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authorbunnei <bunneidev@gmail.com>2018-07-22 08:13:27 +0200
committerGitHub <noreply@github.com>2018-07-22 08:13:27 +0200
commit2d563ec8d5d5d7039e18725b016f31c4d871b6d9 (patch)
treeac7bbe1cee0389d747518e3f520fa8e0a644242f /src
parentMerge pull request #764 from lioncash/move (diff)
parentgl_shader_decompiler: Implement SEL instruction. (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/engines/shader_bytecode.h11
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp9
2 files changed, 20 insertions, 0 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 939a71022..f495b623b 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -290,6 +290,11 @@ union Instruction {
union {
BitField<39, 3, u64> pred;
+ BitField<42, 1, u64> neg_pred;
+ } sel;
+
+ union {
+ BitField<39, 3, u64> pred;
BitField<42, 1, u64> negate_pred;
BitField<43, 2, IMinMaxExchange> exchange;
BitField<48, 1, u64> is_signed;
@@ -513,6 +518,9 @@ public:
ISCADD_C, // Scale and Add
ISCADD_R,
ISCADD_IMM,
+ SEL_C,
+ SEL_R,
+ SEL_IMM,
MUFU, // Multi-Function Operator
RRO_C, // Range Reduction Operator
RRO_R,
@@ -713,6 +721,9 @@ private:
INST("0100110000011---", Id::ISCADD_C, Type::ArithmeticInteger, "ISCADD_C"),
INST("0101110000011---", Id::ISCADD_R, Type::ArithmeticInteger, "ISCADD_R"),
INST("0011100-00011---", Id::ISCADD_IMM, Type::ArithmeticInteger, "ISCADD_IMM"),
+ INST("0100110010100---", Id::SEL_C, Type::ArithmeticInteger, "SEL_C"),
+ INST("0101110010100---", Id::SEL_R, Type::ArithmeticInteger, "SEL_R"),
+ INST("0011100010100---", Id::SEL_IMM, Type::ArithmeticInteger, "SEL_IMM"),
INST("0101000010000---", Id::MUFU, Type::Arithmetic, "MUFU"),
INST("0100110010010---", Id::RRO_C, Type::Arithmetic, "RRO_C"),
INST("0101110010010---", Id::RRO_R, Type::Arithmetic, "RRO_R"),
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index b48d30466..bfbfc3ac2 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1139,6 +1139,15 @@ private:
"((" + op_a + " << " + shift + ") + " + op_b + ')', 1, 1);
break;
}
+ case OpCode::Id::SEL_C:
+ case OpCode::Id::SEL_R:
+ case OpCode::Id::SEL_IMM: {
+ std::string condition =
+ GetPredicateCondition(instr.sel.pred, instr.sel.neg_pred != 0);
+ regs.SetRegisterToInteger(instr.gpr0, true, 0,
+ '(' + condition + ") ? " + op_a + " : " + op_b, 1, 1);
+ break;
+ }
case OpCode::Id::LOP_C:
case OpCode::Id::LOP_R:
case OpCode::Id::LOP_IMM: {