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wlroots-hyprland
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backend/x11: remove swapchain 

Rely on wlr_output's generic swapchain handling.

We still need a renderer for cursor readback, sadly.
This commit is contained in:
Simon Ser 2020-12-19 15:54:53 +01:00
parent 68c4f15958
commit a670ee7940
3 changed files with 4 additions and 124 deletions
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43
backend/x11/backend.c
View File

@ -27,14 +27,12 @@
#include <wlr/interfaces/wlr_input_device.h>
#include <wlr/interfaces/wlr_keyboard.h>
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/x11.h"
#include "render/allocator.h"
#include "render/drm_format_set.h"
#include "render/wlr_renderer.h"
#include "types/wlr_buffer.h"
#include "util/signal.h"
@ -202,7 +200,6 @@ static void backend_destroy(struct wlr_backend *backend) {
wlr_drm_format_set_finish(&x11->primary_shm_formats);
wlr_drm_format_set_finish(&x11->dri3_formats);
wlr_drm_format_set_finish(&x11->shm_formats);
free(x11->drm_format);
#if HAS_XCB_ERRORS
xcb_errors_context_free(x11->errors_context);
@ -620,46 +617,6 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
goto error_event;
}
const struct wlr_drm_format_set *pixmap_formats;
if (x11->have_dri3 && (allocator->buffer_caps & WLR_BUFFER_CAP_DMABUF)) {
pixmap_formats = &x11->dri3_formats;
} else if (x11->have_shm && (allocator->buffer_caps & WLR_BUFFER_CAP_SHM)) {
pixmap_formats = &x11->shm_formats;
} else {
wlr_log(WLR_ERROR,
"Failed to create allocator (DRI3 and SHM unavailable)");
goto error_event;
}
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 available DRM formats from renderer");
return false;
}
const struct wlr_drm_format *render_format =
wlr_drm_format_set_get(render_formats, x11->x11_format->drm);
if (render_format == NULL) {
wlr_log(WLR_ERROR, "Renderer doesn't support DRM format 0x%"PRIX32,
x11->x11_format->drm);
return false;
}
const struct wlr_drm_format *pixmap_format = wlr_drm_format_set_get(
pixmap_formats, x11->x11_format->drm);
if (pixmap_format == NULL) {
wlr_log(WLR_ERROR, "X11 server doesn't support DRM format 0x%"PRIX32,
x11->x11_format->drm);
return false;
}
x11->drm_format = wlr_drm_format_intersect(pixmap_format, render_format);
if (x11->drm_format == NULL) {
wlr_log(WLR_ERROR, "Failed to intersect X11 and render modifiers for "
"format 0x%"PRIX32, x11->x11_format->drm);
return false;
}
// Windows can only display buffers with the depth they were created with
// TODO: look into changing the window's depth at runtime
const struct wlr_drm_format *dri3_format =

80
backend/x11/output.c
View File

@ -19,9 +19,7 @@
#include <wlr/types/wlr_matrix.h>
#include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/x11.h"
#include "render/swapchain.h"
#include "render/wlr_renderer.h"
#include "types/wlr_buffer.h"
#include "util/signal.h"
@ -83,9 +81,7 @@ static void output_destroy(struct wlr_output *wlr_output) {
}
wl_list_remove(&output->link);
wlr_buffer_unlock(output->back_buffer);
wlr_swapchain_destroy(output->swapchain);
wlr_swapchain_destroy(output->cursor.swapchain);
if (output->cursor.pic != XCB_NONE) {
xcb_render_free_picture(x11->xcb, output->cursor.pic);
}
@ -97,26 +93,6 @@ static void output_destroy(struct wlr_output *wlr_output) {
free(output);
}
static bool output_attach_render(struct wlr_output *wlr_output,
int *buffer_age) {
struct wlr_x11_output *output = get_x11_output_from_output(wlr_output);
struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = wlr_swapchain_acquire(output->swapchain, buffer_age);
if (!output->back_buffer) {
wlr_log(WLR_ERROR, "Failed to acquire swapchain buffer");
return false;
}
if (!wlr_renderer_bind_buffer(renderer, output->back_buffer)) {
wlr_log(WLR_ERROR, "Failed to bind buffer to renderer");
return false;
}
return true;
}
static bool output_test(struct wlr_output *wlr_output) {
if (wlr_output->pending.committed & WLR_OUTPUT_STATE_ENABLED) {
wlr_log(WLR_DEBUG, "Cannot disable an X11 output");
@ -273,24 +249,11 @@ static struct wlr_x11_buffer *get_or_create_x11_buffer(
static bool output_commit_buffer(struct wlr_x11_output *output) {
struct wlr_x11_backend *x11 = output->x11;
struct wlr_renderer *renderer = wlr_backend_get_renderer(&x11->backend);
struct wlr_buffer *buffer = NULL;
switch (output->wlr_output.pending.buffer_type) {
case WLR_OUTPUT_STATE_BUFFER_RENDER:
assert(output->back_buffer != NULL);
wlr_renderer_bind_buffer(renderer, NULL);
buffer = output->back_buffer;
output->back_buffer = NULL;
break;
case WLR_OUTPUT_STATE_BUFFER_SCANOUT:
buffer = wlr_buffer_lock(output->wlr_output.pending.buffer);
break;
}
assert(buffer != NULL);
assert(output->wlr_output.pending.buffer_type ==
WLR_OUTPUT_STATE_BUFFER_SCANOUT);
struct wlr_buffer *buffer = output->wlr_output.pending.buffer;
struct wlr_x11_buffer *x11_buffer =
get_or_create_x11_buffer(output, buffer);
if (!x11_buffer) {
@ -338,15 +301,10 @@ static bool output_commit_buffer(struct wlr_x11_output *output) {
xcb_xfixes_destroy_region(x11->xcb, region);
}
wlr_buffer_unlock(buffer);
wlr_swapchain_set_buffer_submitted(output->swapchain, x11_buffer->buffer);
return true;
error:
destroy_x11_buffer(x11_buffer);
wlr_buffer_unlock(buffer);
return false;
}
@ -393,11 +351,6 @@ static bool output_commit(struct wlr_output *wlr_output) {
return true;
}
static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
wlr_renderer_bind_buffer(renderer, NULL);
}
static void update_x11_output_cursor(struct wlr_x11_output *output,
int32_t hotspot_x, int32_t hotspot_y) {
struct wlr_x11_backend *x11 = output->x11;
@ -530,10 +483,8 @@ static const struct wlr_drm_format_set *output_get_primary_formats(
static const struct wlr_output_impl output_impl = {
.destroy = output_destroy,
.attach_render = output_attach_render,
.test = output_test,
.commit = output_commit,
.rollback_render = output_rollback_render,
.set_cursor = output_set_cursor,
.move_cursor = output_move_cursor,
.get_primary_formats = output_get_primary_formats,
@ -541,7 +492,6 @@ static const struct wlr_output_impl output_impl = {
struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = get_x11_backend_from_backend(backend);
struct wlr_allocator *allocator = backend_get_allocator(backend);
if (!x11->started) {
++x11->requested_outputs;
@ -561,14 +511,6 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
wlr_output_update_custom_mode(wlr_output, 1024, 768, 0);
output->swapchain = wlr_swapchain_create(allocator,
wlr_output->width, wlr_output->height, x11->drm_format);
if (!output->swapchain) {
wlr_log(WLR_ERROR, "Failed to create swapchain");
free(output);
return NULL;
}
snprintf(wlr_output->name, sizeof(wlr_output->name), "X11-%zd",
++x11->last_output_num);
parse_xcb_setup(wlr_output, x11->xcb);
@ -653,8 +595,6 @@ struct wlr_output *wlr_x11_output_create(struct wlr_backend *backend) {
void handle_x11_configure_notify(struct wlr_x11_output *output,
xcb_configure_notify_event_t *ev) {
struct wlr_allocator *allocator = backend_get_allocator(&output->x11->backend);
// ignore events that set an invalid size:
if (ev->width == 0 || ev->height == 0) {
wlr_log(WLR_DEBUG,
@ -663,18 +603,6 @@ void handle_x11_configure_notify(struct wlr_x11_output *output,
return;
}
if (output->swapchain->width != ev->width ||
output->swapchain->height != ev->height) {
struct wlr_swapchain *swapchain = wlr_swapchain_create(
allocator, ev->width, ev->height,
output->x11->drm_format);
if (!swapchain) {
return;
}
wlr_swapchain_destroy(output->swapchain);
output->swapchain = swapchain;
}
wlr_output_update_custom_mode(&output->wlr_output, ev->width,
ev->height, 0);

5
include/backend/x11.h
View File

@ -21,7 +21,6 @@
#include <wlr/interfaces/wlr_pointer.h>
#include <wlr/interfaces/wlr_touch.h>
#include <wlr/render/drm_format_set.h>
#include <wlr/render/wlr_renderer.h>
#define XCB_EVENT_RESPONSE_TYPE_MASK 0x7f
@ -35,9 +34,6 @@ struct wlr_x11_output {
xcb_window_t win;
xcb_present_event_t present_event_id;
struct wlr_swapchain *swapchain;
struct wlr_buffer *back_buffer;
struct wlr_pointer pointer;
struct wlr_input_device pointer_dev;
@ -93,7 +89,6 @@ struct wlr_x11_backend {
const struct wlr_x11_format *x11_format;
struct wlr_drm_format_set primary_dri3_formats;
struct wlr_drm_format_set primary_shm_formats;
struct wlr_drm_format *drm_format;
struct wl_event_source *event_source;
struct {