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26 lines
620 B
Plaintext
26 lines
620 B
Plaintext
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#ifdef GL_ES
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precision highp float;
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#endif
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// Declare inputs and outputs
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// gl_FragColor : Implicitly declare in fragments shaders less than 1.40.
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// Output color of our fragment.
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// fragColor : Output color of our fragment. Basically the same as gl_FragColor,
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// but we must explicitly declared this in shaders version 1.40 and
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// above.
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#if __VERSION__ >= 140
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out vec4 fragColor;
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#endif
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#if __VERSION__ >= 140
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#define OUTPUT_RED fragColor = vec4(1.0, 0.0, 0.0, 1.0)
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#else
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#define OUTPUT_RED gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0)
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#endif
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void main(void)
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{
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OUTPUT_RED;
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}
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