chromium/third_party/glslang/src/Test/preprocessor.simple.vert


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#version 310 es
#define X 1
#define Y clamp
#define Z X

#define F 1, 2

#define make_function \
  float fn ( float x ) \
  {\
    return x + 4.0; \
  }

make_function

int main() {
  gl_Position = vec4(X);
  gl_Position = Y(1, 2, 3);
  gl_Position = vec4(Z);
  gl_Position = vec4(F);
  gl_Position = vec4(fn(3));
}