From 5dfb43531ce3c02eddecba715193b0f9bb27bc37 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Thu, 18 Oct 2018 02:38:58 -0300 Subject: gl_shader_decompiler: Abstract VMAD into a video subset --- src/video_core/engines/shader_bytecode.h | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) (limited to 'src/video_core/engines/shader_bytecode.h') diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index d3095089c..bc61f953f 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -214,7 +214,7 @@ enum class IMinMaxExchange : u64 { XHi = 3, }; -enum class VmadType : u64 { +enum class VideoType : u64 { Size16_Low = 0, Size16_High = 1, Size32 = 2, @@ -782,6 +782,14 @@ union Instruction { BitField<45, 2, PredOperation> op; } psetp; + union { + BitField<43, 4, PredCondition> cond; + BitField<45, 2, PredOperation> op; + BitField<3, 3, u64> pred3; + BitField<0, 3, u64> pred0; + BitField<39, 3, u64> pred39; + } vsetp; + union { BitField<12, 3, u64> pred12; BitField<15, 1, u64> neg_pred12; @@ -1154,15 +1162,17 @@ union Instruction { union { BitField<48, 1, u64> signed_a; BitField<38, 1, u64> is_byte_chunk_a; - BitField<36, 2, VmadType> type_a; + BitField<36, 2, VideoType> type_a; BitField<36, 2, u64> byte_height_a; BitField<49, 1, u64> signed_b; BitField<50, 1, u64> use_register_b; BitField<30, 1, u64> is_byte_chunk_b; - BitField<28, 2, VmadType> type_b; + BitField<28, 2, VideoType> type_b; BitField<28, 2, u64> byte_height_b; + } video; + union { BitField<51, 2, VmadShr> shr; BitField<55, 1, u64> saturate; // Saturates the result (a * b + c) BitField<47, 1, u64> cc; -- cgit v1.2.3 From 7d6dca0d0a5886eb61f8cdc6ac71e2e64d35c633 Mon Sep 17 00:00:00 2001 From: ReinUsesLisp Date: Thu, 18 Oct 2018 02:39:15 -0300 Subject: gl_shader_decompiler: Implement VSETP --- src/video_core/engines/shader_bytecode.h | 2 ++ .../renderer_opengl/gl_shader_decompiler.cpp | 24 ++++++++++++++++++++++ 2 files changed, 26 insertions(+) (limited to 'src/video_core/engines/shader_bytecode.h') diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index bc61f953f..67a0770dd 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -1246,6 +1246,7 @@ public: OUT_R, // Emit vertex/primitive ISBERD, VMAD, + VSETP, FFMA_IMM, // Fused Multiply and Add FFMA_CR, FFMA_RC, @@ -1501,6 +1502,7 @@ private: INST("1111101111100---", Id::OUT_R, Type::Trivial, "OUT_R"), INST("1110111111010---", Id::ISBERD, Type::Trivial, "ISBERD"), INST("01011111--------", Id::VMAD, Type::Trivial, "VMAD"), + INST("0101000011110---", Id::VSETP, Type::Trivial, "VSETP"), INST("0011001-1-------", Id::FFMA_IMM, Type::Ffma, "FFMA_IMM"), INST("010010011-------", Id::FFMA_CR, Type::Ffma, "FFMA_CR"), INST("010100011-------", Id::FFMA_RC, Type::Ffma, "FFMA_RC"), diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index ad4d5a72f..42a072ed9 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -3362,6 +3362,30 @@ private: instr.vmad.cc); break; } + case OpCode::Id::VSETP: { + const std::string op_a = GetVideoOperandA(instr); + const std::string op_b = GetVideoOperandB(instr); + + // We can't use the constant predicate as destination. + ASSERT(instr.vsetp.pred3 != static_cast(Pred::UnusedIndex)); + + const std::string second_pred = GetPredicateCondition(instr.vsetp.pred39, false); + + const std::string combiner = GetPredicateCombiner(instr.vsetp.op); + + const std::string predicate = GetPredicateComparison(instr.vsetp.cond, op_a, op_b); + // Set the primary predicate to the result of Predicate OP SecondPredicate + SetPredicate(instr.vsetp.pred3, + '(' + predicate + ") " + combiner + " (" + second_pred + ')'); + + if (instr.vsetp.pred0 != static_cast(Pred::UnusedIndex)) { + // Set the secondary predicate to the result of !Predicate OP SecondPredicate, + // if enabled + SetPredicate(instr.vsetp.pred0, + "!(" + predicate + ") " + combiner + " (" + second_pred + ')'); + } + break; + } default: { LOG_CRITICAL(HW_GPU, "Unhandled instruction: {}", opcode->GetName()); UNREACHABLE(); -- cgit v1.2.3