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-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp270
1 files changed, 186 insertions, 84 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index 841647ebe..034b9459c 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -113,7 +113,7 @@ private:
/// Scans a range of code for labels and determines the exit method.
ExitMethod Scan(u32 begin, u32 end, std::set<u32>& labels) {
- auto [iter, inserted] =
+ const auto [iter, inserted] =
exit_method_map.emplace(std::make_pair(begin, end), ExitMethod::Undetermined);
ExitMethod& exit_method = iter->second;
if (!inserted)
@@ -131,22 +131,22 @@ private:
if (instr.pred.pred_index == static_cast<u64>(Pred::UnusedIndex)) {
return exit_method = ExitMethod::AlwaysEnd;
} else {
- ExitMethod not_met = Scan(offset + 1, end, labels);
+ const ExitMethod not_met = Scan(offset + 1, end, labels);
return exit_method = ParallelExit(ExitMethod::AlwaysEnd, not_met);
}
}
case OpCode::Id::BRA: {
- u32 target = offset + instr.bra.GetBranchTarget();
+ const u32 target = offset + instr.bra.GetBranchTarget();
labels.insert(target);
- ExitMethod no_jmp = Scan(offset + 1, end, labels);
- ExitMethod jmp = Scan(target, end, labels);
+ const ExitMethod no_jmp = Scan(offset + 1, end, labels);
+ const ExitMethod jmp = Scan(target, end, labels);
return exit_method = ParallelExit(no_jmp, jmp);
}
case OpCode::Id::SSY: {
// The SSY instruction uses a similar encoding as the BRA instruction.
ASSERT_MSG(instr.bra.constant_buffer == 0,
"Constant buffer SSY is not supported");
- u32 target = offset + instr.bra.GetBranchTarget();
+ const u32 target = offset + instr.bra.GetBranchTarget();
labels.insert(target);
// Continue scanning for an exit method.
break;
@@ -346,8 +346,8 @@ public:
*/
void SetRegisterToInputAttibute(const Register& reg, u64 elem, Attribute::Index attribute,
const Tegra::Shader::IpaMode& input_mode) {
- std::string dest = GetRegisterAsFloat(reg);
- std::string src = GetInputAttribute(attribute, input_mode) + GetSwizzle(elem);
+ const std::string dest = GetRegisterAsFloat(reg);
+ const std::string src = GetInputAttribute(attribute, input_mode) + GetSwizzle(elem);
shader.AddLine(dest + " = " + src + ';');
}
@@ -359,8 +359,8 @@ public:
* @param reg The register to use as the source value.
*/
void SetOutputAttributeToRegister(Attribute::Index attribute, u64 elem, const Register& reg) {
- std::string dest = GetOutputAttribute(attribute);
- std::string src = GetRegisterAsFloat(reg);
+ const std::string dest = GetOutputAttribute(attribute);
+ const std::string src = GetRegisterAsFloat(reg);
if (!dest.empty()) {
// Can happen with unknown/unimplemented output attributes, in which case we ignore the
@@ -393,9 +393,9 @@ public:
GLSLRegister::Type type) {
declr_const_buffers[cbuf_index].MarkAsUsedIndirect(cbuf_index, stage);
- std::string final_offset = fmt::format("({} + {})", index_str, offset / 4);
- std::string value = 'c' + std::to_string(cbuf_index) + '[' + final_offset + " / 4][" +
- final_offset + " % 4]";
+ const std::string final_offset = fmt::format("({} + {})", index_str, offset / 4);
+ const std::string value = 'c' + std::to_string(cbuf_index) + '[' + final_offset + " / 4][" +
+ final_offset + " % 4]";
if (type == GLSLRegister::Type::Float) {
return value;
@@ -443,13 +443,12 @@ public:
}
declarations.AddNewLine();
- // Append the sampler2D array for the used textures.
- const size_t num_samplers = used_samplers.size();
- if (num_samplers > 0) {
- declarations.AddLine("uniform sampler2D " + SamplerEntry::GetArrayName(stage) + '[' +
- std::to_string(num_samplers) + "];");
- declarations.AddNewLine();
+ const auto& samplers = GetSamplers();
+ for (const auto& sampler : samplers) {
+ declarations.AddLine("uniform " + sampler.GetTypeString() + ' ' + sampler.GetName() +
+ ';');
}
+ declarations.AddNewLine();
}
/// Returns a list of constant buffer declarations
@@ -461,27 +460,29 @@ public:
}
/// Returns a list of samplers used in the shader
- std::vector<SamplerEntry> GetSamplers() const {
+ const std::vector<SamplerEntry>& GetSamplers() const {
return used_samplers;
}
/// Returns the GLSL sampler used for the input shader sampler, and creates a new one if
/// necessary.
- std::string AccessSampler(const Sampler& sampler) {
- size_t offset = static_cast<size_t>(sampler.index.Value());
+ std::string AccessSampler(const Sampler& sampler, Tegra::Shader::TextureType type,
+ bool is_array) {
+ const size_t offset = static_cast<size_t>(sampler.index.Value());
// If this sampler has already been used, return the existing mapping.
- auto itr =
+ const auto itr =
std::find_if(used_samplers.begin(), used_samplers.end(),
[&](const SamplerEntry& entry) { return entry.GetOffset() == offset; });
if (itr != used_samplers.end()) {
+ ASSERT(itr->GetType() == type && itr->IsArray() == is_array);
return itr->GetName();
}
// Otherwise create a new mapping for this sampler
- size_t next_index = used_samplers.size();
- SamplerEntry entry{stage, offset, next_index};
+ const size_t next_index = used_samplers.size();
+ const SamplerEntry entry{stage, offset, next_index, type, is_array};
used_samplers.emplace_back(entry);
return entry.GetName();
}
@@ -698,7 +699,7 @@ private:
};
bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const {
- u32 bit = render_target * 4 + component;
+ const u32 bit = render_target * 4 + component;
return enabled_color_outputs & (1 << bit);
}
};
@@ -706,7 +707,7 @@ private:
/// Gets the Subroutine object corresponding to the specified address.
const Subroutine& GetSubroutine(u32 begin, u32 end) const {
- auto iter = subroutines.find(Subroutine{begin, end, suffix});
+ const auto iter = subroutines.find(Subroutine{begin, end, suffix});
ASSERT(iter != subroutines.end());
return *iter;
}
@@ -722,8 +723,8 @@ private:
}
/// Generates code representing a texture sampler.
- std::string GetSampler(const Sampler& sampler) {
- return regs.AccessSampler(sampler);
+ std::string GetSampler(const Sampler& sampler, Tegra::Shader::TextureType type, bool is_array) {
+ return regs.AccessSampler(sampler, type, is_array);
}
/**
@@ -751,7 +752,7 @@ private:
// Can't assign to the constant predicate.
ASSERT(pred != static_cast<u64>(Pred::UnusedIndex));
- std::string variable = 'p' + std::to_string(pred) + '_' + suffix;
+ const std::string variable = 'p' + std::to_string(pred) + '_' + suffix;
shader.AddLine(variable + " = " + value + ';');
declr_predicates.insert(std::move(variable));
}
@@ -1032,7 +1033,11 @@ private:
if (header.writes_depth) {
// The depth output is always 2 registers after the last color output, and current_reg
// already contains one past the last color register.
- shader.AddLine("gl_FragDepth = " + regs.GetRegisterAsFloat(current_reg + 1) + ';');
+
+ shader.AddLine(
+ "gl_FragDepth = " +
+ regs.GetRegisterAsFloat(static_cast<Tegra::Shader::Register>(current_reg) + 1) +
+ ';');
}
}
@@ -1434,7 +1439,7 @@ private:
if (instr.alu_integer.negate_b)
op_b = "-(" + op_b + ')';
- std::string shift = std::to_string(instr.alu_integer.shift_amount.Value());
+ const std::string shift = std::to_string(instr.alu_integer.shift_amount.Value());
regs.SetRegisterToInteger(instr.gpr0, true, 0,
"((" + op_a + " << " + shift + ") + " + op_b + ')', 1, 1);
@@ -1452,7 +1457,7 @@ private:
case OpCode::Id::SEL_C:
case OpCode::Id::SEL_R:
case OpCode::Id::SEL_IMM: {
- std::string condition =
+ const std::string condition =
GetPredicateCondition(instr.sel.pred, instr.sel.neg_pred != 0);
regs.SetRegisterToInteger(instr.gpr0, true, 0,
'(' + condition + ") ? " + op_a + " : " + op_b, 1, 1);
@@ -1474,8 +1479,9 @@ private:
case OpCode::Id::LOP3_C:
case OpCode::Id::LOP3_R:
case OpCode::Id::LOP3_IMM: {
- std::string op_c = regs.GetRegisterAsInteger(instr.gpr39);
+ const std::string op_c = regs.GetRegisterAsInteger(instr.gpr39);
std::string lut;
+
if (opcode->GetId() == OpCode::Id::LOP3_R) {
lut = '(' + std::to_string(instr.alu.lop3.GetImmLut28()) + ')';
} else {
@@ -1490,9 +1496,9 @@ private:
case OpCode::Id::IMNMX_IMM: {
ASSERT_MSG(instr.imnmx.exchange == Tegra::Shader::IMinMaxExchange::None,
"Unimplemented");
- std::string condition =
+ const std::string condition =
GetPredicateCondition(instr.imnmx.pred, instr.imnmx.negate_pred != 0);
- std::string parameters = op_a + ',' + op_b;
+ const std::string parameters = op_a + ',' + op_b;
regs.SetRegisterToInteger(instr.gpr0, instr.imnmx.is_signed, 0,
'(' + condition + ") ? min(" + parameters + ") : max(" +
parameters + ')',
@@ -1509,7 +1515,7 @@ private:
break;
}
case OpCode::Type::Ffma: {
- std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
std::string op_b = instr.ffma.negate_b ? "-" : "";
std::string op_c = instr.ffma.negate_c ? "-" : "";
@@ -1719,7 +1725,7 @@ private:
shader.AddLine("uint index = (" + regs.GetRegisterAsInteger(instr.gpr8, 0, false) +
" / 4) & (MAX_CONSTBUFFER_ELEMENTS - 1);");
- std::string op_a =
+ const std::string op_a =
regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 0, "index",
GLSLRegister::Type::Float);
@@ -1729,7 +1735,7 @@ private:
break;
case Tegra::Shader::UniformType::Double: {
- std::string op_b =
+ const std::string op_b =
regs.GetUniformIndirect(instr.cbuf36.index, instr.cbuf36.offset + 4,
"index", GLSLRegister::Type::Float);
regs.SetRegisterToFloat(instr.gpr0, 0, op_a, 1, 1);
@@ -1753,10 +1759,35 @@ private:
break;
}
case OpCode::Id::TEX: {
- 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);
- const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
+ ASSERT_MSG(instr.tex.array == 0, "TEX arrays unimplemented");
+ Tegra::Shader::TextureType texture_type{instr.tex.texture_type};
+ std::string coord;
+
+ switch (texture_type) {
+ case Tegra::Shader::TextureType::Texture1D: {
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ coord = "float coords = " + x + ';';
+ break;
+ }
+ case Tegra::Shader::TextureType::Texture2D: {
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ break;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
+ static_cast<u32>(texture_type));
+ UNREACHABLE();
+
+ // Fallback to interpreting as a 2D texture for now
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ texture_type = Tegra::Shader::TextureType::Texture2D;
+ }
+
+ const std::string sampler = GetSampler(instr.sampler, texture_type, false);
// Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction.
shader.AddLine("{");
@@ -1778,20 +1809,65 @@ private:
break;
}
case OpCode::Id::TEXS: {
- 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);
- const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
+ std::string coord;
+ Tegra::Shader::TextureType texture_type{instr.texs.GetTextureType()};
+ bool is_array{instr.texs.IsArrayTexture()};
+
+ switch (texture_type) {
+ case Tegra::Shader::TextureType::Texture2D: {
+ if (is_array) {
+ const std::string index = regs.GetRegisterAsInteger(instr.gpr8);
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec3 coords = vec3(" + x + ", " + y + ", " + index + ");";
+ } else {
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ }
+ break;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
+ static_cast<u32>(texture_type));
+ UNREACHABLE();
+ // Fallback to interpreting as a 2D texture for now
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr20);
+ coord = "vec2 coords = vec2(" + x + ", " + y + ");";
+ texture_type = Tegra::Shader::TextureType::Texture2D;
+ is_array = false;
+ }
+ const std::string sampler = GetSampler(instr.sampler, texture_type, is_array);
const std::string texture = "texture(" + sampler + ", coords)";
WriteTexsInstruction(instr, coord, texture);
break;
}
case OpCode::Id::TLDS: {
- const std::string op_a = regs.GetRegisterAsInteger(instr.gpr8);
- const std::string op_b = regs.GetRegisterAsInteger(instr.gpr20);
- const std::string sampler = GetSampler(instr.sampler);
- const std::string coord = "ivec2 coords = ivec2(" + op_a + ", " + op_b + ");";
+ ASSERT(instr.tlds.GetTextureType() == Tegra::Shader::TextureType::Texture2D);
+ ASSERT(instr.tlds.IsArrayTexture() == false);
+ std::string coord;
+
+ switch (instr.tlds.GetTextureType()) {
+ case Tegra::Shader::TextureType::Texture2D: {
+ if (instr.tlds.IsArrayTexture()) {
+ LOG_CRITICAL(HW_GPU, "Unhandled 2d array texture");
+ UNREACHABLE();
+ } else {
+ const std::string x = regs.GetRegisterAsInteger(instr.gpr8);
+ const std::string y = regs.GetRegisterAsInteger(instr.gpr20);
+ coord = "ivec2 coords = ivec2(" + x + ", " + y + ");";
+ }
+ break;
+ }
+ default:
+ LOG_CRITICAL(HW_GPU, "Unhandled texture type {}",
+ static_cast<u32>(instr.tlds.GetTextureType()));
+ UNREACHABLE();
+ }
+ const std::string sampler = GetSampler(instr.sampler, instr.tlds.GetTextureType(),
+ instr.tlds.IsArrayTexture());
const std::string texture = "texelFetch(" + sampler + ", coords, 0)";
WriteTexsInstruction(instr, coord, texture);
break;
@@ -1799,12 +1875,12 @@ private:
case OpCode::Id::TLD4: {
ASSERT(instr.tld4.texture_type == Tegra::Shader::TextureType::Texture2D);
ASSERT(instr.tld4.array == 0);
- std::string coord{};
+ std::string coord;
switch (instr.tld4.texture_type) {
case Tegra::Shader::TextureType::Texture2D: {
- std::string x = regs.GetRegisterAsFloat(instr.gpr8);
- std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
+ const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
+ const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
coord = "vec2 coords = vec2(" + x + ", " + y + ");";
break;
}
@@ -1814,7 +1890,8 @@ private:
UNREACHABLE();
}
- const std::string sampler = GetSampler(instr.sampler);
+ const std::string sampler =
+ GetSampler(instr.sampler, instr.tld4.texture_type, false);
// Add an extra scope and declare the texture coords inside to prevent
// overwriting them in case they are used as outputs of the texs instruction.
shader.AddLine("{");
@@ -1840,13 +1917,34 @@ private:
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
- const std::string sampler = GetSampler(instr.sampler);
+ const std::string sampler =
+ GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false);
const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");";
const std::string texture = "textureGather(" + sampler + ", coords, " +
std::to_string(instr.tld4s.component) + ')';
WriteTexsInstruction(instr, coord, texture);
break;
}
+ case OpCode::Id::TXQ: {
+ // TODO: the new commits on the texture refactor, change the way samplers work.
+ // Sadly, not all texture instructions specify the type of texture their sampler
+ // uses. This must be fixed at a later instance.
+ const std::string sampler =
+ GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false);
+ switch (instr.txq.query_type) {
+ case Tegra::Shader::TextureQueryType::Dimension: {
+ const std::string texture = "textureQueryLevels(" + sampler + ')';
+ regs.SetRegisterToInteger(instr.gpr0, true, 0, texture, 1, 1);
+ break;
+ }
+ default: {
+ LOG_CRITICAL(HW_GPU, "Unhandled texture query type: {}",
+ static_cast<u32>(instr.txq.query_type.Value()));
+ UNREACHABLE();
+ }
+ }
+ break;
+ }
default: {
LOG_CRITICAL(HW_GPU, "Unhandled memory instruction: {}", opcode->GetName());
UNREACHABLE();
@@ -1886,12 +1984,12 @@ private:
// We can't use the constant predicate as destination.
ASSERT(instr.fsetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
- std::string second_pred =
+ const std::string second_pred =
GetPredicateCondition(instr.fsetp.pred39, instr.fsetp.neg_pred != 0);
- std::string combiner = GetPredicateCombiner(instr.fsetp.op);
+ const std::string combiner = GetPredicateCombiner(instr.fsetp.op);
- std::string predicate = GetPredicateComparison(instr.fsetp.cond, op_a, op_b);
+ const std::string predicate = GetPredicateComparison(instr.fsetp.cond, op_a, op_b);
// Set the primary predicate to the result of Predicate OP SecondPredicate
SetPredicate(instr.fsetp.pred3,
'(' + predicate + ") " + combiner + " (" + second_pred + ')');
@@ -1905,7 +2003,8 @@ private:
break;
}
case OpCode::Type::IntegerSetPredicate: {
- std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, instr.isetp.is_signed);
+ const std::string op_a =
+ regs.GetRegisterAsInteger(instr.gpr8, 0, instr.isetp.is_signed);
std::string op_b;
if (instr.is_b_imm) {
@@ -1922,12 +2021,12 @@ private:
// We can't use the constant predicate as destination.
ASSERT(instr.isetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
- std::string second_pred =
+ const std::string second_pred =
GetPredicateCondition(instr.isetp.pred39, instr.isetp.neg_pred != 0);
- std::string combiner = GetPredicateCombiner(instr.isetp.op);
+ const std::string combiner = GetPredicateCombiner(instr.isetp.op);
- std::string predicate = GetPredicateComparison(instr.isetp.cond, op_a, op_b);
+ const std::string predicate = GetPredicateComparison(instr.isetp.cond, op_a, op_b);
// Set the primary predicate to the result of Predicate OP SecondPredicate
SetPredicate(instr.isetp.pred3,
'(' + predicate + ") " + combiner + " (" + second_pred + ')');
@@ -1941,20 +2040,20 @@ private:
break;
}
case OpCode::Type::PredicateSetPredicate: {
- std::string op_a =
+ const std::string op_a =
GetPredicateCondition(instr.psetp.pred12, instr.psetp.neg_pred12 != 0);
- std::string op_b =
+ const std::string op_b =
GetPredicateCondition(instr.psetp.pred29, instr.psetp.neg_pred29 != 0);
// We can't use the constant predicate as destination.
ASSERT(instr.psetp.pred3 != static_cast<u64>(Pred::UnusedIndex));
- std::string second_pred =
+ const std::string second_pred =
GetPredicateCondition(instr.psetp.pred39, instr.psetp.neg_pred39 != 0);
- std::string combiner = GetPredicateCombiner(instr.psetp.op);
+ const std::string combiner = GetPredicateCombiner(instr.psetp.op);
- std::string predicate =
+ const std::string predicate =
'(' + op_a + ") " + GetPredicateCombiner(instr.psetp.cond) + " (" + op_b + ')';
// Set the primary predicate to the result of Predicate OP SecondPredicate
@@ -1980,7 +2079,7 @@ private:
std::string op_b = instr.fset.neg_b ? "-" : "";
if (instr.is_b_imm) {
- std::string imm = GetImmediate19(instr);
+ const std::string imm = GetImmediate19(instr);
if (instr.fset.neg_imm)
op_b += "(-" + imm + ')';
else
@@ -2000,13 +2099,14 @@ private:
// The fset instruction sets a register to 1.0 or -1 (depending on the bf bit) if the
// condition is true, and to 0 otherwise.
- std::string second_pred =
+ const std::string second_pred =
GetPredicateCondition(instr.fset.pred39, instr.fset.neg_pred != 0);
- std::string combiner = GetPredicateCombiner(instr.fset.op);
+ const std::string combiner = GetPredicateCombiner(instr.fset.op);
- std::string predicate = "((" + GetPredicateComparison(instr.fset.cond, op_a, op_b) +
- ") " + combiner + " (" + second_pred + "))";
+ const std::string predicate = "((" +
+ GetPredicateComparison(instr.fset.cond, op_a, op_b) +
+ ") " + combiner + " (" + second_pred + "))";
if (instr.fset.bf) {
regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1);
@@ -2017,7 +2117,7 @@ private:
break;
}
case OpCode::Type::IntegerSet: {
- std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, instr.iset.is_signed);
+ const std::string op_a = regs.GetRegisterAsInteger(instr.gpr8, 0, instr.iset.is_signed);
std::string op_b;
@@ -2034,13 +2134,14 @@ private:
// The iset instruction sets a register to 1.0 or -1 (depending on the bf bit) if the
// condition is true, and to 0 otherwise.
- std::string second_pred =
+ const std::string second_pred =
GetPredicateCondition(instr.iset.pred39, instr.iset.neg_pred != 0);
- std::string combiner = GetPredicateCombiner(instr.iset.op);
+ const std::string combiner = GetPredicateCombiner(instr.iset.op);
- std::string predicate = "((" + GetPredicateComparison(instr.iset.cond, op_a, op_b) +
- ") " + combiner + " (" + second_pred + "))";
+ const std::string predicate = "((" +
+ GetPredicateComparison(instr.iset.cond, op_a, op_b) +
+ ") " + combiner + " (" + second_pred + "))";
if (instr.iset.bf) {
regs.SetRegisterToFloat(instr.gpr0, 0, predicate + " ? 1.0 : 0.0", 1, 1);
@@ -2190,7 +2291,7 @@ private:
case OpCode::Id::BRA: {
ASSERT_MSG(instr.bra.constant_buffer == 0,
"BRA with constant buffers are not implemented");
- u32 target = offset + instr.bra.GetBranchTarget();
+ const u32 target = offset + instr.bra.GetBranchTarget();
shader.AddLine("{ jmp_to = " + std::to_string(target) + "u; break; }");
break;
}
@@ -2214,7 +2315,7 @@ private:
// has a similar structure to the BRA opcode.
ASSERT_MSG(instr.bra.constant_buffer == 0, "Constant buffer SSY is not supported");
- u32 target = offset + instr.bra.GetBranchTarget();
+ const u32 target = offset + instr.bra.GetBranchTarget();
EmitPushToSSYStack(target);
break;
}
@@ -2308,10 +2409,10 @@ private:
shader.AddLine("case " + std::to_string(label) + "u: {");
++shader.scope;
- auto next_it = labels.lower_bound(label + 1);
- u32 next_label = next_it == labels.end() ? subroutine.end : *next_it;
+ const auto next_it = labels.lower_bound(label + 1);
+ const u32 next_label = next_it == labels.end() ? subroutine.end : *next_it;
- u32 compile_end = CompileRange(label, next_label);
+ const u32 compile_end = CompileRange(label, next_label);
if (compile_end > next_label && compile_end != PROGRAM_END) {
// This happens only when there is a label inside a IF/LOOP block
shader.AddLine(" jmp_to = " + std::to_string(compile_end) + "u; break; }");
@@ -2374,7 +2475,8 @@ boost::optional<ProgramResult> DecompileProgram(const ProgramCode& program_code,
Maxwell3D::Regs::ShaderStage stage,
const std::string& suffix) {
try {
- auto subroutines = ControlFlowAnalyzer(program_code, main_offset, suffix).GetSubroutines();
+ const auto subroutines =
+ ControlFlowAnalyzer(program_code, main_offset, suffix).GetSubroutines();
GLSLGenerator generator(subroutines, program_code, main_offset, stage, suffix);
return ProgramResult{generator.GetShaderCode(), generator.GetEntries()};
} catch (const DecompileFail& exception) {
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-19 00:56:23 +0200