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#extension GL_ARB_gpu_shader5 support the implicit conversion ,
So the best function matching algorithm should be actived. Signed-off-by: ZhiqianXia <xzq0528@outlook.com>
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ZhiqianXia
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20
Test/BestMatchFunction.vert
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20
Test/BestMatchFunction.vert
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#version 150
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#extension GL_ARB_gpu_shader5 : require
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uniform ivec4 u1;
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uniform uvec4 u2;
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out vec4 result;
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vec4 f(in vec4 a, in vec4 b){ return a * b;} // choice 1
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vec4 f(in uvec4 a, in uvec4 b){ return vec4(a - b);} // choice 2
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void main()
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{
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result = f(u1, u2); // should match choice 2. which have less implicit conversion.
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switch (gl_VertexID)
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{
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case 0: gl_Position = vec4(-1.0, 1.0, 0.0, 1.0); break;
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case 1: gl_Position = vec4( 1.0, 1.0, 0.0, 1.0); break;
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case 2: gl_Position = vec4(-1.0,-1.0, 0.0, 1.0); break;
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case 3: gl_Position = vec4( 1.0,-1.0, 0.0, 1.0); break;
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}
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}
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206
Test/baseResults/BestMatchFunction.vert.out
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Test/baseResults/BestMatchFunction.vert.out
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BestMatchFunction.vert
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WARNING: 0:2: '#extension' : extension is only partially supported: GL_ARB_gpu_shader5
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Shader version: 150
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Requested GL_ARB_gpu_shader5
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0:? Sequence
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0:7 Function Definition: f(vf4;vf4; ( global 4-component vector of float)
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0:7 Function Parameters:
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0:7 'a' ( in 4-component vector of float)
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0:7 'b' ( in 4-component vector of float)
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0:7 Sequence
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0:7 Branch: Return with expression
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0:7 component-wise multiply ( temp 4-component vector of float)
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0:7 'a' ( in 4-component vector of float)
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0:7 'b' ( in 4-component vector of float)
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0:8 Function Definition: f(vu4;vu4; ( global 4-component vector of float)
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0:8 Function Parameters:
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0:8 'a' ( in 4-component vector of uint)
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0:8 'b' ( in 4-component vector of uint)
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0:8 Sequence
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0:8 Branch: Return with expression
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0:8 Convert uint to float ( temp 4-component vector of float)
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0:8 subtract ( temp 4-component vector of uint)
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0:8 'a' ( in 4-component vector of uint)
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0:8 'b' ( in 4-component vector of uint)
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0:10 Function Definition: main( ( global void)
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0:10 Function Parameters:
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0:12 Sequence
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0:12 move second child to first child ( temp 4-component vector of float)
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0:12 'result' ( smooth out 4-component vector of float)
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0:12 Function Call: f(vu4;vu4; ( global 4-component vector of float)
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0:12 Convert int to uint ( temp 4-component vector of uint)
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0:12 'u1' ( uniform 4-component vector of int)
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0:12 'u2' ( uniform 4-component vector of uint)
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0:13 switch
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0:13 condition
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0:13 'gl_VertexID' ( gl_VertexId int VertexId)
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0:13 body
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0:13 Sequence
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0:15 case: with expression
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0:15 Constant:
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0:15 0 (const int)
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0:? Sequence
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0:15 move second child to first child ( temp 4-component vector of float)
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0:15 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:15 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out unsized 1-element array of float ClipDistance gl_ClipDistance})
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0:15 Constant:
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0:15 0 (const uint)
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0:15 Constant:
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0:15 -1.000000
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0:15 1.000000
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0:15 0.000000
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0:15 1.000000
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0:15 Branch: Break
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0:16 case: with expression
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0:16 Constant:
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0:16 1 (const int)
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0:? Sequence
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0:16 move second child to first child ( temp 4-component vector of float)
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0:16 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:16 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out unsized 1-element array of float ClipDistance gl_ClipDistance})
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0:16 Constant:
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0:16 0 (const uint)
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0:16 Constant:
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0:16 1.000000
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0:16 1.000000
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0:16 0.000000
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0:16 1.000000
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0:16 Branch: Break
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0:17 case: with expression
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0:17 Constant:
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0:17 2 (const int)
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0:? Sequence
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0:17 move second child to first child ( temp 4-component vector of float)
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0:17 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:17 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out unsized 1-element array of float ClipDistance gl_ClipDistance})
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0:17 Constant:
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0:17 0 (const uint)
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0:17 Constant:
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0:17 -1.000000
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0:17 -1.000000
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0:17 0.000000
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0:17 1.000000
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0:17 Branch: Break
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0:18 case: with expression
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0:18 Constant:
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0:18 3 (const int)
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0:? Sequence
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0:18 move second child to first child ( temp 4-component vector of float)
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0:18 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:18 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out unsized 1-element array of float ClipDistance gl_ClipDistance})
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0:18 Constant:
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0:18 0 (const uint)
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0:18 Constant:
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0:18 1.000000
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0:18 -1.000000
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0:18 0.000000
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0:18 1.000000
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0:18 Branch: Break
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0:? Linker Objects
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0:? 'u1' ( uniform 4-component vector of int)
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0:? 'u2' ( uniform 4-component vector of uint)
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0:? 'result' ( smooth out 4-component vector of float)
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0:? 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out unsized 1-element array of float ClipDistance gl_ClipDistance})
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0:? 'gl_VertexID' ( gl_VertexId int VertexId)
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0:? 'gl_InstanceID' ( gl_InstanceId int InstanceId)
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Linked vertex stage:
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Shader version: 150
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Requested GL_ARB_gpu_shader5
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0:? Sequence
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0:8 Function Definition: f(vu4;vu4; ( global 4-component vector of float)
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0:8 Function Parameters:
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0:8 'a' ( in 4-component vector of uint)
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0:8 'b' ( in 4-component vector of uint)
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0:8 Sequence
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0:8 Branch: Return with expression
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0:8 Convert uint to float ( temp 4-component vector of float)
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0:8 subtract ( temp 4-component vector of uint)
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0:8 'a' ( in 4-component vector of uint)
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0:8 'b' ( in 4-component vector of uint)
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0:10 Function Definition: main( ( global void)
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0:10 Function Parameters:
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0:12 Sequence
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0:12 move second child to first child ( temp 4-component vector of float)
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0:12 'result' ( smooth out 4-component vector of float)
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0:12 Function Call: f(vu4;vu4; ( global 4-component vector of float)
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0:12 Convert int to uint ( temp 4-component vector of uint)
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0:12 'u1' ( uniform 4-component vector of int)
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0:12 'u2' ( uniform 4-component vector of uint)
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0:13 switch
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0:13 condition
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0:13 'gl_VertexID' ( gl_VertexId int VertexId)
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0:13 body
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0:13 Sequence
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0:15 case: with expression
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0:15 Constant:
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0:15 0 (const int)
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0:? Sequence
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0:15 move second child to first child ( temp 4-component vector of float)
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0:15 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:15 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out 1-element array of float ClipDistance gl_ClipDistance})
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0:15 Constant:
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0:15 0 (const uint)
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0:15 Constant:
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0:15 -1.000000
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0:15 1.000000
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0:15 0.000000
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0:15 1.000000
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0:15 Branch: Break
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0:16 case: with expression
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0:16 Constant:
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0:16 1 (const int)
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0:? Sequence
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0:16 move second child to first child ( temp 4-component vector of float)
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0:16 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:16 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out 1-element array of float ClipDistance gl_ClipDistance})
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0:16 Constant:
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0:16 0 (const uint)
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0:16 Constant:
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0:16 1.000000
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0:16 1.000000
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0:16 0.000000
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0:16 1.000000
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0:16 Branch: Break
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0:17 case: with expression
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0:17 Constant:
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0:17 2 (const int)
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0:? Sequence
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0:17 move second child to first child ( temp 4-component vector of float)
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0:17 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:17 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out 1-element array of float ClipDistance gl_ClipDistance})
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0:17 Constant:
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0:17 0 (const uint)
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0:17 Constant:
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0:17 -1.000000
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0:17 -1.000000
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0:17 0.000000
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0:17 1.000000
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0:17 Branch: Break
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0:18 case: with expression
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0:18 Constant:
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0:18 3 (const int)
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0:? Sequence
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0:18 move second child to first child ( temp 4-component vector of float)
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0:18 gl_Position: direct index for structure ( gl_Position 4-component vector of float Position)
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0:18 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out 1-element array of float ClipDistance gl_ClipDistance})
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0:18 Constant:
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0:18 0 (const uint)
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0:18 Constant:
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0:18 1.000000
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0:18 -1.000000
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0:18 0.000000
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0:18 1.000000
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0:18 Branch: Break
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0:? Linker Objects
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0:? 'u1' ( uniform 4-component vector of int)
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0:? 'u2' ( uniform 4-component vector of uint)
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0:? 'result' ( smooth out 4-component vector of float)
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0:? 'anon@0' ( out block{ gl_Position 4-component vector of float Position gl_Position, gl_PointSize float PointSize gl_PointSize, out 1-element array of float ClipDistance gl_ClipDistance})
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0:? 'gl_VertexID' ( gl_VertexId int VertexId)
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0:? 'gl_InstanceID' ( gl_InstanceId int InstanceId)
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@ -6650,8 +6650,10 @@ const TFunction* TParseContext::findFunction(const TSourceLoc& loc, const TFunct
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: findFunctionExact(loc, call, builtIn));
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else if (version < 120)
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function = findFunctionExact(loc, call, builtIn);
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else if (version < 400)
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function = extensionTurnedOn(E_GL_ARB_gpu_shader_fp64) ? findFunction400(loc, call, builtIn) : findFunction120(loc, call, builtIn);
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else if (version < 400) {
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bool needfindFunction400 = extensionTurnedOn(E_GL_ARB_gpu_shader_fp64) || extensionTurnedOn(E_GL_ARB_gpu_shader5);
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function = needfindFunction400 ? findFunction400(loc, call, builtIn) : findFunction120(loc, call, builtIn);
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}
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else if (explicitTypesEnabled)
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function = findFunctionExplicitTypes(loc, call, builtIn);
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else
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@ -287,6 +287,7 @@ INSTANTIATE_TEST_SUITE_P(
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"atomicCounterARBOps.vert",
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"GL_EXT_shader_integer_mix.vert",
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"GL_ARB_draw_instanced.vert",
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"BestMatchFunction.vert",
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})),
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FileNameAsCustomTestSuffix
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);
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