Undefined for bitfieldInsert, per spec. */ + else + data.u[c] = ((1 << bits) - 1) << offset; + } + break; + } + case ir_binop_ldexp: for (unsigned c = 0; c < components; c++) { data.f[c] = ldexp(op[0]->value.f[c], op[1]->value.i[c]); |