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HLSL: Smear scalars to match vectors for relational operations.

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Yield a vector relational compare and a vector result.
This commit is contained in:
John Kessenich 2016-08-07 19:14:22 -06:00
parent 267590d452
commit 4583b61e20
6 changed files with 168 additions and 22 deletions
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6
SPIRV/GlslangToSpv.cpp
View File

@ -3082,11 +3082,9 @@ spv::Id TGlslangToSpvTraverser::createBinaryOperation(glslang::TOperator op, spv
// Handle comparison instructions
if (reduceComparison && (builder.isVector(left) || builder.isMatrix(left) || builder.isAggregate(left))) {
assert(op == glslang::EOpEqual || op == glslang::EOpNotEqual);
if (reduceComparison && (op == glslang::EOpEqual || op == glslang::EOpNotEqual)
&& (builder.isVector(left) || builder.isMatrix(left) || builder.isAggregate(left)))
return builder.createCompositeCompare(precision, left, right, op == glslang::EOpEqual);
}
switch (op) {
case glslang::EOpLessThan:

131
Test/baseResults/hlsl.shapeConv.frag.out
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@ -2,7 +2,7 @@ hlsl.shapeConv.frag
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:14 Function Definition: PixelShaderFunction(vf4;f1; (global 4-component vector of float)
0:23 Function Definition: PixelShaderFunction(vf4;f1; (global 4-component vector of float)
0:2 Function Parameters:
0:2 'input' (in 4-component vector of float)
0:2 'f' (in float)
@ -42,8 +42,48 @@ gl_FragCoord origin is upper left
0:10 Construct vec3 (temp 3-component vector of float)
0:10 Construct float (temp float)
0:10 'f' (in float)
0:12 Branch: Return with expression
0:12 'input' (in 4-component vector of float)
0:11 Sequence
0:11 move second child to first child (temp 2-component vector of float)
0:11 'w' (temp 2-component vector of float)
0:11 Constant:
0:11 2.000000
0:11 2.000000
0:12 Sequence
0:12 move second child to first child (temp float)
0:12 'V' (temp float)
0:12 Constant:
0:12 1.000000
0:13 Sequence
0:13 move second child to first child (temp 3-component vector of float)
0:13 'MyVal' (temp 3-component vector of float)
0:13 Construct vec3 (temp 3-component vector of float)
0:13 'V' (temp float)
0:16 Compare Greater Than (temp bool)
0:16 'foo' (temp 3-component vector of float)
0:16 Constant:
0:16 4.000000
0:16 4.000000
0:16 4.000000
0:17 Compare Greater Than or Equal (temp bool)
0:17 'foo' (temp 3-component vector of float)
0:17 Constant:
0:17 5.000000
0:17 5.000000
0:17 5.000000
0:18 Compare Less Than (temp bool)
0:18 Constant:
0:18 6.000000
0:18 6.000000
0:18 6.000000
0:18 'foo' (temp 3-component vector of float)
0:19 Compare Less Than or Equal (temp bool)
0:19 Constant:
0:19 7.000000
0:19 7.000000
0:19 7.000000
0:19 'foo' (temp 3-component vector of float)
0:21 Branch: Return with expression
0:21 'input' (in 4-component vector of float)
0:? Linker Objects
@ -53,7 +93,7 @@ Linked fragment stage:
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:14 Function Definition: PixelShaderFunction(vf4;f1; (global 4-component vector of float)
0:23 Function Definition: PixelShaderFunction(vf4;f1; (global 4-component vector of float)
0:2 Function Parameters:
0:2 'input' (in 4-component vector of float)
0:2 'f' (in float)
@ -93,13 +133,53 @@ gl_FragCoord origin is upper left
0:10 Construct vec3 (temp 3-component vector of float)
0:10 Construct float (temp float)
0:10 'f' (in float)
0:12 Branch: Return with expression
0:12 'input' (in 4-component vector of float)
0:11 Sequence
0:11 move second child to first child (temp 2-component vector of float)
0:11 'w' (temp 2-component vector of float)
0:11 Constant:
0:11 2.000000
0:11 2.000000
0:12 Sequence
0:12 move second child to first child (temp float)
0:12 'V' (temp float)
0:12 Constant:
0:12 1.000000
0:13 Sequence
0:13 move second child to first child (temp 3-component vector of float)
0:13 'MyVal' (temp 3-component vector of float)
0:13 Construct vec3 (temp 3-component vector of float)
0:13 'V' (temp float)
0:16 Compare Greater Than (temp bool)
0:16 'foo' (temp 3-component vector of float)
0:16 Constant:
0:16 4.000000
0:16 4.000000
0:16 4.000000
0:17 Compare Greater Than or Equal (temp bool)
0:17 'foo' (temp 3-component vector of float)
0:17 Constant:
0:17 5.000000
0:17 5.000000
0:17 5.000000
0:18 Compare Less Than (temp bool)
0:18 Constant:
0:18 6.000000
0:18 6.000000
0:18 6.000000
0:18 'foo' (temp 3-component vector of float)
0:19 Compare Less Than or Equal (temp bool)
0:19 Constant:
0:19 7.000000
0:19 7.000000
0:19 7.000000
0:19 'foo' (temp 3-component vector of float)
0:21 Branch: Return with expression
0:21 'input' (in 4-component vector of float)
0:? Linker Objects
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 32
// Id's are bound by 58
Capability Shader
1: ExtInstImport "GLSL.std.450"
@ -113,6 +193,10 @@ gl_FragCoord origin is upper left
Name 12 "f"
Name 15 "v"
Name 24 "u"
Name 31 "w"
Name 33 "V"
Name 34 "MyVal"
Name 37 "foo"
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
@ -128,6 +212,18 @@ gl_FragCoord origin is upper left
23: TypePointer Function 22(fvec3)
25: 22(fvec3) ConstantComposite 16 16 16
26: 22(fvec3) ConstantComposite 18 18 18
29: TypeVector 6(float) 2
30: TypePointer Function 29(fvec2)
32: 29(fvec2) ConstantComposite 18 18
39: 6(float) Constant 1082130432
40: 22(fvec3) ConstantComposite 39 39 39
41: TypeBool
44: 6(float) Constant 1084227584
45: 22(fvec3) ConstantComposite 44 44 44
47: 6(float) Constant 1086324736
48: 22(fvec3) ConstantComposite 47 47 47
51: 6(float) Constant 1088421888
52: 22(fvec3) ConstantComposite 51 51 51
4(main): 2 Function None 3
5: Label
FunctionEnd
@ -137,6 +233,10 @@ gl_FragCoord origin is upper left
14: Label
15(v): 8(ptr) Variable Function
24(u): 23(ptr) Variable Function
31(w): 30(ptr) Variable Function
33(V): 9(ptr) Variable Function
34(MyVal): 23(ptr) Variable Function
37(foo): 23(ptr) Variable Function
Store 15(v) 17
Store 15(v) 19
20: 6(float) Load 12(f)
@ -147,6 +247,19 @@ gl_FragCoord origin is upper left
27: 6(float) Load 12(f)
28: 22(fvec3) CompositeConstruct 27 27 27
Store 24(u) 28
29: 7(fvec4) Load 11(input)
ReturnValue 29
Store 31(w) 32
Store 33(V) 16
35: 6(float) Load 33(V)
36: 22(fvec3) CompositeConstruct 35 35 35
Store 34(MyVal) 36
38: 22(fvec3) Load 37(foo)
42: 41(bool) FOrdGreaterThan 38 40
43: 22(fvec3) Load 37(foo)
46: 41(bool) FOrdGreaterThanEqual 43 45
49: 22(fvec3) Load 37(foo)
50: 41(bool) FOrdLessThan 48 49
53: 22(fvec3) Load 37(foo)
54: 41(bool) FOrdLessThanEqual 52 53
55: 7(fvec4) Load 11(input)
ReturnValue 55
FunctionEnd

9
Test/hlsl.shapeConv.frag
View File

@ -8,6 +8,15 @@ float4 PixelShaderFunction(float4 input, float f) : COLOR0
u = float(1);
u = float(2.0);
u = float(f);
float2 w = 2.0;
float V = 1;
float3 MyVal = V;
float3 foo;
foo > 4.0;
foo >= 5.0;
6.0 < foo;
7.0 <= foo;
return input;
}

4
glslang/Include/revision.h
View File

@ -2,5 +2,5 @@
// For the version, it uses the latest git tag followed by the number of commits.
// For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "SPIRV99.1390"
#define GLSLANG_DATE "05-Aug-2016"
#define GLSLANG_REVISION "SPIRV99.1391"
#define GLSLANG_DATE "07-Aug-2016"

17
glslang/MachineIndependent/Intermediate.cpp
View File

@ -118,6 +118,10 @@ TIntermTyped* TIntermediate::addBinaryMath(TOperator op, TIntermTyped* left, TIn
return 0;
}
// Convert the children's type shape to be compatible.
right = addShapeConversion(op, left->getType(), right);
left = addShapeConversion(op, right->getType(), left);
//
// Need a new node holding things together. Make
// one and promote it to the right type.
@ -694,6 +698,10 @@ TIntermTyped* TIntermediate::addShapeConversion(TOperator op, const TType& type,
// some operations don't do this
switch (op) {
case EOpAssign:
case EOpLessThan:
case EOpGreaterThan:
case EOpLessThanEqual:
case EOpGreaterThanEqual:
break;
default:
return node;
@ -705,7 +713,6 @@ TIntermTyped* TIntermediate::addShapeConversion(TOperator op, const TType& type,
return node;
// The new node that handles the conversion
TIntermTyped* conversionNode = node;
TOperator constructorOp = mapTypeToConstructorOp(type);
// scalar -> smeared -> vector
@ -1624,11 +1631,11 @@ bool TIntermBinary::promote()
case EOpGreaterThan:
case EOpLessThanEqual:
case EOpGreaterThanEqual:
// Relational comparisons need matching numeric types and will promote to scalar Boolean.
if (left->getBasicType() == EbtBool || left->getType().isVector() || left->getType().isMatrix())
// Relational comparisons need numeric types and will promote to scalar Boolean.
if (left->getBasicType() == EbtBool)
return false;
// Fall through
setType(TType(EbtBool));
break;
case EOpEqual:
case EOpNotEqual:

23
glslang/MachineIndependent/ParseHelper.cpp
View File

@ -761,13 +761,32 @@ void TParseContext::checkIoArrayConsistency(const TSourceLoc& loc, int requiredS
}
// Handle seeing a binary node with a math operation.
// Returns nullptr if not semantically allowed.
TIntermTyped* TParseContext::handleBinaryMath(const TSourceLoc& loc, const char* str, TOperator op, TIntermTyped* left, TIntermTyped* right)
{
rValueErrorCheck(loc, str, left->getAsTyped());
rValueErrorCheck(loc, str, right->getAsTyped());
TIntermTyped* result = intermediate.addBinaryMath(op, left, right, loc);
if (! result)
bool allowed = true;
switch (op) {
// TODO: Bring more source language-specific checks up from intermediate.cpp
// to the specific parse helpers for that source language.
case EOpLessThan:
case EOpGreaterThan:
case EOpLessThanEqual:
case EOpGreaterThanEqual:
if (! left->isScalar() || ! right->isScalar())
allowed = false;
break;
default:
break;
}
TIntermTyped* result = nullptr;
if (allowed)
result = intermediate.addBinaryMath(op, left, right, loc);
if (result == nullptr)
binaryOpError(loc, str, left->getCompleteString(), right->getCompleteString());
return result;