qining
27e04a004d
Fix spec const construtor for matrix and vector
...
Fix issue: #237
1. The code generated for matrix constructor should 1) build column
vectors first, 2) build matrix with the vectors.
2. When there is only one scalar type constituent in vector's
constructor, we should populate the constituent to fill all the slots in
the vector. As for matrix, the single constituent should be populated to
the diagonal positions (top-left to bottom-right diagonal).
remove createSpvConstantFromConstSubTree()
2016-04-14 17:52:57 -04:00
qining
0840838d17
Support specialization composite constants
...
Fix issue #163 , support creation and reference of composite type
specialization constants.
e.g.:
```
layout(constant_id = 200) const float myfloat = 1.25;
layout(constant_id = 201) const int myint = 14;
struct structtype {
float f;
int i;
};
const structtype outer_struct_var = {myfloat, myint};
void main(){}
```
generated code (use glslangValidator):
```
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 12
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Vertex 4 "main"
Source GLSL 450
Name 4 "main"
Name 10 "structtype"
MemberName 10(structtype) 0 "f"
MemberName 10(structtype) 1 "i"
Decorate 7 SpecId 200
Decorate 9 SpecId 201
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: 6(float) SpecConstant 1067450368
8: TypeInt 32 1
9: 8(int) SpecConstant 14
10(structtype): TypeStruct 6(float) 8(int)
11:10(structtype) SpecConstantComposite 7 9
4(main): 2 Function None 3
5: Label
Return
FunctionEnd
```
Rname two function names to match their functionalities.
1) Rename `GlslangToSpvTraverser::createSpvSpecConstant()` to
`createSpvConstant()`;
2) Rename `GlslangToSpvTraverser::createSpvConstant()` to
`createSpvConstantFromConstUnionArray()`
Add function `GlslangToSpvTraverser::createSpvConstantFromSubTree()` to
handle constant creation from sub trees (e.g.: specialization constants).
Related PR: #208
2016-03-24 18:04:00 -04:00
