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HLSL: Add function call syntax and AST building.

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This commit is contained in:
John Kessenich 2016-05-13 09:33:42 -06:00
parent 9db3117e38
commit 4678ca9dac
6 changed files with 83 additions and 25 deletions
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69
Test/baseResults/hlsl.frag.out
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@ -2,10 +2,27 @@ hlsl.frag
Shader version: 100
gl_FragCoord origin is upper left
0:? Sequence
0:12 Function Definition: PixelShaderFunction(vf4; (temp 4-component vector of float)
0:1 move second child to first child (temp 4-component vector of float)
0:1 'AmbientColor' (temp 4-component vector of float)
0:? Constant:
0:? 1.000000
0:? 0.500000
0:? 0.000000
0:? 1.000000
0:2 move second child to first child (temp float)
0:2 'AmbientIntensity' (temp float)
0:2 Constant:
0:2 0.100000
0:13 Function Definition: PixelShaderFunction(vf4; (temp 4-component vector of float)
0:5 Function Parameters:
0:5 'input' (temp 4-component vector of float)
0:? Sequence
0:6 Branch: Return with expression
0:6 add (temp 4-component vector of float)
0:6 vector-scale (temp 4-component vector of float)
0:6 'input' (temp 4-component vector of float)
0:6 'AmbientIntensity' (temp float)
0:6 'AmbientColor' (temp 4-component vector of float)
0:7 Branch: Return with expression
0:7 add (temp 4-component vector of float)
0:7 component-wise multiply (temp 4-component vector of float)
@ -36,7 +53,12 @@ gl_FragCoord origin is upper left
0:10 'input' (temp 4-component vector of float)
0:10 Pre-Increment (temp 4-component vector of float)
0:10 'input' (temp 4-component vector of float)
0:11 Branch: Return with expression
0:11 sine (global 4-component vector of float)
0:11 'input' (temp 4-component vector of float)
0:? Linker Objects
0:? 'AmbientColor' (temp 4-component vector of float)
0:? 'AmbientIntensity' (temp float)
Linked fragment stage:
@ -45,10 +67,27 @@ Linked fragment stage:
Shader version: 100
gl_FragCoord origin is upper left
0:? Sequence
0:12 Function Definition: PixelShaderFunction(vf4; (temp 4-component vector of float)
0:1 move second child to first child (temp 4-component vector of float)
0:1 'AmbientColor' (temp 4-component vector of float)
0:? Constant:
0:? 1.000000
0:? 0.500000
0:? 0.000000
0:? 1.000000
0:2 move second child to first child (temp float)
0:2 'AmbientIntensity' (temp float)
0:2 Constant:
0:2 0.100000
0:13 Function Definition: PixelShaderFunction(vf4; (temp 4-component vector of float)
0:5 Function Parameters:
0:5 'input' (temp 4-component vector of float)
0:? Sequence
0:6 Branch: Return with expression
0:6 add (temp 4-component vector of float)
0:6 vector-scale (temp 4-component vector of float)
0:6 'input' (temp 4-component vector of float)
0:6 'AmbientIntensity' (temp float)
0:6 'AmbientColor' (temp 4-component vector of float)
0:7 Branch: Return with expression
0:7 add (temp 4-component vector of float)
0:7 component-wise multiply (temp 4-component vector of float)
@ -79,11 +118,16 @@ gl_FragCoord origin is upper left
0:10 'input' (temp 4-component vector of float)
0:10 Pre-Increment (temp 4-component vector of float)
0:10 'input' (temp 4-component vector of float)
0:11 Branch: Return with expression
0:11 sine (global 4-component vector of float)
0:11 'input' (temp 4-component vector of float)
0:? Linker Objects
0:? 'AmbientColor' (temp 4-component vector of float)
0:? 'AmbientIntensity' (temp float)
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 45
// Id's are bound by 57
Capability Shader
1: ExtInstImport "GLSL.std.450"
@ -93,21 +137,24 @@ gl_FragCoord origin is upper left
Source HLSL 100
Name 4 "PixelShaderFunction"
Name 9 "input"
Name 12 "AmbientIntensity"
Name 15 "AmbientColor"
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypePointer Function 7(fvec4)
27: 6(float) Constant 1065353216
11: TypePointer Function 6(float)
36: 6(float) Constant 1065353216
4(PixelShaderFunction): 2 Function None 3
5: Label
9(input): 8(ptr) Variable Function
12(AmbientIntensity): 11(ptr) Variable Function
15(AmbientColor): 8(ptr) Variable Function
10: 7(fvec4) Load 9(input)
11: 7(fvec4) Load 9(input)
12: 7(fvec4) FMul 10 11
13: 7(fvec4) Load 9(input)
14: 7(fvec4) Load 9(input)
15: 7(fvec4) FMul 13 14
16: 7(fvec4) FAdd 12 15
ReturnValue 16
13: 6(float) Load 12(AmbientIntensity)
14: 7(fvec4) VectorTimesScalar 10 13
16: 7(fvec4) Load 15(AmbientColor)
17: 7(fvec4) FAdd 14 16
ReturnValue 17
FunctionEnd

7
Test/hlsl.frag
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@ -1,11 +1,12 @@
//float4 AmbientColor = float4(1, 0.5, 0, 1);
//float AmbientIntensity = 0.1;
float4 AmbientColor = float4(1, 0.5, 0, 1);
float AmbientIntensity = 0.1;
float4 PixelShaderFunction(float4 input) : COLOR0
{
// return input * AmbientIntensity + AmbientColor;
return input * AmbientIntensity + AmbientColor;
return input * input + input * input;
return input + input * input + input;
return ++input * -+-+--input;
return input++ + ++input;
return sin(input);
}

19
hlsl/hlslGrammar.cpp
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@ -608,7 +608,7 @@ bool HlslGrammar::acceptConstructor(TIntermTyped*& node)
return false;
// arguments
TIntermAggregate* arguments = nullptr;
TIntermTyped* arguments = nullptr;
if (! acceptArguments(constructorFunction, arguments)) {
expected("constructor arguments");
return false;
@ -628,10 +628,17 @@ bool HlslGrammar::acceptConstructor(TIntermTyped*& node)
// function_call
// : [idToken] arguments
//
bool HlslGrammar::acceptFunctionCall(HlslToken idToken, TIntermTyped*&)
bool HlslGrammar::acceptFunctionCall(HlslToken idToken, TIntermTyped*& node)
{
// todo
return false;
// arguments
TFunction* function = new TFunction(idToken.string, TType(EbtVoid));
TIntermTyped* arguments = nullptr;
if (! acceptArguments(function, arguments))
return false;
node = parseContext.handleFunctionCall(idToken.loc, function, arguments);
return true;
}
// arguments
@ -640,7 +647,7 @@ bool HlslGrammar::acceptFunctionCall(HlslToken idToken, TIntermTyped*&)
// The arguments are pushed onto the 'function' argument list and
// onto the 'arguments' aggregate.
//
bool HlslGrammar::acceptArguments(TFunction* function, TIntermAggregate*& arguments)
bool HlslGrammar::acceptArguments(TFunction* function, TIntermTyped*& arguments)
{
// LEFT_PAREN
if (! acceptTokenClass(EHTokLeftParen))
@ -649,7 +656,7 @@ bool HlslGrammar::acceptArguments(TFunction* function, TIntermAggregate*& argume
do {
// expression
TIntermTyped* arg;
if (! acceptExpression(arg))
if (! acceptAssignmentExpression(arg))
break;
// hook it up

2
hlsl/hlslGrammar.h
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@ -71,7 +71,7 @@ namespace glslang {
bool acceptPostfixExpression(TIntermTyped*&);
bool acceptConstructor(TIntermTyped*&);
bool acceptFunctionCall(HlslToken, TIntermTyped*&);
bool acceptArguments(TFunction*, TIntermAggregate*&);
bool acceptArguments(TFunction*, TIntermTyped*&);
bool acceptLiteral(TIntermTyped*&);
bool acceptCompoundStatement(TIntermAggregate*&);
bool acceptStatement(TIntermNode*&);

9
hlsl/hlslParseHelper.cpp
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@ -754,12 +754,15 @@ TIntermAggregate* HlslParseContext::handleFunctionDefinition(const TSourceLoc& l
return paramNodes;
}
void HlslParseContext::handleFunctionArgument(TFunction* function, TIntermAggregate*& arguments, TIntermTyped* arg)
void HlslParseContext::handleFunctionArgument(TFunction* function, TIntermTyped*& arguments, TIntermTyped* newArg)
{
TParameter param = { 0, new TType };
param.type->shallowCopy(arg->getType());
param.type->shallowCopy(newArg->getType());
function->addParameter(param);
arguments = intermediate.growAggregate(arguments, arg);
if (arguments)
arguments = intermediate.growAggregate(arguments, newArg);
else
arguments = newArg;
}
//

2
hlsl/hlslParseHelper.h
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@ -83,7 +83,7 @@ public:
TIntermTyped* handleDotDereference(const TSourceLoc&, TIntermTyped* base, const TString& field);
TFunction* handleFunctionDeclarator(const TSourceLoc&, TFunction& function, bool prototype);
TIntermAggregate* handleFunctionDefinition(const TSourceLoc&, TFunction&);
void handleFunctionArgument(TFunction*, TIntermAggregate*&, TIntermTyped*);
void handleFunctionArgument(TFunction*, TIntermTyped*& arguments, TIntermTyped* newArg);
TIntermTyped* handleFunctionCall(const TSourceLoc&, TFunction*, TIntermNode*);
TIntermTyped* handleLengthMethod(const TSourceLoc&, TFunction*, TIntermNode*);
void addInputArgumentConversions(const TFunction&, TIntermNode*&) const;