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shader_decode: Rework HSETP2

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This commit is contained in:
ReinUsesLisp
2018-12-23 20:59:49 -03:00
parent 8332482c24
commit 2df55985b6
4 changed files with 58 additions and 48 deletions
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8
src/video_core/shader/decode/half_set_predicate.cpp
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@@ -39,10 +39,12 @@ u32 ShaderIR::DecodeHalfSetPredicate(BasicBlock& bb, u32 pc) {
const Node second_pred = GetPredicate(instr.hsetp2.pred39, instr.hsetp2.neg_pred != 0);
const OperationCode combiner = GetPredicateCombiner(instr.hsetp2.op);
const OperationCode pair_combiner =
instr.hsetp2.h_and ? OperationCode::LogicalAll2 : OperationCode::LogicalAny2;
MetaHalfArithmetic meta = {
false, {instr.hsetp2.type_a, instr.hsetp2.type_b}, instr.hsetp2.h_and != 0};
const Node first_pred = GetPredicateComparisonHalf(instr.hsetp2.cond, meta, op_a, op_b);
MetaHalfArithmetic meta = {false, {instr.hsetp2.type_a, instr.hsetp2.type_b}};
const Node comparison = GetPredicateComparisonHalf(instr.hsetp2.cond, meta, op_a, op_b);
const Node first_pred = Operation(pair_combiner, comparison);
// Set the primary predicate to the result of Predicate OP SecondPredicate
const Node value = Operation(combiner, first_pred, second_pred);

61
src/video_core/shader/glsl_decompiler.cpp
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@@ -31,7 +31,7 @@ using Operation = const OperationNode&;
enum : u32 { POSITION_VARYING_LOCATION = 0, GENERIC_VARYING_START_LOCATION = 1 };
constexpr u32 MAX_CONSTBUFFER_ELEMENTS = 65536 / 16; // TODO(Rodrigo): Use rasterizer's value
enum class Type { Bool, Float, Int, Uint, HalfFloat };
enum class Type { Bool, Bool2, Float, Int, Uint, HalfFloat };
class ShaderWriter {
public:
@@ -541,6 +541,7 @@ private:
switch (type) {
case Type::Bool:
case Type::Bool2:
case Type::Float:
return value;
case Type::Int:
@@ -1011,38 +1012,42 @@ private:
return GenerateUnary(operation, "!", Type::Bool, Type::Bool, false);
}
std::string LogicalHComparison(Operation operation, const std::string& func) {
const auto& meta = std::get<MetaHalfArithmetic>(operation.GetMeta());
const std::string op_a = VisitOperand(operation, 0, Type::HalfFloat);
const std::string op_b = VisitOperand(operation, 1, Type::HalfFloat);
std::string value = meta.and_comparison ? "all" : "any";
value += '(' + func + '(' + op_a + ", " + op_b + "))";
return value;
std::string LogicalAll2(Operation operation) {
return GenerateUnary(operation, "all", Type::Bool, Type::Bool2);
}
std::string LogicalHLessThan(Operation operation) {
return LogicalHComparison(operation, "lessThan");
std::string LogicalAny2(Operation operation) {
return GenerateUnary(operation, "any", Type::Bool, Type::Bool2);
}
std::string LogicalHEqual(Operation operation) {
return LogicalHComparison(operation, "equal");
std::string Logical2HLessThan(Operation operation) {
return GenerateBinaryCall(operation, "lessThan", Type::Bool2, Type::HalfFloat,
Type::HalfFloat);
}
std::string LogicalHLessEqual(Operation operation) {
return LogicalHComparison(operation, "lessThanEqual");
std::string Logical2HEqual(Operation operation) {
return GenerateBinaryCall(operation, "equal", Type::Bool2, Type::HalfFloat,
Type::HalfFloat);
}
std::string LogicalHGreaterThan(Operation operation) {
return LogicalHComparison(operation, "greaterThan");
std::string Logical2HLessEqual(Operation operation) {
return GenerateBinaryCall(operation, "lessThanEqual", Type::Bool2, Type::HalfFloat,
Type::HalfFloat);
}
std::string LogicalHNotEqual(Operation operation) {
return LogicalHComparison(operation, "notEqual");
std::string Logical2HGreaterThan(Operation operation) {
return GenerateBinaryCall(operation, "greaterThan", Type::Bool2, Type::HalfFloat,
Type::HalfFloat);
}
std::string LogicalHGreaterEqual(Operation operation) {
return LogicalHComparison(operation, "greaterThanEqual");
std::string Logical2HNotEqual(Operation operation) {
return GenerateBinaryCall(operation, "notEqual", Type::Bool2, Type::HalfFloat,
Type::HalfFloat);
}
std::string Logical2HGreaterEqual(Operation operation) {
return GenerateBinaryCall(operation, "greaterThanEqual", Type::Bool2, Type::HalfFloat,
Type::HalfFloat);
}
std::string F4Texture(Operation operation) {
@@ -1301,6 +1306,8 @@ private:
&LogicalOr,
&LogicalXor,
&LogicalNegate,
&LogicalAll2,
&LogicalAny2,
&LogicalLessThan<Type::Float>,
&LogicalEqual<Type::Float>,
@@ -1324,12 +1331,12 @@ private:
&LogicalNotEqual<Type::Uint>,
&LogicalGreaterEqual<Type::Uint>,
&LogicalHLessThan,
&LogicalHEqual,
&LogicalHLessEqual,
&LogicalHGreaterThan,
&LogicalHNotEqual,
&LogicalHGreaterEqual,
&Logical2HLessThan,
&Logical2HEqual,
&Logical2HLessEqual,
&Logical2HGreaterThan,
&Logical2HNotEqual,
&Logical2HGreaterEqual,
&F4Texture,
&F4TextureLod,

22
src/video_core/shader/shader_ir.cpp
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@@ -289,17 +289,17 @@ Node ShaderIR::GetPredicateComparisonHalf(Tegra::Shader::PredCondition condition
"Unimplemented NaN comparison for half floats");
static const std::unordered_map<PredCondition, OperationCode> PredicateComparisonTable = {
{PredCondition::LessThan, OperationCode::LogicalHLessThan},
{PredCondition::Equal, OperationCode::LogicalHEqual},
{PredCondition::LessEqual, OperationCode::LogicalHLessEqual},
{PredCondition::GreaterThan, OperationCode::LogicalHGreaterThan},
{PredCondition::NotEqual, OperationCode::LogicalHNotEqual},
{PredCondition::GreaterEqual, OperationCode::LogicalHGreaterEqual},
{PredCondition::LessThanWithNan, OperationCode::LogicalHLessThan},
{PredCondition::NotEqualWithNan, OperationCode::LogicalHNotEqual},
{PredCondition::LessEqualWithNan, OperationCode::LogicalHLessEqual},
{PredCondition::GreaterThanWithNan, OperationCode::LogicalHGreaterThan},
{PredCondition::GreaterEqualWithNan, OperationCode::LogicalHGreaterEqual}};
{PredCondition::LessThan, OperationCode::Logical2HLessThan},
{PredCondition::Equal, OperationCode::Logical2HEqual},
{PredCondition::LessEqual, OperationCode::Logical2HLessEqual},
{PredCondition::GreaterThan, OperationCode::Logical2HGreaterThan},
{PredCondition::NotEqual, OperationCode::Logical2HNotEqual},
{PredCondition::GreaterEqual, OperationCode::Logical2HGreaterEqual},
{PredCondition::LessThanWithNan, OperationCode::Logical2HLessThan},
{PredCondition::NotEqualWithNan, OperationCode::Logical2HNotEqual},
{PredCondition::LessEqualWithNan, OperationCode::Logical2HLessEqual},
{PredCondition::GreaterThanWithNan, OperationCode::Logical2HGreaterThan},
{PredCondition::GreaterEqualWithNan, OperationCode::Logical2HGreaterEqual}};
const auto comparison{PredicateComparisonTable.find(condition)};
UNIMPLEMENTED_IF_MSG(comparison == PredicateComparisonTable.end(),

15
src/video_core/shader/shader_ir.h
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@@ -122,6 +122,8 @@ enum class OperationCode {
LogicalOr, /// (bool a, bool b) -> bool
LogicalXor, /// (bool a, bool b) -> bool
LogicalNegate, /// (bool a) -> bool
LogicalAll2, /// (bool2 a) -> bool
LogicalAny2, /// (bool2 a) -> bool
LogicalFLessThan, /// (float a, float b) -> bool
LogicalFEqual, /// (float a, float b) -> bool
@@ -145,12 +147,12 @@ enum class OperationCode {
LogicalUNotEqual, /// (uint a, uint b) -> bool
LogicalUGreaterEqual, /// (uint a, uint b) -> bool
LogicalHLessThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
LogicalHEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
LogicalHLessEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
LogicalHGreaterThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
LogicalHNotEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
LogicalHGreaterEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool
Logical2HLessThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HLessEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HGreaterThan, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HNotEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
Logical2HGreaterEqual, /// (MetaHalfArithmetic, f16vec2 a, f16vec2) -> bool2
F4Texture, /// (MetaTexture, float[N] coords, float[M] params) -> float4
F4TextureLod, /// (MetaTexture, float[N] coords, float[M] params) -> float4
@@ -263,7 +265,6 @@ struct MetaHalfArithmetic {
std::array<Tegra::Shader::HalfType, 3> types = {Tegra::Shader::HalfType::H0_H1,
Tegra::Shader::HalfType::H0_H1,
Tegra::Shader::HalfType::H0_H1};
bool and_comparison{};
};
struct MetaTexture {