mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-12-31 13:49:49 +01:00
backend/headless: remove swapchain
Rely on wlr_output's generic swapchain support instead of creating our own. The headless output now simply keeps a reference to the front buffer and does nothing else.
This commit is contained in:
Simon Ser
parent
1a06ea7750
commit
44feb832f9
3 changed files with 4 additions and 97 deletions
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@ -70,8 +70,6 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
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wlr_backend_finish(wlr_backend);
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free(backend->format);
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close(backend->drm_fd);
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free(backend);
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}
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@ -146,20 +144,6 @@ static bool backend_init(struct wlr_headless_backend *backend,
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return false;
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}
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const struct wlr_drm_format_set *formats =
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wlr_renderer_get_render_formats(renderer);
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if (formats == NULL) {
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wlr_log(WLR_ERROR, "Failed to get available DMA-BUF formats from renderer");
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return false;
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}
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const struct wlr_drm_format *format =
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wlr_drm_format_set_get(formats, DRM_FORMAT_XRGB8888);
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if (format == NULL) {
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wlr_log(WLR_ERROR, "Renderer doesn't support XRGB8888");
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return false;
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}
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backend->format = wlr_drm_format_dup(format);
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backend->display_destroy.notify = handle_display_destroy;
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wl_display_add_destroy_listener(display, &backend->display_destroy);
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@ -4,10 +4,7 @@
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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/util/log.h>
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#include "backend/backend.h"
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#include "backend/headless.h"
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#include "render/swapchain.h"
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#include "render/wlr_renderer.h"
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#include "util/signal.h"
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static struct wlr_headless_output *headless_output_from_output(
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@ -20,47 +17,17 @@ static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width,
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int32_t height, int32_t refresh) {
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struct wlr_headless_output *output =
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headless_output_from_output(wlr_output);
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struct wlr_allocator *allocator = backend_get_allocator(wlr_output->backend);
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if (refresh <= 0) {
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refresh = HEADLESS_DEFAULT_REFRESH;
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}
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wlr_swapchain_destroy(output->swapchain);
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output->swapchain = wlr_swapchain_create(allocator,
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width, height, output->backend->format);
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if (!output->swapchain) {
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wlr_output_destroy(wlr_output);
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return false;
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}
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output->frame_delay = 1000000 / refresh;
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wlr_output_update_custom_mode(&output->wlr_output, width, height, refresh);
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return true;
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}
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static bool output_attach_render(struct wlr_output *wlr_output,
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int *buffer_age) {
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struct wlr_headless_output *output =
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headless_output_from_output(wlr_output);
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struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
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wlr_buffer_unlock(output->back_buffer);
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output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
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if (!output->back_buffer) {
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wlr_log(WLR_ERROR, "Failed to acquire swapchain buffer");
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return false;
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}
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if (!wlr_renderer_bind_buffer(renderer, output->back_buffer)) {
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wlr_log(WLR_ERROR, "Failed to bind buffer to renderer");
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return false;
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}
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return true;
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}
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static bool output_test(struct wlr_output *wlr_output) {
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if (wlr_output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
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wlr_log(WLR_DEBUG, "Cannot disable a headless output");
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@ -77,7 +44,6 @@ static bool output_test(struct wlr_output *wlr_output) {
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static bool output_commit(struct wlr_output *wlr_output) {
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struct wlr_headless_output *output =
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headless_output_from_output(wlr_output);
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struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
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if (!output_test(wlr_output)) {
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return false;
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@ -93,26 +59,11 @@ static bool output_commit(struct wlr_output *wlr_output) {
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}
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if (wlr_output->pending.committed & WLR_OUTPUT_STATE_BUFFER) {
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struct wlr_buffer *buffer = NULL;
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switch (wlr_output->pending.buffer_type) {
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case WLR_OUTPUT_STATE_BUFFER_RENDER:
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assert(output->back_buffer != NULL);
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wlr_renderer_bind_buffer(renderer, NULL);
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buffer = output->back_buffer;
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output->back_buffer = NULL;
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break;
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case WLR_OUTPUT_STATE_BUFFER_SCANOUT:
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buffer = wlr_buffer_lock(wlr_output->pending.buffer);
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break;
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}
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assert(buffer != NULL);
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assert(wlr_output->pending.buffer_type ==
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WLR_OUTPUT_STATE_BUFFER_SCANOUT);
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wlr_buffer_unlock(output->front_buffer);
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output->front_buffer = buffer;
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wlr_swapchain_set_buffer_submitted(output->swapchain, buffer);
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output->front_buffer = wlr_buffer_lock(wlr_output->pending.buffer);
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wlr_output_send_present(wlr_output, NULL);
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}
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@ -120,17 +71,6 @@ static bool output_commit(struct wlr_output *wlr_output) {
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return true;
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}
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static void output_rollback_render(struct wlr_output *wlr_output) {
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struct wlr_headless_output *output =
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headless_output_from_output(wlr_output);
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struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
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wlr_renderer_bind_buffer(renderer, NULL);
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wlr_buffer_unlock(output->back_buffer);
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output->back_buffer = NULL;
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}
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static bool output_export_dmabuf(struct wlr_output *wlr_output,
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struct wlr_dmabuf_attributes *attribs) {
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struct wlr_headless_output *output =
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@ -153,17 +93,13 @@ static void output_destroy(struct wlr_output *wlr_output) {
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headless_output_from_output(wlr_output);
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wl_list_remove(&output->link);
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wl_event_source_remove(output->frame_timer);
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wlr_swapchain_destroy(output->swapchain);
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wlr_buffer_unlock(output->back_buffer);
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wlr_buffer_unlock(output->front_buffer);
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free(output);
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}
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static const struct wlr_output_impl output_impl = {
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.destroy = output_destroy,
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.attach_render = output_attach_render,
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.commit = output_commit,
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.rollback_render = output_rollback_render,
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.export_dmabuf = output_export_dmabuf,
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};
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@ -182,7 +118,6 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
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unsigned int width, unsigned int height) {
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struct wlr_headless_backend *backend =
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headless_backend_from_backend(wlr_backend);
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struct wlr_allocator *allocator = backend_get_allocator(wlr_backend);
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struct wlr_headless_output *output =
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calloc(1, sizeof(struct wlr_headless_output));
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@ -195,12 +130,6 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
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backend->display);
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struct wlr_output *wlr_output = &output->wlr_output;
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output->swapchain = wlr_swapchain_create(allocator,
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width, height, backend->format);
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if (!output->swapchain) {
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goto error;
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}
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output_set_custom_mode(wlr_output, width, height, 0);
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strncpy(wlr_output->make, "headless", sizeof(wlr_output->make));
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strncpy(wlr_output->model, "headless", sizeof(wlr_output->model));
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@ -224,8 +153,4 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
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}
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return wlr_output;
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error:
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wlr_output_destroy(&output->wlr_output);
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return NULL;
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}
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@ -9,7 +9,6 @@
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struct wlr_headless_backend {
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struct wlr_backend backend;
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int drm_fd;
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struct wlr_drm_format *format;
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struct wl_display *display;
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struct wl_list outputs;
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size_t last_output_num;
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@ -26,8 +25,7 @@ struct wlr_headless_output {
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struct wlr_headless_backend *backend;
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struct wl_list link;
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struct wlr_swapchain *swapchain;
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struct wlr_buffer *back_buffer, *front_buffer;
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struct wlr_buffer *front_buffer;
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struct wl_event_source *frame_timer;
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int frame_delay; // ms
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