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HLSL: Basic array grammar.

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This commit is contained in:
John Kessenich 2016-06-19 11:50:34 -06:00
parent 93a162a857
commit 19b92fff7e
6 changed files with 254 additions and 9 deletions
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181
Test/baseResults/hlsl.array.frag.out Executable file
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@ -0,0 +1,181 @@
hlsl.array.frag
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:11 Function Definition: PixelShaderFunction(i1;vf4[3]; (temp 4-component vector of float)
0:8 Function Parameters:
0:8 'i' (in int)
0:8 'input' (in 3-element array of 4-component vector of float)
0:? Sequence
0:10 Branch: Return with expression
0:10 add (temp 4-component vector of float)
0:10 add (temp 4-component vector of float)
0:10 add (temp 4-component vector of float)
0:10 direct index (temp 4-component vector of float)
0:10 'a' (temp 4-element array of 4-component vector of float)
0:10 Constant:
0:10 1 (const int)
0:10 indirect index (temp 4-component vector of float)
0:10 'a' (temp 4-element array of 4-component vector of float)
0:10 'i' (in int)
0:10 add (temp 4-component vector of float)
0:10 direct index (temp 4-component vector of float)
0:10 'input' (in 3-element array of 4-component vector of float)
0:10 Constant:
0:10 2 (const int)
0:10 indirect index (temp 4-component vector of float)
0:10 'input' (in 3-element array of 4-component vector of float)
0:10 'i' (in int)
0:10 add (temp 4-component vector of float)
0:10 add (temp 4-component vector of float)
0:10 direct index (temp 4-component vector of float)
0:10 'b' (temp 10-element array of 4-component vector of float)
0:10 Constant:
0:10 5 (const int)
0:10 indirect index (temp 4-component vector of float)
0:10 'b' (temp 10-element array of 4-component vector of float)
0:10 'i' (in int)
0:10 indirect index (temp 4-component vector of float)
0:10 m: direct index for structure (temp 7-element array of 4-component vector of float)
0:10 indirect index (temp structure{temp 7-element array of 4-component vector of float m})
0:10 's' (temp 11-element array of structure{temp 7-element array of 4-component vector of float m})
0:10 'i' (in int)
0:10 Constant:
0:10 0 (const int)
0:10 'i' (in int)
0:? Linker Objects
0:? 'a' (temp 4-element array of 4-component vector of float)
0:? 's' (temp 11-element array of structure{temp 7-element array of 4-component vector of float m})
Linked fragment stage:
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:11 Function Definition: PixelShaderFunction(i1;vf4[3]; (temp 4-component vector of float)
0:8 Function Parameters:
0:8 'i' (in int)
0:8 'input' (in 3-element array of 4-component vector of float)
0:? Sequence
0:10 Branch: Return with expression
0:10 add (temp 4-component vector of float)
0:10 add (temp 4-component vector of float)
0:10 add (temp 4-component vector of float)
0:10 direct index (temp 4-component vector of float)
0:10 'a' (temp 4-element array of 4-component vector of float)
0:10 Constant:
0:10 1 (const int)
0:10 indirect index (temp 4-component vector of float)
0:10 'a' (temp 4-element array of 4-component vector of float)
0:10 'i' (in int)
0:10 add (temp 4-component vector of float)
0:10 direct index (temp 4-component vector of float)
0:10 'input' (in 3-element array of 4-component vector of float)
0:10 Constant:
0:10 2 (const int)
0:10 indirect index (temp 4-component vector of float)
0:10 'input' (in 3-element array of 4-component vector of float)
0:10 'i' (in int)
0:10 add (temp 4-component vector of float)
0:10 add (temp 4-component vector of float)
0:10 direct index (temp 4-component vector of float)
0:10 'b' (temp 10-element array of 4-component vector of float)
0:10 Constant:
0:10 5 (const int)
0:10 indirect index (temp 4-component vector of float)
0:10 'b' (temp 10-element array of 4-component vector of float)
0:10 'i' (in int)
0:10 indirect index (temp 4-component vector of float)
0:10 m: direct index for structure (temp 7-element array of 4-component vector of float)
0:10 indirect index (temp structure{temp 7-element array of 4-component vector of float m})
0:10 's' (temp 11-element array of structure{temp 7-element array of 4-component vector of float m})
0:10 'i' (in int)
0:10 Constant:
0:10 0 (const int)
0:10 'i' (in int)
0:? Linker Objects
0:? 'a' (temp 4-element array of 4-component vector of float)
0:? 's' (temp 11-element array of structure{temp 7-element array of 4-component vector of float m})
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 63
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "PixelShaderFunction" 19 27
ExecutionMode 4 OriginUpperLeft
Source HLSL 450
Name 4 "PixelShaderFunction"
Name 12 "a"
Name 19 "i"
Name 27 "input"
Name 40 "b"
Name 50 ""
MemberName 50 0 "m"
Name 54 "s"
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypeInt 32 0
9: 8(int) Constant 4
10: TypeArray 7(fvec4) 9
11: TypePointer Function 10
13: TypeInt 32 1
14: 13(int) Constant 1
15: TypePointer Function 7(fvec4)
18: TypePointer Input 13(int)
19(i): 18(ptr) Variable Input
24: 8(int) Constant 3
25: TypeArray 7(fvec4) 24
26: TypePointer Input 25
27(input): 26(ptr) Variable Input
28: 13(int) Constant 2
29: TypePointer Input 7(fvec4)
37: 8(int) Constant 10
38: TypeArray 7(fvec4) 37
39: TypePointer Function 38
41: 13(int) Constant 5
48: 8(int) Constant 7
49: TypeArray 7(fvec4) 48
50: TypeStruct 49
51: 8(int) Constant 11
52: TypeArray 50(struct) 51
53: TypePointer Function 52
56: 13(int) Constant 0
4(PixelShaderFunction): 2 Function None 3
5: Label
12(a): 11(ptr) Variable Function
40(b): 39(ptr) Variable Function
54(s): 53(ptr) Variable Function
16: 15(ptr) AccessChain 12(a) 14
17: 7(fvec4) Load 16
20: 13(int) Load 19(i)
21: 15(ptr) AccessChain 12(a) 20
22: 7(fvec4) Load 21
23: 7(fvec4) FAdd 17 22
30: 29(ptr) AccessChain 27(input) 28
31: 7(fvec4) Load 30
32: 13(int) Load 19(i)
33: 29(ptr) AccessChain 27(input) 32
34: 7(fvec4) Load 33
35: 7(fvec4) FAdd 31 34
36: 7(fvec4) FAdd 23 35
42: 15(ptr) AccessChain 40(b) 41
43: 7(fvec4) Load 42
44: 13(int) Load 19(i)
45: 15(ptr) AccessChain 40(b) 44
46: 7(fvec4) Load 45
47: 7(fvec4) FAdd 43 46
55: 13(int) Load 19(i)
57: 13(int) Load 19(i)
58: 15(ptr) AccessChain 54(s) 55 56 57
59: 7(fvec4) Load 58
60: 7(fvec4) FAdd 47 59
61: 7(fvec4) FAdd 36 60
ReturnValue 61
FunctionEnd

11
Test/hlsl.array.frag Normal file
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@ -0,0 +1,11 @@
float4 a[4];
struct {
float4 m[7];
} s[11];
float4 PixelShaderFunction(int i, float4 input[3]) : COLOR0
{
float4 b[10];
return a[1] + a[i] + input[2] + input[i] + b[5] + b[i] + s[i].m[i];
}

1
gtests/Hlsl.FromFile.cpp
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@ -72,6 +72,7 @@ TEST_P(HlslCompileTest, FromFile)
INSTANTIATE_TEST_CASE_P(
ToSpirv, HlslCompileTest,
::testing::ValuesIn(std::vector<FileNameEntryPointPair>{
{"hlsl.array.frag", "PixelShaderFunction"},
{"hlsl.assoc.frag", "PixelShaderFunction"},
{"hlsl.attribute.frag", "PixelShaderFunction"},
{"hlsl.cast.frag", "PixelShaderFunction"},

67
hlsl/hlslGrammar.cpp
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@ -107,8 +107,7 @@ bool HlslGrammar::acceptCompilationUnit()
// declaration
// : SEMICOLON
// : fully_specified_type SEMICOLON
// | fully_specified_type identifier post_decls SEMICOLON
// | fully_specified_type identifier post_decls = expression SEMICOLON
// | fully_specified_type identifier array_specifier post_decls (EQUAL expression)opt SEMICOLON
// | fully_specified_type identifier function_parameters post_decls SEMICOLON // function prototype
// | fully_specified_type identifier function_parameters post_decls compound_statement // function definition
//
@ -127,8 +126,14 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& node)
// identifier
HlslToken idToken;
if (acceptIdentifier(idToken)) {
// array_specifier
TArraySizes* arraySizes = nullptr;
acceptArraySpecifier(arraySizes);
// post_decls
acceptPostDecls(type);
// = expression
// EQUAL expression
TIntermTyped* expressionNode = nullptr;
if (acceptTokenClass(EHTokAssign)) {
if (! acceptExpression(expressionNode)) {
@ -139,7 +144,7 @@ bool HlslGrammar::acceptDeclaration(TIntermNode*& node)
// SEMICOLON
if (acceptTokenClass(EHTokSemicolon)) {
node = parseContext.declareVariable(idToken.loc, *idToken.string, type, 0, expressionNode);
node = parseContext.declareVariable(idToken.loc, *idToken.string, type, arraySizes, expressionNode);
return true;
}
@ -711,7 +716,10 @@ bool HlslGrammar::acceptStructDeclarationList(TTypeList*& typeList)
advanceToken();
// array_specifier
// TODO
TArraySizes* arraySizes = nullptr;
acceptArraySpecifier(arraySizes);
if (arraySizes)
typeList->back().type->newArraySizes(*arraySizes);
acceptPostDecls(*member.type);
@ -770,7 +778,7 @@ bool HlslGrammar::acceptFunctionParameters(TFunction& function)
// parameter_declaration
// : fully_specified_type post_decls
// | fully_specified_type identifier post_decls
// | fully_specified_type identifier array_specifier post_decls
//
bool HlslGrammar::acceptParameterDeclaration(TFunction& function)
{
@ -783,6 +791,13 @@ bool HlslGrammar::acceptParameterDeclaration(TFunction& function)
HlslToken idToken;
acceptIdentifier(idToken);
// array_specifier
TArraySizes* arraySizes = nullptr;
acceptArraySpecifier(arraySizes);
if (arraySizes)
type->newArraySizes(*arraySizes);
// post_decls
acceptPostDecls(*type);
parseContext.paramFix(*type);
@ -1098,7 +1113,9 @@ bool HlslGrammar::acceptPostfixExpression(TIntermTyped*& node)
switch (postOp) {
case EOpIndexDirectStruct:
{
// includes swizzles
// DOT IDENTIFIER
// includes swizzles and struct members
// TODO: possibly includes "method" syntax
HlslToken field;
if (! acceptIdentifier(field)) {
expected("swizzle or member");
@ -1109,16 +1126,22 @@ bool HlslGrammar::acceptPostfixExpression(TIntermTyped*& node)
}
case EOpIndexIndirect:
{
// LEFT_BRACKET integer_expression RIGHT_BRACKET
TIntermTyped* indexNode = nullptr;
if (! acceptExpression(indexNode) ||
! peekTokenClass(EHTokRightBracket)) {
expected("expression followed by ']'");
return false;
}
// todo: node = intermediate.addBinaryMath(
advanceToken();
node = parseContext.handleBracketDereference(indexNode->getLoc(), node, indexNode);
break;
}
case EOpPostIncrement:
// INC_OP
// fall through
case EOpPostDecrement:
// DEC_OP
node = intermediate.addUnaryMath(postOp, node, loc);
break;
default:
@ -1629,6 +1652,34 @@ bool HlslGrammar::acceptCaseLabel(TIntermNode*& statement)
return false;
}
// array_specifier
// : LEFT_BRACKET integer_expression RGHT_BRACKET post_decls // optional
//
void HlslGrammar::acceptArraySpecifier(TArraySizes*& arraySizes)
{
arraySizes = nullptr;
if (! acceptTokenClass(EHTokLeftBracket))
return;
TSourceLoc loc = token.loc;
TIntermTyped* sizeExpr;
if (! acceptAssignmentExpression(sizeExpr)) {
expected("array-sizing expression");
return;
}
if (! acceptTokenClass(EHTokRightBracket)) {
expected("]");
return;
}
TArraySize arraySize;
parseContext.arraySizeCheck(loc, sizeExpr, arraySize);
arraySizes = new TArraySizes;
arraySizes->addInnerSize(arraySize);
}
// post_decls
// : COLON semantic // optional
// COLON PACKOFFSET LEFT_PAREN ... RIGHT_PAREN // optional

1
hlsl/hlslGrammar.h
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@ -87,6 +87,7 @@ namespace glslang {
bool acceptIterationStatement(TIntermNode*&);
bool acceptJumpStatement(TIntermNode*&);
bool acceptCaseLabel(TIntermNode*&);
void acceptArraySpecifier(TArraySizes*&);
void acceptPostDecls(TType&);
HlslParseContext& parseContext; // state of parsing and helper functions for building the intermediate

2
hlsl/hlslOpMap.cpp
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@ -113,7 +113,7 @@ TOperator HlslOpMap::postUnary(EHlslTokenClass op)
{
switch (op) {
case EHTokDot: return EOpIndexDirectStruct;
case EHTokLeftBracket: return EOpIndexIndirect; // may need to change later to EOpIndexDirect
case EHTokLeftBracket: return EOpIndexIndirect;
case EHTokIncOp: return EOpPostIncrement;
case EHTokDecOp: return EOpPostDecrement;