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authorbunnei <bunneidev@gmail.com>2018-07-08 04:33:50 +0200
committerGitHub <noreply@github.com>2018-07-08 04:33:50 +0200
commit639346bcfba26a84ec80bda1ffd3a383f1e4c159 (patch)
tree7638332bac68ba353d6511a302e6cd2cdb3ff163 /src
parentMerge pull request #627 from Subv/bc7u (diff)
parentGPU: Implemented the IMNMX shader instruction. (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/video_core/engines/shader_bytecode.h20
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp14
2 files changed, 31 insertions, 3 deletions
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 3b70efeec..2bc1782ad 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -194,6 +194,13 @@ enum class UniformType : u64 {
Double = 5,
};
+enum class IMinMaxExchange : u64 {
+ None = 0,
+ XLo = 1,
+ XMed = 2,
+ XHi = 3,
+};
+
union Instruction {
Instruction& operator=(const Instruction& instr) {
value = instr.value;
@@ -279,6 +286,13 @@ union Instruction {
} alu_integer;
union {
+ BitField<39, 3, u64> pred;
+ BitField<42, 1, u64> negate_pred;
+ BitField<43, 2, IMinMaxExchange> exchange;
+ BitField<48, 1, u64> is_signed;
+ } imnmx;
+
+ union {
BitField<54, 1, u64> saturate;
BitField<56, 1, u64> negate_a;
} iadd32i;
@@ -700,9 +714,9 @@ private:
INST("0100110001100---", Id::FMNMX_C, Type::Arithmetic, "FMNMX_C"),
INST("0101110001100---", Id::FMNMX_R, Type::Arithmetic, "FMNMX_R"),
INST("0011100-01100---", Id::FMNMX_IMM, Type::Arithmetic, "FMNMX_IMM"),
- 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("0100110000100---", Id::IMNMX_C, Type::ArithmeticInteger, "IMNMX_C"),
+ INST("0101110000100---", Id::IMNMX_R, Type::ArithmeticInteger, "IMNMX_R"),
+ INST("0011100-00100---", Id::IMNMX_IMM, Type::ArithmeticInteger, "IMNMX_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"),
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index e817aca5a..5914077e8 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -1127,6 +1127,20 @@ private:
WriteLogicOperation(instr.gpr0, instr.alu.lop.operation, op_a, op_b);
break;
}
+ case OpCode::Id::IMNMX_C:
+ case OpCode::Id::IMNMX_R:
+ case OpCode::Id::IMNMX_IMM: {
+ ASSERT_MSG(instr.imnmx.exchange == Tegra::Shader::IMinMaxExchange::None,
+ "Unimplemented");
+ std::string condition =
+ GetPredicateCondition(instr.imnmx.pred, instr.imnmx.negate_pred != 0);
+ std::string parameters = op_a + ',' + op_b;
+ regs.SetRegisterToInteger(instr.gpr0, instr.imnmx.is_signed, 0,
+ '(' + condition + ") ? min(" + parameters + ") : max(" +
+ parameters + ')',
+ 1, 1);
+ break;
+ }
default: {
LOG_CRITICAL(HW_GPU, "Unhandled ArithmeticInteger instruction: {}",
opcode->GetName());