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Merge pull request #537 from bunnei/misc-shader

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gl_shader_decompiler: Additional decodings, remove unused stuff from TEX
This commit is contained in:
bunnei 2018-06-06 21:44:37 -04:00 committed by GitHub
commit 03f877919d
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 8 deletions
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20
src/video_core/engines/shader_bytecode.h
View file

@ -390,6 +390,9 @@ class OpCode {
public:
enum class Id {
KIL,
BFE_C,
BFE_R,
BFE_IMM,
BRA,
LD_A,
LD_C,
@ -444,6 +447,9 @@ public:
FMNMX_C,
FMNMX_R,
FMNMX_IMM,
IMNMX_C,
IMNMX_R,
IMNMX_IMM,
FSETP_C, // Set Predicate
FSETP_R,
FSETP_IMM,
@ -454,6 +460,10 @@ public:
ISETP_IMM,
ISETP_R,
PSETP,
XMAD_IMM,
XMAD_CR,
XMAD_RC,
XMAD_RR,
};
enum class Type {
@ -565,6 +575,9 @@ private:
std::vector<Matcher> 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"),
@ -606,6 +619,9 @@ 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("000001----------", Id::LOP32I, Type::Logic, "LOP32I"),
INST("0100110001001---", Id::SHL_C, Type::Shift, "SHL_C"),
INST("0101110001001---", Id::SHL_R, Type::Shift, "SHL_R"),
@ -629,6 +645,10 @@ private:
INST("010110110110----", Id::ISETP_R, Type::IntegerSetPredicate, "ISETP_R"),
INST("0011011-0110----", Id::ISETP_IMM, Type::IntegerSetPredicate, "ISETP_IMM"),
INST("0101000010010---", Id::PSETP, Type::PredicateSetPredicate, "PSETP"),
INST("0011011-00------", Id::XMAD_IMM, Type::Arithmetic, "XMAD_IMM"),
INST("0100111---------", Id::XMAD_CR, Type::Arithmetic, "XMAD_CR"),
INST("010100010-------", Id::XMAD_RC, Type::Arithmetic, "XMAD_RC"),
INST("0101101100------", Id::XMAD_RR, Type::Arithmetic, "XMAD_RR"),
};
#undef INST
std::stable_sort(table.begin(), table.end(), [](const auto& a, const auto& b) {

12
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
View file

@ -1112,13 +1112,11 @@ private:
break;
}
case OpCode::Type::Memory: {
const Attribute::Index attribute = instr.attribute.fmt20.index;
switch (opcode->GetId()) {
case OpCode::Id::LD_A: {
ASSERT_MSG(instr.attribute.fmt20.size == 0, "untested");
regs.SetRegisterToInputAttibute(instr.gpr0, instr.attribute.fmt20.element,
attribute);
instr.attribute.fmt20.index);
break;
}
case OpCode::Id::LD_C: {
@ -1150,12 +1148,11 @@ private:
}
case OpCode::Id::ST_A: {
ASSERT_MSG(instr.attribute.fmt20.size == 0, "untested");
regs.SetOutputAttributeToRegister(attribute, instr.attribute.fmt20.element,
instr.gpr0);
regs.SetOutputAttributeToRegister(instr.attribute.fmt20.index,
instr.attribute.fmt20.element, instr.gpr0);
break;
}
case OpCode::Id::TEX: {
ASSERT_MSG(instr.attribute.fmt20.size == 4, "untested");
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const std::string sampler = GetSampler(instr.sampler);
@ -1168,7 +1165,7 @@ private:
const std::string texture = "texture(" + sampler + ", coords)";
size_t dest_elem{};
for (size_t elem = 0; elem < instr.attribute.fmt20.size; ++elem) {
for (size_t elem = 0; elem < 4; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;
@ -1181,7 +1178,6 @@ private:
break;
}
case OpCode::Id::TEXS: {
ASSERT_MSG(instr.attribute.fmt20.size == 4, "untested");
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
const std::string sampler = GetSampler(instr.sampler);