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HLSL: allow multi-dimensional arrays

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All the underpinnings are there; this just parses multiple array dimensions
and passes them through to the existing mechanisms.

Also, minor comment fixes, and add a new test for multi-dim arrays.
This commit is contained in:
steve-lunarg 2016-10-13 12:26:18 -06:00
parent e3aa654c4b
commit 7b211a370b
5 changed files with 261 additions and 25 deletions
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210
Test/baseResults/hlsl.array.multidim.frag.out Normal file
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@ -0,0 +1,210 @@
hlsl.array.multidim.frag
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:10 Function Definition: main( (temp structure{temp 4-component vector of float Color})
0:10 Function Parameters:
0:? Sequence
0:14 move second child to first child (temp 4-component vector of float)
0:14 direct index (temp 4-component vector of float)
0:14 direct index (temp 3-element array of 4-component vector of float)
0:14 'float4_array_1' (temp 2-element array of 3-element array of 4-component vector of float)
0:14 Constant:
0:14 1 (const int)
0:14 Constant:
0:14 2 (const int)
0:14 Construct vec4 (temp 4-component vector of float)
0:14 direct index (layout(offset=0 ) temp float)
0:14 direct index (layout(offset=0 ) temp 3-element array of float)
0:14 direct index (layout(offset=0 ) temp 4-element array of 3-element array of float)
0:14 float_array: direct index for structure (layout(offset=0 ) uniform 5-element array of 4-element array of 3-element array of float)
0:14 'anon@0' (layout(row_major std140 ) uniform block{layout(offset=0 ) uniform 5-element array of 4-element array of 3-element array of float float_array})
0:14 Constant:
0:14 0 (const uint)
0:14 Constant:
0:14 2 (const int)
0:14 Constant:
0:14 3 (const int)
0:14 Constant:
0:14 1 (const int)
0:15 move second child to first child (temp 3-element array of 4-component vector of float)
0:15 direct index (temp 3-element array of 4-component vector of float)
0:15 'float4_array_2' (temp 5-element array of 3-element array of 4-component vector of float)
0:15 Constant:
0:15 1 (const int)
0:15 direct index (temp 3-element array of 4-component vector of float)
0:15 'float4_array_1' (temp 2-element array of 3-element array of 4-component vector of float)
0:15 Constant:
0:15 0 (const int)
0:18 move second child to first child (temp 4-component vector of float)
0:18 Color: direct index for structure (temp 4-component vector of float)
0:18 'psout' (temp structure{temp 4-component vector of float Color})
0:18 Constant:
0:18 0 (const int)
0:18 direct index (temp 4-component vector of float)
0:18 direct index (temp 3-element array of 4-component vector of float)
0:18 'float4_array_1' (temp 2-element array of 3-element array of 4-component vector of float)
0:18 Constant:
0:18 1 (const int)
0:18 Constant:
0:18 2 (const int)
0:19 Sequence
0:19 Sequence
0:19 move second child to first child (temp 4-component vector of float)
0:? 'Color' (layout(location=0 ) out 4-component vector of float)
0:19 Color: direct index for structure (temp 4-component vector of float)
0:19 'psout' (temp structure{temp 4-component vector of float Color})
0:19 Constant:
0:19 0 (const int)
0:19 Branch: Return
0:? Linker Objects
0:? 'Color' (layout(location=0 ) out 4-component vector of float)
0:? 'anon@0' (uniform block{layout(offset=0 ) uniform 5-element array of 4-element array of 3-element array of float float_array})
Linked fragment stage:
Shader version: 450
gl_FragCoord origin is upper left
0:? Sequence
0:10 Function Definition: main( (temp structure{temp 4-component vector of float Color})
0:10 Function Parameters:
0:? Sequence
0:14 move second child to first child (temp 4-component vector of float)
0:14 direct index (temp 4-component vector of float)
0:14 direct index (temp 3-element array of 4-component vector of float)
0:14 'float4_array_1' (temp 2-element array of 3-element array of 4-component vector of float)
0:14 Constant:
0:14 1 (const int)
0:14 Constant:
0:14 2 (const int)
0:14 Construct vec4 (temp 4-component vector of float)
0:14 direct index (layout(offset=0 ) temp float)
0:14 direct index (layout(offset=0 ) temp 3-element array of float)
0:14 direct index (layout(offset=0 ) temp 4-element array of 3-element array of float)
0:14 float_array: direct index for structure (layout(offset=0 ) uniform 5-element array of 4-element array of 3-element array of float)
0:14 'anon@0' (layout(row_major std140 ) uniform block{layout(offset=0 ) uniform 5-element array of 4-element array of 3-element array of float float_array})
0:14 Constant:
0:14 0 (const uint)
0:14 Constant:
0:14 2 (const int)
0:14 Constant:
0:14 3 (const int)
0:14 Constant:
0:14 1 (const int)
0:15 move second child to first child (temp 3-element array of 4-component vector of float)
0:15 direct index (temp 3-element array of 4-component vector of float)
0:15 'float4_array_2' (temp 5-element array of 3-element array of 4-component vector of float)
0:15 Constant:
0:15 1 (const int)
0:15 direct index (temp 3-element array of 4-component vector of float)
0:15 'float4_array_1' (temp 2-element array of 3-element array of 4-component vector of float)
0:15 Constant:
0:15 0 (const int)
0:18 move second child to first child (temp 4-component vector of float)
0:18 Color: direct index for structure (temp 4-component vector of float)
0:18 'psout' (temp structure{temp 4-component vector of float Color})
0:18 Constant:
0:18 0 (const int)
0:18 direct index (temp 4-component vector of float)
0:18 direct index (temp 3-element array of 4-component vector of float)
0:18 'float4_array_1' (temp 2-element array of 3-element array of 4-component vector of float)
0:18 Constant:
0:18 1 (const int)
0:18 Constant:
0:18 2 (const int)
0:19 Sequence
0:19 Sequence
0:19 move second child to first child (temp 4-component vector of float)
0:? 'Color' (layout(location=0 ) out 4-component vector of float)
0:19 Color: direct index for structure (temp 4-component vector of float)
0:19 'psout' (temp structure{temp 4-component vector of float Color})
0:19 Constant:
0:19 0 (const int)
0:19 Branch: Return
0:? Linker Objects
0:? 'Color' (layout(location=0 ) out 4-component vector of float)
0:? 'anon@0' (uniform block{layout(offset=0 ) uniform 5-element array of 4-element array of 3-element array of float float_array})
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 52
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 48
ExecutionMode 4 OriginUpperLeft
Name 4 "main"
Name 14 "float4_array_1"
Name 23 "$Global"
MemberName 23($Global) 0 "float_array"
Name 25 ""
Name 36 "float4_array_2"
Name 41 "PS_OUTPUT"
MemberName 41(PS_OUTPUT) 0 "Color"
Name 43 "psout"
Name 48 "Color"
Decorate 18 ArrayStride 16
Decorate 20 ArrayStride 48
Decorate 22 ArrayStride 192
MemberDecorate 23($Global) 0 Offset 0
Decorate 23($Global) Block
Decorate 25 DescriptorSet 0
Decorate 48(Color) Location 0
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypeInt 32 0
9: 8(int) Constant 3
10: TypeArray 7(fvec4) 9
11: 8(int) Constant 2
12: TypeArray 10 11
13: TypePointer Function 12
15: TypeInt 32 1
16: 15(int) Constant 1
17: 15(int) Constant 2
18: TypeArray 6(float) 9
19: 8(int) Constant 4
20: TypeArray 18 19
21: 8(int) Constant 5
22: TypeArray 20 21
23($Global): TypeStruct 22
24: TypePointer Uniform 23($Global)
25: 24(ptr) Variable Uniform
26: 15(int) Constant 0
27: 15(int) Constant 3
28: TypePointer Uniform 6(float)
32: TypePointer Function 7(fvec4)
34: TypeArray 10 21
35: TypePointer Function 34
37: TypePointer Function 10
41(PS_OUTPUT): TypeStruct 7(fvec4)
42: TypePointer Function 41(PS_OUTPUT)
47: TypePointer Output 7(fvec4)
48(Color): 47(ptr) Variable Output
4(main): 2 Function None 3
5: Label
14(float4_array_1): 13(ptr) Variable Function
36(float4_array_2): 35(ptr) Variable Function
43(psout): 42(ptr) Variable Function
29: 28(ptr) AccessChain 25 26 17 27 16
30: 6(float) Load 29
31: 7(fvec4) CompositeConstruct 30 30 30 30
33: 32(ptr) AccessChain 14(float4_array_1) 16 17
Store 33 31
38: 37(ptr) AccessChain 14(float4_array_1) 26
39: 10 Load 38
40: 37(ptr) AccessChain 36(float4_array_2) 16
Store 40 39
44: 32(ptr) AccessChain 14(float4_array_1) 16 17
45: 7(fvec4) Load 44
46: 32(ptr) AccessChain 43(psout) 26
Store 46 45
49: 32(ptr) AccessChain 43(psout) 26
50: 7(fvec4) Load 49
Store 48(Color) 50
Return
FunctionEnd

8
Test/hlsl.array.implicit-size.frag
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@ -1,11 +1,11 @@
// implicit sized array
// array size from initializer
static float g_array [ ] = { 1, 2, 3, 4, 5 };
// Unused implicit sized array
// Unused: array size from initializer
static float g_array_unused [ ] = { 1, 2, 3, 4, 5, 6, 7 };
// Test implicit size arrayed structs
// Test initializer sizing for arrayed structs
static struct mystruct {
int i;
float f;
@ -24,7 +24,7 @@ struct PS_OUTPUT { float4 color : SV_Target0; };
void main(out PS_OUTPUT ps_output)
{
// implicit sized local array
// local array sized from initializers
float l_array[] = { 1, 2, 3 };
ps_output.color = g_array[0] + g_array[4] + l_array[1] + g_mystruct[0].f + g_array[idx];

20
Test/hlsl.array.multidim.frag Normal file
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@ -0,0 +1,20 @@
float float_array[5][4][3];
struct PS_OUTPUT
{
float4 Color : SV_Target0;
};
PS_OUTPUT main()
{
float4 float4_array_1[2][3];
float4 float4_array_2[5][3];
float4_array_1[1][2] = float_array[2][3][1];
float4_array_2[1] = float4_array_1[0];
PS_OUTPUT psout;
psout.Color = float4_array_1[1][2];
return psout;
}

1
gtests/Hlsl.FromFile.cpp
View File

@ -83,6 +83,7 @@ INSTANTIATE_TEST_CASE_P(
{"hlsl.amend.frag", "f1"},
{"hlsl.array.frag", "PixelShaderFunction"},
{"hlsl.array.implicit-size.frag", "PixelShaderFunction"},
{"hlsl.array.multidim.frag", "main"},
{"hlsl.assoc.frag", "PixelShaderFunction"},
{"hlsl.attribute.frag", "PixelShaderFunction"},
{"hlsl.buffer.frag", "PixelShaderFunction"},

45
hlsl/hlslGrammar.cpp
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@ -2676,35 +2676,40 @@ bool HlslGrammar::acceptDefaultLabel(TIntermNode*& statement)
}
// array_specifier
// : LEFT_BRACKET integer_expression RGHT_BRACKET post_decls // optional
// : LEFT_BRACKET RGHT_BRACKET post_decls // optional
// : LEFT_BRACKET integer_expression RGHT_BRACKET ... // optional
// : LEFT_BRACKET RGHT_BRACKET // optional
//
void HlslGrammar::acceptArraySpecifier(TArraySizes*& arraySizes)
{
arraySizes = nullptr;
if (! acceptTokenClass(EHTokLeftBracket))
// Early-out if there aren't any array dimensions
if (!peekTokenClass(EHTokLeftBracket))
return;
TSourceLoc loc = token.loc;
TIntermTyped* sizeExpr = nullptr;
// Array sizing expression is optional. If ommitted, array is implicitly sized.
const bool hasArraySize = acceptAssignmentExpression(sizeExpr);
if (! acceptTokenClass(EHTokRightBracket)) {
expected("]");
return;
}
// If we get here, we have at least one array dimension. This will track the sizes we find.
arraySizes = new TArraySizes;
if (hasArraySize) {
TArraySize arraySize;
parseContext.arraySizeCheck(loc, sizeExpr, arraySize);
arraySizes->addInnerSize(arraySize);
} else {
arraySizes->addInnerSize(); // implicitly sized
// Collect each array dimension.
while (acceptTokenClass(EHTokLeftBracket)) {
TSourceLoc loc = token.loc;
TIntermTyped* sizeExpr = nullptr;
// Array sizing expression is optional. If ommitted, array will be later sized by initializer list.
const bool hasArraySize = acceptAssignmentExpression(sizeExpr);
if (! acceptTokenClass(EHTokRightBracket)) {
expected("]");
return;
}
if (hasArraySize) {
TArraySize arraySize;
parseContext.arraySizeCheck(loc, sizeExpr, arraySize);
arraySizes->addInnerSize(arraySize);
} else {
arraySizes->addInnerSize(0); // sized by initializers.
}
}
}