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Added gamma value error check.

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This commit is contained in:
Camilla Berglund 2011-09-06 15:47:17 +02:00
parent 2f4d75bd15
commit 62f812873c
1 changed files with 7 additions and 0 deletions
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7
src/gamma.c
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@ -52,6 +52,13 @@ GLFWAPI void glfwSetGamma(float gamma)
return; return;
} }
if (gamma <= 0.f)
{
_glfwSetError(GLFW_INVALID_VALUE,
"glfwSetGamma: Gamma value must be greater than zero");
return;
}
for (i = 0; i < size; i++) for (i = 0; i < size; i++)
{ {
float value = (float) i / ((float) (size - 1)); float value = (float) i / ((float) (size - 1));