mirror of
https://github.com/hyprwm/wlroots-hyprland.git
synced 2024-11-04 20:55:58 +01:00
backend/headless: use common renderer and allocator
Instead of managing our own renderer and allocator, let the common code do it. Because wlr_headless_backend_create_with_renderer needs to re-use the parent renderer, we have to hand-roll some of the renderer initialization.
This commit is contained in:
parent
349553d011
commit
c82f37542d
3 changed files with 32 additions and 30 deletions
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@ -9,6 +9,7 @@
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/util/log.h>
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#include <xf86drm.h>
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#include "backend/backend.h"
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#include "backend/headless.h"
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#include "render/drm_format_set.h"
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#include "render/gbm_allocator.h"
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@ -54,7 +55,7 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
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}
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wl_list_remove(&backend->display_destroy.link);
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wl_list_remove(&backend->renderer_destroy.link);
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wl_list_remove(&backend->parent_renderer_destroy.link);
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struct wlr_headless_output *output, *output_tmp;
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wl_list_for_each_safe(output, output_tmp, &backend->outputs, link) {
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@ -71,11 +72,6 @@ static void backend_destroy(struct wlr_backend *wlr_backend) {
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free(backend->format);
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if (!backend->has_parent_renderer) {
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wlr_renderer_destroy(backend->renderer);
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}
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wlr_allocator_destroy(backend->allocator);
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close(backend->drm_fd);
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free(backend);
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}
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@ -84,7 +80,11 @@ static struct wlr_renderer *backend_get_renderer(
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struct wlr_backend *wlr_backend) {
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struct wlr_headless_backend *backend =
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headless_backend_from_backend(wlr_backend);
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return backend->renderer;
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if (backend->parent_renderer != NULL) {
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return backend->parent_renderer;
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} else {
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return wlr_backend->renderer;
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}
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}
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static int backend_get_drm_fd(struct wlr_backend *wlr_backend) {
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@ -93,7 +93,7 @@ static int backend_get_drm_fd(struct wlr_backend *wlr_backend) {
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return backend->drm_fd;
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}
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static uint32_t backend_get_buffer_caps(struct wlr_backend *wlr_backend) {
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static uint32_t get_buffer_caps(struct wlr_backend *wlr_backend) {
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return WLR_BUFFER_CAP_DATA_PTR
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| WLR_BUFFER_CAP_DMABUF
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| WLR_BUFFER_CAP_SHM;
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@ -104,7 +104,7 @@ static const struct wlr_backend_impl backend_impl = {
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.destroy = backend_destroy,
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.get_renderer = backend_get_renderer,
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.get_drm_fd = backend_get_drm_fd,
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.get_buffer_caps = backend_get_buffer_caps,
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.get_buffer_caps = get_buffer_caps,
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};
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static void handle_display_destroy(struct wl_listener *listener, void *data) {
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@ -115,16 +115,18 @@ static void handle_display_destroy(struct wl_listener *listener, void *data) {
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static void handle_renderer_destroy(struct wl_listener *listener, void *data) {
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struct wlr_headless_backend *backend =
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wl_container_of(listener, backend, renderer_destroy);
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wl_container_of(listener, backend, parent_renderer_destroy);
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backend_destroy(&backend->backend);
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}
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static bool backend_init(struct wlr_headless_backend *backend,
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struct wl_display *display, struct wlr_renderer *renderer) {
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wlr_backend_init(&backend->backend, &backend_impl);
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backend->display = display;
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wl_list_init(&backend->outputs);
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wl_list_init(&backend->input_devices);
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wl_list_init(&backend->parent_renderer_destroy.link);
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if (renderer == NULL) {
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renderer = wlr_renderer_autocreate(&backend->backend);
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@ -132,17 +134,20 @@ static bool backend_init(struct wlr_headless_backend *backend,
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wlr_log(WLR_ERROR, "Failed to create renderer");
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return false;
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}
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backend->backend.renderer = renderer;
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} else {
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backend->parent_renderer = renderer;
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backend->parent_renderer_destroy.notify = handle_renderer_destroy;
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wl_signal_add(&renderer->events.destroy, &backend->parent_renderer_destroy);
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}
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backend->renderer = renderer;
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backend->allocator = wlr_allocator_autocreate(&backend->backend, renderer);
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if (!backend->allocator) {
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if (backend_get_allocator(&backend->backend) == NULL) {
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wlr_log(WLR_ERROR, "Failed to create allocator");
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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(backend->renderer);
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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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@ -158,8 +163,6 @@ static bool backend_init(struct wlr_headless_backend *backend,
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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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wl_list_init(&backend->renderer_destroy.link);
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return true;
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}
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@ -246,7 +249,6 @@ struct wlr_backend *wlr_headless_backend_create_with_renderer(
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wlr_log(WLR_ERROR, "Failed to allocate wlr_headless_backend");
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return NULL;
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}
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backend->has_parent_renderer = true;
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int drm_fd = wlr_renderer_get_drm_fd(renderer);
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if (drm_fd < 0) {
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@ -263,9 +265,6 @@ struct wlr_backend *wlr_headless_backend_create_with_renderer(
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goto error_init;
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}
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backend->renderer_destroy.notify = handle_renderer_destroy;
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wl_signal_add(&renderer->events.destroy, &backend->renderer_destroy);
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return &backend->backend;
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error_init:
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@ -4,6 +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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@ -19,13 +20,14 @@ 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(output->backend->allocator,
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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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@ -42,6 +44,7 @@ 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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@ -50,8 +53,7 @@ static bool output_attach_render(struct wlr_output *wlr_output,
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return false;
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}
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if (!wlr_renderer_bind_buffer(output->backend->renderer,
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output->back_buffer)) {
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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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@ -75,6 +77,7 @@ 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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@ -95,7 +98,7 @@ static bool output_commit(struct wlr_output *wlr_output) {
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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(output->backend->renderer, 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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@ -120,8 +123,9 @@ static bool output_commit(struct wlr_output *wlr_output) {
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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(output->backend->renderer, NULL);
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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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@ -178,6 +182,7 @@ 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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@ -190,7 +195,7 @@ 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(backend->allocator,
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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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@ -9,16 +9,14 @@
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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_renderer *renderer;
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struct wlr_allocator *allocator;
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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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struct wl_list input_devices;
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struct wl_listener display_destroy;
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struct wl_listener renderer_destroy;
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bool has_parent_renderer;
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struct wlr_renderer *parent_renderer;
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struct wl_listener parent_renderer_destroy;
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bool started;
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};
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