mirror of
https://gitlab.freedesktop.org/emersion/libliftoff.git
synced 2024-12-26 21:59:18 +01:00
Rename display to device
"Display" can also mean "screen"/"monitor", so it's kind of confusing for this usage.
This commit is contained in:
Simon Ser
parent
5f39331f78
commit
b0e2b083f9
6 changed files with 83 additions and 83 deletions
64
alloc.c
64
alloc.c
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@ -189,7 +189,7 @@ static bool has_allocated_layer_over(struct liftoff_output *output,
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}
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i = -1;
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liftoff_list_for_each(other_plane, &output->display->planes, link) {
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liftoff_list_for_each(other_plane, &output->device->planes, link) {
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i++;
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if (i >= (ssize_t)step->plane_idx) {
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break;
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@ -230,7 +230,7 @@ static bool has_allocated_plane_under(struct liftoff_output *output,
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plane = liftoff_container_of(step->plane_link, plane, link);
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i = -1;
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liftoff_list_for_each(other_plane, &output->display->planes, link) {
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liftoff_list_for_each(other_plane, &output->device->planes, link) {
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i++;
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if (i >= (ssize_t)step->plane_idx) {
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break;
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@ -343,12 +343,12 @@ bool check_alloc_valid(struct alloc_result *result, struct alloc_step *step)
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return true;
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}
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static bool display_test_commit(struct liftoff_display *display,
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static bool device_test_commit(struct liftoff_device *device,
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drmModeAtomicReq *req, bool *compatible)
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{
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int ret;
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ret = drmModeAtomicCommit(display->drm_fd, req,
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ret = drmModeAtomicCommit(device->drm_fd, req,
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DRM_MODE_ATOMIC_TEST_ONLY, NULL);
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if (ret == 0) {
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*compatible = true;
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@ -366,7 +366,7 @@ static bool display_test_commit(struct liftoff_display *display,
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bool output_choose_layers(struct liftoff_output *output,
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struct alloc_result *result, struct alloc_step *step)
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{
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struct liftoff_display *display;
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struct liftoff_device *device;
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struct liftoff_plane *plane;
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struct liftoff_layer *layer;
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int cursor;
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@ -374,9 +374,9 @@ bool output_choose_layers(struct liftoff_output *output,
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bool compatible;
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struct alloc_step next_step;
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display = output->display;
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device = output->device;
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if (step->plane_link == &display->planes) { /* Allocation finished */
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if (step->plane_link == &device->planes) { /* Allocation finished */
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if (step->score > result->best_score &&
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check_alloc_valid(result, step)) {
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/* We found a better allocation */
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@ -437,7 +437,7 @@ bool output_choose_layers(struct liftoff_output *output,
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continue;
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}
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if (!display_test_commit(display, result->req, &compatible)) {
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if (!device_test_commit(device, result->req, &compatible)) {
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return false;
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}
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if (compatible) {
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@ -465,7 +465,7 @@ skip:
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return true;
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}
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static bool apply_current(struct liftoff_display *display,
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static bool apply_current(struct liftoff_device *device,
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drmModeAtomicReq *req)
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{
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struct liftoff_plane *plane;
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@ -474,7 +474,7 @@ static bool apply_current(struct liftoff_display *display,
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cursor = drmModeAtomicGetCursor(req);
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liftoff_list_for_each(plane, &display->planes, link) {
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liftoff_list_for_each(plane, &device->planes, link) {
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if (!plane_apply(plane, plane->layer, req, &compatible)) {
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drmModeAtomicSetCursor(req, cursor);
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return false;
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@ -509,7 +509,7 @@ static bool layer_needs_realloc(struct liftoff_layer *layer)
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return false;
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}
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static bool reuse_previous_alloc(struct liftoff_display *display,
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static bool reuse_previous_alloc(struct liftoff_device *device,
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drmModeAtomicReq *req)
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{
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struct liftoff_output *output;
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@ -517,7 +517,7 @@ static bool reuse_previous_alloc(struct liftoff_display *display,
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int cursor;
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bool compatible;
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liftoff_list_for_each(output, &display->outputs, link) {
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liftoff_list_for_each(output, &device->outputs, link) {
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liftoff_list_for_each(layer, &output->layers, link) {
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if (layer_needs_realloc(layer)) {
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return false;
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@ -527,10 +527,10 @@ static bool reuse_previous_alloc(struct liftoff_display *display,
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cursor = drmModeAtomicGetCursor(req);
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if (!apply_current(display, req)) {
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if (!apply_current(device, req)) {
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return false;
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}
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if (!display_test_commit(display, req, &compatible) || !compatible) {
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if (!device_test_commit(device, req, &compatible) || !compatible) {
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drmModeAtomicSetCursor(req, cursor);
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return false;
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}
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@ -538,38 +538,38 @@ static bool reuse_previous_alloc(struct liftoff_display *display,
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return true;
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}
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static void mark_layers_clean(struct liftoff_display *display)
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static void mark_layers_clean(struct liftoff_device *device)
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{
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struct liftoff_output *output;
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struct liftoff_layer *layer;
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liftoff_list_for_each(output, &display->outputs, link) {
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liftoff_list_for_each(output, &device->outputs, link) {
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liftoff_list_for_each(layer, &output->layers, link) {
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layer_mark_clean(layer);
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}
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}
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}
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static void update_layers_priority(struct liftoff_display *display)
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static void update_layers_priority(struct liftoff_device *device)
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{
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struct liftoff_output *output;
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struct liftoff_layer *layer;
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display->page_flip_counter++;
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device->page_flip_counter++;
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bool period_elapsed =
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display->page_flip_counter >= LIFTOFF_PRIORITY_PERIOD;
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device->page_flip_counter >= LIFTOFF_PRIORITY_PERIOD;
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if (period_elapsed) {
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display->page_flip_counter = 0;
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device->page_flip_counter = 0;
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}
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liftoff_list_for_each(output, &display->outputs, link) {
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liftoff_list_for_each(output, &device->outputs, link) {
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liftoff_list_for_each(layer, &output->layers, link) {
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layer_update_priority(layer, period_elapsed);
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}
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}
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}
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bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *req)
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bool liftoff_device_apply(struct liftoff_device *device, drmModeAtomicReq *req)
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{
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struct liftoff_output *output;
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struct liftoff_plane *plane;
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@ -579,15 +579,15 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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size_t i;
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bool compatible;
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update_layers_priority(display);
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update_layers_priority(device);
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if (reuse_previous_alloc(display, req)) {
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if (reuse_previous_alloc(device, req)) {
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liftoff_log(LIFTOFF_DEBUG, "Re-using previous plane allocation");
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return true;
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}
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/* Unset all existing plane and layer mappings. */
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liftoff_list_for_each(plane, &display->planes, link) {
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liftoff_list_for_each(plane, &device->planes, link) {
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if (plane->layer != NULL) {
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plane->layer->plane = NULL;
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plane->layer = NULL;
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@ -596,7 +596,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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/* Disable all planes. Do it before building mappings to make sure not
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to hit bandwidth limits because too many planes are enabled. */
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liftoff_list_for_each(plane, &display->planes, link) {
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liftoff_list_for_each(plane, &device->planes, link) {
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if (plane->layer == NULL) {
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liftoff_log(LIFTOFF_DEBUG,
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"Disabling plane %d", plane->id);
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@ -608,7 +608,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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}
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result.req = req;
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result.planes_len = liftoff_list_length(&display->planes);
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result.planes_len = liftoff_list_length(&device->planes);
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step.alloc = malloc(result.planes_len * sizeof(*step.alloc));
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result.best = malloc(result.planes_len * sizeof(*result.best));
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@ -622,7 +622,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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* issues? Also: be fair when mapping planes to outputs, don't give all
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* planes to a single output. Also: don't treat each output separately,
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* allocate planes for all outputs at once. */
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liftoff_list_for_each(output, &display->outputs, link) {
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liftoff_list_for_each(output, &device->outputs, link) {
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/* For each plane, try to find a layer. Don't do it the other
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* way around (ie. for each layer, try to find a plane) because
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* some drivers want user-space to enable the primary plane
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@ -636,7 +636,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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if (output->composition_layer != NULL) {
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result.non_composition_layers_len--;
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}
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step.plane_link = display->planes.next;
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step.plane_link = device->planes.next;
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step.plane_idx = 0;
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step.score = 0;
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step.last_layer_zpos = INT_MAX;
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@ -651,7 +651,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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/* Apply the best allocation */
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i = 0;
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liftoff_list_for_each(plane, &display->planes, link) {
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liftoff_list_for_each(plane, &device->planes, link) {
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layer = result.best[i];
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i++;
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if (layer == NULL) {
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@ -668,7 +668,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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layer->plane = plane;
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}
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if (!apply_current(display, req)) {
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if (!apply_current(device, req)) {
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return false;
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}
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}
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@ -676,7 +676,7 @@ bool liftoff_display_apply(struct liftoff_display *display, drmModeAtomicReq *re
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free(step.alloc);
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free(result.best);
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mark_layers_clean(display);
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mark_layers_clean(device);
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return true;
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}
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48
display.c
48
display.c
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@ -4,45 +4,45 @@
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#include "log.h"
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#include "private.h"
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struct liftoff_display *liftoff_display_create(int drm_fd)
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struct liftoff_device *liftoff_device_create(int drm_fd)
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{
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struct liftoff_display *display;
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struct liftoff_device *device;
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drmModeRes *drm_res;
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drmModePlaneRes *drm_plane_res;
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uint32_t i;
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display = calloc(1, sizeof(*display));
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if (display == NULL) {
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device = calloc(1, sizeof(*device));
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if (device == NULL) {
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liftoff_log_errno(LIFTOFF_ERROR, "calloc");
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return NULL;
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}
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liftoff_list_init(&display->planes);
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liftoff_list_init(&display->outputs);
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liftoff_list_init(&device->planes);
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liftoff_list_init(&device->outputs);
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display->drm_fd = dup(drm_fd);
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if (display->drm_fd < 0) {
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device->drm_fd = dup(drm_fd);
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if (device->drm_fd < 0) {
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liftoff_log_errno(LIFTOFF_ERROR, "dup");
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liftoff_display_destroy(display);
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liftoff_device_destroy(device);
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return NULL;
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}
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drm_res = drmModeGetResources(drm_fd);
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if (drm_res == NULL) {
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liftoff_log_errno(LIFTOFF_ERROR, "drmModeGetResources");
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liftoff_display_destroy(display);
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liftoff_device_destroy(device);
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return NULL;
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}
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display->crtcs = malloc(drm_res->count_crtcs * sizeof(uint32_t));
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if (display->crtcs == NULL) {
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device->crtcs = malloc(drm_res->count_crtcs * sizeof(uint32_t));
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if (device->crtcs == NULL) {
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liftoff_log_errno(LIFTOFF_ERROR, "malloc");
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drmModeFreeResources(drm_res);
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liftoff_display_destroy(display);
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liftoff_device_destroy(device);
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return NULL;
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}
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display->crtcs_len = drm_res->count_crtcs;
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memcpy(display->crtcs, drm_res->crtcs,
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device->crtcs_len = drm_res->count_crtcs;
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memcpy(device->crtcs, drm_res->crtcs,
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drm_res->count_crtcs * sizeof(uint32_t));
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drmModeFreeResources(drm_res);
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@ -51,29 +51,29 @@ struct liftoff_display *liftoff_display_create(int drm_fd)
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drm_plane_res = drmModeGetPlaneResources(drm_fd);
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if (drm_plane_res == NULL) {
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liftoff_log_errno(LIFTOFF_ERROR, "drmModeGetPlaneResources");
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liftoff_display_destroy(display);
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liftoff_device_destroy(device);
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return NULL;
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}
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for (i = 0; i < drm_plane_res->count_planes; i++) {
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if (plane_create(display, drm_plane_res->planes[i]) == NULL) {
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liftoff_display_destroy(display);
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if (plane_create(device, drm_plane_res->planes[i]) == NULL) {
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liftoff_device_destroy(device);
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return NULL;
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}
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}
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drmModeFreePlaneResources(drm_plane_res);
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return display;
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return device;
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}
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void liftoff_display_destroy(struct liftoff_display *display)
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void liftoff_device_destroy(struct liftoff_device *device)
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{
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struct liftoff_plane *plane, *tmp;
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close(display->drm_fd);
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liftoff_list_for_each_safe(plane, tmp, &display->planes, link) {
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close(device->drm_fd);
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liftoff_list_for_each_safe(plane, tmp, &device->planes, link) {
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plane_destroy(plane);
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}
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free(display->crtcs);
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free(display);
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free(device->crtcs);
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free(device);
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}
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@ -7,7 +7,7 @@
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#include <stddef.h>
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#include <xf86drmMode.h>
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struct liftoff_display;
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struct liftoff_device;
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struct liftoff_output;
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struct liftoff_layer;
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@ -15,21 +15,21 @@ struct liftoff_layer;
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* Initialize libliftoff for a DRM node. The node is expected to have
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* DRM_CLIENT_CAP_UNIVERSAL_PLANES and DRM_CLIENT_CAP_ATOMIC enabled.
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*/
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struct liftoff_display *liftoff_display_create(int drm_fd);
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void liftoff_display_destroy(struct liftoff_display *display);
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struct liftoff_device *liftoff_device_create(int drm_fd);
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void liftoff_device_destroy(struct liftoff_device *device);
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/**
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* Build a layer to plane mapping and append the plane configuration to `req`.
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* Callers are expected to commit `req` afterwards and can read the layer to
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* plane mapping with `liftoff_layer_get_plane_id`.
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*/
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bool liftoff_display_apply(struct liftoff_display *display,
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bool liftoff_device_apply(struct liftoff_device *device,
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drmModeAtomicReq *req);
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/**
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* Make the display manage a CRTC's planes. The returned output allows callers
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* Make the device manage a CRTC's planes. The returned output allows callers
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* to attach layers.
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*/
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struct liftoff_output *liftoff_output_create(struct liftoff_display *display,
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struct liftoff_output *liftoff_output_create(struct liftoff_device *device,
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uint32_t crtc_id);
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void liftoff_output_destroy(struct liftoff_output *output);
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/**
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@ -9,7 +9,7 @@
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* given number of page-flips */
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#define LIFTOFF_PRIORITY_PERIOD 60
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struct liftoff_display {
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struct liftoff_device {
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int drm_fd;
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struct liftoff_list planes; /* liftoff_plane.link */
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@ -22,10 +22,10 @@ struct liftoff_display {
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};
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struct liftoff_output {
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struct liftoff_display *display;
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struct liftoff_device *device;
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uint32_t crtc_id;
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size_t crtc_index;
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struct liftoff_list link; /* liftoff_display.outputs */
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struct liftoff_list link; /* liftoff_device.outputs */
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struct liftoff_layer *composition_layer;
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@ -56,7 +56,7 @@ struct liftoff_plane {
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uint32_t type;
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int zpos; /* greater values mean closer to the eye */
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/* TODO: formats */
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struct liftoff_list link; /* liftoff_display.planes */
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struct liftoff_list link; /* liftoff_device.planes */
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struct liftoff_plane_property *props;
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size_t props_len;
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@ -81,7 +81,7 @@ bool layer_intersects(struct liftoff_layer *a, struct liftoff_layer *b);
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void layer_mark_clean(struct liftoff_layer *layer);
|
||||
void layer_update_priority(struct liftoff_layer *layer, bool make_current);
|
||||
|
||||
struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id);
|
||||
struct liftoff_plane *plane_create(struct liftoff_device *device, uint32_t id);
|
||||
void plane_destroy(struct liftoff_plane *plane);
|
||||
struct liftoff_plane_property *plane_get_property(struct liftoff_plane *plane,
|
||||
const char *name);
|
||||
|
|
|
|||
10
output.c
10
output.c
|
|
@ -4,7 +4,7 @@
|
|||
#include <sys/types.h>
|
||||
#include "private.h"
|
||||
|
||||
struct liftoff_output *liftoff_output_create(struct liftoff_display *display,
|
||||
struct liftoff_output *liftoff_output_create(struct liftoff_device *device,
|
||||
uint32_t crtc_id)
|
||||
{
|
||||
struct liftoff_output *output;
|
||||
|
|
@ -12,8 +12,8 @@ struct liftoff_output *liftoff_output_create(struct liftoff_display *display,
|
|||
size_t i;
|
||||
|
||||
crtc_index = -1;
|
||||
for (i = 0; i < display->crtcs_len; i++) {
|
||||
if (display->crtcs[i] == crtc_id) {
|
||||
for (i = 0; i < device->crtcs_len; i++) {
|
||||
if (device->crtcs[i] == crtc_id) {
|
||||
crtc_index = i;
|
||||
break;
|
||||
}
|
||||
|
|
@ -26,11 +26,11 @@ struct liftoff_output *liftoff_output_create(struct liftoff_display *display,
|
|||
if (output == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
output->display = display;
|
||||
output->device = device;
|
||||
output->crtc_id = crtc_id;
|
||||
output->crtc_index = crtc_index;
|
||||
liftoff_list_init(&output->layers);
|
||||
liftoff_list_insert(&display->outputs, &output->link);
|
||||
liftoff_list_insert(&device->outputs, &output->link);
|
||||
return output;
|
||||
}
|
||||
|
||||
|
|
|
|||
22
plane.c
22
plane.c
|
|
@ -3,7 +3,7 @@
|
|||
#include <string.h>
|
||||
#include "private.h"
|
||||
|
||||
static int guess_plane_zpos_from_type(struct liftoff_display *display,
|
||||
static int guess_plane_zpos_from_type(struct liftoff_device *device,
|
||||
uint32_t plane_id, uint32_t type)
|
||||
{
|
||||
struct liftoff_plane *primary;
|
||||
|
|
@ -16,10 +16,10 @@ static int guess_plane_zpos_from_type(struct liftoff_display *display,
|
|||
case DRM_PLANE_TYPE_CURSOR:
|
||||
return 2;
|
||||
case DRM_PLANE_TYPE_OVERLAY:
|
||||
if (liftoff_list_empty(&display->planes)) {
|
||||
if (liftoff_list_empty(&device->planes)) {
|
||||
return 0; /* No primary plane, shouldn't happen */
|
||||
}
|
||||
primary = liftoff_container_of(display->planes.next,
|
||||
primary = liftoff_container_of(device->planes.next,
|
||||
primary, link);
|
||||
if (plane_id < primary->id) {
|
||||
return -1;
|
||||
|
|
@ -30,7 +30,7 @@ static int guess_plane_zpos_from_type(struct liftoff_display *display,
|
|||
return 0;
|
||||
}
|
||||
|
||||
struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
||||
struct liftoff_plane *plane_create(struct liftoff_device *device, uint32_t id)
|
||||
{
|
||||
struct liftoff_plane *plane, *cur;
|
||||
drmModePlane *drm_plane;
|
||||
|
|
@ -47,7 +47,7 @@ struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
|||
return NULL;
|
||||
}
|
||||
|
||||
drm_plane = drmModeGetPlane(display->drm_fd, id);
|
||||
drm_plane = drmModeGetPlane(device->drm_fd, id);
|
||||
if (drm_plane == NULL) {
|
||||
liftoff_log_errno(LIFTOFF_ERROR, "drmModeGetPlane");
|
||||
return NULL;
|
||||
|
|
@ -56,7 +56,7 @@ struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
|||
plane->possible_crtcs = drm_plane->possible_crtcs;
|
||||
drmModeFreePlane(drm_plane);
|
||||
|
||||
drm_props = drmModeObjectGetProperties(display->drm_fd, id,
|
||||
drm_props = drmModeObjectGetProperties(device->drm_fd, id,
|
||||
DRM_MODE_OBJECT_PLANE);
|
||||
if (drm_props == NULL) {
|
||||
liftoff_log_errno(LIFTOFF_ERROR, "drmModeObjectGetProperties");
|
||||
|
|
@ -70,7 +70,7 @@ struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
|||
return NULL;
|
||||
}
|
||||
for (i = 0; i < drm_props->count_props; i++) {
|
||||
drm_prop = drmModeGetProperty(display->drm_fd,
|
||||
drm_prop = drmModeGetProperty(device->drm_fd,
|
||||
drm_props->props[i]);
|
||||
if (drm_prop == NULL) {
|
||||
liftoff_log_errno(LIFTOFF_ERROR, "drmModeGetProperty");
|
||||
|
|
@ -101,7 +101,7 @@ struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
|||
free(plane);
|
||||
return NULL;
|
||||
} else if (!has_zpos) {
|
||||
plane->zpos = guess_plane_zpos_from_type(display, plane->id,
|
||||
plane->zpos = guess_plane_zpos_from_type(device, plane->id,
|
||||
plane->type);
|
||||
}
|
||||
|
||||
|
|
@ -110,9 +110,9 @@ struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
|||
* far from the primary planes, then planes closer and closer to the
|
||||
* primary plane. */
|
||||
if (plane->type == DRM_PLANE_TYPE_PRIMARY) {
|
||||
liftoff_list_insert(&display->planes, &plane->link);
|
||||
liftoff_list_insert(&device->planes, &plane->link);
|
||||
} else {
|
||||
liftoff_list_for_each(cur, &display->planes, link) {
|
||||
liftoff_list_for_each(cur, &device->planes, link) {
|
||||
if (cur->type != DRM_PLANE_TYPE_PRIMARY &&
|
||||
plane->zpos >= cur->zpos) {
|
||||
liftoff_list_insert(cur->link.prev, &plane->link);
|
||||
|
|
@ -121,7 +121,7 @@ struct liftoff_plane *plane_create(struct liftoff_display *display, uint32_t id)
|
|||
}
|
||||
|
||||
if (plane->link.next == NULL) { /* not inserted */
|
||||
liftoff_list_insert(display->planes.prev, &plane->link);
|
||||
liftoff_list_insert(device->planes.prev, &plane->link);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue