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author | bunnei <bunneidev@gmail.com> | 2018-06-05 01:04:20 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-06-05 01:04:20 +0200 |
commit | 37fd4e6d9b553f9c5c8f4a8b30d0dd2a66f5f89d (patch) | |
tree | 84f08ea733d291fef4b12e03498d6d818f7698a8 /src/video_core | |
parent | Merge pull request #501 from Subv/shader_bra (diff) | |
parent | GPU: Use the bf bit in FSET to determine whether to write 0xFFFFFFFF or 1.0f. (diff) | |
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Diffstat (limited to 'src/video_core')
-rw-r--r-- | src/video_core/engines/shader_bytecode.h | 2 | ||||
-rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 21 |
2 files changed, 19 insertions, 4 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h index a57b90632..e7ef7e71f 100644 --- a/src/video_core/engines/shader_bytecode.h +++ b/src/video_core/engines/shader_bytecode.h @@ -245,9 +245,9 @@ union Instruction { BitField<44, 1, u64> abs_b; BitField<45, 2, PredOperation> op; BitField<48, 4, PredCondition> cond; + BitField<52, 1, u64> bf; BitField<53, 1, u64> neg_b; BitField<54, 1, u64> abs_a; - BitField<52, 1, u64> bf; BitField<55, 1, u64> ftz; BitField<56, 1, u64> neg_imm; } fset; diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 4cfd6f042..45d120757 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -871,8 +871,7 @@ private: ASSERT_MSG(!instr.conversion.saturate_a, "Unimplemented"); switch (opcode->GetId()) { - case OpCode::Id::I2I_R: - case OpCode::Id::I2F_R: { + case OpCode::Id::I2I_R: { ASSERT_MSG(!instr.conversion.selector, "Unimplemented"); std::string op_a = @@ -885,6 +884,17 @@ private: regs.SetRegisterToInteger(instr.gpr0, instr.conversion.is_signed, 0, op_a, 1, 1); break; } + case OpCode::Id::I2F_R: { + std::string op_a = + regs.GetRegisterAsInteger(instr.gpr20, 0, instr.conversion.is_signed); + + if (instr.conversion.abs_a) { + op_a = "abs(" + op_a + ')'; + } + + regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1); + break; + } case OpCode::Id::F2F_R: { std::string op_a = regs.GetRegisterAsFloat(instr.gpr20); @@ -1078,7 +1088,12 @@ private: std::string predicate = "(((" + op_a + ") " + comparator + " (" + op_b + ")) " + combiner + " (" + second_pred + "))"; - regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1); + if (instr.fset.bf) { + regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1); + } else { + regs.SetRegisterToInteger(instr.gpr0, false, 0, predicate + " ? 0xFFFFFFFF : 0", 1, + 1); + } break; } default: { |