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Added and documented glfwSetGamma value checks.
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@ -1424,7 +1424,8 @@ GLFWAPI const GLFWvidmode* glfwGetVideoMode(GLFWmonitor* monitor);
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/*! @brief Generates a gamma ramp and sets it for the specified monitor.
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*
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* This function generates a 256-element gamma ramp from the specified exponent
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* and then calls @ref glfwSetGammaRamp with it.
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* and then calls @ref glfwSetGammaRamp with it. The value must be a finite
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* number greater than zero.
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*
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* @param[in] monitor The monitor whose gamma ramp to set.
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* @param[in] gamma The desired exponent.
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@ -28,6 +28,7 @@
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#include "internal.h"
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#include <math.h>
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#include <float.h>
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#include <string.h>
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#include <stdlib.h>
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#include <limits.h>
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@ -385,10 +386,9 @@ GLFWAPI void glfwSetGamma(GLFWmonitor* handle, float gamma)
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_GLFW_REQUIRE_INIT();
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if (gamma <= 0.f)
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if (gamma != gamma || gamma <= 0.f || gamma > FLT_MAX)
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{
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_glfwInputError(GLFW_INVALID_VALUE,
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"Gamma value must be greater than zero");
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_glfwInputError(GLFW_INVALID_VALUE, "Invalid gamma value");
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return;
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}
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