fb53f83503
Use of gl_Layer and gl_ViewportIndex in tessellation and vertex shaders should not trigger the addition of the Geometry capability. Fixes #2461 Added tests for use of gl_Layer and gl_ViewportIndex in a tessellation evaluation shader. Several tests for NVIDIA features for tessellation, vertex, or mesh shaders now lose the Geometry or MultiViewport capabilities. This is ok because the functionality is already covered by the ShaderViewportIndexLayerNV capability. The spv.meshShaderPerViewBuiltins.mesh test now fails validation because the validator does not know that PrimitiveId (and possibly other) builtins are enabled by the MeshShadingNV capability. I filed https://github.com/KhronosGroup/SPIRV-Headers/issues/179 to fix the grammar upstream.
46 lines
2.2 KiB
Plaintext
46 lines
2.2 KiB
Plaintext
spv.viewportArray2.vert
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// Module Version 10000
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// Generated by (magic number): 8000a
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// Id's are bound by 19
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Capability Shader
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Capability ShaderViewportIndexLayerNV
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Capability ShaderViewportMaskNV
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Extension "SPV_EXT_shader_viewport_index_layer"
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Extension "SPV_NV_viewport_array2"
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1: ExtInstImport "GLSL.std.450"
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MemoryModel Logical GLSL450
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EntryPoint Vertex 4 "main" 11 16 18
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Source GLSL 450
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SourceExtension "GL_ARB_shader_viewport_layer_array"
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SourceExtension "GL_NV_viewport_array2"
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Name 4 "main"
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Name 11 "gl_ViewportMask"
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Name 16 "gl_ViewportIndex"
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Name 18 "gl_Layer"
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Decorate 11(gl_ViewportMask) BuiltIn ViewportMaskNV
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Decorate 16(gl_ViewportIndex) BuiltIn ViewportIndex
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Decorate 18(gl_Layer) BuiltIn Layer
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Decorate 18(gl_Layer) ViewportRelativeNV
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2: TypeVoid
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3: TypeFunction 2
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6: TypeInt 32 1
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7: TypeInt 32 0
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8: 7(int) Constant 1
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9: TypeArray 6(int) 8
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10: TypePointer Output 9
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11(gl_ViewportMask): 10(ptr) Variable Output
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12: 6(int) Constant 0
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13: 6(int) Constant 1
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14: TypePointer Output 6(int)
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16(gl_ViewportIndex): 14(ptr) Variable Output
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17: 6(int) Constant 2
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18(gl_Layer): 14(ptr) Variable Output
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4(main): 2 Function None 3
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5: Label
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15: 14(ptr) AccessChain 11(gl_ViewportMask) 12
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Store 15 13
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Store 16(gl_ViewportIndex) 17
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Return
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FunctionEnd
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