From 92209f905fff33eaf4812c3d4a153ff9fffb1ed0 Mon Sep 17 00:00:00 2001 From: bunnei Date: Thu, 7 Jun 2018 00:58:12 -0400 Subject: gl_shader_decompiler: Implement BFE_IMM instruction. --- src/video_core/engines/shader_bytecode.h | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'src/video_core/engines') diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index 2cda1e63e..32800392b 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -265,6 +265,17 @@ union Instruction { BitField<49, 1, u64> negate_a; } iscadd; + union { + BitField<20, 8, u64> shift_position; + BitField<28, 8, u64> shift_length; + BitField<48, 1, u64> negate_b; + BitField<49, 1, u64> negate_a; + + u64 GetLeftShiftValue() const { + return 32 - (shift_position + shift_length); + } + } bfe; + union { BitField<48, 1, u64> negate_b; BitField<49, 1, u64> negate_c; @@ -478,6 +489,7 @@ public: enum class Type { Trivial, Arithmetic, + Bfe, Logic, Shift, ScaledAdd, @@ -584,9 +596,6 @@ private: std::vector table = { #define INST(bitstring, op, type, name) Detail::GetMatcher(bitstring, op, type, name) INST("111000110011----", Id::KIL, Type::Flow, "KIL"), - INST("0100110000000---", Id::BFE_C, Type::Flow, "BFE_C"), - INST("0101110000000---", Id::BFE_R, Type::Flow, "BFE_R"), - INST("0011100-00000---", Id::BFE_IMM, Type::Flow, "BFE_IMM"), INST("111000100100----", Id::BRA, Type::Flow, "BRA"), INST("1110111111011---", Id::LD_A, Type::Memory, "LD_A"), INST("1110111110010---", Id::LD_C, Type::Memory, "LD_C"), @@ -631,6 +640,9 @@ private: INST("0100110000100---", Id::IMNMX_C, Type::Arithmetic, "FMNMX_IMM"), INST("0101110000100---", Id::IMNMX_R, Type::Arithmetic, "FMNMX_IMM"), INST("0011100-00100---", Id::IMNMX_IMM, Type::Arithmetic, "FMNMX_IMM"), + INST("0100110000000---", Id::BFE_C, Type::Bfe, "BFE_C"), + INST("0101110000000---", Id::BFE_R, Type::Bfe, "BFE_R"), + INST("0011100-00000---", Id::BFE_IMM, Type::Bfe, "BFE_IMM"), INST("000001----------", Id::LOP32I, Type::Logic, "LOP32I"), INST("0100110001001---", Id::SHL_C, Type::Shift, "SHL_C"), INST("0101110001001---", Id::SHL_R, Type::Shift, "SHL_R"), -- cgit v1.2.3