mirror of
https://gitlab.freedesktop.org/wlroots/wlroots.git
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output: split into multiple files
This organizes the wlr_output implementation into separate files. This avoids having a single mega-file with lots of unrelated parts and makes it more obvious what the interactions between all the parts are. No functional changes, just moving code around.
This commit is contained in:
Simon Ser
Kenny Levinsen
parent
a4ccca0834
commit
fb393ddf84
15
include/types/wlr_output.h
Normal file
15
include/types/wlr_output.h
Normal file
@ -0,0 +1,15 @@
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#ifndef TYPES_WLR_OUTPUT_H
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#define TYPES_WLR_OUTPUT_H
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#include <wlr/render/drm_format_set.h>
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#include <wlr/types/wlr_output.h>
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void output_pending_resolution(struct wlr_output *output, int *width,
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int *height);
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struct wlr_drm_format *output_pick_format(struct wlr_output *output,
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const struct wlr_drm_format_set *display_formats);
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void output_clear_back_buffer(struct wlr_output *output);
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bool output_ensure_buffer(struct wlr_output *output);
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#endif
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@ -3,6 +3,10 @@ wlr_files += files(
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'data_device/wlr_data_offer.c',
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'data_device/wlr_data_source.c',
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'data_device/wlr_drag.c',
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'output/cursor.c',
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'output/output.c',
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'output/render.c',
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'output/transform.c',
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'scene/subsurface_tree.c',
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'scene/wlr_scene.c',
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'scene/output_layout.c',
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@ -43,7 +47,6 @@ wlr_files += files(
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'wlr_output_layout.c',
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'wlr_output_management_v1.c',
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'wlr_output_power_management_v1.c',
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'wlr_output.c',
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'wlr_pointer_constraints_v1.c',
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'wlr_pointer_gestures_v1.c',
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'wlr_pointer.c',
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573
types/output/cursor.c
Normal file
573
types/output/cursor.c
Normal file
@ -0,0 +1,573 @@
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#include <assert.h>
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#include <drm_fourcc.h>
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#include <stdlib.h>
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#include <wlr/interfaces/wlr_output.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_matrix.h>
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#include <wlr/types/wlr_surface.h>
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#include <wlr/util/log.h>
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#include "backend/backend.h"
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#include "render/allocator/allocator.h"
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#include "render/swapchain.h"
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#include "types/wlr_output.h"
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#include "util/signal.h"
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static void output_cursor_damage_whole(struct wlr_output_cursor *cursor);
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void wlr_output_lock_software_cursors(struct wlr_output *output, bool lock) {
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if (lock) {
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++output->software_cursor_locks;
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} else {
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assert(output->software_cursor_locks > 0);
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--output->software_cursor_locks;
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}
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wlr_log(WLR_DEBUG, "%s hardware cursors on output '%s' (locks: %d)",
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lock ? "Disabling" : "Enabling", output->name,
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output->software_cursor_locks);
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if (output->software_cursor_locks > 0 && output->hardware_cursor != NULL) {
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assert(output->impl->set_cursor);
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output->impl->set_cursor(output, NULL, 0, 0);
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output_cursor_damage_whole(output->hardware_cursor);
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output->hardware_cursor = NULL;
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}
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// If it's possible to use hardware cursors again, don't switch immediately
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// since a recorder is likely to lock software cursors for the next frame
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// again.
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}
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static void output_scissor(struct wlr_output *output, pixman_box32_t *rect) {
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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assert(renderer);
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struct wlr_box box = {
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.x = rect->x1,
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.y = rect->y1,
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.width = rect->x2 - rect->x1,
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.height = rect->y2 - rect->y1,
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};
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int ow, oh;
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wlr_output_transformed_resolution(output, &ow, &oh);
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enum wl_output_transform transform =
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wlr_output_transform_invert(output->transform);
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wlr_box_transform(&box, &box, transform, ow, oh);
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wlr_renderer_scissor(renderer, &box);
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}
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/**
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* Returns the cursor box, scaled for its output.
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*/
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static void output_cursor_get_box(struct wlr_output_cursor *cursor,
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struct wlr_box *box) {
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box->x = cursor->x - cursor->hotspot_x;
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box->y = cursor->y - cursor->hotspot_y;
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box->width = cursor->width;
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box->height = cursor->height;
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}
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static void output_cursor_render(struct wlr_output_cursor *cursor,
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pixman_region32_t *damage) {
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struct wlr_renderer *renderer =
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wlr_backend_get_renderer(cursor->output->backend);
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assert(renderer);
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struct wlr_texture *texture = cursor->texture;
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if (cursor->surface != NULL) {
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texture = wlr_surface_get_texture(cursor->surface);
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}
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if (texture == NULL) {
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return;
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}
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struct wlr_box box;
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output_cursor_get_box(cursor, &box);
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pixman_region32_t surface_damage;
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pixman_region32_init(&surface_damage);
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pixman_region32_union_rect(&surface_damage, &surface_damage, box.x, box.y,
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box.width, box.height);
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pixman_region32_intersect(&surface_damage, &surface_damage, damage);
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if (!pixman_region32_not_empty(&surface_damage)) {
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goto surface_damage_finish;
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}
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float matrix[9];
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wlr_matrix_project_box(matrix, &box, WL_OUTPUT_TRANSFORM_NORMAL, 0,
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cursor->output->transform_matrix);
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int nrects;
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pixman_box32_t *rects = pixman_region32_rectangles(&surface_damage, &nrects);
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for (int i = 0; i < nrects; ++i) {
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output_scissor(cursor->output, &rects[i]);
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wlr_render_texture_with_matrix(renderer, texture, matrix, 1.0f);
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}
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wlr_renderer_scissor(renderer, NULL);
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surface_damage_finish:
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pixman_region32_fini(&surface_damage);
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}
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void wlr_output_render_software_cursors(struct wlr_output *output,
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pixman_region32_t *damage) {
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int width, height;
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wlr_output_transformed_resolution(output, &width, &height);
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pixman_region32_t render_damage;
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pixman_region32_init(&render_damage);
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pixman_region32_union_rect(&render_damage, &render_damage, 0, 0,
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width, height);
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if (damage != NULL) {
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// Damage tracking supported
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pixman_region32_intersect(&render_damage, &render_damage, damage);
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}
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if (pixman_region32_not_empty(&render_damage)) {
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struct wlr_output_cursor *cursor;
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wl_list_for_each(cursor, &output->cursors, link) {
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if (!cursor->enabled || !cursor->visible ||
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output->hardware_cursor == cursor) {
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continue;
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}
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output_cursor_render(cursor, &render_damage);
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}
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}
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pixman_region32_fini(&render_damage);
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}
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static void output_cursor_damage_whole(struct wlr_output_cursor *cursor) {
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struct wlr_box box;
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output_cursor_get_box(cursor, &box);
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pixman_region32_t damage;
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pixman_region32_init_rect(&damage, box.x, box.y, box.width, box.height);
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struct wlr_output_event_damage event = {
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.output = cursor->output,
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.damage = &damage,
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};
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wlr_signal_emit_safe(&cursor->output->events.damage, &event);
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pixman_region32_fini(&damage);
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}
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static void output_cursor_reset(struct wlr_output_cursor *cursor) {
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if (cursor->output->hardware_cursor != cursor) {
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output_cursor_damage_whole(cursor);
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}
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if (cursor->surface != NULL) {
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wl_list_remove(&cursor->surface_commit.link);
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wl_list_remove(&cursor->surface_destroy.link);
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if (cursor->visible) {
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wlr_surface_send_leave(cursor->surface, cursor->output);
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}
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cursor->surface = NULL;
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}
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}
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static void output_cursor_update_visible(struct wlr_output_cursor *cursor) {
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struct wlr_box output_box;
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output_box.x = output_box.y = 0;
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wlr_output_transformed_resolution(cursor->output, &output_box.width,
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&output_box.height);
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struct wlr_box cursor_box;
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output_cursor_get_box(cursor, &cursor_box);
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struct wlr_box intersection;
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bool visible =
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wlr_box_intersection(&intersection, &output_box, &cursor_box);
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if (cursor->surface != NULL) {
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if (cursor->visible && !visible) {
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wlr_surface_send_leave(cursor->surface, cursor->output);
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}
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if (!cursor->visible && visible) {
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wlr_surface_send_enter(cursor->surface, cursor->output);
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}
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}
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cursor->visible = visible;
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}
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static struct wlr_drm_format *output_pick_cursor_format(struct wlr_output *output) {
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struct wlr_allocator *allocator = backend_get_allocator(output->backend);
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assert(allocator != NULL);
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const struct wlr_drm_format_set *display_formats = NULL;
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if (output->impl->get_cursor_formats) {
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display_formats =
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output->impl->get_cursor_formats(output, allocator->buffer_caps);
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if (display_formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get cursor display formats");
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return NULL;
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}
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}
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return output_pick_format(output, display_formats);
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}
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static struct wlr_buffer *render_cursor_buffer(struct wlr_output_cursor *cursor) {
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struct wlr_output *output = cursor->output;
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float scale = output->scale;
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enum wl_output_transform transform = WL_OUTPUT_TRANSFORM_NORMAL;
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struct wlr_texture *texture = cursor->texture;
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if (cursor->surface != NULL) {
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texture = wlr_surface_get_texture(cursor->surface);
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scale = cursor->surface->current.scale;
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transform = cursor->surface->current.transform;
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}
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if (texture == NULL) {
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return NULL;
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}
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struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
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if (renderer == NULL) {
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wlr_log(WLR_ERROR, "Failed to get backend renderer");
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return NULL;
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}
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struct wlr_allocator *allocator = backend_get_allocator(output->backend);
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if (allocator == NULL) {
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wlr_log(WLR_ERROR, "Failed to get backend allocator");
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return NULL;
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}
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int width = texture->width;
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int height = texture->height;
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if (output->impl->get_cursor_size) {
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// Apply hardware limitations on buffer size
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output->impl->get_cursor_size(cursor->output, &width, &height);
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if ((int)texture->width > width || (int)texture->height > height) {
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wlr_log(WLR_DEBUG, "Cursor texture too large (%dx%d), "
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"exceeds hardware limitations (%dx%d)", texture->width,
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texture->height, width, height);
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return NULL;
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}
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}
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if (output->cursor_swapchain == NULL ||
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output->cursor_swapchain->width != width ||
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output->cursor_swapchain->height != height) {
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struct wlr_drm_format *format =
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output_pick_cursor_format(output);
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if (format == NULL) {
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wlr_log(WLR_ERROR, "Failed to pick cursor format");
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return NULL;
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}
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wlr_swapchain_destroy(output->cursor_swapchain);
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output->cursor_swapchain = wlr_swapchain_create(allocator,
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width, height, format);
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if (output->cursor_swapchain == NULL) {
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wlr_log(WLR_ERROR, "Failed to create cursor swapchain");
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return NULL;
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}
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}
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struct wlr_buffer *buffer =
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wlr_swapchain_acquire(output->cursor_swapchain, NULL);
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if (buffer == NULL) {
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return NULL;
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}
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struct wlr_box cursor_box = {
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.width = texture->width * output->scale / scale,
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.height = texture->height * output->scale / scale,
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};
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float output_matrix[9];
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wlr_matrix_identity(output_matrix);
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if (output->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
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struct wlr_box tr_size = {
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.width = buffer->width,
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.height = buffer->height,
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};
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wlr_box_transform(&tr_size, &tr_size, output->transform, 0, 0);
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wlr_matrix_translate(output_matrix, buffer->width / 2.0,
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buffer->height / 2.0);
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wlr_matrix_transform(output_matrix, output->transform);
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wlr_matrix_translate(output_matrix, - tr_size.width / 2.0,
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- tr_size.height / 2.0);
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}
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float matrix[9];
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wlr_matrix_project_box(matrix, &cursor_box, transform, 0, output_matrix);
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if (!wlr_renderer_begin_with_buffer(renderer, buffer)) {
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wlr_buffer_unlock(buffer);
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return NULL;
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}
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wlr_renderer_clear(renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });
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wlr_render_texture_with_matrix(renderer, texture, matrix, 1.0);
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wlr_renderer_end(renderer);
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return buffer;
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}
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static bool output_cursor_attempt_hardware(struct wlr_output_cursor *cursor) {
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struct wlr_output *output = cursor->output;
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if (!output->impl->set_cursor ||
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output->software_cursor_locks > 0) {
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return false;
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}
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struct wlr_output_cursor *hwcur = output->hardware_cursor;
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if (hwcur != NULL && hwcur != cursor) {
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return false;
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}
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struct wlr_texture *texture = cursor->texture;
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if (cursor->surface != NULL) {
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// TODO: try using the surface buffer directly
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texture = wlr_surface_get_texture(cursor->surface);
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}
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// If the cursor was hidden or was a software cursor, the hardware
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// cursor position is outdated
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output->impl->move_cursor(cursor->output,
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(int)cursor->x, (int)cursor->y);
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struct wlr_buffer *buffer = NULL;
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if (texture != NULL) {
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buffer = render_cursor_buffer(cursor);
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if (buffer == NULL) {
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wlr_log(WLR_ERROR, "Failed to render cursor buffer");
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return false;
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}
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}
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struct wlr_box hotspot = {
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.x = cursor->hotspot_x,
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.y = cursor->hotspot_y,
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};
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wlr_box_transform(&hotspot, &hotspot,
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wlr_output_transform_invert(output->transform),
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buffer ? buffer->width : 0, buffer ? buffer->height : 0);
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bool ok = output->impl->set_cursor(cursor->output, buffer,
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hotspot.x, hotspot.y);
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if (ok) {
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wlr_buffer_unlock(output->cursor_front_buffer);
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output->cursor_front_buffer = buffer;
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output->hardware_cursor = cursor;
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} else {
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wlr_buffer_unlock(buffer);
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}
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return ok;
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}
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bool wlr_output_cursor_set_image(struct wlr_output_cursor *cursor,
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const uint8_t *pixels, int32_t stride, uint32_t width, uint32_t height,
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int32_t hotspot_x, int32_t hotspot_y) {
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struct wlr_renderer *renderer =
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wlr_backend_get_renderer(cursor->output->backend);
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if (!renderer) {
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// if the backend has no renderer, we can't draw a cursor, but this is
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// actually okay, for ex. with the noop backend
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return true;
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}
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output_cursor_reset(cursor);
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cursor->width = width;
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cursor->height = height;
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cursor->hotspot_x = hotspot_x;
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cursor->hotspot_y = hotspot_y;
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output_cursor_update_visible(cursor);
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wlr_texture_destroy(cursor->texture);
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cursor->texture = NULL;
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cursor->enabled = false;
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if (pixels != NULL) {
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cursor->texture = wlr_texture_from_pixels(renderer,
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DRM_FORMAT_ARGB8888, stride, width, height, pixels);
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if (cursor->texture == NULL) {
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return false;
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}
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cursor->enabled = true;
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}
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if (output_cursor_attempt_hardware(cursor)) {
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return true;
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}
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wlr_log(WLR_DEBUG, "Falling back to software cursor on output '%s'",
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cursor->output->name);
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output_cursor_damage_whole(cursor);
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return true;
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}
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static void output_cursor_commit(struct wlr_output_cursor *cursor,
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bool update_hotspot) {
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if (cursor->output->hardware_cursor != cursor) {
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output_cursor_damage_whole(cursor);
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}
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struct wlr_surface *surface = cursor->surface;
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assert(surface != NULL);
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|
||||
// Some clients commit a cursor surface with a NULL buffer to hide it.
|
||||
cursor->enabled = wlr_surface_has_buffer(surface);
|
||||
cursor->width = surface->current.width * cursor->output->scale;
|
||||
cursor->height = surface->current.height * cursor->output->scale;
|
||||
output_cursor_update_visible(cursor);
|
||||
if (update_hotspot) {
|
||||
cursor->hotspot_x -= surface->current.dx * cursor->output->scale;
|
||||
cursor->hotspot_y -= surface->current.dy * cursor->output->scale;
|
||||
}
|
||||
|
||||
if (output_cursor_attempt_hardware(cursor)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Fallback to software cursor
|
||||
output_cursor_damage_whole(cursor);
|
||||
}
|
||||
|
||||
static void output_cursor_handle_commit(struct wl_listener *listener,
|
||||
void *data) {
|
||||
struct wlr_output_cursor *cursor =
|
||||
wl_container_of(listener, cursor, surface_commit);
|
||||
output_cursor_commit(cursor, true);
|
||||
}
|
||||
|
||||
static void output_cursor_handle_destroy(struct wl_listener *listener,
|
||||
void *data) {
|
||||
struct wlr_output_cursor *cursor = wl_container_of(listener, cursor,
|
||||
surface_destroy);
|
||||
output_cursor_reset(cursor);
|
||||
}
|
||||
|
||||
void wlr_output_cursor_set_surface(struct wlr_output_cursor *cursor,
|
||||
struct wlr_surface *surface, int32_t hotspot_x, int32_t hotspot_y) {
|
||||
hotspot_x *= cursor->output->scale;
|
||||
hotspot_y *= cursor->output->scale;
|
||||
|
||||
if (surface && surface == cursor->surface) {
|
||||
// Only update the hotspot: surface hasn't changed
|
||||
|
||||
if (cursor->output->hardware_cursor != cursor) {
|
||||
output_cursor_damage_whole(cursor);
|
||||
}
|
||||
cursor->hotspot_x = hotspot_x;
|
||||
cursor->hotspot_y = hotspot_y;
|
||||
if (cursor->output->hardware_cursor != cursor) {
|
||||
output_cursor_damage_whole(cursor);
|
||||
} else {
|
||||
struct wlr_buffer *buffer = cursor->output->cursor_front_buffer;
|
||||
|
||||
struct wlr_box hotspot = {
|
||||
.x = cursor->hotspot_x,
|
||||
.y = cursor->hotspot_y,
|
||||
};
|
||||
wlr_box_transform(&hotspot, &hotspot,
|
||||
wlr_output_transform_invert(cursor->output->transform),
|
||||
buffer ? buffer->width : 0, buffer ? buffer->height : 0);
|
||||
|
||||
assert(cursor->output->impl->set_cursor);
|
||||
cursor->output->impl->set_cursor(cursor->output,
|
||||
buffer, hotspot.x, hotspot.y);
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
output_cursor_reset(cursor);
|
||||
|
||||
cursor->surface = surface;
|
||||
cursor->hotspot_x = hotspot_x;
|
||||
cursor->hotspot_y = hotspot_y;
|
||||
|
||||
if (surface != NULL) {
|
||||
wl_signal_add(&surface->events.commit, &cursor->surface_commit);
|
||||
wl_signal_add(&surface->events.destroy, &cursor->surface_destroy);
|
||||
|
||||
cursor->visible = false;
|
||||
output_cursor_commit(cursor, false);
|
||||
} else {
|
||||
cursor->enabled = false;
|
||||
cursor->width = 0;
|
||||
cursor->height = 0;
|
||||
|
||||
if (cursor->output->hardware_cursor == cursor) {
|
||||
assert(cursor->output->impl->set_cursor);
|
||||
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool wlr_output_cursor_move(struct wlr_output_cursor *cursor,
|
||||
double x, double y) {
|
||||
if (cursor->x == x && cursor->y == y) {
|
||||
return true;
|
||||
}
|
||||
|
||||
if (cursor->output->hardware_cursor != cursor) {
|
||||
output_cursor_damage_whole(cursor);
|
||||
}
|
||||
|
||||
bool was_visible = cursor->visible;
|
||||
x *= cursor->output->scale;
|
||||
y *= cursor->output->scale;
|
||||
cursor->x = x;
|
||||
cursor->y = y;
|
||||
output_cursor_update_visible(cursor);
|
||||
|
||||
if (!was_visible && !cursor->visible) {
|
||||
// Cursor is still hidden, do nothing
|
||||
return true;
|
||||
}
|
||||
|
||||
if (cursor->output->hardware_cursor != cursor) {
|
||||
output_cursor_damage_whole(cursor);
|
||||
return true;
|
||||
}
|
||||
|
||||
assert(cursor->output->impl->move_cursor);
|
||||
return cursor->output->impl->move_cursor(cursor->output, (int)x, (int)y);
|
||||
}
|
||||
|
||||
struct wlr_output_cursor *wlr_output_cursor_create(struct wlr_output *output) {
|
||||
struct wlr_output_cursor *cursor =
|
||||
calloc(1, sizeof(struct wlr_output_cursor));
|
||||
if (cursor == NULL) {
|
||||
return NULL;
|
||||
}
|
||||
cursor->output = output;
|
||||
wl_signal_init(&cursor->events.destroy);
|
||||
wl_list_init(&cursor->surface_commit.link);
|
||||
cursor->surface_commit.notify = output_cursor_handle_commit;
|
||||
wl_list_init(&cursor->surface_destroy.link);
|
||||
cursor->surface_destroy.notify = output_cursor_handle_destroy;
|
||||
wl_list_insert(&output->cursors, &cursor->link);
|
||||
cursor->visible = true; // default position is at (0, 0)
|
||||
return cursor;
|
||||
}
|
||||
|
||||
void wlr_output_cursor_destroy(struct wlr_output_cursor *cursor) {
|
||||
if (cursor == NULL) {
|
||||
return;
|
||||
}
|
||||
output_cursor_reset(cursor);
|
||||
wlr_signal_emit_safe(&cursor->events.destroy, cursor);
|
||||
if (cursor->output->hardware_cursor == cursor) {
|
||||
// If this cursor was the hardware cursor, disable it
|
||||
if (cursor->output->impl->set_cursor) {
|
||||
cursor->output->impl->set_cursor(cursor->output, NULL, 0, 0);
|
||||
}
|
||||
cursor->output->hardware_cursor = NULL;
|
||||
}
|
||||
wlr_texture_destroy(cursor->texture);
|
||||
wl_list_remove(&cursor->link);
|
||||
free(cursor);
|
||||
}
|
||||
818
types/output/output.c
Normal file
818
types/output/output.c
Normal file
@ -0,0 +1,818 @@
|
||||
#define _POSIX_C_SOURCE 200809L
|
||||
#include <assert.h>
|
||||
#include <stdlib.h>
|
||||
#include <wlr/interfaces/wlr_output.h>
|
||||
#include <wlr/types/wlr_matrix.h>
|
||||
#include <wlr/types/wlr_surface.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include "render/swapchain.h"
|
||||
#include "types/wlr_output.h"
|
||||
#include "util/global.h"
|
||||
#include "util/signal.h"
|
||||
|
||||
#define OUTPUT_VERSION 3
|
||||
|
||||
static void send_geometry(struct wl_resource *resource) {
|
||||
struct wlr_output *output = wlr_output_from_resource(resource);
|
||||
wl_output_send_geometry(resource, 0, 0,
|
||||
output->phys_width, output->phys_height, output->subpixel,
|
||||
output->make, output->model, output->transform);
|
||||
}
|
||||
|
||||
static void send_current_mode(struct wl_resource *resource) {
|
||||
struct wlr_output *output = wlr_output_from_resource(resource);
|
||||
if (output->current_mode != NULL) {
|
||||
struct wlr_output_mode *mode = output->current_mode;
|
||||
wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT,
|
||||
mode->width, mode->height, mode->refresh);
|
||||
} else {
|
||||
// Output has no mode
|
||||
wl_output_send_mode(resource, WL_OUTPUT_MODE_CURRENT, output->width,
|
||||
output->height, output->refresh);
|
||||
}
|
||||
}
|
||||
|
||||
static void send_scale(struct wl_resource *resource) {
|
||||
struct wlr_output *output = wlr_output_from_resource(resource);
|
||||
uint32_t version = wl_resource_get_version(resource);
|
||||
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION) {
|
||||
wl_output_send_scale(resource, (uint32_t)ceil(output->scale));
|
||||
}
|
||||
}
|
||||
|
||||
static void send_done(struct wl_resource *resource) {
|
||||
uint32_t version = wl_resource_get_version(resource);
|
||||
if (version >= WL_OUTPUT_DONE_SINCE_VERSION) {
|
||||
wl_output_send_done(resource);
|
||||
}
|
||||
}
|
||||
|
||||
static void output_handle_resource_destroy(struct wl_resource *resource) {
|
||||
wl_list_remove(wl_resource_get_link(resource));
|
||||
}
|
||||
|
||||
static void output_handle_release(struct wl_client *client,
|
||||
struct wl_resource *resource) {
|
||||
wl_resource_destroy(resource);
|
||||
}
|
||||
|
||||
static const struct wl_output_interface output_impl = {
|
||||
.release = output_handle_release,
|
||||
};
|
||||
|
||||
static void output_bind(struct wl_client *wl_client, void *data,
|
||||
uint32_t version, uint32_t id) {
|
||||
// `output` can be NULL if the output global is being destroyed
|
||||
struct wlr_output *output = data;
|
||||
|
||||
struct wl_resource *resource = wl_resource_create(wl_client,
|
||||
&wl_output_interface, version, id);
|
||||
if (resource == NULL) {
|
||||
wl_client_post_no_memory(wl_client);
|
||||
return;
|
||||
}
|
||||
wl_resource_set_implementation(resource, &output_impl, output,
|
||||
output_handle_resource_destroy);
|
||||
|
||||
if (output == NULL) {
|
||||
wl_list_init(wl_resource_get_link(resource));
|
||||
return;
|
||||
}
|
||||
|
||||
wl_list_insert(&output->resources, wl_resource_get_link(resource));
|
||||
|
||||
send_geometry(resource);
|
||||
send_current_mode(resource);
|
||||
send_scale(resource);
|
||||
send_done(resource);
|
||||
|
||||
struct wlr_output_event_bind evt = {
|
||||
.output = output,
|
||||
.resource = resource,
|
||||
};
|
||||
|
||||
wlr_signal_emit_safe(&output->events.bind, &evt);
|
||||
}
|
||||
|
||||
void wlr_output_create_global(struct wlr_output *output) {
|
||||
if (output->global != NULL) {
|
||||
return;
|
||||
}
|
||||
output->global = wl_global_create(output->display,
|
||||
&wl_output_interface, OUTPUT_VERSION, output, output_bind);
|
||||
if (output->global == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to allocate wl_output global");
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_destroy_global(struct wlr_output *output) {
|
||||
if (output->global == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Make all output resources inert
|
||||
struct wl_resource *resource, *tmp;
|
||||
wl_resource_for_each_safe(resource, tmp, &output->resources) {
|
||||
wl_resource_set_user_data(resource, NULL);
|
||||
wl_list_remove(wl_resource_get_link(resource));
|
||||
wl_list_init(wl_resource_get_link(resource));
|
||||
}
|
||||
|
||||
wlr_global_destroy_safe(output->global, output->display);
|
||||
output->global = NULL;
|
||||
}
|
||||
|
||||
static void schedule_done_handle_idle_timer(void *data) {
|
||||
struct wlr_output *output = data;
|
||||
output->idle_done = NULL;
|
||||
|
||||
struct wl_resource *resource;
|
||||
wl_resource_for_each(resource, &output->resources) {
|
||||
uint32_t version = wl_resource_get_version(resource);
|
||||
if (version >= WL_OUTPUT_DONE_SINCE_VERSION) {
|
||||
wl_output_send_done(resource);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_schedule_done(struct wlr_output *output) {
|
||||
if (output->idle_done != NULL) {
|
||||
return; // Already scheduled
|
||||
}
|
||||
|
||||
struct wl_event_loop *ev = wl_display_get_event_loop(output->display);
|
||||
output->idle_done =
|
||||
wl_event_loop_add_idle(ev, schedule_done_handle_idle_timer, output);
|
||||
}
|
||||
|
||||
struct wlr_output *wlr_output_from_resource(struct wl_resource *resource) {
|
||||
assert(wl_resource_instance_of(resource, &wl_output_interface,
|
||||
&output_impl));
|
||||
return wl_resource_get_user_data(resource);
|
||||
}
|
||||
|
||||
void wlr_output_update_enabled(struct wlr_output *output, bool enabled) {
|
||||
if (output->enabled == enabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
output->enabled = enabled;
|
||||
wlr_signal_emit_safe(&output->events.enable, output);
|
||||
}
|
||||
|
||||
static void output_update_matrix(struct wlr_output *output) {
|
||||
wlr_matrix_identity(output->transform_matrix);
|
||||
if (output->transform != WL_OUTPUT_TRANSFORM_NORMAL) {
|
||||
int tr_width, tr_height;
|
||||
wlr_output_transformed_resolution(output, &tr_width, &tr_height);
|
||||
|
||||
wlr_matrix_translate(output->transform_matrix,
|
||||
output->width / 2.0, output->height / 2.0);
|
||||
wlr_matrix_transform(output->transform_matrix, output->transform);
|
||||
wlr_matrix_translate(output->transform_matrix,
|
||||
- tr_width / 2.0, - tr_height / 2.0);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_enable(struct wlr_output *output, bool enable) {
|
||||
if (output->enabled == enable) {
|
||||
output->pending.committed &= ~WLR_OUTPUT_STATE_ENABLED;
|
||||
return;
|
||||
}
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_ENABLED;
|
||||
output->pending.enabled = enable;
|
||||
}
|
||||
|
||||
static void output_state_clear_mode(struct wlr_output_state *state) {
|
||||
if (!(state->committed & WLR_OUTPUT_STATE_MODE)) {
|
||||
return;
|
||||
}
|
||||
|
||||
state->mode = NULL;
|
||||
|
||||
state->committed &= ~WLR_OUTPUT_STATE_MODE;
|
||||
}
|
||||
|
||||
void wlr_output_set_mode(struct wlr_output *output,
|
||||
struct wlr_output_mode *mode) {
|
||||
output_state_clear_mode(&output->pending);
|
||||
|
||||
if (output->current_mode == mode) {
|
||||
return;
|
||||
}
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_MODE;
|
||||
output->pending.mode_type = WLR_OUTPUT_STATE_MODE_FIXED;
|
||||
output->pending.mode = mode;
|
||||
}
|
||||
|
||||
void wlr_output_set_custom_mode(struct wlr_output *output, int32_t width,
|
||||
int32_t height, int32_t refresh) {
|
||||
output_state_clear_mode(&output->pending);
|
||||
|
||||
if (output->width == width && output->height == height &&
|
||||
output->refresh == refresh) {
|
||||
return;
|
||||
}
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_MODE;
|
||||
output->pending.mode_type = WLR_OUTPUT_STATE_MODE_CUSTOM;
|
||||
output->pending.custom_mode.width = width;
|
||||
output->pending.custom_mode.height = height;
|
||||
output->pending.custom_mode.refresh = refresh;
|
||||
}
|
||||
|
||||
void wlr_output_update_mode(struct wlr_output *output,
|
||||
struct wlr_output_mode *mode) {
|
||||
output->current_mode = mode;
|
||||
if (mode != NULL) {
|
||||
wlr_output_update_custom_mode(output, mode->width, mode->height,
|
||||
mode->refresh);
|
||||
} else {
|
||||
wlr_output_update_custom_mode(output, 0, 0, 0);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_update_custom_mode(struct wlr_output *output, int32_t width,
|
||||
int32_t height, int32_t refresh) {
|
||||
if (output->width == width && output->height == height &&
|
||||
output->refresh == refresh) {
|
||||
return;
|
||||
}
|
||||
|
||||
output->width = width;
|
||||
output->height = height;
|
||||
output_update_matrix(output);
|
||||
|
||||
output->refresh = refresh;
|
||||
|
||||
if (output->swapchain != NULL &&
|
||||
(output->swapchain->width != output->width ||
|
||||
output->swapchain->height != output->height)) {
|
||||
wlr_swapchain_destroy(output->swapchain);
|
||||
output->swapchain = NULL;
|
||||
}
|
||||
|
||||
struct wl_resource *resource;
|
||||
wl_resource_for_each(resource, &output->resources) {
|
||||
send_current_mode(resource);
|
||||
}
|
||||
wlr_output_schedule_done(output);
|
||||
|
||||
wlr_signal_emit_safe(&output->events.mode, output);
|
||||
}
|
||||
|
||||
void wlr_output_set_transform(struct wlr_output *output,
|
||||
enum wl_output_transform transform) {
|
||||
if (output->transform == transform) {
|
||||
output->pending.committed &= ~WLR_OUTPUT_STATE_TRANSFORM;
|
||||
return;
|
||||
}
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_TRANSFORM;
|
||||
output->pending.transform = transform;
|
||||
}
|
||||
|
||||
void wlr_output_set_scale(struct wlr_output *output, float scale) {
|
||||
if (output->scale == scale) {
|
||||
output->pending.committed &= ~WLR_OUTPUT_STATE_SCALE;
|
||||
return;
|
||||
}
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_SCALE;
|
||||
output->pending.scale = scale;
|
||||
}
|
||||
|
||||
void wlr_output_enable_adaptive_sync(struct wlr_output *output, bool enabled) {
|
||||
bool currently_enabled =
|
||||
output->adaptive_sync_status != WLR_OUTPUT_ADAPTIVE_SYNC_DISABLED;
|
||||
if (currently_enabled == enabled) {
|
||||
output->pending.committed &= ~WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED;
|
||||
return;
|
||||
}
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED;
|
||||
output->pending.adaptive_sync_enabled = enabled;
|
||||
}
|
||||
|
||||
void wlr_output_set_subpixel(struct wlr_output *output,
|
||||
enum wl_output_subpixel subpixel) {
|
||||
if (output->subpixel == subpixel) {
|
||||
return;
|
||||
}
|
||||
|
||||
output->subpixel = subpixel;
|
||||
|
||||
struct wl_resource *resource;
|
||||
wl_resource_for_each(resource, &output->resources) {
|
||||
send_geometry(resource);
|
||||
}
|
||||
wlr_output_schedule_done(output);
|
||||
}
|
||||
|
||||
void wlr_output_set_description(struct wlr_output *output, const char *desc) {
|
||||
if (output->description != NULL && desc != NULL &&
|
||||
strcmp(output->description, desc) == 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
free(output->description);
|
||||
if (desc != NULL) {
|
||||
output->description = strdup(desc);
|
||||
} else {
|
||||
output->description = NULL;
|
||||
}
|
||||
|
||||
wlr_signal_emit_safe(&output->events.description, output);
|
||||
}
|
||||
|
||||
static void handle_display_destroy(struct wl_listener *listener, void *data) {
|
||||
struct wlr_output *output =
|
||||
wl_container_of(listener, output, display_destroy);
|
||||
wlr_output_destroy_global(output);
|
||||
}
|
||||
|
||||
void wlr_output_init(struct wlr_output *output, struct wlr_backend *backend,
|
||||
const struct wlr_output_impl *impl, struct wl_display *display) {
|
||||
assert(impl->commit);
|
||||
if (impl->set_cursor || impl->move_cursor) {
|
||||
assert(impl->set_cursor && impl->move_cursor);
|
||||
}
|
||||
output->backend = backend;
|
||||
output->impl = impl;
|
||||
output->display = display;
|
||||
wl_list_init(&output->modes);
|
||||
output->transform = WL_OUTPUT_TRANSFORM_NORMAL;
|
||||
output->scale = 1;
|
||||
output->commit_seq = 0;
|
||||
wl_list_init(&output->cursors);
|
||||
wl_list_init(&output->resources);
|
||||
wl_signal_init(&output->events.frame);
|
||||
wl_signal_init(&output->events.damage);
|
||||
wl_signal_init(&output->events.needs_frame);
|
||||
wl_signal_init(&output->events.precommit);
|
||||
wl_signal_init(&output->events.commit);
|
||||
wl_signal_init(&output->events.present);
|
||||
wl_signal_init(&output->events.bind);
|
||||
wl_signal_init(&output->events.enable);
|
||||
wl_signal_init(&output->events.mode);
|
||||
wl_signal_init(&output->events.description);
|
||||
wl_signal_init(&output->events.destroy);
|
||||
pixman_region32_init(&output->pending.damage);
|
||||
|
||||
const char *no_hardware_cursors = getenv("WLR_NO_HARDWARE_CURSORS");
|
||||
if (no_hardware_cursors != NULL && strcmp(no_hardware_cursors, "1") == 0) {
|
||||
wlr_log(WLR_DEBUG,
|
||||
"WLR_NO_HARDWARE_CURSORS set, forcing software cursors");
|
||||
output->software_cursor_locks = 1;
|
||||
}
|
||||
|
||||
wlr_addon_set_init(&output->addons);
|
||||
|
||||
output->display_destroy.notify = handle_display_destroy;
|
||||
wl_display_add_destroy_listener(display, &output->display_destroy);
|
||||
}
|
||||
|
||||
void wlr_output_destroy(struct wlr_output *output) {
|
||||
if (!output) {
|
||||
return;
|
||||
}
|
||||
|
||||
wlr_buffer_unlock(output->front_buffer);
|
||||
output->front_buffer = NULL;
|
||||
|
||||
wl_list_remove(&output->display_destroy.link);
|
||||
wlr_output_destroy_global(output);
|
||||
output_clear_back_buffer(output);
|
||||
|
||||
wlr_signal_emit_safe(&output->events.destroy, output);
|
||||
wlr_addon_set_finish(&output->addons);
|
||||
|
||||
// The backend is responsible for free-ing the list of modes
|
||||
|
||||
struct wlr_output_cursor *cursor, *tmp_cursor;
|
||||
wl_list_for_each_safe(cursor, tmp_cursor, &output->cursors, link) {
|
||||
wlr_output_cursor_destroy(cursor);
|
||||
}
|
||||
|
||||
wlr_swapchain_destroy(output->cursor_swapchain);
|
||||
wlr_buffer_unlock(output->cursor_front_buffer);
|
||||
|
||||
wlr_swapchain_destroy(output->swapchain);
|
||||
|
||||
if (output->idle_frame != NULL) {
|
||||
wl_event_source_remove(output->idle_frame);
|
||||
}
|
||||
|
||||
if (output->idle_done != NULL) {
|
||||
wl_event_source_remove(output->idle_done);
|
||||
}
|
||||
|
||||
free(output->description);
|
||||
|
||||
pixman_region32_fini(&output->pending.damage);
|
||||
|
||||
if (output->impl && output->impl->destroy) {
|
||||
output->impl->destroy(output);
|
||||
} else {
|
||||
free(output);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_transformed_resolution(struct wlr_output *output,
|
||||
int *width, int *height) {
|
||||
if (output->transform % 2 == 0) {
|
||||
*width = output->width;
|
||||
*height = output->height;
|
||||
} else {
|
||||
*width = output->height;
|
||||
*height = output->width;
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_effective_resolution(struct wlr_output *output,
|
||||
int *width, int *height) {
|
||||
wlr_output_transformed_resolution(output, width, height);
|
||||
*width /= output->scale;
|
||||
*height /= output->scale;
|
||||
}
|
||||
|
||||
struct wlr_output_mode *wlr_output_preferred_mode(struct wlr_output *output) {
|
||||
if (wl_list_empty(&output->modes)) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct wlr_output_mode *mode;
|
||||
wl_list_for_each(mode, &output->modes, link) {
|
||||
if (mode->preferred) {
|
||||
return mode;
|
||||
}
|
||||
}
|
||||
|
||||
// No preferred mode, choose the first one
|
||||
return wl_container_of(output->modes.next, mode, link);
|
||||
}
|
||||
|
||||
static void output_state_clear_buffer(struct wlr_output_state *state) {
|
||||
if (!(state->committed & WLR_OUTPUT_STATE_BUFFER)) {
|
||||
return;
|
||||
}
|
||||
|
||||
wlr_buffer_unlock(state->buffer);
|
||||
state->buffer = NULL;
|
||||
|
||||
state->committed &= ~WLR_OUTPUT_STATE_BUFFER;
|
||||
}
|
||||
|
||||
void wlr_output_set_damage(struct wlr_output *output,
|
||||
pixman_region32_t *damage) {
|
||||
pixman_region32_intersect_rect(&output->pending.damage, damage,
|
||||
0, 0, output->width, output->height);
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_DAMAGE;
|
||||
}
|
||||
|
||||
static void output_state_clear_gamma_lut(struct wlr_output_state *state) {
|
||||
free(state->gamma_lut);
|
||||
state->gamma_lut = NULL;
|
||||
state->committed &= ~WLR_OUTPUT_STATE_GAMMA_LUT;
|
||||
}
|
||||
|
||||
static void output_state_clear(struct wlr_output_state *state) {
|
||||
output_state_clear_buffer(state);
|
||||
output_state_clear_gamma_lut(state);
|
||||
pixman_region32_clear(&state->damage);
|
||||
state->committed = 0;
|
||||
}
|
||||
|
||||
void output_pending_resolution(struct wlr_output *output, int *width,
|
||||
int *height) {
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
|
||||
switch (output->pending.mode_type) {
|
||||
case WLR_OUTPUT_STATE_MODE_FIXED:
|
||||
*width = output->pending.mode->width;
|
||||
*height = output->pending.mode->height;
|
||||
return;
|
||||
case WLR_OUTPUT_STATE_MODE_CUSTOM:
|
||||
*width = output->pending.custom_mode.width;
|
||||
*height = output->pending.custom_mode.height;
|
||||
return;
|
||||
}
|
||||
abort();
|
||||
} else {
|
||||
*width = output->width;
|
||||
*height = output->height;
|
||||
}
|
||||
}
|
||||
|
||||
static bool output_basic_test(struct wlr_output *output) {
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
||||
if (output->frame_pending) {
|
||||
wlr_log(WLR_DEBUG, "Tried to commit a buffer while a frame is pending");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (output->back_buffer == NULL) {
|
||||
if (output->attach_render_locks > 0) {
|
||||
wlr_log(WLR_DEBUG, "Direct scan-out disabled by lock");
|
||||
return false;
|
||||
}
|
||||
|
||||
// If the output has at least one software cursor, refuse to attach the
|
||||
// buffer
|
||||
struct wlr_output_cursor *cursor;
|
||||
wl_list_for_each(cursor, &output->cursors, link) {
|
||||
if (cursor->enabled && cursor->visible &&
|
||||
cursor != output->hardware_cursor) {
|
||||
wlr_log(WLR_DEBUG,
|
||||
"Direct scan-out disabled by software cursor");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
// If the size doesn't match, reject buffer (scaling is not
|
||||
// supported)
|
||||
int pending_width, pending_height;
|
||||
output_pending_resolution(output, &pending_width, &pending_height);
|
||||
if (output->pending.buffer->width != pending_width ||
|
||||
output->pending.buffer->height != pending_height) {
|
||||
wlr_log(WLR_DEBUG, "Direct scan-out buffer size mismatch");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
bool enabled = output->enabled;
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
|
||||
enabled = output->pending.enabled;
|
||||
}
|
||||
|
||||
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
||||
wlr_log(WLR_DEBUG, "Tried to commit a buffer on a disabled output");
|
||||
return false;
|
||||
}
|
||||
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_MODE) {
|
||||
wlr_log(WLR_DEBUG, "Tried to modeset a disabled output");
|
||||
return false;
|
||||
}
|
||||
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_ADAPTIVE_SYNC_ENABLED) {
|
||||
wlr_log(WLR_DEBUG, "Tried to enable adaptive sync on a disabled output");
|
||||
return false;
|
||||
}
|
||||
if (!enabled && output->pending.committed & WLR_OUTPUT_STATE_GAMMA_LUT) {
|
||||
wlr_log(WLR_DEBUG, "Tried to set the gamma lut on a disabled output");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool wlr_output_test(struct wlr_output *output) {
|
||||
if (!output_basic_test(output)) {
|
||||
return false;
|
||||
}
|
||||
if (!output_ensure_buffer(output)) {
|
||||
return false;
|
||||
}
|
||||
if (!output->impl->test) {
|
||||
return true;
|
||||
}
|
||||
return output->impl->test(output);
|
||||
}
|
||||
|
||||
bool wlr_output_commit(struct wlr_output *output) {
|
||||
if (!output_basic_test(output)) {
|
||||
wlr_log(WLR_ERROR, "Basic output test failed for %s", output->name);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!output_ensure_buffer(output)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
|
||||
output->idle_frame != NULL) {
|
||||
wl_event_source_remove(output->idle_frame);
|
||||
output->idle_frame = NULL;
|
||||
}
|
||||
|
||||
struct timespec now;
|
||||
clock_gettime(CLOCK_MONOTONIC, &now);
|
||||
|
||||
struct wlr_output_event_precommit pre_event = {
|
||||
.output = output,
|
||||
.when = &now,
|
||||
};
|
||||
wlr_signal_emit_safe(&output->events.precommit, &pre_event);
|
||||
|
||||
// output_clear_back_buffer detaches the buffer from the renderer. This is
|
||||
// important to do before calling impl->commit(), because this marks an
|
||||
// implicit rendering synchronization point. The backend needs it to avoid
|
||||
// displaying a buffer when asynchronous GPU work isn't finished.
|
||||
struct wlr_buffer *back_buffer = NULL;
|
||||
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) &&
|
||||
output->back_buffer != NULL) {
|
||||
back_buffer = wlr_buffer_lock(output->back_buffer);
|
||||
output_clear_back_buffer(output);
|
||||
}
|
||||
|
||||
if (!output->impl->commit(output)) {
|
||||
wlr_buffer_unlock(back_buffer);
|
||||
output_state_clear(&output->pending);
|
||||
return false;
|
||||
}
|
||||
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
||||
struct wlr_output_cursor *cursor;
|
||||
wl_list_for_each(cursor, &output->cursors, link) {
|
||||
if (!cursor->enabled || !cursor->visible || cursor->surface == NULL) {
|
||||
continue;
|
||||
}
|
||||
wlr_surface_send_frame_done(cursor->surface, &now);
|
||||
}
|
||||
}
|
||||
|
||||
output->commit_seq++;
|
||||
|
||||
bool scale_updated = output->pending.committed & WLR_OUTPUT_STATE_SCALE;
|
||||
if (scale_updated) {
|
||||
output->scale = output->pending.scale;
|
||||
}
|
||||
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_TRANSFORM) {
|
||||
output->transform = output->pending.transform;
|
||||
output_update_matrix(output);
|
||||
}
|
||||
|
||||
bool geometry_updated = output->pending.committed &
|
||||
(WLR_OUTPUT_STATE_MODE | WLR_OUTPUT_STATE_TRANSFORM);
|
||||
if (geometry_updated || scale_updated) {
|
||||
struct wl_resource *resource;
|
||||
wl_resource_for_each(resource, &output->resources) {
|
||||
if (geometry_updated) {
|
||||
send_geometry(resource);
|
||||
}
|
||||
if (scale_updated) {
|
||||
send_scale(resource);
|
||||
}
|
||||
}
|
||||
wlr_output_schedule_done(output);
|
||||
}
|
||||
|
||||
// Unset the front-buffer when a new buffer will replace it or when the
|
||||
// output is getting disabled
|
||||
if ((output->pending.committed & WLR_OUTPUT_STATE_BUFFER) ||
|
||||
((output->pending.committed & WLR_OUTPUT_STATE_ENABLED) &&
|
||||
!output->pending.enabled)) {
|
||||
wlr_buffer_unlock(output->front_buffer);
|
||||
output->front_buffer = NULL;
|
||||
}
|
||||
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
|
||||
output->frame_pending = true;
|
||||
output->needs_frame = false;
|
||||
}
|
||||
|
||||
if (back_buffer != NULL) {
|
||||
wlr_swapchain_set_buffer_submitted(output->swapchain, back_buffer);
|
||||
wlr_buffer_unlock(output->front_buffer);
|
||||
output->front_buffer = back_buffer;
|
||||
}
|
||||
|
||||
uint32_t committed = output->pending.committed;
|
||||
output_state_clear(&output->pending);
|
||||
|
||||
struct wlr_output_event_commit event = {
|
||||
.output = output,
|
||||
.committed = committed,
|
||||
.when = &now,
|
||||
};
|
||||
wlr_signal_emit_safe(&output->events.commit, &event);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void wlr_output_rollback(struct wlr_output *output) {
|
||||
output_clear_back_buffer(output);
|
||||
output_state_clear(&output->pending);
|
||||
}
|
||||
|
||||
void wlr_output_attach_buffer(struct wlr_output *output,
|
||||
struct wlr_buffer *buffer) {
|
||||
output_state_clear_buffer(&output->pending);
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_BUFFER;
|
||||
output->pending.buffer = wlr_buffer_lock(buffer);
|
||||
}
|
||||
|
||||
void wlr_output_send_frame(struct wlr_output *output) {
|
||||
output->frame_pending = false;
|
||||
if (output->enabled) {
|
||||
wlr_signal_emit_safe(&output->events.frame, output);
|
||||
}
|
||||
}
|
||||
|
||||
static void schedule_frame_handle_idle_timer(void *data) {
|
||||
struct wlr_output *output = data;
|
||||
output->idle_frame = NULL;
|
||||
if (!output->frame_pending) {
|
||||
wlr_output_send_frame(output);
|
||||
}
|
||||
}
|
||||
|
||||
void wlr_output_schedule_frame(struct wlr_output *output) {
|
||||
// Make sure the compositor commits a new frame. This is necessary to make
|
||||
// clients which ask for frame callbacks without submitting a new buffer
|
||||
// work.
|
||||
wlr_output_update_needs_frame(output);
|
||||
|
||||
if (output->frame_pending || output->idle_frame != NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
// We're using an idle timer here in case a buffer swap happens right after
|
||||
// this function is called
|
||||
struct wl_event_loop *ev = wl_display_get_event_loop(output->display);
|
||||
output->idle_frame =
|
||||
wl_event_loop_add_idle(ev, schedule_frame_handle_idle_timer, output);
|
||||
}
|
||||
|
||||
void wlr_output_send_present(struct wlr_output *output,
|
||||
struct wlr_output_event_present *event) {
|
||||
assert(event);
|
||||
event->output = output;
|
||||
|
||||
if (event->presented && event->when == NULL) {
|
||||
struct timespec now;
|
||||
clockid_t clock = wlr_backend_get_presentation_clock(output->backend);
|
||||
errno = 0;
|
||||
if (clock_gettime(clock, &now) != 0) {
|
||||
wlr_log_errno(WLR_ERROR, "failed to send output present event: "
|
||||
"failed to read clock");
|
||||
return;
|
||||
}
|
||||
event->when = &now;
|
||||
}
|
||||
|
||||
wlr_signal_emit_safe(&output->events.present, event);
|
||||
}
|
||||
|
||||
void wlr_output_set_gamma(struct wlr_output *output, size_t size,
|
||||
const uint16_t *r, const uint16_t *g, const uint16_t *b) {
|
||||
output_state_clear_gamma_lut(&output->pending);
|
||||
|
||||
output->pending.gamma_lut_size = size;
|
||||
output->pending.gamma_lut = malloc(3 * size * sizeof(uint16_t));
|
||||
if (output->pending.gamma_lut == NULL) {
|
||||
wlr_log_errno(WLR_ERROR, "Allocation failed");
|
||||
return;
|
||||
}
|
||||
memcpy(output->pending.gamma_lut, r, size * sizeof(uint16_t));
|
||||
memcpy(output->pending.gamma_lut + size, g, size * sizeof(uint16_t));
|
||||
memcpy(output->pending.gamma_lut + 2 * size, b, size * sizeof(uint16_t));
|
||||
|
||||
output->pending.committed |= WLR_OUTPUT_STATE_GAMMA_LUT;
|
||||
}
|
||||
|
||||
size_t wlr_output_get_gamma_size(struct wlr_output *output) {
|
||||
if (!output->impl->get_gamma_size) {
|
||||
return 0;
|
||||
}
|
||||
return output->impl->get_gamma_size(output);
|
||||
}
|
||||
|
||||
bool wlr_output_export_dmabuf(struct wlr_output *output,
|
||||
struct wlr_dmabuf_attributes *attribs) {
|
||||
if (output->front_buffer == NULL) {
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_dmabuf_attributes buf_attribs = {0};
|
||||
if (!wlr_buffer_get_dmabuf(output->front_buffer, &buf_attribs)) {
|
||||
return false;
|
||||
}
|
||||
return wlr_dmabuf_attributes_copy(attribs, &buf_attribs);
|
||||
}
|
||||
|
||||
void wlr_output_update_needs_frame(struct wlr_output *output) {
|
||||
if (output->needs_frame) {
|
||||
return;
|
||||
}
|
||||
output->needs_frame = true;
|
||||
wlr_signal_emit_safe(&output->events.needs_frame, output);
|
||||
}
|
||||
|
||||
void wlr_output_damage_whole(struct wlr_output *output) {
|
||||
int width, height;
|
||||
wlr_output_transformed_resolution(output, &width, &height);
|
||||
|
||||
pixman_region32_t damage;
|
||||
pixman_region32_init_rect(&damage, 0, 0, width, height);
|
||||
|
||||
struct wlr_output_event_damage event = {
|
||||
.output = output,
|
||||
.damage = &damage,
|
||||
};
|
||||
wlr_signal_emit_safe(&output->events.damage, &event);
|
||||
|
||||
pixman_region32_fini(&damage);
|
||||
}
|
||||
281
types/output/render.c
Normal file
281
types/output/render.c
Normal file
@ -0,0 +1,281 @@
|
||||
#include <assert.h>
|
||||
#include <drm_fourcc.h>
|
||||
#include <stdlib.h>
|
||||
#include <wlr/interfaces/wlr_output.h>
|
||||
#include <wlr/render/interface.h>
|
||||
#include <wlr/util/log.h>
|
||||
#include "backend/backend.h"
|
||||
#include "render/allocator/allocator.h"
|
||||
#include "render/drm_format_set.h"
|
||||
#include "render/swapchain.h"
|
||||
#include "render/wlr_renderer.h"
|
||||
#include "types/wlr_output.h"
|
||||
|
||||
/**
|
||||
* Ensure the output has a suitable swapchain. The swapchain is re-created if
|
||||
* necessary.
|
||||
*
|
||||
* If allow_modifiers is set to true, the swapchain's format may use modifiers.
|
||||
* If set to false, the swapchain's format is guaranteed to not use modifiers.
|
||||
*/
|
||||
static bool output_create_swapchain(struct wlr_output *output,
|
||||
bool allow_modifiers) {
|
||||
int width, height;
|
||||
output_pending_resolution(output, &width, &height);
|
||||
|
||||
if (output->swapchain != NULL && output->swapchain->width == width &&
|
||||
output->swapchain->height == height &&
|
||||
(allow_modifiers || output->swapchain->format->len == 0)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
struct wlr_allocator *allocator = backend_get_allocator(output->backend);
|
||||
if (allocator == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to get backend allocator");
|
||||
return false;
|
||||
}
|
||||
|
||||
const struct wlr_drm_format_set *display_formats = NULL;
|
||||
if (output->impl->get_primary_formats) {
|
||||
display_formats =
|
||||
output->impl->get_primary_formats(output, allocator->buffer_caps);
|
||||
if (display_formats == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to get primary display formats");
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
struct wlr_drm_format *format = output_pick_format(output, display_formats);
|
||||
if (format == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to pick primary buffer format for output '%s'",
|
||||
output->name);
|
||||
return false;
|
||||
}
|
||||
wlr_log(WLR_DEBUG, "Choosing primary buffer format 0x%"PRIX32" for output '%s'",
|
||||
format->format, output->name);
|
||||
|
||||
if (!allow_modifiers && (format->len != 1 || format->modifiers[0] != DRM_FORMAT_MOD_LINEAR)) {
|
||||
format->len = 0;
|
||||
}
|
||||
|
||||
struct wlr_swapchain *swapchain =
|
||||
wlr_swapchain_create(allocator, width, height, format);
|
||||
free(format);
|
||||
if (swapchain == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to create output swapchain");
|
||||
return false;
|
||||
}
|
||||
|
||||
wlr_swapchain_destroy(output->swapchain);
|
||||
output->swapchain = swapchain;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool output_attach_back_buffer(struct wlr_output *output,
|
||||
int *buffer_age) {
|
||||
assert(output->back_buffer == NULL);
|
||||
|
||||
if (!output_create_swapchain(output, true)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
assert(renderer != NULL);
|
||||
|
||||
struct wlr_buffer *buffer =
|
||||
wlr_swapchain_acquire(output->swapchain, buffer_age);
|
||||
if (buffer == NULL) {
|
||||
return false;
|
||||
}
|
||||
|
||||
if (!renderer_bind_buffer(renderer, buffer)) {
|
||||
wlr_buffer_unlock(buffer);
|
||||
return false;
|
||||
}
|
||||
|
||||
output->back_buffer = buffer;
|
||||
return true;
|
||||
}
|
||||
|
||||
void output_clear_back_buffer(struct wlr_output *output) {
|
||||
if (output->back_buffer == NULL) {
|
||||
return;
|
||||
}
|
||||
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
assert(renderer != NULL);
|
||||
|
||||
renderer_bind_buffer(renderer, NULL);
|
||||
|
||||
wlr_buffer_unlock(output->back_buffer);
|
||||
output->back_buffer = NULL;
|
||||
}
|
||||
|
||||
bool wlr_output_attach_render(struct wlr_output *output, int *buffer_age) {
|
||||
if (!output_attach_back_buffer(output, buffer_age)) {
|
||||
return false;
|
||||
}
|
||||
wlr_output_attach_buffer(output, output->back_buffer);
|
||||
return true;
|
||||
}
|
||||
|
||||
static bool output_attach_empty_buffer(struct wlr_output *output) {
|
||||
assert(!(output->pending.committed & WLR_OUTPUT_STATE_BUFFER));
|
||||
|
||||
if (!wlr_output_attach_render(output, NULL)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
int width, height;
|
||||
output_pending_resolution(output, &width, &height);
|
||||
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
wlr_renderer_begin(renderer, width, height);
|
||||
wlr_renderer_clear(renderer, (float[]){0, 0, 0, 0});
|
||||
wlr_renderer_end(renderer);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool output_ensure_buffer(struct wlr_output *output) {
|
||||
// If we're lighting up an output or changing its mode, make sure to
|
||||
// provide a new buffer
|
||||
bool needs_new_buffer = false;
|
||||
if ((output->pending.committed & WLR_OUTPUT_STATE_ENABLED) &&
|
||||
output->pending.enabled) {
|
||||
needs_new_buffer = true;
|
||||
}
|
||||
if (output->pending.committed & WLR_OUTPUT_STATE_MODE) {
|
||||
needs_new_buffer = true;
|
||||
}
|
||||
if (!needs_new_buffer ||
|
||||
(output->pending.committed & WLR_OUTPUT_STATE_BUFFER)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
// If the backend doesn't necessarily need a new buffer on modeset, don't
|
||||
// bother allocating one.
|
||||
if (!output->impl->test || output->impl->test(output)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
wlr_log(WLR_DEBUG, "Attaching empty buffer to output for modeset");
|
||||
|
||||
if (!output_attach_empty_buffer(output)) {
|
||||
goto error;
|
||||
}
|
||||
if (!output->impl->test || output->impl->test(output)) {
|
||||
return true;
|
||||
}
|
||||
|
||||
output_clear_back_buffer(output);
|
||||
output->pending.committed &= ~WLR_OUTPUT_STATE_BUFFER;
|
||||
|
||||
if (output->swapchain->format->len == 0) {
|
||||
return false;
|
||||
}
|
||||
|
||||
// The test failed for a buffer which has modifiers, try disabling
|
||||
// modifiers to see if that makes a difference.
|
||||
wlr_log(WLR_DEBUG, "Output modeset test failed, retrying without modifiers");
|
||||
|
||||
if (!output_create_swapchain(output, false)) {
|
||||
return false;
|
||||
}
|
||||
if (!output_attach_empty_buffer(output)) {
|
||||
goto error;
|
||||
}
|
||||
if (!output->impl->test(output)) {
|
||||
goto error;
|
||||
}
|
||||
return true;
|
||||
|
||||
error:
|
||||
output_clear_back_buffer(output);
|
||||
output->pending.committed &= ~WLR_OUTPUT_STATE_BUFFER;
|
||||
return false;
|
||||
}
|
||||
|
||||
void wlr_output_lock_attach_render(struct wlr_output *output, bool lock) {
|
||||
if (lock) {
|
||||
++output->attach_render_locks;
|
||||
} else {
|
||||
assert(output->attach_render_locks > 0);
|
||||
--output->attach_render_locks;
|
||||
}
|
||||
wlr_log(WLR_DEBUG, "%s direct scan-out on output '%s' (locks: %d)",
|
||||
lock ? "Disabling" : "Enabling", output->name,
|
||||
output->attach_render_locks);
|
||||
}
|
||||
|
||||
struct wlr_drm_format *output_pick_format(struct wlr_output *output,
|
||||
const struct wlr_drm_format_set *display_formats) {
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
struct wlr_allocator *allocator = backend_get_allocator(output->backend);
|
||||
assert(renderer != NULL && allocator != NULL);
|
||||
|
||||
const struct wlr_drm_format_set *render_formats =
|
||||
wlr_renderer_get_render_formats(renderer);
|
||||
if (render_formats == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to get render formats");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct wlr_drm_format *format = NULL;
|
||||
const uint32_t candidates[] = { DRM_FORMAT_ARGB8888, DRM_FORMAT_XRGB8888 };
|
||||
for (size_t i = 0; i < sizeof(candidates) / sizeof(candidates[0]); i++) {
|
||||
uint32_t fmt = candidates[i];
|
||||
|
||||
const struct wlr_drm_format *render_format =
|
||||
wlr_drm_format_set_get(render_formats, fmt);
|
||||
if (render_format == NULL) {
|
||||
wlr_log(WLR_DEBUG, "Renderer doesn't support format 0x%"PRIX32, fmt);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (display_formats != NULL) {
|
||||
const struct wlr_drm_format *display_format =
|
||||
wlr_drm_format_set_get(display_formats, fmt);
|
||||
if (display_format == NULL) {
|
||||
wlr_log(WLR_DEBUG, "Output doesn't support format 0x%"PRIX32, fmt);
|
||||
continue;
|
||||
}
|
||||
format = wlr_drm_format_intersect(display_format, render_format);
|
||||
} else {
|
||||
// The output can display any format
|
||||
format = wlr_drm_format_dup(render_format);
|
||||
}
|
||||
|
||||
if (format == NULL) {
|
||||
wlr_log(WLR_DEBUG, "Failed to intersect display and render "
|
||||
"modifiers for format 0x%"PRIX32, fmt);
|
||||
} else {
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (format == NULL) {
|
||||
wlr_log(WLR_ERROR, "Failed to choose a format for output '%s'",
|
||||
output->name);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return format;
|
||||
}
|
||||
|
||||
uint32_t wlr_output_preferred_read_format(struct wlr_output *output) {
|
||||
struct wlr_renderer *renderer = wlr_backend_get_renderer(output->backend);
|
||||
if (!renderer->impl->preferred_read_format || !renderer->impl->read_pixels) {
|
||||
return DRM_FORMAT_INVALID;
|
||||
}
|
||||
|
||||
if (!output_attach_back_buffer(output, NULL)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
uint32_t fmt = renderer->impl->preferred_read_format(renderer);
|
||||
|
||||
output_clear_back_buffer(output);
|
||||
|
||||
return fmt;
|
||||
}
|
||||
25
types/output/transform.c
Normal file
25
types/output/transform.c
Normal file
@ -0,0 +1,25 @@
|
||||
#include <wlr/types/wlr_output.h>
|
||||
|
||||
enum wl_output_transform wlr_output_transform_invert(
|
||||
enum wl_output_transform tr) {
|
||||
if ((tr & WL_OUTPUT_TRANSFORM_90) && !(tr & WL_OUTPUT_TRANSFORM_FLIPPED)) {
|
||||
tr ^= WL_OUTPUT_TRANSFORM_180;
|
||||
}
|
||||
return tr;
|
||||
}
|
||||
|
||||
enum wl_output_transform wlr_output_transform_compose(
|
||||
enum wl_output_transform tr_a, enum wl_output_transform tr_b) {
|
||||
uint32_t flipped = (tr_a ^ tr_b) & WL_OUTPUT_TRANSFORM_FLIPPED;
|
||||
uint32_t rotation_mask = WL_OUTPUT_TRANSFORM_90 | WL_OUTPUT_TRANSFORM_180;
|
||||
uint32_t rotated;
|
||||
if (tr_b & WL_OUTPUT_TRANSFORM_FLIPPED) {
|
||||
// When a rotation of k degrees is followed by a flip, the
|
||||
// equivalent transform is a flip followed by a rotation of
|
||||
// -k degrees.
|
||||
rotated = (tr_b - tr_a) & rotation_mask;
|
||||
} else {
|
||||
rotated = (tr_a + tr_b) & rotation_mask;
|
||||
}
|
||||
return flipped | rotated;
|
||||
}
|
||||
1697
types/wlr_output.c
1697
types/wlr_output.c
File diff suppressed because it is too large
Load Diff
Loading…
Reference in New Issue
Block a user