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Fix crash due to non-aligned Port allocation

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Signed-off-by: falkTX <falktx@falktx.com>
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falkTX 2022-02-08 18:16:35 +00:00
parent b637cf4c4e
commit fdc18bc10f
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GPG key ID: CDBAA37ABC74FBA0
2 changed files with 27 additions and 20 deletions
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15
include/engine/Port.hpp
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@ -38,7 +38,7 @@ namespace engine {
/** This is inspired by the number of MIDI channels. */
static const int PORT_MAX_CHANNELS = 16;
static constexpr const int PORT_MAX_CHANNELS = 16;
struct Cable;
@ -46,7 +46,9 @@ struct Cable;
struct Port {
/** Voltage of the port. */
union {
/** NOTE alignas is required in order to allow SSE usage.
Consecutive data (like in a vector) would otherwise pack Ports in a way that breaks SSE. */
union alignas(PORT_MAX_CHANNELS) {
/** Unstable API. Use getVoltage() and setVoltage() instead. */
float voltages[PORT_MAX_CHANNELS] = {};
/** DEPRECATED. Unstable API. Use getVoltage() and setVoltage() instead. */
@ -72,9 +74,6 @@ struct Port {
OUTPUT,
};
/** List of cables connected to this port (if output type). */
std::list<Cable*> cables;
/** Sets the voltage of the given channel. */
void setVoltage(float voltage, int channel = 0) {
voltages[channel] = voltage;
@ -236,7 +235,11 @@ struct Port {
};
struct Output : Port {};
struct Output : Port {
/** List of cables connected to this port. */
std::list<Cable*> cables;
};
struct Input : Port {};