diff --git a/src/gamma.c b/src/gamma.c index 21940b0e..eed0b66d 100644 --- a/src/gamma.c +++ b/src/gamma.c @@ -61,18 +61,15 @@ GLFWAPI void glfwSetGamma(float gamma) for (i = 0; i < size; i++) { - float value = (float) i / ((float) (size - 1)); + float value; - // Apply gamma + // Calculate intensity + value = (float) i / (float) (size - 1); + // Apply gamma curve value = (float) pow(value, 1.f / gamma) * 65535.f + 0.5f; + // Clamp to value range + value = (float) fmax(fmin(value, 65535.f), 0.f); - // Clamp values - if (value < 0.f) - value = 0.f; - else if (value > 65535.f) - value = 65535.f; - - // Set the gamma ramp values ramp.red[i] = (unsigned short) value; ramp.green[i] = (unsigned short) value; ramp.blue[i] = (unsigned short) value;