зеркало из https://github.com/stride3d/xkslang.git
HLSL: allow non-vec3 tessellation coordinate declarations
HLSL requires vec2 tessellation coordinate declarations in some cases (e.g, isoline topology), where SPIR-V requires the TessCoord qualified builtin to be a vec3 in all cases. This alters the IO form of the variable to be a vec3, which will be copied to the shader's declared type if needed. This is not a validation; the shader type must be correct.
This commit is contained in:
steve-lunarg
Родитель
97cb85c7d6
Коммит
ccb076ac9b
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@ -0,0 +1,392 @@
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hlsl.domain.3.tese
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Shader version: 450
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input primitive = isolines
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vertex spacing = none
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triangle order = none
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0:? Sequence
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0:24 Function Definition: @main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11; ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 Function Parameters:
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0:24 'i' ( const (read only) 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 'tesscoord' ( in 2-component vector of float)
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0:24 'pcf_data' ( in structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:? Sequence
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0:27 move second child to first child ( temp 4-component vector of float)
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0:27 pos: direct index for structure ( temp 4-component vector of float)
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0:27 'o' ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:27 Constant:
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0:27 0 (const int)
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0:27 add ( temp 4-component vector of float)
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0:27 pos: direct index for structure ( temp 4-component vector of float)
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0:27 direct index ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:27 'i' ( const (read only) 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:27 Constant:
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0:27 0 (const int)
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0:27 Constant:
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0:27 0 (const int)
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0:27 direct index ( temp float)
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0:27 'tesscoord' ( in 2-component vector of float)
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0:27 Constant:
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0:27 0 (const int)
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0:28 move second child to first child ( temp 3-component vector of float)
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0:28 norm: direct index for structure ( temp 3-component vector of float)
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0:28 'o' ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:28 Constant:
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0:28 1 (const int)
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0:28 add ( temp 3-component vector of float)
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0:28 norm: direct index for structure ( temp 3-component vector of float)
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0:28 direct index ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:28 'i' ( const (read only) 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:28 Constant:
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0:28 0 (const int)
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0:28 Constant:
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0:28 1 (const int)
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0:28 direct index ( temp float)
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0:28 'tesscoord' ( in 2-component vector of float)
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0:28 Constant:
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0:28 1 (const int)
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0:30 Branch: Return with expression
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0:30 'o' ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 Function Definition: main( ( temp void)
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0:24 Function Parameters:
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0:? Sequence
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0:24 move second child to first child ( temp 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' ( temp 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' (layout( location=0) in 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 move second child to first child ( temp 2-component vector of float)
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0:? 'tesscoord' ( temp 2-component vector of float)
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0:? Construct vec2 ( temp 2-component vector of float)
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0:? 'tesscoord' ( patch in 3-component vector of float TessCoord)
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0:24 Sequence
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0:24 move second child to first child ( temp float)
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0:24 direct index ( temp float)
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0:24 flTessFactor: direct index for structure ( temp 3-element array of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 0 (const int)
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0:24 Constant:
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0:24 0 (const int)
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0:24 direct index ( patch in float TessLevelOuter)
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:24 Constant:
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0:24 0 (const int)
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0:24 move second child to first child ( temp float)
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0:24 direct index ( temp float)
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0:24 flTessFactor: direct index for structure ( temp 3-element array of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 0 (const int)
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0:24 Constant:
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0:24 1 (const int)
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0:24 direct index ( patch in float TessLevelOuter)
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:24 Constant:
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0:24 1 (const int)
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0:24 move second child to first child ( temp float)
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0:24 direct index ( temp float)
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0:24 flTessFactor: direct index for structure ( temp 3-element array of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 0 (const int)
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0:24 Constant:
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0:24 2 (const int)
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0:24 direct index ( patch in float TessLevelOuter)
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:24 Constant:
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0:24 2 (const int)
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0:24 move second child to first child ( temp float)
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0:24 flInsideTessFactor: direct index for structure ( temp float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 1 (const int)
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0:24 direct index ( patch in float TessLevelInner)
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0:? 'pcf_data_flInsideTessFactor' ( patch in 2-element array of float TessLevelInner)
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0:24 Constant:
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0:24 0 (const int)
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0:24 move second child to first child ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? '@entryPointOutput' (layout( location=0) out structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 Function Call: @main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11; ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' ( temp 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'tesscoord' ( temp 2-component vector of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:? Linker Objects
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0:? '@entryPointOutput' (layout( location=0) out structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' (layout( location=0) in 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'tesscoord' ( patch in 3-component vector of float TessCoord)
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0:? 'pcf_data' (layout( location=2) patch in structure{})
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:? 'pcf_data_flInsideTessFactor' ( patch in 2-element array of float TessLevelInner)
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Linked tessellation evaluation stage:
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Shader version: 450
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input primitive = isolines
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vertex spacing = none
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triangle order = none
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0:? Sequence
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0:24 Function Definition: @main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11; ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 Function Parameters:
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0:24 'i' ( const (read only) 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 'tesscoord' ( in 2-component vector of float)
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0:24 'pcf_data' ( in structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:? Sequence
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0:27 move second child to first child ( temp 4-component vector of float)
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0:27 pos: direct index for structure ( temp 4-component vector of float)
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0:27 'o' ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:27 Constant:
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0:27 0 (const int)
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0:27 add ( temp 4-component vector of float)
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0:27 pos: direct index for structure ( temp 4-component vector of float)
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0:27 direct index ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:27 'i' ( const (read only) 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:27 Constant:
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0:27 0 (const int)
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0:27 Constant:
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0:27 0 (const int)
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0:27 direct index ( temp float)
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0:27 'tesscoord' ( in 2-component vector of float)
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0:27 Constant:
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0:27 0 (const int)
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0:28 move second child to first child ( temp 3-component vector of float)
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0:28 norm: direct index for structure ( temp 3-component vector of float)
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0:28 'o' ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:28 Constant:
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0:28 1 (const int)
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0:28 add ( temp 3-component vector of float)
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0:28 norm: direct index for structure ( temp 3-component vector of float)
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0:28 direct index ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:28 'i' ( const (read only) 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:28 Constant:
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0:28 0 (const int)
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0:28 Constant:
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0:28 1 (const int)
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0:28 direct index ( temp float)
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0:28 'tesscoord' ( in 2-component vector of float)
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0:28 Constant:
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0:28 1 (const int)
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0:30 Branch: Return with expression
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0:30 'o' ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 Function Definition: main( ( temp void)
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0:24 Function Parameters:
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0:? Sequence
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0:24 move second child to first child ( temp 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' ( temp 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' (layout( location=0) in 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 move second child to first child ( temp 2-component vector of float)
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0:? 'tesscoord' ( temp 2-component vector of float)
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0:? Construct vec2 ( temp 2-component vector of float)
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0:? 'tesscoord' ( patch in 3-component vector of float TessCoord)
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0:24 Sequence
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0:24 move second child to first child ( temp float)
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0:24 direct index ( temp float)
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0:24 flTessFactor: direct index for structure ( temp 3-element array of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 0 (const int)
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0:24 Constant:
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0:24 0 (const int)
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0:24 direct index ( patch in float TessLevelOuter)
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:24 Constant:
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0:24 0 (const int)
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0:24 move second child to first child ( temp float)
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0:24 direct index ( temp float)
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0:24 flTessFactor: direct index for structure ( temp 3-element array of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 0 (const int)
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0:24 Constant:
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0:24 1 (const int)
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0:24 direct index ( patch in float TessLevelOuter)
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:24 Constant:
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0:24 1 (const int)
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0:24 move second child to first child ( temp float)
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0:24 direct index ( temp float)
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0:24 flTessFactor: direct index for structure ( temp 3-element array of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 0 (const int)
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0:24 Constant:
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0:24 2 (const int)
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0:24 direct index ( patch in float TessLevelOuter)
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:24 Constant:
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0:24 2 (const int)
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0:24 move second child to first child ( temp float)
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0:24 flInsideTessFactor: direct index for structure ( temp float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:24 Constant:
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0:24 1 (const int)
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0:24 direct index ( patch in float TessLevelInner)
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0:? 'pcf_data_flInsideTessFactor' ( patch in 2-element array of float TessLevelInner)
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0:24 Constant:
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0:24 0 (const int)
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0:24 move second child to first child ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? '@entryPointOutput' (layout( location=0) out structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:24 Function Call: @main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11; ( temp structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' ( temp 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'tesscoord' ( temp 2-component vector of float)
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0:? 'pcf_data' ( temp structure{ temp 3-element array of float flTessFactor, temp float flInsideTessFactor})
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0:? Linker Objects
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0:? '@entryPointOutput' (layout( location=0) out structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'i' (layout( location=0) in 2-element array of structure{ temp 4-component vector of float pos, temp 3-component vector of float norm})
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0:? 'tesscoord' ( patch in 3-component vector of float TessCoord)
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0:? 'pcf_data' (layout( location=2) patch in structure{})
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0:? 'pcf_data_flTessFactor' ( patch in 4-element array of float TessLevelOuter)
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0:? 'pcf_data_flInsideTessFactor' ( patch in 2-element array of float TessLevelInner)
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// Module Version 10000
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// Generated by (magic number): 80001
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// Id's are bound by 96
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Capability Tessellation
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1: ExtInstImport "GLSL.std.450"
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MemoryModel Logical GLSL450
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EntryPoint TessellationEvaluation 4 "main" 54 58 67 81 86 95
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ExecutionMode 4 Isolines
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Name 4 "main"
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Name 9 "ds_in_t"
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MemberName 9(ds_in_t) 0 "pos"
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MemberName 9(ds_in_t) 1 "norm"
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Name 17 "pcf_in_t"
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MemberName 17(pcf_in_t) 0 "flTessFactor"
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MemberName 17(pcf_in_t) 1 "flInsideTessFactor"
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Name 19 "gs_in_t"
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MemberName 19(gs_in_t) 0 "pos"
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MemberName 19(gs_in_t) 1 "norm"
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Name 24 "@main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11;"
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Name 21 "i"
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Name 22 "tesscoord"
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Name 23 "pcf_data"
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Name 27 "o"
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Name 52 "i"
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Name 54 "i"
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Name 56 "tesscoord"
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Name 58 "tesscoord"
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Name 63 "pcf_data"
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Name 67 "pcf_data_flTessFactor"
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Name 81 "pcf_data_flInsideTessFactor"
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Name 86 "@entryPointOutput"
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Name 88 "param"
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Name 90 "param"
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Name 93 "pcf_in_t"
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Name 95 "pcf_data"
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Decorate 54(i) Location 0
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Decorate 58(tesscoord) Patch
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Decorate 58(tesscoord) BuiltIn TessCoord
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Decorate 67(pcf_data_flTessFactor) Patch
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Decorate 67(pcf_data_flTessFactor) BuiltIn TessLevelOuter
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Decorate 81(pcf_data_flInsideTessFactor) Patch
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Decorate 81(pcf_data_flInsideTessFactor) BuiltIn TessLevelInner
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Decorate 86(@entryPointOutput) Location 0
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Decorate 95(pcf_data) Patch
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Decorate 95(pcf_data) Location 2
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2: TypeVoid
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3: TypeFunction 2
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6: TypeFloat 32
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7: TypeVector 6(float) 4
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||||
8: TypeVector 6(float) 3
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9(ds_in_t): TypeStruct 7(fvec4) 8(fvec3)
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10: TypeInt 32 0
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||||
11: 10(int) Constant 2
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||||
12: TypeArray 9(ds_in_t) 11
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||||
13: TypeVector 6(float) 2
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||||
14: TypePointer Function 13(fvec2)
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15: 10(int) Constant 3
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||||
16: TypeArray 6(float) 15
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||||
17(pcf_in_t): TypeStruct 16 6(float)
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||||
18: TypePointer Function 17(pcf_in_t)
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19(gs_in_t): TypeStruct 7(fvec4) 8(fvec3)
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20: TypeFunction 19(gs_in_t) 12 14(ptr) 18(ptr)
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26: TypePointer Function 19(gs_in_t)
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28: TypeInt 32 1
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||||
29: 28(int) Constant 0
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||||
31: 10(int) Constant 0
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||||
32: TypePointer Function 6(float)
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||||
37: TypePointer Function 7(fvec4)
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||||
39: 28(int) Constant 1
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41: 10(int) Constant 1
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46: TypePointer Function 8(fvec3)
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51: TypePointer Function 12
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53: TypePointer Input 12
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54(i): 53(ptr) Variable Input
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57: TypePointer Input 8(fvec3)
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58(tesscoord): 57(ptr) Variable Input
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||||
64: 10(int) Constant 4
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||||
65: TypeArray 6(float) 64
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||||
66: TypePointer Input 65
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||||
67(pcf_data_flTessFactor): 66(ptr) Variable Input
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||||
68: TypePointer Input 6(float)
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||||
75: 28(int) Constant 2
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||||
79: TypeArray 6(float) 11
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||||
80: TypePointer Input 79
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||||
81(pcf_data_flInsideTessFactor): 80(ptr) Variable Input
|
||||
85: TypePointer Output 19(gs_in_t)
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||||
86(@entryPointOutput): 85(ptr) Variable Output
|
||||
93(pcf_in_t): TypeStruct
|
||||
94: TypePointer Input 93(pcf_in_t)
|
||||
95(pcf_data): 94(ptr) Variable Input
|
||||
4(main): 2 Function None 3
|
||||
5: Label
|
||||
52(i): 51(ptr) Variable Function
|
||||
56(tesscoord): 14(ptr) Variable Function
|
||||
63(pcf_data): 18(ptr) Variable Function
|
||||
88(param): 14(ptr) Variable Function
|
||||
90(param): 18(ptr) Variable Function
|
||||
55: 12 Load 54(i)
|
||||
Store 52(i) 55
|
||||
59: 8(fvec3) Load 58(tesscoord)
|
||||
60: 6(float) CompositeExtract 59 0
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||||
61: 6(float) CompositeExtract 59 1
|
||||
62: 13(fvec2) CompositeConstruct 60 61
|
||||
Store 56(tesscoord) 62
|
||||
69: 68(ptr) AccessChain 67(pcf_data_flTessFactor) 29
|
||||
70: 6(float) Load 69
|
||||
71: 32(ptr) AccessChain 63(pcf_data) 29 29
|
||||
Store 71 70
|
||||
72: 68(ptr) AccessChain 67(pcf_data_flTessFactor) 39
|
||||
73: 6(float) Load 72
|
||||
74: 32(ptr) AccessChain 63(pcf_data) 29 39
|
||||
Store 74 73
|
||||
76: 68(ptr) AccessChain 67(pcf_data_flTessFactor) 75
|
||||
77: 6(float) Load 76
|
||||
78: 32(ptr) AccessChain 63(pcf_data) 29 75
|
||||
Store 78 77
|
||||
82: 68(ptr) AccessChain 81(pcf_data_flInsideTessFactor) 29
|
||||
83: 6(float) Load 82
|
||||
84: 32(ptr) AccessChain 63(pcf_data) 39
|
||||
Store 84 83
|
||||
87: 12 Load 52(i)
|
||||
89: 13(fvec2) Load 56(tesscoord)
|
||||
Store 88(param) 89
|
||||
91:17(pcf_in_t) Load 63(pcf_data)
|
||||
Store 90(param) 91
|
||||
92: 19(gs_in_t) FunctionCall 24(@main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11;) 87 88(param) 90(param)
|
||||
Store 86(@entryPointOutput) 92
|
||||
Return
|
||||
FunctionEnd
|
||||
24(@main(struct-ds_in_t-vf4-vf31[2];vf2;struct-pcf_in_t-f1[3]-f11;): 19(gs_in_t) Function None 20
|
||||
21(i): 12 FunctionParameter
|
||||
22(tesscoord): 14(ptr) FunctionParameter
|
||||
23(pcf_data): 18(ptr) FunctionParameter
|
||||
25: Label
|
||||
27(o): 26(ptr) Variable Function
|
||||
30: 7(fvec4) CompositeExtract 21(i) 0 0
|
||||
33: 32(ptr) AccessChain 22(tesscoord) 31
|
||||
34: 6(float) Load 33
|
||||
35: 7(fvec4) CompositeConstruct 34 34 34 34
|
||||
36: 7(fvec4) FAdd 30 35
|
||||
38: 37(ptr) AccessChain 27(o) 29
|
||||
Store 38 36
|
||||
40: 8(fvec3) CompositeExtract 21(i) 0 1
|
||||
42: 32(ptr) AccessChain 22(tesscoord) 41
|
||||
43: 6(float) Load 42
|
||||
44: 8(fvec3) CompositeConstruct 43 43 43
|
||||
45: 8(fvec3) FAdd 40 44
|
||||
47: 46(ptr) AccessChain 27(o) 39
|
||||
Store 47 45
|
||||
48: 19(gs_in_t) Load 27(o)
|
||||
ReturnValue 48
|
||||
FunctionEnd
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
// Test vec2 tessellation coordinate: the IO form should be a vec3, copied to a vec2
|
||||
// at the entry point boundary.
|
||||
|
||||
struct ds_in_t
|
||||
{
|
||||
float4 pos : POSITION;
|
||||
float3 norm : TEXCOORD0;
|
||||
};
|
||||
|
||||
struct pcf_in_t
|
||||
{
|
||||
float flTessFactor [3] : SV_TessFactor;
|
||||
float flInsideTessFactor : SV_InsideTessFactor;
|
||||
};
|
||||
|
||||
struct gs_in_t
|
||||
{
|
||||
float4 pos : POSITION;
|
||||
float3 norm : TEXCOORD0;
|
||||
};
|
||||
|
||||
[domain ( "isoline" )]
|
||||
gs_in_t main (const OutputPatch <ds_in_t, 2> i, float2 tesscoord : SV_DomainLocation, pcf_in_t pcf_data )
|
||||
{
|
||||
gs_in_t o;
|
||||
|
||||
o.pos = i[0].pos + tesscoord.x;
|
||||
o.norm = i[0].norm + tesscoord.y;
|
||||
|
||||
return o;
|
||||
}
|
||||
|
|
@ -125,6 +125,7 @@ INSTANTIATE_TEST_CASE_P(
|
|||
{"hlsl.getsampleposition.dx10.frag", "main"},
|
||||
{"hlsl.domain.1.tese", "main"},
|
||||
{"hlsl.domain.2.tese", "main"},
|
||||
{"hlsl.domain.3.tese", "main"},
|
||||
{"hlsl.hull.1.tesc", "main"},
|
||||
{"hlsl.hull.2.tesc", "main"},
|
||||
{"hlsl.hull.void.tesc", "main"},
|
||||
|
|
|
|||
|
|
@ -1042,7 +1042,7 @@ TType& HlslParseContext::split(TType& type, TString name, const TType* outerStru
|
|||
if (arraySizes)
|
||||
ioVar->getWritableType().newArraySizes(*arraySizes);
|
||||
|
||||
fixBuiltInArrayType(ioVar->getWritableType());
|
||||
fixBuiltInIoType(ioVar->getWritableType());
|
||||
|
||||
interstageBuiltInIo[tInterstageIoData(memberType, *outerStructType)] = ioVar;
|
||||
|
||||
|
|
@ -1382,29 +1382,45 @@ void HlslParseContext::trackLinkage(TSymbol& symbol)
|
|||
// Some types require fixed array sizes in SPIR-V, but can be scalars or
|
||||
// arrays of sizes SPIR-V doesn't allow. For example, tessellation factors.
|
||||
// This creates the right size. A conversion is performed when the internal
|
||||
// type is copied to or from the external type.
|
||||
void HlslParseContext::fixBuiltInArrayType(TType& type)
|
||||
// type is copied to or from the external type. This corrects the externally
|
||||
// facing input or output type to abide downstream semantics.
|
||||
void HlslParseContext::fixBuiltInIoType(TType& type)
|
||||
{
|
||||
int requiredSize = 0;
|
||||
int requiredArraySize = 0;
|
||||
|
||||
switch (type.getQualifier().builtIn) {
|
||||
case EbvTessLevelOuter: requiredSize = 4; break;
|
||||
case EbvTessLevelInner: requiredSize = 2; break;
|
||||
case EbvTessLevelOuter: requiredArraySize = 4; break;
|
||||
case EbvTessLevelInner: requiredArraySize = 2; break;
|
||||
case EbvClipDistance: // TODO: ...
|
||||
case EbvCullDistance: // TODO: ...
|
||||
return;
|
||||
case EbvTessCoord:
|
||||
{
|
||||
// tesscoord is always a vec3 for the IO variable, no matter the shader's
|
||||
// declared vector size.
|
||||
TType tessCoordType(type.getBasicType(), type.getQualifier().storage, 3);
|
||||
|
||||
tessCoordType.getQualifier() = type.getQualifier();
|
||||
type.shallowCopy(tessCoordType);
|
||||
|
||||
break;
|
||||
}
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
||||
// Alter or set array size as needed.
|
||||
if (requiredArraySize > 0) {
|
||||
if (type.isArray()) {
|
||||
// Already an array. Fix the size.
|
||||
type.changeOuterArraySize(requiredSize);
|
||||
type.changeOuterArraySize(requiredArraySize);
|
||||
} else {
|
||||
// it wasn't an array, but needs to be.
|
||||
TArraySizes arraySizes;
|
||||
arraySizes.addInnerSize(requiredSize);
|
||||
arraySizes.addInnerSize(requiredArraySize);
|
||||
type.newArraySizes(arraySizes);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Variables that correspond to the user-interface in and out of a stage
|
||||
|
|
@ -1985,6 +2001,8 @@ void HlslParseContext::remapEntryPointIO(TFunction& function, TVariable*& return
|
|||
}
|
||||
ioVariable->getWritableType().getQualifier().storage = storage;
|
||||
|
||||
fixBuiltInIoType(ioVariable->getWritableType());
|
||||
|
||||
return ioVariable;
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -250,7 +250,7 @@ protected:
|
|||
void addInterstageIoToLinkage();
|
||||
void addPatchConstantInvocation();
|
||||
|
||||
void fixBuiltInArrayType(TType&);
|
||||
void fixBuiltInIoType(TType&);
|
||||
|
||||
void flatten(const TSourceLoc& loc, const TVariable& variable);
|
||||
int flatten(const TSourceLoc& loc, const TVariable& variable, const TType&, TFlattenData&, TString name);
|
||||
|
|
|
|||
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