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backend/wayland: use common renderer and allocator

Browse source 
Instead of managing our own renderer and allocator, let the common
code do it.
This commit is contained in:
Simon Ser 2021-04-29 00:16:34 +02:00 committed by Kenny Levinsen
parent 4dae12890f
commit 349553d011
3 changed files with 43 additions and 60 deletions
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62
backend/wayland/backend.c
View file

@ -6,8 +6,6 @@
#include <stdlib.h> #include <stdlib.h>
#include <unistd.h> #include <unistd.h>
#include <wlr/config.h>
#include <drm_fourcc.h> #include <drm_fourcc.h>
#include <wayland-server-core.h> #include <wayland-server-core.h>
#include <xf86drm.h> #include <xf86drm.h>
@ -17,11 +15,10 @@
#include <wlr/interfaces/wlr_output.h> #include <wlr/interfaces/wlr_output.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/wayland.h" #include "backend/wayland.h"
#include "render/drm_format_set.h" #include "render/drm_format_set.h"
#include "render/gbm_allocator.h"
#include "render/pixel_format.h" #include "render/pixel_format.h"
#include "render/shm_allocator.h"
#include "render/wlr_renderer.h" #include "render/wlr_renderer.h"
#include "types/wlr_buffer.h" #include "types/wlr_buffer.h"
#include "util/signal.h" #include "util/signal.h"
@ -309,24 +306,22 @@ static void backend_destroy(struct wlr_backend *backend) {
wlr_input_device_destroy(input_device); wlr_input_device_destroy(input_device);
} }
struct wlr_wl_buffer *buffer, *tmp_buffer;
wl_list_for_each_safe(buffer, tmp_buffer, &wl->buffers, link) {
destroy_wl_buffer(buffer);
}
wlr_backend_finish(backend); wlr_backend_finish(backend);
wl_list_remove(&wl->local_display_destroy.link); wl_list_remove(&wl->local_display_destroy.link);
wl_event_source_remove(wl->remote_display_src); wl_event_source_remove(wl->remote_display_src);
wlr_renderer_destroy(wl->renderer);
wlr_allocator_destroy(wl->allocator);
close(wl->drm_fd); close(wl->drm_fd);
wlr_drm_format_set_finish(&wl->shm_formats); wlr_drm_format_set_finish(&wl->shm_formats);
wlr_drm_format_set_finish(&wl->linux_dmabuf_v1_formats); wlr_drm_format_set_finish(&wl->linux_dmabuf_v1_formats);
struct wlr_wl_buffer *buffer, *tmp_buffer;
wl_list_for_each_safe(buffer, tmp_buffer, &wl->buffers, link) {
destroy_wl_buffer(buffer);
}
destroy_wl_seats(wl); destroy_wl_seats(wl);
if (wl->zxdg_decoration_manager_v1) { if (wl->zxdg_decoration_manager_v1) {
zxdg_decoration_manager_v1_destroy(wl->zxdg_decoration_manager_v1); zxdg_decoration_manager_v1_destroy(wl->zxdg_decoration_manager_v1);
@ -355,17 +350,12 @@ static void backend_destroy(struct wlr_backend *backend) {
free(wl); free(wl);
} }
static struct wlr_renderer *backend_get_renderer(struct wlr_backend *backend) {
struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
return wl->renderer;
}
static int backend_get_drm_fd(struct wlr_backend *backend) { static int backend_get_drm_fd(struct wlr_backend *backend) {
struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend); struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
return wl->drm_fd; return wl->drm_fd;
} }
static uint32_t backend_get_buffer_caps(struct wlr_backend *backend) { static uint32_t get_buffer_caps(struct wlr_backend *backend) {
struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend); struct wlr_wl_backend *wl = get_wl_backend_from_backend(backend);
return (wl->zwp_linux_dmabuf_v1 ? WLR_BUFFER_CAP_DMABUF : 0) return (wl->zwp_linux_dmabuf_v1 ? WLR_BUFFER_CAP_DMABUF : 0)
| (wl->shm ? WLR_BUFFER_CAP_SHM : 0); | (wl->shm ? WLR_BUFFER_CAP_SHM : 0);
@ -374,9 +364,8 @@ static uint32_t backend_get_buffer_caps(struct wlr_backend *backend) {
static const struct wlr_backend_impl backend_impl = { static const struct wlr_backend_impl backend_impl = {
.start = backend_start, .start = backend_start,
.destroy = backend_destroy, .destroy = backend_destroy,
.get_renderer = backend_get_renderer,
.get_drm_fd = backend_get_drm_fd, .get_drm_fd = backend_get_drm_fd,
.get_buffer_caps = backend_get_buffer_caps, .get_buffer_caps = get_buffer_caps,
}; };
bool wlr_backend_is_wl(struct wlr_backend *b) { bool wlr_backend_is_wl(struct wlr_backend *b) {
@ -456,20 +445,13 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
wl->drm_fd = -1; wl->drm_fd = -1;
} }
wl->renderer = wlr_renderer_autocreate(&wl->backend); struct wlr_renderer *renderer = wlr_backend_get_renderer(&wl->backend);
if (wl->renderer == NULL) { struct wlr_allocator *allocator = backend_get_allocator(&wl->backend);
wlr_log(WLR_ERROR, "Failed to create renderer"); if (renderer == NULL || allocator == NULL) {
goto error_renderer; goto error_drm_fd;
}
uint32_t caps = renderer_get_render_buffer_caps(wl->renderer);
wl->allocator = wlr_allocator_autocreate(&wl->backend, wl->renderer);
if (wl->allocator == NULL) {
wlr_log(WLR_ERROR, "Failed to create allocator");
goto error_allocator;
} }
uint32_t caps = renderer_get_render_buffer_caps(renderer);
const struct wlr_drm_format_set *remote_formats; const struct wlr_drm_format_set *remote_formats;
if ((caps & WLR_BUFFER_CAP_DMABUF) && wl->zwp_linux_dmabuf_v1) { if ((caps & WLR_BUFFER_CAP_DMABUF) && wl->zwp_linux_dmabuf_v1) {
remote_formats = &wl->linux_dmabuf_v1_formats; remote_formats = &wl->linux_dmabuf_v1_formats;
@ -478,14 +460,14 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
} else { } else {
wlr_log(WLR_ERROR, wlr_log(WLR_ERROR,
"Failed to get remote formats (DRI3 and SHM unavailable)"); "Failed to get remote formats (DRI3 and SHM unavailable)");
goto error_allocator; goto error_drm_fd;
} }
const struct wlr_drm_format_set *render_formats = const struct wlr_drm_format_set *render_formats =
wlr_renderer_get_render_formats(wl->renderer); wlr_renderer_get_render_formats(renderer);
if (render_formats == NULL) { if (render_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to get available render-capable formats"); wlr_log(WLR_ERROR, "Failed to get available render-capable formats");
goto error_allocator; goto error_drm_fd;
} }
uint32_t fmt = DRM_FORMAT_ARGB8888; uint32_t fmt = DRM_FORMAT_ARGB8888;
@ -495,21 +477,21 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
if (remote_format == NULL) { if (remote_format == NULL) {
wlr_log(WLR_ERROR, "Remote compositor doesn't support DRM format " wlr_log(WLR_ERROR, "Remote compositor doesn't support DRM format "
"0x%"PRIX32, fmt); "0x%"PRIX32, fmt);
goto error_allocator; goto error_drm_fd;
} }
const struct wlr_drm_format *render_format = const struct wlr_drm_format *render_format =
wlr_drm_format_set_get(render_formats, fmt); wlr_drm_format_set_get(render_formats, fmt);
if (render_format == NULL) { if (render_format == NULL) {
wlr_log(WLR_ERROR, "Renderer doesn't support DRM format 0x%"PRIX32, fmt); wlr_log(WLR_ERROR, "Renderer doesn't support DRM format 0x%"PRIX32, fmt);
goto error_allocator; goto error_drm_fd;
} }
wl->format = wlr_drm_format_intersect(remote_format, render_format); wl->format = wlr_drm_format_intersect(remote_format, render_format);
if (wl->format == NULL) { if (wl->format == NULL) {
wlr_log(WLR_ERROR, "Failed to intersect remote and render modifiers " wlr_log(WLR_ERROR, "Failed to intersect remote and render modifiers "
"for format 0x%"PRIX32, fmt); "for format 0x%"PRIX32, fmt);
goto error_allocator; goto error_drm_fd;
} }
wl->local_display_destroy.notify = handle_display_destroy; wl->local_display_destroy.notify = handle_display_destroy;
@ -517,10 +499,7 @@ struct wlr_backend *wlr_wl_backend_create(struct wl_display *display,
return &wl->backend; return &wl->backend;
error_allocator: error_drm_fd:
wlr_allocator_destroy(wl->allocator);
error_renderer:
wlr_renderer_destroy(wl->renderer);
close(wl->drm_fd); close(wl->drm_fd);
error_remote_display_src: error_remote_display_src:
wl_event_source_remove(wl->remote_display_src); wl_event_source_remove(wl->remote_display_src);
@ -536,6 +515,7 @@ error_registry:
error_display: error_display:
wl_display_disconnect(wl->remote_display); wl_display_disconnect(wl->remote_display);
error_wl: error_wl:
wlr_backend_finish(&wl->backend);
free(wl); free(wl);
return NULL; return NULL;
} }

39
backend/wayland/output.c
View file

@ -15,6 +15,7 @@
#include <wlr/types/wlr_matrix.h> #include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/wayland.h" #include "backend/wayland.h"
#include "render/pixel_format.h" #include "render/pixel_format.h"
#include "render/swapchain.h" #include "render/swapchain.h"
@ -99,10 +100,11 @@ static const struct wp_presentation_feedback_listener
static bool output_set_custom_mode(struct wlr_output *wlr_output, static bool output_set_custom_mode(struct wlr_output *wlr_output,
int32_t width, int32_t height, int32_t refresh) { int32_t width, int32_t height, int32_t refresh) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output); struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
struct wlr_allocator *allocator = backend_get_allocator(wlr_output->backend);
if (wlr_output->width != width || wlr_output->height != height) { if (wlr_output->width != width || wlr_output->height != height) {
struct wlr_swapchain *swapchain = wlr_swapchain_create( struct wlr_swapchain *swapchain = wlr_swapchain_create(allocator,
output->backend->allocator, width, height, output->backend->format); width, height, output->backend->format);
if (swapchain == NULL) { if (swapchain == NULL) {
return false; return false;
} }
@ -117,6 +119,7 @@ static bool output_set_custom_mode(struct wlr_output *wlr_output,
static bool output_attach_render(struct wlr_output *wlr_output, static bool output_attach_render(struct wlr_output *wlr_output,
int *buffer_age) { int *buffer_age) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output); struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
wlr_buffer_unlock(output->back_buffer); wlr_buffer_unlock(output->back_buffer);
output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age); output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
@ -125,8 +128,7 @@ static bool output_attach_render(struct wlr_output *wlr_output,
return false; return false;
} }
if (!wlr_renderer_bind_buffer(output->backend->renderer, if (!wlr_renderer_bind_buffer(renderer, output->back_buffer)) {
output->back_buffer)) {
wlr_log(WLR_ERROR, "Failed to bind buffer to renderer"); wlr_log(WLR_ERROR, "Failed to bind buffer to renderer");
return false; return false;
} }
@ -296,6 +298,7 @@ static bool output_test(struct wlr_output *wlr_output) {
static bool output_commit(struct wlr_output *wlr_output) { static bool output_commit(struct wlr_output *wlr_output) {
struct wlr_wl_output *output = struct wlr_wl_output *output =
get_wl_output_from_output(wlr_output); get_wl_output_from_output(wlr_output);
struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
if (!output_test(wlr_output)) { if (!output_test(wlr_output)) {
return false; return false;
@ -336,7 +339,7 @@ static bool output_commit(struct wlr_output *wlr_output) {
assert(output->back_buffer != NULL); assert(output->back_buffer != NULL);
wlr_buffer = output->back_buffer; wlr_buffer = output->back_buffer;
wlr_renderer_bind_buffer(output->backend->renderer, NULL); wlr_renderer_bind_buffer(renderer, NULL);
break; break;
case WLR_OUTPUT_STATE_BUFFER_SCANOUT:; case WLR_OUTPUT_STATE_BUFFER_SCANOUT:;
wlr_buffer = wlr_output->pending.buffer; wlr_buffer = wlr_output->pending.buffer;
@ -397,8 +400,8 @@ static bool output_commit(struct wlr_output *wlr_output) {
} }
static void output_rollback_render(struct wlr_output *wlr_output) { static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output); struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
wlr_renderer_bind_buffer(output->backend->renderer, NULL); wlr_renderer_bind_buffer(renderer, NULL);
} }
static bool output_set_cursor(struct wlr_output *wlr_output, static bool output_set_cursor(struct wlr_output *wlr_output,
@ -407,6 +410,8 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
int32_t hotspot_x, int32_t hotspot_y, bool update_texture) { int32_t hotspot_x, int32_t hotspot_y, bool update_texture) {
struct wlr_wl_output *output = get_wl_output_from_output(wlr_output); struct wlr_wl_output *output = get_wl_output_from_output(wlr_output);
struct wlr_wl_backend *backend = output->backend; struct wlr_wl_backend *backend = output->backend;
struct wlr_renderer *renderer = wlr_backend_get_renderer(&backend->backend);
struct wlr_allocator *allocator = backend_get_allocator(&backend->backend);
struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y }; struct wlr_box hotspot = { .x = hotspot_x, .y = hotspot_y };
wlr_box_transform(&hotspot, &hotspot, wlr_box_transform(&hotspot, &hotspot,
@ -437,9 +442,8 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
output->cursor.swapchain->width != width || output->cursor.swapchain->width != width ||
output->cursor.swapchain->height != height) { output->cursor.swapchain->height != height) {
wlr_swapchain_destroy(output->cursor.swapchain); wlr_swapchain_destroy(output->cursor.swapchain);
output->cursor.swapchain = wlr_swapchain_create( output->cursor.swapchain = wlr_swapchain_create(allocator,
output->backend->allocator, width, height, width, height, output->backend->format);
output->backend->format);
if (output->cursor.swapchain == NULL) { if (output->cursor.swapchain == NULL) {
return false; return false;
} }
@ -451,7 +455,7 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
return false; return false;
} }
if (!wlr_renderer_bind_buffer(output->backend->renderer, wlr_buffer)) { if (!wlr_renderer_bind_buffer(renderer, wlr_buffer)) {
return false; return false;
} }
@ -475,12 +479,12 @@ static bool output_set_cursor(struct wlr_output *wlr_output,
float matrix[9]; float matrix[9];
wlr_matrix_project_box(matrix, &cursor_box, transform, 0, output_matrix); wlr_matrix_project_box(matrix, &cursor_box, transform, 0, output_matrix);
wlr_renderer_begin(backend->renderer, width, height); wlr_renderer_begin(renderer, width, height);
wlr_renderer_clear(backend->renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 }); wlr_renderer_clear(renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 });
wlr_render_texture_with_matrix(backend->renderer, texture, matrix, 1.0); wlr_render_texture_with_matrix(renderer, texture, matrix, 1.0);
wlr_renderer_end(backend->renderer); wlr_renderer_end(renderer);
wlr_renderer_bind_buffer(output->backend->renderer, NULL); wlr_renderer_bind_buffer(renderer, NULL);
struct wlr_wl_buffer *buffer = struct wlr_wl_buffer *buffer =
get_or_create_wl_buffer(output->backend, wlr_buffer); get_or_create_wl_buffer(output->backend, wlr_buffer);
@ -681,7 +685,8 @@ struct wlr_output *wlr_wl_output_create(struct wlr_backend *wlr_backend) {
&xdg_toplevel_listener, output); &xdg_toplevel_listener, output);
wl_surface_commit(output->surface); wl_surface_commit(output->surface);
output->swapchain = wlr_swapchain_create(output->backend->allocator, struct wlr_allocator *allocator = backend_get_allocator(&backend->backend);
output->swapchain = wlr_swapchain_create(allocator,
wlr_output->width, wlr_output->height, output->backend->format); wlr_output->width, wlr_output->height, output->backend->format);
if (output->swapchain == NULL) { if (output->swapchain == NULL) {
goto error; goto error;

2
include/backend/wayland.h
View file

@ -21,9 +21,7 @@ struct wlr_wl_backend {
struct wl_list devices; struct wl_list devices;
struct wl_list outputs; struct wl_list outputs;
int drm_fd; int drm_fd;
struct wlr_renderer *renderer;
struct wlr_drm_format *format; struct wlr_drm_format *format;
struct wlr_allocator *allocator;
struct wl_list buffers; // wlr_wl_buffer.link struct wl_list buffers; // wlr_wl_buffer.link
size_t requested_outputs; size_t requested_outputs;
size_t last_output_num; size_t last_output_num;