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WIP: HLSL: Support InputPatch variables in patch constant functions

Browse Source 
Previously, patch constant functions only accepted OutputPatch.  This
adds InputPatch support, via a pseudo-builtin variable type, so that
the patch can be tracked clear through from the qualifier.
This commit is contained in:
steve-lunarg 2017-04-01 15:34:48 -06:00
parent b68b9a8b23
commit 067eb9b48a
8 changed files with 739 additions and 34 deletions
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Test/baseResults/hlsl.hull.ctrlpt-2.tesc.out Normal file
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hlsl.hull.ctrlpt-2.tesc
Shader version: 450
vertices = 3
vertex spacing = fractional_odd_spacing
triangle order = cw
0:? Sequence
0:28 Function Definition: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:28 Function Parameters:
0:28 'i' ( in 3-element array of structure{ temp 3-component vector of float val})
0:28 'cpid' ( in uint)
0:? Sequence
0:29 val: direct index for structure ( temp 3-component vector of float)
0:29 direct index ( temp structure{ temp 3-component vector of float val})
0:29 'i' ( in 3-element array of structure{ temp 3-component vector of float val})
0:29 Constant:
0:29 0 (const int)
0:29 Constant:
0:29 0 (const int)
0:32 move second child to first child ( temp 3-component vector of float)
0:32 val: direct index for structure ( temp 3-component vector of float)
0:32 'o' ( temp structure{ temp 3-component vector of float val})
0:32 Constant:
0:32 0 (const int)
0:32 Construct vec3 ( temp 3-component vector of float)
0:32 Convert uint to float ( temp float)
0:32 'cpid' ( in uint)
0:33 Branch: Return with expression
0:33 'o' ( temp structure{ temp 3-component vector of float val})
0:28 Function Definition: main( ( temp void)
0:28 Function Parameters:
0:? Sequence
0:28 move second child to first child ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' (layout( location=0) in 3-element array of structure{ temp 3-component vector of float val})
0:28 move second child to first child ( temp uint)
0:? 'cpid' ( temp uint)
0:? 'cpid' ( in uint InvocationID)
0:28 move second child to first child ( temp structure{ temp 3-component vector of float val})
0:28 indirect index ( temp structure{ temp 3-component vector of float val})
0:? '@entryPointOutput' (layout( location=0) out 3-element array of structure{ temp 3-component vector of float val})
0:? 'cpid' ( in uint InvocationID)
0:28 Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'cpid' ( temp uint)
0:? Barrier ( temp void)
0:? Test condition and select ( temp void)
0:? Condition
0:? Compare Equal ( temp bool)
0:? 'cpid' ( in uint InvocationID)
0:? Constant:
0:? 0 (const int)
0:? true case
0:? Sequence
0:? move second child to first child ( temp structure{ temp 3-component vector of float val})
0:? direct index ( temp structure{ temp 3-component vector of float val})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 0 (const int)
0:? Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 0 (const uint)
0:? move second child to first child ( temp structure{ temp 3-component vector of float val})
0:? direct index ( temp structure{ temp 3-component vector of float val})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 1 (const int)
0:? Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 1 (const uint)
0:? move second child to first child ( temp structure{ temp 3-component vector of float val})
0:? direct index ( temp structure{ temp 3-component vector of float val})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 2 (const int)
0:? Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 2 (const uint)
0:? move second child to first child ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Function Call: PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3]; ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' (layout( location=0) in 3-element array of structure{ temp 3-component vector of float val})
0:? Sequence
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelOuter)
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? Constant:
0:? 0 (const int)
0:? direct index ( temp float)
0:? tfactor: direct index for structure ( temp 3-element array of float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 0 (const int)
0:? Constant:
0:? 0 (const int)
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelOuter)
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? Constant:
0:? 1 (const int)
0:? direct index ( temp float)
0:? tfactor: direct index for structure ( temp 3-element array of float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 0 (const int)
0:? Constant:
0:? 1 (const int)
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelOuter)
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? Constant:
0:? 2 (const int)
0:? direct index ( temp float)
0:? tfactor: direct index for structure ( temp 3-element array of float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 0 (const int)
0:? Constant:
0:? 2 (const int)
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelInner)
0:? '@patchConstantOutput_flInFactor' ( patch out 2-element array of float TessLevelInner)
0:? Constant:
0:? 0 (const int)
0:? flInFactor: direct index for structure ( temp float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 1 (const int)
0:38 Function Definition: PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3]; ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:38 Function Parameters:
0:38 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:38 'pcf_in' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:? Sequence
0:41 move second child to first child ( temp float)
0:41 direct index ( temp float)
0:41 tfactor: direct index for structure ( temp 3-element array of float)
0:41 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:41 Constant:
0:41 0 (const int)
0:41 Constant:
0:41 0 (const int)
0:41 direct index ( temp float)
0:41 val: direct index for structure ( temp 3-component vector of float)
0:41 direct index ( temp structure{ temp 3-component vector of float val})
0:41 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:41 Constant:
0:41 0 (const int)
0:41 Constant:
0:41 0 (const int)
0:41 Constant:
0:41 0 (const int)
0:42 move second child to first child ( temp float)
0:42 direct index ( temp float)
0:42 tfactor: direct index for structure ( temp 3-element array of float)
0:42 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:42 Constant:
0:42 0 (const int)
0:42 Constant:
0:42 1 (const int)
0:42 direct index ( temp float)
0:42 val: direct index for structure ( temp 3-component vector of float)
0:42 direct index ( temp structure{ temp 3-component vector of float val})
0:42 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:42 Constant:
0:42 1 (const int)
0:42 Constant:
0:42 0 (const int)
0:42 Constant:
0:42 0 (const int)
0:43 move second child to first child ( temp float)
0:43 direct index ( temp float)
0:43 tfactor: direct index for structure ( temp 3-element array of float)
0:43 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:43 Constant:
0:43 0 (const int)
0:43 Constant:
0:43 2 (const int)
0:43 direct index ( temp float)
0:43 val: direct index for structure ( temp 3-component vector of float)
0:43 direct index ( temp structure{ temp 3-component vector of float val})
0:43 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:43 Constant:
0:43 2 (const int)
0:43 Constant:
0:43 0 (const int)
0:43 Constant:
0:43 0 (const int)
0:44 move second child to first child ( temp float)
0:44 flInFactor: direct index for structure ( temp float)
0:44 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:44 Constant:
0:44 1 (const int)
0:44 Constant:
0:44 4.000000
0:46 Branch: Return with expression
0:46 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Linker Objects
0:? '@entryPointOutput' (layout( location=0) out 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' (layout( location=0) in 3-element array of structure{ temp 3-component vector of float val})
0:? 'cpid' ( in uint InvocationID)
0:? '@patchConstantOutput' (layout( location=1) patch out structure{})
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? '@patchConstantOutput_flInFactor' ( patch out 2-element array of float TessLevelInner)
Linked tessellation control stage:
Shader version: 450
vertices = 3
vertex spacing = fractional_odd_spacing
triangle order = cw
0:? Sequence
0:28 Function Definition: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:28 Function Parameters:
0:28 'i' ( in 3-element array of structure{ temp 3-component vector of float val})
0:28 'cpid' ( in uint)
0:? Sequence
0:29 val: direct index for structure ( temp 3-component vector of float)
0:29 direct index ( temp structure{ temp 3-component vector of float val})
0:29 'i' ( in 3-element array of structure{ temp 3-component vector of float val})
0:29 Constant:
0:29 0 (const int)
0:29 Constant:
0:29 0 (const int)
0:32 move second child to first child ( temp 3-component vector of float)
0:32 val: direct index for structure ( temp 3-component vector of float)
0:32 'o' ( temp structure{ temp 3-component vector of float val})
0:32 Constant:
0:32 0 (const int)
0:32 Construct vec3 ( temp 3-component vector of float)
0:32 Convert uint to float ( temp float)
0:32 'cpid' ( in uint)
0:33 Branch: Return with expression
0:33 'o' ( temp structure{ temp 3-component vector of float val})
0:28 Function Definition: main( ( temp void)
0:28 Function Parameters:
0:? Sequence
0:28 move second child to first child ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' (layout( location=0) in 3-element array of structure{ temp 3-component vector of float val})
0:28 move second child to first child ( temp uint)
0:? 'cpid' ( temp uint)
0:? 'cpid' ( in uint InvocationID)
0:28 move second child to first child ( temp structure{ temp 3-component vector of float val})
0:28 indirect index ( temp structure{ temp 3-component vector of float val})
0:? '@entryPointOutput' (layout( location=0) out 3-element array of structure{ temp 3-component vector of float val})
0:? 'cpid' ( in uint InvocationID)
0:28 Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'cpid' ( temp uint)
0:? Barrier ( temp void)
0:? Test condition and select ( temp void)
0:? Condition
0:? Compare Equal ( temp bool)
0:? 'cpid' ( in uint InvocationID)
0:? Constant:
0:? 0 (const int)
0:? true case
0:? Sequence
0:? move second child to first child ( temp structure{ temp 3-component vector of float val})
0:? direct index ( temp structure{ temp 3-component vector of float val})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 0 (const int)
0:? Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 0 (const uint)
0:? move second child to first child ( temp structure{ temp 3-component vector of float val})
0:? direct index ( temp structure{ temp 3-component vector of float val})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 1 (const int)
0:? Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 1 (const uint)
0:? move second child to first child ( temp structure{ temp 3-component vector of float val})
0:? direct index ( temp structure{ temp 3-component vector of float val})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 2 (const int)
0:? Function Call: @main(struct-hs_in_t-vf31[3];u1; ( temp structure{ temp 3-component vector of float val})
0:? 'i' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? Constant:
0:? 2 (const uint)
0:? move second child to first child ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Function Call: PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3]; ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? 'pcf_out' ( temp 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' (layout( location=0) in 3-element array of structure{ temp 3-component vector of float val})
0:? Sequence
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelOuter)
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? Constant:
0:? 0 (const int)
0:? direct index ( temp float)
0:? tfactor: direct index for structure ( temp 3-element array of float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 0 (const int)
0:? Constant:
0:? 0 (const int)
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelOuter)
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? Constant:
0:? 1 (const int)
0:? direct index ( temp float)
0:? tfactor: direct index for structure ( temp 3-element array of float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 0 (const int)
0:? Constant:
0:? 1 (const int)
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelOuter)
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? Constant:
0:? 2 (const int)
0:? direct index ( temp float)
0:? tfactor: direct index for structure ( temp 3-element array of float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 0 (const int)
0:? Constant:
0:? 2 (const int)
0:? move second child to first child ( temp float)
0:? direct index ( patch out float TessLevelInner)
0:? '@patchConstantOutput_flInFactor' ( patch out 2-element array of float TessLevelInner)
0:? Constant:
0:? 0 (const int)
0:? flInFactor: direct index for structure ( temp float)
0:? '@patchConstantResult' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Constant:
0:? 1 (const int)
0:38 Function Definition: PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3]; ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:38 Function Parameters:
0:38 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:38 'pcf_in' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:? Sequence
0:41 move second child to first child ( temp float)
0:41 direct index ( temp float)
0:41 tfactor: direct index for structure ( temp 3-element array of float)
0:41 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:41 Constant:
0:41 0 (const int)
0:41 Constant:
0:41 0 (const int)
0:41 direct index ( temp float)
0:41 val: direct index for structure ( temp 3-component vector of float)
0:41 direct index ( temp structure{ temp 3-component vector of float val})
0:41 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:41 Constant:
0:41 0 (const int)
0:41 Constant:
0:41 0 (const int)
0:41 Constant:
0:41 0 (const int)
0:42 move second child to first child ( temp float)
0:42 direct index ( temp float)
0:42 tfactor: direct index for structure ( temp 3-element array of float)
0:42 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:42 Constant:
0:42 0 (const int)
0:42 Constant:
0:42 1 (const int)
0:42 direct index ( temp float)
0:42 val: direct index for structure ( temp 3-component vector of float)
0:42 direct index ( temp structure{ temp 3-component vector of float val})
0:42 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:42 Constant:
0:42 1 (const int)
0:42 Constant:
0:42 0 (const int)
0:42 Constant:
0:42 0 (const int)
0:43 move second child to first child ( temp float)
0:43 direct index ( temp float)
0:43 tfactor: direct index for structure ( temp 3-element array of float)
0:43 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:43 Constant:
0:43 0 (const int)
0:43 Constant:
0:43 2 (const int)
0:43 direct index ( temp float)
0:43 val: direct index for structure ( temp 3-component vector of float)
0:43 direct index ( temp structure{ temp 3-component vector of float val})
0:43 'pcf_out' ( const (read only) 3-element array of structure{ temp 3-component vector of float val})
0:43 Constant:
0:43 2 (const int)
0:43 Constant:
0:43 0 (const int)
0:43 Constant:
0:43 0 (const int)
0:44 move second child to first child ( temp float)
0:44 flInFactor: direct index for structure ( temp float)
0:44 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:44 Constant:
0:44 1 (const int)
0:44 Constant:
0:44 4.000000
0:46 Branch: Return with expression
0:46 'o' ( temp structure{ temp 3-element array of float tfactor, temp float flInFactor})
0:? Linker Objects
0:? '@entryPointOutput' (layout( location=0) out 3-element array of structure{ temp 3-component vector of float val})
0:? 'i' (layout( location=0) in 3-element array of structure{ temp 3-component vector of float val})
0:? 'cpid' ( in uint InvocationID)
0:? '@patchConstantOutput' (layout( location=1) patch out structure{})
0:? '@patchConstantOutput_tfactor' ( patch out 4-element array of float TessLevelOuter)
0:? '@patchConstantOutput_flInFactor' ( patch out 2-element array of float TessLevelInner)
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 129
Capability Tessellation
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint TessellationControl 4 "main" 42 46 49 96 110 128
ExecutionMode 4 OutputVertices 3
ExecutionMode 4 Triangles
ExecutionMode 4 SpacingFractionalOdd
ExecutionMode 4 VertexOrderCw
Name 4 "main"
Name 8 "hs_in_t"
MemberName 8(hs_in_t) 0 "val"
Name 14 "hs_out_t"
MemberName 14(hs_out_t) 0 "val"
Name 18 "@main(struct-hs_in_t-vf31[3];u1;"
Name 16 "i"
Name 17 "cpid"
Name 22 "hs_pcf_t"
MemberName 22(hs_pcf_t) 0 "tfactor"
MemberName 22(hs_pcf_t) 1 "flInFactor"
Name 26 "PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3];"
Name 24 "pcf_out"
Name 25 "pcf_in"
Name 31 "o"
Name 40 "i"
Name 42 "i"
Name 44 "cpid"
Name 46 "cpid"
Name 49 "@entryPointOutput"
Name 51 "param"
Name 53 "param"
Name 67 "pcf_out"
Name 68 "i"
Name 69 "param"
Name 71 "param"
Name 75 "i"
Name 76 "param"
Name 78 "param"
Name 82 "i"
Name 83 "param"
Name 85 "param"
Name 89 "@patchConstantResult"
Name 96 "@patchConstantOutput_tfactor"
Name 110 "@patchConstantOutput_flInFactor"
Name 114 "o"
Name 126 "hs_pcf_t"
Name 128 "@patchConstantOutput"
Decorate 42(i) Location 0
Decorate 46(cpid) BuiltIn InvocationId
Decorate 49(@entryPointOutput) Location 0
Decorate 96(@patchConstantOutput_tfactor) Patch
Decorate 96(@patchConstantOutput_tfactor) BuiltIn TessLevelOuter
Decorate 110(@patchConstantOutput_flInFactor) Patch
Decorate 110(@patchConstantOutput_flInFactor) BuiltIn TessLevelInner
Decorate 128(@patchConstantOutput) Patch
Decorate 128(@patchConstantOutput) Location 1
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 3
8(hs_in_t): TypeStruct 7(fvec3)
9: TypeInt 32 0
10: 9(int) Constant 3
11: TypeArray 8(hs_in_t) 10
12: TypePointer Function 11
13: TypePointer Function 9(int)
14(hs_out_t): TypeStruct 7(fvec3)
15: TypeFunction 14(hs_out_t) 12(ptr) 13(ptr)
20: TypeArray 14(hs_out_t) 10
21: TypeArray 6(float) 10
22(hs_pcf_t): TypeStruct 21 6(float)
23: TypeFunction 22(hs_pcf_t) 20 11
28: TypeInt 32 1
29: 28(int) Constant 0
30: TypePointer Function 14(hs_out_t)
35: TypePointer Function 7(fvec3)
41: TypePointer Input 11
42(i): 41(ptr) Variable Input
45: TypePointer Input 9(int)
46(cpid): 45(ptr) Variable Input
48: TypePointer Output 20
49(@entryPointOutput): 48(ptr) Variable Output
56: TypePointer Output 14(hs_out_t)
58: 9(int) Constant 2
59: 9(int) Constant 1
60: 9(int) Constant 0
62: TypeBool
66: TypePointer Function 20
74: 28(int) Constant 1
81: 28(int) Constant 2
88: TypePointer Function 22(hs_pcf_t)
93: 9(int) Constant 4
94: TypeArray 6(float) 93
95: TypePointer Output 94
96(@patchConstantOutput_tfactor): 95(ptr) Variable Output
97: TypePointer Function 6(float)
100: TypePointer Output 6(float)
108: TypeArray 6(float) 58
109: TypePointer Output 108
110(@patchConstantOutput_flInFactor): 109(ptr) Variable Output
121: 6(float) Constant 1082130432
126(hs_pcf_t): TypeStruct
127: TypePointer Output 126(hs_pcf_t)
128(@patchConstantOutput): 127(ptr) Variable Output
4(main): 2 Function None 3
5: Label
40(i): 12(ptr) Variable Function
44(cpid): 13(ptr) Variable Function
51(param): 12(ptr) Variable Function
53(param): 13(ptr) Variable Function
67(pcf_out): 66(ptr) Variable Function
68(i): 12(ptr) Variable Function
69(param): 12(ptr) Variable Function
71(param): 13(ptr) Variable Function
75(i): 12(ptr) Variable Function
76(param): 12(ptr) Variable Function
78(param): 13(ptr) Variable Function
82(i): 12(ptr) Variable Function
83(param): 12(ptr) Variable Function
85(param): 13(ptr) Variable Function
89(@patchConstantResult): 88(ptr) Variable Function
43: 11 Load 42(i)
Store 40(i) 43
47: 9(int) Load 46(cpid)
Store 44(cpid) 47
50: 9(int) Load 46(cpid)
52: 11 Load 40(i)
Store 51(param) 52
54: 9(int) Load 44(cpid)
Store 53(param) 54
55:14(hs_out_t) FunctionCall 18(@main(struct-hs_in_t-vf31[3];u1;) 51(param) 53(param)
57: 56(ptr) AccessChain 49(@entryPointOutput) 50
Store 57 55
ControlBarrier 58 59 60
61: 9(int) Load 46(cpid)
63: 62(bool) IEqual 61 29
SelectionMerge 65 None
BranchConditional 63 64 65
64: Label
70: 11 Load 68(i)
Store 69(param) 70
Store 71(param) 60
72:14(hs_out_t) FunctionCall 18(@main(struct-hs_in_t-vf31[3];u1;) 69(param) 71(param)
73: 30(ptr) AccessChain 67(pcf_out) 29
Store 73 72
77: 11 Load 75(i)
Store 76(param) 77
Store 78(param) 59
79:14(hs_out_t) FunctionCall 18(@main(struct-hs_in_t-vf31[3];u1;) 76(param) 78(param)
80: 30(ptr) AccessChain 67(pcf_out) 74
Store 80 79
84: 11 Load 82(i)
Store 83(param) 84
Store 85(param) 58
86:14(hs_out_t) FunctionCall 18(@main(struct-hs_in_t-vf31[3];u1;) 83(param) 85(param)
87: 30(ptr) AccessChain 67(pcf_out) 81
Store 87 86
90: 20 Load 67(pcf_out)
91: 11 Load 42(i)
92:22(hs_pcf_t) FunctionCall 26(PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3];) 90 91
Store 89(@patchConstantResult) 92
98: 97(ptr) AccessChain 89(@patchConstantResult) 29 29
99: 6(float) Load 98
101: 100(ptr) AccessChain 96(@patchConstantOutput_tfactor) 29
Store 101 99
102: 97(ptr) AccessChain 89(@patchConstantResult) 29 74
103: 6(float) Load 102
104: 100(ptr) AccessChain 96(@patchConstantOutput_tfactor) 74
Store 104 103
105: 97(ptr) AccessChain 89(@patchConstantResult) 29 81
106: 6(float) Load 105
107: 100(ptr) AccessChain 96(@patchConstantOutput_tfactor) 81
Store 107 106
111: 97(ptr) AccessChain 89(@patchConstantResult) 74
112: 6(float) Load 111
113: 100(ptr) AccessChain 110(@patchConstantOutput_flInFactor) 29
Store 113 112
Branch 65
65: Label
Return
FunctionEnd
18(@main(struct-hs_in_t-vf31[3];u1;):14(hs_out_t) Function None 15
16(i): 12(ptr) FunctionParameter
17(cpid): 13(ptr) FunctionParameter
19: Label
31(o): 30(ptr) Variable Function
32: 9(int) Load 17(cpid)
33: 6(float) ConvertUToF 32
34: 7(fvec3) CompositeConstruct 33 33 33
36: 35(ptr) AccessChain 31(o) 29
Store 36 34
37:14(hs_out_t) Load 31(o)
ReturnValue 37
FunctionEnd
26(PCF(struct-hs_out_t-vf31[3];struct-hs_in_t-vf31[3];):22(hs_pcf_t) Function None 23
24(pcf_out): 20 FunctionParameter
25(pcf_in): 11 FunctionParameter
27: Label
114(o): 88(ptr) Variable Function
115: 6(float) CompositeExtract 24(pcf_out) 0 0 0
116: 97(ptr) AccessChain 114(o) 29 29
Store 116 115
117: 6(float) CompositeExtract 24(pcf_out) 1 0 0
118: 97(ptr) AccessChain 114(o) 29 74
Store 118 117
119: 6(float) CompositeExtract 24(pcf_out) 2 0 0
120: 97(ptr) AccessChain 114(o) 29 81
Store 120 119
122: 97(ptr) AccessChain 114(o) 74
Store 122 121
123:22(hs_pcf_t) Load 114(o)
ReturnValue 123
FunctionEnd

47
Test/hlsl.hull.ctrlpt-2.tesc Normal file
View File

@ -0,0 +1,47 @@
// ***
// per-control-point invocation of PCF from entry point return value with
// both OutputPatch and InputPatch given to PCF.
// ***
struct hs_in_t
{
float3 val : TEXCOORD0;
};
struct hs_pcf_t
{
float tfactor[3] : SV_TessFactor; // must turn into a size 4 array in SPIR-V
float flInFactor : SV_InsideTessFactor; // must turn into a size 2 array in SPIR-V
};
struct hs_out_t
{
float3 val : TEXCOORD0;
};
[ domain ("tri") ]
[ partitioning ("fractional_odd") ]
[ outputtopology ("triangle_cw") ]
[ outputcontrolpoints (3) ]
[ patchconstantfunc ( "PCF" ) ]
hs_out_t main (InputPatch <hs_in_t, 3> i , uint cpid : SV_OutputControlPointID)
{
i[0].val;
hs_out_t o;
o.val = cpid;
return o;
}
hs_pcf_t PCF( const OutputPatch <hs_out_t, 3> pcf_out,
const InputPatch <hs_in_t, 3> pcf_in)
{
hs_pcf_t o;
o.tfactor[0] = pcf_out[0].val.x;
o.tfactor[1] = pcf_out[1].val.x;
o.tfactor[2] = pcf_out[2].val.x;
o.flInFactor = 4;
return o;
}

2
glslang/Include/BaseTypes.h
View File

@ -220,6 +220,8 @@ enum TBuiltInVariable {
EbvFragDepthLesser, EbvFragDepthLesser,
EbvStencilRef, EbvStencilRef,
EbvGsOutputStream, EbvGsOutputStream,
EbvOutputPatch,
EbvInputPatch,
EbvLast EbvLast
}; };

1
gtests/Hlsl.FromFile.cpp
View File

@ -129,6 +129,7 @@ INSTANTIATE_TEST_CASE_P(
{"hlsl.hull.2.tesc", "main"}, {"hlsl.hull.2.tesc", "main"},
{"hlsl.hull.void.tesc", "main"}, {"hlsl.hull.void.tesc", "main"},
{"hlsl.hull.ctrlpt-1.tesc", "main"}, {"hlsl.hull.ctrlpt-1.tesc", "main"},
{"hlsl.hull.ctrlpt-2.tesc", "main"},
{"hlsl.identifier.sample.frag", "main"}, {"hlsl.identifier.sample.frag", "main"},
{"hlsl.if.frag", "PixelShaderFunction"}, {"hlsl.if.frag", "PixelShaderFunction"},
{"hlsl.implicitBool.frag", "main"}, {"hlsl.implicitBool.frag", "main"},

11
hlsl/hlslGrammar.cpp
View File

@ -963,14 +963,14 @@ bool HlslGrammar::acceptOutputPrimitiveGeometry(TLayoutGeometry& geometry)
// : INPUTPATCH // : INPUTPATCH
// | OUTPUTPATCH // | OUTPUTPATCH
// //
bool HlslGrammar::acceptTessellationDeclType() bool HlslGrammar::acceptTessellationDeclType(TBuiltInVariable& patchType)
{ {
// read geometry type // read geometry type
const EHlslTokenClass tessType = peek(); const EHlslTokenClass tessType = peek();
switch (tessType) { switch (tessType) {
case EHTokInputPatch: break; case EHTokInputPatch: patchType = EbvInputPatch; break;
case EHTokOutputPatch: break; case EHTokOutputPatch: patchType = EbvOutputPatch; break;
default: default:
return false; // not a tessellation decl return false; // not a tessellation decl
} }
@ -984,7 +984,9 @@ bool HlslGrammar::acceptTessellationDeclType()
// //
bool HlslGrammar::acceptTessellationPatchTemplateType(TType& type) bool HlslGrammar::acceptTessellationPatchTemplateType(TType& type)
{ {
if (! acceptTessellationDeclType()) TBuiltInVariable patchType;
if (! acceptTessellationDeclType(patchType))
return false; return false;
if (! acceptTokenClass(EHTokLeftAngle)) if (! acceptTokenClass(EHTokLeftAngle))
@ -1011,6 +1013,7 @@ bool HlslGrammar::acceptTessellationPatchTemplateType(TType& type)
TArraySizes* arraySizes = new TArraySizes; TArraySizes* arraySizes = new TArraySizes;
arraySizes->addInnerSize(size->getAsConstantUnion()->getConstArray()[0].getIConst()); arraySizes->addInnerSize(size->getAsConstantUnion()->getConstArray()[0].getIConst());
type.newArraySizes(*arraySizes); type.newArraySizes(*arraySizes);
type.getQualifier().builtIn = patchType;
if (! acceptTokenClass(EHTokRightAngle)) { if (! acceptTokenClass(EHTokRightAngle)) {
expected("right angle bracket"); expected("right angle bracket");

2
hlsl/hlslGrammar.h
View File

@ -79,7 +79,7 @@ namespace glslang {
bool acceptTemplateVecMatBasicType(TBasicType&); bool acceptTemplateVecMatBasicType(TBasicType&);
bool acceptVectorTemplateType(TType&); bool acceptVectorTemplateType(TType&);
bool acceptMatrixTemplateType(TType&); bool acceptMatrixTemplateType(TType&);
bool acceptTessellationDeclType(); bool acceptTessellationDeclType(TBuiltInVariable&);
bool acceptTessellationPatchTemplateType(TType&); bool acceptTessellationPatchTemplateType(TType&);
bool acceptStreamOutTemplateType(TType&, TLayoutGeometry&); bool acceptStreamOutTemplateType(TType&, TLayoutGeometry&);
bool acceptOutputPrimitiveGeometry(TLayoutGeometry&); bool acceptOutputPrimitiveGeometry(TLayoutGeometry&);

74
hlsl/hlslParseHelper.cpp
View File

@ -67,7 +67,8 @@ HlslParseContext::HlslParseContext(TSymbolTable& symbolTable, TIntermediate& int
sourceEntryPointName(sourceEntryPointName), sourceEntryPointName(sourceEntryPointName),
entryPointFunction(nullptr), entryPointFunction(nullptr),
entryPointFunctionBody(nullptr), entryPointFunctionBody(nullptr),
gsStreamOutput(nullptr) gsStreamOutput(nullptr),
inputPatch(nullptr)
{ {
globalUniformDefaults.clear(); globalUniformDefaults.clear();
globalUniformDefaults.layoutMatrix = ElmRowMajor; globalUniformDefaults.layoutMatrix = ElmRowMajor;
@ -1377,6 +1378,7 @@ TIntermTyped* HlslParseContext::splitAccessStruct(const TSourceLoc& loc, TInterm
void HlslParseContext::trackLinkage(TSymbol& symbol) void HlslParseContext::trackLinkage(TSymbol& symbol)
{ {
TBuiltInVariable biType = symbol.getType().getQualifier().builtIn; TBuiltInVariable biType = symbol.getType().getQualifier().builtIn;
if (biType != EbvNone) if (biType != EbvNone)
builtInLinkageSymbols[biType] = symbol.clone(); builtInLinkageSymbols[biType] = symbol.clone();
@ -1811,6 +1813,7 @@ TIntermNode* HlslParseContext::transformEntryPoint(const TSourceLoc& loc, TFunct
else if (variable.getType().containsBuiltInInterstageIO(language)) else if (variable.getType().containsBuiltInInterstageIO(language))
split(variable); split(variable);
} }
assignLocations(variable); assignLocations(variable);
}; };
if (entryPointOutput) if (entryPointOutput)
@ -1988,6 +1991,7 @@ void HlslParseContext::remapEntryPointIO(TFunction& function, TVariable*& return
correctOutput(ioVariable->getWritableType().getQualifier()); correctOutput(ioVariable->getWritableType().getQualifier());
} }
ioVariable->getWritableType().getQualifier().storage = storage; ioVariable->getWritableType().getQualifier().storage = storage;
return ioVariable; return ioVariable;
}; };
@ -2022,6 +2026,9 @@ void HlslParseContext::remapEntryPointIO(TFunction& function, TVariable*& return
if (paramType.getQualifier().isParamInput()) { if (paramType.getQualifier().isParamInput()) {
TVariable* argAsGlobal = makeIoVariable(function[i].name->c_str(), paramType, EvqVaryingIn); TVariable* argAsGlobal = makeIoVariable(function[i].name->c_str(), paramType, EvqVaryingIn);
inputs.push_back(argAsGlobal); inputs.push_back(argAsGlobal);
if (function[i].declaredBuiltIn == EbvInputPatch)
inputPatch = argAsGlobal;
} }
if (paramType.getQualifier().isParamOutput()) { if (paramType.getQualifier().isParamOutput()) {
TVariable* argAsGlobal = makeIoVariable(function[i].name->c_str(), paramType, EvqVaryingOut); TVariable* argAsGlobal = makeIoVariable(function[i].name->c_str(), paramType, EvqVaryingOut);
@ -7574,7 +7581,10 @@ void HlslParseContext::addPatchConstantInvocation()
// Look for builtin variables in a function's parameter list. // Look for builtin variables in a function's parameter list.
const auto findBuiltIns = [&](const TFunction& function, std::set<tInterstageIoData>& builtIns) { const auto findBuiltIns = [&](const TFunction& function, std::set<tInterstageIoData>& builtIns) {
for (int p=0; p<function.getParamCount(); ++p) { for (int p=0; p<function.getParamCount(); ++p) {
const TStorageQualifier storage = function[p].type->getQualifier().storage; TStorageQualifier storage = function[p].type->getQualifier().storage;
if (storage == EvqConstReadOnly) // treated identically to input
storage = EvqIn;
if (function[p].declaredBuiltIn != EbvNone) if (function[p].declaredBuiltIn != EbvNone)
builtIns.insert(HlslParseContext::tInterstageIoData(function[p].declaredBuiltIn, storage)); builtIns.insert(HlslParseContext::tInterstageIoData(function[p].declaredBuiltIn, storage));
@ -7605,9 +7615,11 @@ void HlslParseContext::addPatchConstantInvocation()
} }
}; };
const auto isPerCtrlPt = [this](const TType& type) { const auto isOutputPatch = [this](TFunction& patchConstantFunction, int param) {
// TODO: this is not sufficient to reject all such cases in malformed shaders. const TType& type = *patchConstantFunction[param].type;
return type.isArray() && !type.isRuntimeSizedArray(); const TBuiltInVariable biType = patchConstantFunction[param].declaredBuiltIn;
return type.isArray() && !type.isRuntimeSizedArray() && biType == EbvOutputPatch;
}; };
// We will perform these steps. Each is in a scoped block for separation: they could // We will perform these steps. Each is in a scoped block for separation: they could
@ -7636,7 +7648,7 @@ void HlslParseContext::addPatchConstantInvocation()
TIntermSymbol* invocationIdSym = findLinkageSymbol(EbvInvocationId); TIntermSymbol* invocationIdSym = findLinkageSymbol(EbvInvocationId);
TIntermSequence& epBodySeq = entryPointFunctionBody->getAsAggregate()->getSequence(); TIntermSequence& epBodySeq = entryPointFunctionBody->getAsAggregate()->getSequence();
int perCtrlPtParam = -1; // -1 means there isn't one. int outPatchParam = -1; // -1 means there isn't one.
// ================ Step 1A: Union Interfaces ================ // ================ Step 1A: Union Interfaces ================
// Our patch constant function. // Our patch constant function.
@ -7662,25 +7674,37 @@ void HlslParseContext::addPatchConstantInvocation()
// Now we'll add those to the entry and to the linkage. // Now we'll add those to the entry and to the linkage.
for (int p=0; p<pcfParamCount; ++p) { for (int p=0; p<pcfParamCount; ++p) {
const TBuiltInVariable biType = patchConstantFunction[p].declaredBuiltIn; const TBuiltInVariable biType = patchConstantFunction[p].declaredBuiltIn;
const TStorageQualifier storage = patchConstantFunction[p].type->getQualifier().storage; TStorageQualifier storage = patchConstantFunction[p].type->getQualifier().storage;
// Track whether there is any per control point input // Track whether there is an output patch param
if (isPerCtrlPt(*patchConstantFunction[p].type)) { if (isOutputPatch(patchConstantFunction, p)) {
if (perCtrlPtParam >= 0) { if (outPatchParam >= 0) {
// Presently we only support one per ctrl pt input. TODO: does HLSL even allow multiple? // Presently we only support one per ctrl pt input.
error(loc, "unimplemented: multiple per control point inputs to patch constant function", "", ""); error(loc, "unimplemented: multiple output patches in patch constant function", "", "");
return; return;
} }
perCtrlPtParam = p; outPatchParam = p;
} }
if (biType != EbvNone) { if (biType != EbvNone) {
TType* paramType = patchConstantFunction[p].type->clone(); TType* paramType = patchConstantFunction[p].type->clone();
// Use the original declaration type for the linkage
paramType->getQualifier().builtIn = biType;
if (notInEntryPoint.count(tInterstageIoData(biType, storage)) == 1) if (storage == EvqConstReadOnly) // treated identically to input
addToLinkage(*paramType, patchConstantFunction[p].name, nullptr); storage = EvqIn;
// Presently, the only non-builtin we support is InputPatch, which is treated as
// a pseudo-builtin.
if (biType == EbvInputPatch) {
builtInLinkageSymbols[biType] = inputPatch;
} else if (biType == EbvOutputPatch) {
// Nothing...
} else {
// Use the original declaration type for the linkage
paramType->getQualifier().builtIn = biType;
if (notInEntryPoint.count(tInterstageIoData(biType, storage)) == 1)
addToLinkage(*paramType, patchConstantFunction[p].name, nullptr);
}
} }
} }
@ -7703,18 +7727,12 @@ void HlslParseContext::addPatchConstantInvocation()
// TODO: handle struct or array inputs // TODO: handle struct or array inputs
{ {
for (int p=0; p<pcfParamCount; ++p) { for (int p=0; p<pcfParamCount; ++p) {
if ((patchConstantFunction[p].type->isArray() && !isPerCtrlPt(*patchConstantFunction[p].type)) ||
(!patchConstantFunction[p].type->isArray() && patchConstantFunction[p].type->isStruct())) {
error(loc, "unimplemented array or variable in patch constant function signature", "", "");
return;
}
TIntermSymbol* inputArg = nullptr; TIntermSymbol* inputArg = nullptr;
if (p == perCtrlPtParam) { if (p == outPatchParam) {
if (perCtrlPtVar == nullptr) { if (perCtrlPtVar == nullptr) {
perCtrlPtVar = makeInternalVariable(*patchConstantFunction[perCtrlPtParam].name, perCtrlPtVar = makeInternalVariable(*patchConstantFunction[outPatchParam].name,
*patchConstantFunction[perCtrlPtParam].type); *patchConstantFunction[outPatchParam].type);
perCtrlPtVar->getWritableType().getQualifier().makeTemporary(); perCtrlPtVar->getWritableType().getQualifier().makeTemporary();
} }
@ -7769,9 +7787,9 @@ void HlslParseContext::addPatchConstantInvocation()
// invocations of the entry point to build up an array, or (TODO:) use a yet // invocations of the entry point to build up an array, or (TODO:) use a yet
// unavailable extension to look across the SIMD lanes. This is the former // unavailable extension to look across the SIMD lanes. This is the former
// as a placeholder for the latter. // as a placeholder for the latter.
if (perCtrlPtParam >= 0) { if (outPatchParam >= 0) {
// We must introduce a local temp variable of the type wanted by the PCF input. // We must introduce a local temp variable of the type wanted by the PCF input.
const int arraySize = patchConstantFunction[perCtrlPtParam].type->getOuterArraySize(); const int arraySize = patchConstantFunction[outPatchParam].type->getOuterArraySize();
if (entryPointFunction->getType().getBasicType() == EbtVoid) { if (entryPointFunction->getType().getBasicType() == EbtVoid) {
error(loc, "entry point must return a value for use with patch constant function", "", ""); error(loc, "entry point must return a value for use with patch constant function", "", "");

1
hlsl/hlslParseHelper.h
View File

@ -386,6 +386,7 @@ protected:
}; };
TMap<tInterstageIoData, TVariable*> interstageBuiltInIo; // individual builtin interstage IO vars, indexed by builtin type. TMap<tInterstageIoData, TVariable*> interstageBuiltInIo; // individual builtin interstage IO vars, indexed by builtin type.
TVariable* inputPatch;
// We have to move array references to structs containing builtin interstage IO to the split variables. // We have to move array references to structs containing builtin interstage IO to the split variables.
// This is only handled for one level. This stores the index, because we'll need it in the future, since // This is only handled for one level. This stores the index, because we'll need it in the future, since