79d63934a6
Work around missing feature from GLSL. Normally we can emit a global invariant gl_Position; and call it a day, but it does not work for mesh shaders it seems. Declaring invariance inside an explicit IO block works fine on the other hand ...
20 lines
523 B
Plaintext
20 lines
523 B
Plaintext
#version 450
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#extension GL_EXT_mesh_shader : require
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layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
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layout(max_vertices = 3, max_primitives = 1, triangles) out;
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out gl_MeshPerVertexEXT
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{
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invariant vec4 gl_Position;
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} gl_MeshVerticesEXT[];
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void main()
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{
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SetMeshOutputsEXT(3u, 1u);
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gl_MeshVerticesEXT[0].gl_Position = vec4(1.0);
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gl_MeshVerticesEXT[1].gl_Position = vec4(1.0);
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gl_MeshVerticesEXT[2].gl_Position = vec4(1.0);
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gl_PrimitiveTriangleIndicesEXT[0] = uvec3(0u, 1u, 2u);
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}
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