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backend/headless: use common renderer and allocator

Browse source 
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:
Simon Ser 2021-04-29 09:18:19 +02:00 • committed by Kenny Levinsen
parent 349553d011
commit c82f37542d
3 changed files with 32 additions and 30 deletions
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17
backend/headless/output.c
View file

@ -4,6 +4,7 @@
#include <wlr/interfaces/wlr_output.h>
#include <wlr/render/wlr_renderer.h>
#include <wlr/util/log.h>
#include "backend/backend.h"
#include "backend/headless.h"
#include "render/swapchain.h"
#include "render/wlr_renderer.h"
@ -19,13 +20,14 @@ static bool output_set_custom_mode(struct wlr_output *wlr_output, int32_t width,
int32_t height, int32_t refresh) {
struct wlr_headless_output *output =
headless_output_from_output(wlr_output);
struct wlr_allocator *allocator = backend_get_allocator(wlr_output->backend);
if (refresh <= 0) {
refresh = HEADLESS_DEFAULT_REFRESH;
}
wlr_swapchain_destroy(output->swapchain);
output->swapchain = wlr_swapchain_create(output->backend->allocator,
output->swapchain = wlr_swapchain_create(allocator,
width, height, output->backend->format);
if (!output->swapchain) {
wlr_output_destroy(wlr_output);
@ -42,6 +44,7 @@ static bool output_attach_render(struct wlr_output *wlr_output,
int *buffer_age) {
struct wlr_headless_output *output =
headless_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);
@ -50,8 +53,7 @@ static bool output_attach_render(struct wlr_output *wlr_output,
return false;
}
if (!wlr_renderer_bind_buffer(output->backend->renderer,
output->back_buffer)) {
if (!wlr_renderer_bind_buffer(renderer, output->back_buffer)) {
wlr_log(WLR_ERROR, "Failed to bind buffer to renderer");
return false;
}
@ -75,6 +77,7 @@ static bool output_test(struct wlr_output *wlr_output) {
static bool output_commit(struct wlr_output *wlr_output) {
struct wlr_headless_output *output =
headless_output_from_output(wlr_output);
struct wlr_renderer *renderer = wlr_backend_get_renderer(wlr_output->backend);
if (!output_test(wlr_output)) {
return false;
@ -95,7 +98,7 @@ static bool output_commit(struct wlr_output *wlr_output) {
case WLR_OUTPUT_STATE_BUFFER_RENDER:
assert(output->back_buffer != NULL);
wlr_renderer_bind_buffer(output->backend->renderer, NULL);
wlr_renderer_bind_buffer(renderer, NULL);
buffer = output->back_buffer;
output->back_buffer = NULL;
@ -120,8 +123,9 @@ static bool output_commit(struct wlr_output *wlr_output) {
static void output_rollback_render(struct wlr_output *wlr_output) {
struct wlr_headless_output *output =
headless_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);
wlr_buffer_unlock(output->back_buffer);
output->back_buffer = NULL;
@ -178,6 +182,7 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
unsigned int width, unsigned int height) {
struct wlr_headless_backend *backend =
headless_backend_from_backend(wlr_backend);
struct wlr_allocator *allocator = backend_get_allocator(wlr_backend);
struct wlr_headless_output *output =
calloc(1, sizeof(struct wlr_headless_output));
@ -190,7 +195,7 @@ struct wlr_output *wlr_headless_add_output(struct wlr_backend *wlr_backend,
backend->display);
struct wlr_output *wlr_output = &output->wlr_output;
output->swapchain = wlr_swapchain_create(backend->allocator,
output->swapchain = wlr_swapchain_create(allocator,
width, height, backend->format);
if (!output->swapchain) {
goto error;