mirror of
https://gitlab.freedesktop.org/emersion/libliftoff.git
synced 2024-12-25 21:59:11 +01:00
127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
#include <assert.h>
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#include <inttypes.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include "private.h"
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struct liftoff_output *
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liftoff_output_create(struct liftoff_device *device, uint32_t crtc_id)
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{
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struct liftoff_output *output;
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ssize_t crtc_index;
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size_t i;
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crtc_index = -1;
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for (i = 0; i < device->crtcs_len; i++) {
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if (device->crtcs[i] == crtc_id) {
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crtc_index = (ssize_t)i;
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break;
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}
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}
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if (crtc_index < 0) {
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return NULL;
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}
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output = calloc(1, sizeof(*output));
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if (output == NULL) {
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return NULL;
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}
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output->device = device;
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output->crtc_id = crtc_id;
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output->crtc_index = (size_t)crtc_index;
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liftoff_list_init(&output->layers);
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liftoff_list_insert(&device->outputs, &output->link);
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return output;
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}
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void
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liftoff_output_destroy(struct liftoff_output *output)
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{
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if (output == NULL) {
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return;
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}
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liftoff_list_remove(&output->link);
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free(output);
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}
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void
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liftoff_output_set_composition_layer(struct liftoff_output *output,
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struct liftoff_layer *layer)
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{
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assert(layer->output == output);
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if (layer != output->composition_layer) {
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output->layers_changed = true;
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}
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output->composition_layer = layer;
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}
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bool
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liftoff_output_needs_composition(struct liftoff_output *output)
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{
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struct liftoff_layer *layer;
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liftoff_list_for_each(layer, &output->layers, link) {
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if (liftoff_layer_needs_composition(layer)) {
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return true;
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}
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}
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return false;
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}
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static double
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fp16_to_double(uint64_t val)
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{
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return (double)(val >> 16) + (double)(val & 0xFFFF) / 0xFFFF;
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}
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void
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output_log_layers(struct liftoff_output *output)
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{
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struct liftoff_layer *layer;
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size_t i;
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bool is_composition_layer;
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if (!log_has(LIFTOFF_DEBUG)) {
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return;
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}
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liftoff_log(LIFTOFF_DEBUG, "Layers on CRTC %"PRIu32" (%zu total):",
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output->crtc_id, liftoff_list_length(&output->layers));
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liftoff_list_for_each(layer, &output->layers, link) {
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if (layer->force_composition) {
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liftoff_log(LIFTOFF_DEBUG, " Layer %p "
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"(forced composition):", (void *)layer);
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} else {
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if (!layer_has_fb(layer)) {
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continue;
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}
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is_composition_layer = output->composition_layer == layer;
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liftoff_log(LIFTOFF_DEBUG, " Layer %p%s:",
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(void *)layer, is_composition_layer ?
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" (composition layer)" : "");
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}
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for (i = 0; i < layer->props_len; i++) {
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char *name = layer->props[i].name;
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uint64_t value = layer->props[i].value;
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if (strcmp(name, "CRTC_X") == 0 ||
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strcmp(name, "CRTC_Y") == 0) {
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liftoff_log(LIFTOFF_DEBUG, " %s = %+"PRIi32,
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name, (int32_t)value);
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} else if (strcmp(name, "SRC_X") == 0 ||
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strcmp(name, "SRC_Y") == 0 ||
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strcmp(name, "SRC_W") == 0 ||
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strcmp(name, "SRC_H") == 0) {
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liftoff_log(LIFTOFF_DEBUG, " %s = %f",
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name, fp16_to_double(value));
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} else {
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liftoff_log(LIFTOFF_DEBUG, " %s = %"PRIu64,
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name, value);
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}
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}
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}
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}
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