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// [config]
// expect_result: fail
// glsl_version: 1.20
//
// [end config]
//
// GLSL specification states that
//
// Removal of new lines by the line-continuation character ( \ ) logically
// occurs before comments are processed.
//
// So, in the shader below, the first // in the macro below effectively makes
// the rest of the macro's characters go away, and hence, produces a
// compilation error.
//
// GNU cpp does the same. However NVIDIA accepts the shader.
//
// This was seen with MindCAD 3D Viewer.
//
#define DECLARE_FOO() \
void foo(out vec4 color) \
{ \
color = vec4(0, 1, 0, 1); \
\
// if (0) \
// { \
// color = vec4(0, 0, 1, 1) ; \
// } \
}
DECLARE_FOO()
void main()
{
foo(gl_FragColor);
}
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