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Add implementation of SPV_EXT_fragment_fully_covered

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This implementation uses the GLSL extension
GL_NV_conservative_raster_underestimation to generate the new SPIR-V
FullyCoveredEXT built in.
This commit is contained in:
Piers Daniell
2017-12-13 13:07:22 -07:00
committed by John Kessenich
parent e9e0cb60ec
commit 1c5443c693
11 changed files with 116 additions and 1 deletions
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37
Test/baseResults/spv.fullyCovered.frag.out Normal file
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spv.fullyCovered.frag
// Module Version 10000
// Generated by (magic number): 80002
// Id's are bound by 18
Capability Shader
Capability FragmentFullyCoveredEXT
Extension "SPV_EXT_fragment_fully_covered"
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "main" 9 12
ExecutionMode 4 OriginUpperLeft
Source GLSL 450
SourceExtension "GL_NV_conservative_raster_underestimation"
Name 4 "main"
Name 9 "color"
Name 12 "gl_FragFullyCoveredNV"
Decorate 12(gl_FragFullyCoveredNV) BuiltIn FullyCoveredEXT
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypePointer Output 7(fvec4)
9(color): 8(ptr) Variable Output
10: TypeBool
11: TypePointer Input 10(bool)
12(gl_FragFullyCoveredNV): 11(ptr) Variable Input
14: 6(float) Constant 0
15: 6(float) Constant 1065353216
4(main): 2 Function None 3
5: Label
13: 10(bool) Load 12(gl_FragFullyCoveredNV)
16: 6(float) Select 13 15 14
17: 7(fvec4) CompositeConstruct 16 14 14 14
Store 9(color) 17
Return
FunctionEnd