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backend/x11: 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 09:33:54 +02:00 committed by Kenny Levinsen
parent c82f37542d
commit fd2b1f018e
3 changed files with 31 additions and 44 deletions
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31
backend/x11/backend.c
View file

@ -30,6 +30,7 @@
#include <wlr/render/wlr_renderer.h> #include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h> #include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/x11.h" #include "backend/x11.h"
#include "render/drm_format_set.h" #include "render/drm_format_set.h"
#include "render/gbm_allocator.h" #include "render/gbm_allocator.h"
@ -198,8 +199,6 @@ static void backend_destroy(struct wlr_backend *backend) {
} }
wl_list_remove(&x11->display_destroy.link); wl_list_remove(&x11->display_destroy.link);
wlr_renderer_destroy(x11->renderer);
wlr_allocator_destroy(x11->allocator);
wlr_drm_format_set_finish(&x11->dri3_formats); wlr_drm_format_set_finish(&x11->dri3_formats);
wlr_drm_format_set_finish(&x11->shm_formats); wlr_drm_format_set_finish(&x11->shm_formats);
free(x11->drm_format); free(x11->drm_format);
@ -213,18 +212,12 @@ static void backend_destroy(struct wlr_backend *backend) {
free(x11); free(x11);
} }
static struct wlr_renderer *backend_get_renderer(
struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
return x11->renderer;
}
static int backend_get_drm_fd(struct wlr_backend *backend) { static int backend_get_drm_fd(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend); struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
return x11->drm_fd; return x11->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_x11_backend *x11 = get_x11_backend_from_backend(backend); struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
return (x11->have_dri3 ? WLR_BUFFER_CAP_DMABUF : 0) return (x11->have_dri3 ? WLR_BUFFER_CAP_DMABUF : 0)
| (x11->have_shm ? WLR_BUFFER_CAP_SHM : 0); | (x11->have_shm ? WLR_BUFFER_CAP_SHM : 0);
@ -233,9 +226,8 @@ 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_x11(struct wlr_backend *backend) { bool wlr_backend_is_x11(struct wlr_backend *backend) {
@ -621,14 +613,13 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
} }
} }
x11->renderer = wlr_renderer_autocreate(&x11->backend); struct wlr_renderer *renderer = wlr_backend_get_renderer(&x11->backend);
if (x11->renderer == NULL) { struct wlr_allocator *allocator = backend_get_allocator(&x11->backend);
wlr_log(WLR_ERROR, "Failed to create renderer"); if (renderer == NULL || allocator == NULL) {
goto error_event; goto error_event;
} }
uint32_t caps = renderer_get_render_buffer_caps(x11->renderer); uint32_t caps = renderer_get_render_buffer_caps(renderer);
const struct wlr_drm_format_set *pixmap_formats; const struct wlr_drm_format_set *pixmap_formats;
if (x11->have_dri3 && (caps & WLR_BUFFER_CAP_DMABUF)) { if (x11->have_dri3 && (caps & WLR_BUFFER_CAP_DMABUF)) {
pixmap_formats = &x11->dri3_formats; pixmap_formats = &x11->dri3_formats;
@ -640,14 +631,8 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
goto error_event; goto error_event;
} }
x11->allocator = wlr_allocator_autocreate(&x11->backend, x11->renderer);
if (x11->allocator == NULL) {
wlr_log(WLR_ERROR, "Failed to create allocator");
goto error_event;
}
const struct wlr_drm_format_set *render_formats = const struct wlr_drm_format_set *render_formats =
wlr_renderer_get_render_formats(x11->renderer); wlr_renderer_get_render_formats(renderer);
if (render_formats == NULL) { if (render_formats == NULL) {
wlr_log(WLR_ERROR, "Failed to get available DRM formats from renderer"); wlr_log(WLR_ERROR, "Failed to get available DRM formats from renderer");
return false; return false;

42
backend/x11/output.c
View file

@ -19,6 +19,7 @@
#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/x11.h" #include "backend/x11.h"
#include "render/swapchain.h" #include "render/swapchain.h"
#include "render/wlr_renderer.h" #include "render/wlr_renderer.h"
@ -98,7 +99,7 @@ static void output_destroy(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_x11_output *output = get_x11_output_from_output(wlr_output); struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
struct wlr_x11_backend *x11 = output->x11; 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);
@ -107,7 +108,7 @@ static bool output_attach_render(struct wlr_output *wlr_output,
return false; return false;
} }
if (!wlr_renderer_bind_buffer(x11->renderer, output->back_buffer)) { if (!wlr_renderer_bind_buffer(renderer, 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;
} }
@ -271,13 +272,14 @@ static struct wlr_x11_buffer *get_or_create_x11_buffer(
static bool output_commit_buffer(struct wlr_x11_output *output) { static bool output_commit_buffer(struct wlr_x11_output *output) {
struct wlr_x11_backend *x11 = output->x11; struct wlr_x11_backend *x11 = output->x11;
struct wlr_renderer *renderer = wlr_backend_get_renderer(&x11->backend);
struct wlr_buffer *buffer = NULL; struct wlr_buffer *buffer = NULL;
switch (output->wlr_output.pending.buffer_type) { switch (output->wlr_output.pending.buffer_type) {
case WLR_OUTPUT_STATE_BUFFER_RENDER: case WLR_OUTPUT_STATE_BUFFER_RENDER:
assert(output->back_buffer != NULL); assert(output->back_buffer != NULL);
wlr_renderer_bind_buffer(x11->renderer, NULL); wlr_renderer_bind_buffer(renderer, NULL);
buffer = output->back_buffer; buffer = output->back_buffer;
output->back_buffer = NULL; output->back_buffer = NULL;
@ -391,10 +393,8 @@ 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_x11_output *output = get_x11_output_from_output(wlr_output); struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
struct wlr_x11_backend *x11 = output->x11; wlr_renderer_bind_buffer(renderer, NULL);
wlr_renderer_bind_buffer(x11->renderer, NULL);
} }
static void update_x11_output_cursor(struct wlr_x11_output *output, static void update_x11_output_cursor(struct wlr_x11_output *output,
@ -423,6 +423,8 @@ static bool output_cursor_to_picture(struct wlr_x11_output *output,
struct wlr_texture *texture, enum wl_output_transform transform, struct wlr_texture *texture, enum wl_output_transform transform,
int width, int height) { int width, int height) {
struct wlr_x11_backend *x11 = output->x11; struct wlr_x11_backend *x11 = output->x11;
struct wlr_allocator *allocator = backend_get_allocator(&x11->backend);
struct wlr_renderer *renderer = wlr_backend_get_renderer(&x11->backend);
int depth = 32; int depth = 32;
int stride = width * 4; int stride = width * 4;
@ -439,9 +441,8 @@ static bool output_cursor_to_picture(struct wlr_x11_output *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,
x11->allocator, width, height, width, height, x11->drm_format);
x11->drm_format);
if (output->cursor.swapchain == NULL) { if (output->cursor.swapchain == NULL) {
return false; return false;
} }
@ -453,7 +454,7 @@ static bool output_cursor_to_picture(struct wlr_x11_output *output,
return false; return false;
} }
if (!wlr_renderer_bind_buffer(x11->renderer, wlr_buffer)) { if (!wlr_renderer_bind_buffer(renderer, wlr_buffer)) {
return false; return false;
} }
@ -482,17 +483,17 @@ static bool output_cursor_to_picture(struct wlr_x11_output *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(x11->renderer, width, height); wlr_renderer_begin(renderer, width, height);
wlr_renderer_clear(x11->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(x11->renderer, texture, matrix, 1.0); wlr_render_texture_with_matrix(renderer, texture, matrix, 1.0);
wlr_renderer_end(x11->renderer); wlr_renderer_end(renderer);
bool result = wlr_renderer_read_pixels( bool result = wlr_renderer_read_pixels(
x11->renderer, DRM_FORMAT_ARGB8888, NULL, renderer, DRM_FORMAT_ARGB8888, NULL,
width * 4, width, height, 0, 0, 0, 0, width * 4, width, height, 0, 0, 0, 0,
data); data);
wlr_renderer_bind_buffer(x11->renderer, NULL); wlr_renderer_bind_buffer(renderer, NULL);
wlr_buffer_unlock(wlr_buffer); wlr_buffer_unlock(wlr_buffer);
@ -594,6 +595,7 @@ static const struct wlr_output_impl output_impl = {
struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) { struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend); struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
struct wlr_allocator *allocator = backend_get_allocator(backend);
if (!x11->started) { if (!x11->started) {
++x11->requested_outputs; ++x11->requested_outputs;
@ -613,7 +615,7 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
wlr_output_update_custom_mode(wlr_output, 1024, 768, 0); wlr_output_update_custom_mode(wlr_output, 1024, 768, 0);
output->swapchain = wlr_swapchain_create(x11->allocator, output->swapchain = wlr_swapchain_create(allocator,
wlr_output->width, wlr_output->height, x11->drm_format); wlr_output->width, wlr_output->height, x11->drm_format);
if (!output->swapchain) { if (!output->swapchain) {
wlr_log(WLR_ERROR, "Failed to create swapchain"); wlr_log(WLR_ERROR, "Failed to create swapchain");
@ -705,6 +707,8 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
void handle_x11_configure_notify(struct wlr_x11_output *output, void handle_x11_configure_notify(struct wlr_x11_output *output,
xcb_configure_notify_event_t *ev) { xcb_configure_notify_event_t *ev) {
struct wlr_allocator *allocator = backend_get_allocator(&output->x11->backend);
// ignore events that set an invalid size: // ignore events that set an invalid size:
if (ev->width == 0 || ev->height == 0) { if (ev->width == 0 || ev->height == 0) {
wlr_log(WLR_DEBUG, wlr_log(WLR_DEBUG,
@ -716,7 +720,7 @@ void handle_x11_configure_notify(struct wlr_x11_output *output,
if (output->swapchain->width != ev->width || if (output->swapchain->width != ev->width ||
output->swapchain->height != ev->height) { output->swapchain->height != ev->height) {
struct wlr_swapchain *swapchain = wlr_swapchain_create( struct wlr_swapchain *swapchain = wlr_swapchain_create(
output->x11->allocator, ev->width, ev->height, allocator, ev->width, ev->height,
output->x11->drm_format); output->x11->drm_format);
if (!swapchain) { if (!swapchain) {
return; return;

2
include/backend/x11.h
View file

@ -88,12 +88,10 @@ struct wlr_x11_backend {
struct wlr_input_device keyboard_dev; struct wlr_input_device keyboard_dev;
int drm_fd; int drm_fd;
struct wlr_renderer *renderer;
struct wlr_drm_format_set dri3_formats; struct wlr_drm_format_set dri3_formats;
struct wlr_drm_format_set shm_formats; struct wlr_drm_format_set shm_formats;
const struct wlr_x11_format *x11_format; const struct wlr_x11_format *x11_format;
struct wlr_drm_format *drm_format; struct wlr_drm_format *drm_format;
struct wlr_allocator *allocator;
struct wl_event_source *event_source; struct wl_event_source *event_source;
struct { struct {