2022-01-20 21:58:50 +08:00
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#version 330
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2022-01-29 22:29:27 +08:00
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uniform sampler2D tex;
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2022-02-15 23:37:42 +08:00
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uniform float gamma, exposure;
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2022-01-20 21:58:50 +08:00
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2022-01-22 23:06:41 +08:00
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in vec2 fragPosScreen;
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2022-01-20 21:58:50 +08:00
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out vec4 outputColor;
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void main() {
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2022-02-21 14:01:09 +08:00
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vec4 texColor = texture(tex, fragPosScreen);
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2022-02-15 23:37:42 +08:00
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if (texColor.a < 1e-4)
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discard;
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2022-03-06 12:36:21 +08:00
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vec3 mapped = texColor.rgb;
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if (exposure < 1e-4)
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mapped = mapped / (mapped + vec3(1.0));
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else
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mapped = vec3(1.0) - exp(-mapped * exposure);
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outputColor = vec4(pow(mapped, vec3(1.0/gamma)), 1.0f);
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2022-01-20 21:58:50 +08:00
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}
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