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HLSL: Emulate write-to-output on return-from-entry-point, for return value.

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This fixes issue #487 and #480.
It also correctly handles output parameters from the entry point.
This commit is contained in:
John Kessenich 2016-08-28 15:00:23 -06:00
parent 81cd764b5f
commit 6a70eb7161
91 changed files with 5158 additions and 4130 deletions
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48
Test/baseResults/hlsl.max.frag.out
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@ -7,10 +7,13 @@ gl_FragCoord origin is upper left
0:2 'input1' (in 4-component vector of float)
0:2 'input2' (in 4-component vector of float)
0:? Sequence
0:3 Branch: Return with expression
0:3 max (global 4-component vector of float)
0:3 'input1' (in 4-component vector of float)
0:3 'input2' (in 4-component vector of float)
0:3 Sequence
0:3 move second child to first child (temp 4-component vector of float)
0:? '@entryPointOutput' (out 4-component vector of float)
0:3 max (global 4-component vector of float)
0:3 'input1' (in 4-component vector of float)
0:3 'input2' (in 4-component vector of float)
0:3 Branch: Return
0:? Linker Objects
@ -25,35 +28,42 @@ gl_FragCoord origin is upper left
0:2 'input1' (in 4-component vector of float)
0:2 'input2' (in 4-component vector of float)
0:? Sequence
0:3 Branch: Return with expression
0:3 max (global 4-component vector of float)
0:3 'input1' (in 4-component vector of float)
0:3 'input2' (in 4-component vector of float)
0:3 Sequence
0:3 move second child to first child (temp 4-component vector of float)
0:? '@entryPointOutput' (out 4-component vector of float)
0:3 max (global 4-component vector of float)
0:3 'input1' (in 4-component vector of float)
0:3 'input2' (in 4-component vector of float)
0:3 Branch: Return
0:? Linker Objects
// Module Version 10000
// Generated by (magic number): 80001
// Id's are bound by 15
// Id's are bound by 17
Capability Shader
1: ExtInstImport "GLSL.std.450"
MemoryModel Logical GLSL450
EntryPoint Fragment 4 "PixelShaderFunction" 9 11
EntryPoint Fragment 4 "PixelShaderFunction" 9 11 13
ExecutionMode 4 OriginUpperLeft
Name 4 "PixelShaderFunction"
Name 9 "input1"
Name 11 "input2"
Name 9 "@entryPointOutput"
Name 11 "input1"
Name 13 "input2"
2: TypeVoid
3: TypeFunction 2
6: TypeFloat 32
7: TypeVector 6(float) 4
8: TypePointer Input 7(fvec4)
9(input1): 8(ptr) Variable Input
11(input2): 8(ptr) Variable Input
8: TypePointer Output 7(fvec4)
9(@entryPointOutput): 8(ptr) Variable Output
10: TypePointer Input 7(fvec4)
11(input1): 10(ptr) Variable Input
13(input2): 10(ptr) Variable Input
4(PixelShaderFunction): 2 Function None 3
5: Label
10: 7(fvec4) Load 9(input1)
12: 7(fvec4) Load 11(input2)
13: 7(fvec4) ExtInst 1(GLSL.std.450) 40(FMax) 10 12
ReturnValue 13
12: 7(fvec4) Load 11(input1)
14: 7(fvec4) Load 13(input2)
15: 7(fvec4) ExtInst 1(GLSL.std.450) 40(FMax) 12 14
Store 9(@entryPointOutput) 15
Return
FunctionEnd