Added gamma value error check.

ago%!(EXTRA string=14 years) · 62f812873c
parent 2f4d75bd15
commit 62f812873c
1 changed files with 7 additions and 0 deletions
--- a/src/gamma.c
+++ b/src/gamma.c
@ -52,6 +52,13 @@ GLFWAPI void glfwSetGamma(float gamma)
        return;
    }

+    if (gamma <= 0.f)
+    {
+        _glfwSetError(GLFW_INVALID_VALUE,
+                      "glfwSetGamma: Gamma value must be greater than zero");
+        return;
+    }
+
    for (i = 0;  i < size;  i++)
    {
        float value = (float) i / ((float) (size - 1));