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Refactor platform selection for clarity?
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76a5f781db
commit
2a78a2cf82
@ -73,31 +73,34 @@ GLFWbool _glfwSelectPlatform(int desiredID, _GLFWplatform* platform)
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if (desiredID == GLFW_PLATFORM_NULL)
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return _glfwConnectNull(desiredID, platform);
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// If there is only one platform available for auto-selection, let it emit the error
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// on failure as the platform-specific error description may be more helpful
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if (desiredID == GLFW_ANY_PLATFORM && count == 1)
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return supportedPlatforms[0].connect(supportedPlatforms[0].ID, platform);
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for (i = 0; i < count; i++)
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if (desiredID == GLFW_ANY_PLATFORM)
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{
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if (desiredID == GLFW_ANY_PLATFORM || desiredID == supportedPlatforms[i].ID)
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// If there is exactly one platform available for auto-selection, let it emit the
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// error on failure as the platform-specific error description may be more helpful
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if (count == 1)
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return supportedPlatforms[0].connect(supportedPlatforms[0].ID, platform);
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for (i = 0; i < count; i++)
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{
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if (supportedPlatforms[i].connect(desiredID, platform))
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return GLFW_TRUE;
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else if (desiredID == supportedPlatforms[i].ID)
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return GLFW_FALSE;
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}
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}
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if (desiredID == GLFW_ANY_PLATFORM)
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{
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if (count)
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_glfwInputError(GLFW_PLATFORM_UNAVAILABLE, "Failed to detect any supported platform");
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else
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_glfwInputError(GLFW_PLATFORM_UNAVAILABLE, "This binary only supports the Null platform");
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}
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else
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{
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for (i = 0; i < count; i++)
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{
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if (supportedPlatforms[i].ID == desiredID)
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return supportedPlatforms[i].connect(desiredID, platform);
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}
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_glfwInputError(GLFW_PLATFORM_UNAVAILABLE, "The requested platform is not supported");
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}
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return GLFW_FALSE;
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}
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