Merge pull request #1172 from tech4me/impl_iadd3

Shaders: Implemented IADD3

1 files changed, 23 insertions, 1 deletions

diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 625ecdfcd..96b745db8 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -213,6 +213,18 @@ enum class XmadMode : u64 {
     CBcc = 4,
 };
 
+enum class IAdd3Mode : u64 {
+    None = 0,
+    RightShift = 1,
+    LeftShift = 2,
+};
+
+enum class IAdd3Height : u64 {
+    None = 0,
+    LowerHalfWord = 1,
+    UpperHalfWord = 2,
+};
+
 enum class FlowCondition : u64 {
     Always = 0xF,
     Fcsm_Tr = 0x1C, // TODO(bunnei): What is this used for?
@@ -339,6 +351,16 @@ union Instruction {
     } imnmx;
 
     union {
+        BitField<31, 2, IAdd3Height> height_c;
+        BitField<33, 2, IAdd3Height> height_b;
+        BitField<35, 2, IAdd3Height> height_a;
+        BitField<37, 2, IAdd3Mode> mode;
+        BitField<49, 1, u64> neg_c;
+        BitField<50, 1, u64> neg_b;
+        BitField<51, 1, u64> neg_a;
+    } iadd3;
+
+    union {
         BitField<54, 1, u64> saturate;
         BitField<56, 1, u64> negate_a;
     } iadd32i;
@@ -636,7 +658,7 @@ public:
         IADD_C,
         IADD_R,
         IADD_IMM,
-        IADD3_C,
+        IADD3_C, // Add 3 Integers
         IADD3_R,
         IADD3_IMM,
         IADD32I,