mewin/glslang
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

HLSL: Smear scalars to match vectors for relational operations.

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
SPIRV/GlslangToSpv.cpp
View File

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

131
Test/baseResults/hlsl.shapeConv.frag.out
View File

@ -2,7 +2,7 @@ hlsl.shapeConv.frag
Shader version: 450 Shader version: 450
gl_FragCoord origin is upper left gl_FragCoord origin is upper left
0:? Sequence 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 Function Parameters:
0:2 'input' (in 4-component vector of float) 0:2 'input' (in 4-component vector of float)
0:2 'f' (in 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 vec3 (temp 3-component vector of float)
0:10 Construct float (temp float) 0:10 Construct float (temp float)
0:10 'f' (in float) 0:10 'f' (in float)
0:12 Branch: Return with expression 0:11 Sequence
0:12 'input' (in 4-component vector of float) 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 0:? Linker Objects
@ -53,7 +93,7 @@ Linked fragment stage:
Shader version: 450 Shader version: 450
gl_FragCoord origin is upper left gl_FragCoord origin is upper left
0:? Sequence 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 Function Parameters:
0:2 'input' (in 4-component vector of float) 0:2 'input' (in 4-component vector of float)
0:2 'f' (in 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 vec3 (temp 3-component vector of float)
0:10 Construct float (temp float) 0:10 Construct float (temp float)
0:10 'f' (in float) 0:10 'f' (in float)
0:12 Branch: Return with expression 0:11 Sequence
0:12 'input' (in 4-component vector of float) 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 0:? Linker Objects
// Module Version 10000 // Module Version 10000
// Generated by (magic number): 80001 // Generated by (magic number): 80001
// Id's are bound by 32 // Id's are bound by 58
Capability Shader Capability Shader
1: ExtInstImport "GLSL.std.450" 1: ExtInstImport "GLSL.std.450"
@ -113,6 +193,10 @@ gl_FragCoord origin is upper left
Name 12 "f" Name 12 "f"
Name 15 "v" Name 15 "v"
Name 24 "u" Name 24 "u"
Name 31 "w"
Name 33 "V"
Name 34 "MyVal"
Name 37 "foo"
2: TypeVoid 2: TypeVoid
3: TypeFunction 2 3: TypeFunction 2
6: TypeFloat 32 6: TypeFloat 32
@ -128,6 +212,18 @@ gl_FragCoord origin is upper left
23: TypePointer Function 22(fvec3) 23: TypePointer Function 22(fvec3)
25: 22(fvec3) ConstantComposite 16 16 16 25: 22(fvec3) ConstantComposite 16 16 16
26: 22(fvec3) ConstantComposite 18 18 18 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 4(main): 2 Function None 3
5: Label 5: Label
FunctionEnd FunctionEnd
@ -137,6 +233,10 @@ gl_FragCoord origin is upper left
14: Label 14: Label
15(v): 8(ptr) Variable Function 15(v): 8(ptr) Variable Function
24(u): 23(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) 17
Store 15(v) 19 Store 15(v) 19
20: 6(float) Load 12(f) 20: 6(float) Load 12(f)
@ -147,6 +247,19 @@ gl_FragCoord origin is upper left
27: 6(float) Load 12(f) 27: 6(float) Load 12(f)
28: 22(fvec3) CompositeConstruct 27 27 27 28: 22(fvec3) CompositeConstruct 27 27 27
Store 24(u) 28 Store 24(u) 28
29: 7(fvec4) Load 11(input) Store 31(w) 32
ReturnValue 29 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 FunctionEnd

9
Test/hlsl.shapeConv.frag
View File

@ -8,6 +8,15 @@ float4 PixelShaderFunction(float4 input, float f) : COLOR0
u = float(1); u = float(1);
u = float(2.0); u = float(2.0);
u = float(f); 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; 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 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). // For the date, it uses the current date (when then script is run).
#define GLSLANG_REVISION "SPIRV99.1390" #define GLSLANG_REVISION "SPIRV99.1391"
#define GLSLANG_DATE "05-Aug-2016" #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; 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 // Need a new node holding things together. Make
// one and promote it to the right type. // 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 // some operations don't do this
switch (op) { switch (op) {
case EOpAssign: case EOpAssign:
case EOpLessThan:
case EOpGreaterThan:
case EOpLessThanEqual:
case EOpGreaterThanEqual:
break; break;
default: default:
return node; return node;
@ -705,7 +713,6 @@ TIntermTyped* TIntermediate::addShapeConversion(TOperator op, const TType& type,
return node; return node;
// The new node that handles the conversion // The new node that handles the conversion
TIntermTyped* conversionNode = node;
TOperator constructorOp = mapTypeToConstructorOp(type); TOperator constructorOp = mapTypeToConstructorOp(type);
// scalar -> smeared -> vector // scalar -> smeared -> vector
@ -1624,11 +1631,11 @@ bool TIntermBinary::promote()
case EOpGreaterThan: case EOpGreaterThan:
case EOpLessThanEqual: case EOpLessThanEqual:
case EOpGreaterThanEqual: case EOpGreaterThanEqual:
// Relational comparisons need matching numeric types and will promote to scalar Boolean. // Relational comparisons need numeric types and will promote to scalar Boolean.
if (left->getBasicType() == EbtBool || left->getType().isVector() || left->getType().isMatrix()) if (left->getBasicType() == EbtBool)
return false; return false;
setType(TType(EbtBool));
// Fall through break;
case EOpEqual: case EOpEqual:
case EOpNotEqual: 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. // 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) TIntermTyped* TParseContext::handleBinaryMath(const TSourceLoc& loc, const char* str, TOperator op, TIntermTyped* left, TIntermTyped* right)
{ {
rValueErrorCheck(loc, str, left->getAsTyped()); rValueErrorCheck(loc, str, left->getAsTyped());
rValueErrorCheck(loc, str, right->getAsTyped()); rValueErrorCheck(loc, str, right->getAsTyped());
TIntermTyped* result = intermediate.addBinaryMath(op, left, right, loc); bool allowed = true;
if (! result) 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()); binaryOpError(loc, str, left->getCompleteString(), right->getCompleteString());
return result; return result;