commit 7d6b34d25534f6d65d3ae5340d8692bf10cfe767
author Alexis Hetu <sugoi@google.com> Tue May 03 11:30:57 2016 -0400
committer Alexis Hétu <sugoi@google.com> Wed May 04 13:37:53 2016 +0000
tree db236180cb067985fbe087041e838e1bd7f5d651
parent 2ce222c5919773c80474c40e15fb62d44ce3f963

modf implementation

Implemented modf as trunc + sub
Passes all related dEQP tests

Change-Id: I43656c51a670d235153e5fac390a8db311b14f8d
Reviewed-on: https://swiftshader-review.googlesource.com/5280
Tested-by: Alexis Hétu <sugoi@google.com>
Reviewed-by: Nicolas Capens <capn@google.com>

src/OpenGL/compiler/Initialize.cpp

diff --git a/src/OpenGL/compiler/Initialize.cpp b/src/OpenGL/compiler/Initialize.cpp
index 63088a3..2fc517f 100644
--- a/src/OpenGL/compiler/Initialize.cpp
+++ b/src/OpenGL/compiler/Initialize.cpp
@@ -100,6 +100,16 @@
     symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSmoothStep, genType, "smoothstep", genType, genType, genType);
     symbolTable.insertBuiltIn(COMMON_BUILTINS, EOpSmoothStep, genType, "smoothstep", float1, float1, genType);
 
+	TType *outFloat1 = new TType(EbtFloat, EbpUndefined, EvqOut);
+	TType *outFloat2 = new TType(EbtFloat, EbpUndefined, EvqOut, 2);
+	TType *outFloat3 = new TType(EbtFloat, EbpUndefined, EvqOut, 3);
+	TType *outFloat4 = new TType(EbtFloat, EbpUndefined, EvqOut, 4);
+
+	symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float1, "modf", float1, outFloat1);
+	symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float2, "modf", float2, outFloat2);
+	symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float3, "modf", float3, outFloat3);
+	symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpModf, float4, "modf", float4, outFloat4);
+
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIsNan, genBType, "isnan", genType);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpIsInf, genBType, "isinf", genType);
     symbolTable.insertBuiltIn(ESSL3_BUILTINS, EOpFloatBitsToInt, genIType, "floatBitsToInt", genType);