Optimization for scanning less layers. (#8311)
* Optimization for scanning less layers. * Rename NUM_LAYERS to MAX_LAYER.master
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@ -257,7 +257,7 @@ uint8_t layer_switch_get_layer(keypos_t key) {
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layer_state_t layers = layer_state | default_layer_state;
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/* check top layer first */
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for (int8_t i = sizeof(layer_state_t) * 8 - 1; i >= 0; i--) {
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for (int8_t i = MAX_LAYER - 1; i >= 0; i--) {
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if (layers & (1UL << i)) {
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action = action_for_key(i, key);
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if (action.code != ACTION_TRANSPARENT) {
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@ -23,12 +23,24 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#if defined(LAYER_STATE_8BIT)
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typedef uint8_t layer_state_t;
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# define MAX_LAYER_BITS 3
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# ifndef MAX_LAYER
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# define MAX_LAYER 8
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# endif
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# define get_highest_layer(state) biton(state)
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#elif defined(LAYER_STATE_16BIT)
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typedef uint16_t layer_state_t;
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# define MAX_LAYER_BITS 4
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# ifndef MAX_LAYER
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# define MAX_LAYER 16
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# endif
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# define get_highest_layer(state) biton16(state)
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#else
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typedef uint32_t layer_state_t;
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# define MAX_LAYER_BITS 5
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# ifndef MAX_LAYER
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# define MAX_LAYER 32
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# endif
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# define get_highest_layer(state) biton32(state)
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#endif
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@ -96,8 +108,7 @@ layer_state_t layer_state_set_kb(layer_state_t state);
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/* pressed actions cache */
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#if !defined(NO_ACTION_LAYER) && !defined(STRICT_LAYER_RELEASE)
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/* The number of bits needed to represent the layer number: log2(32). */
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# define MAX_LAYER_BITS 5
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void update_source_layers_cache(keypos_t key, uint8_t layer);
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uint8_t read_source_layers_cache(keypos_t key);
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#endif
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