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output_init_render: Allow re-initialization

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This lets the compositor call this function after the fact to replace
the renderer/allocator after a renderer context lost.
This commit is contained in:
Alexander Orzechowski 2022-12-01 04:57:53 -05:00 committed by Simon Ser
parent db0e962368
commit fe891ebd4e
2 changed files with 10 additions and 3 deletions
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3
include/wlr/types/wlr_output.h
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@ -278,7 +278,8 @@ void wlr_output_create_global(struct wlr_output *output);
void wlr_output_destroy_global(struct wlr_output *output);
/**
* Initialize the output's rendering subsystem with the provided allocator and
* renderer. Can only be called once.
* renderer. After initialization, this function may invoked again to reinitialize
* the allocator and renderer to different values.
*
* Call this function prior to any call to wlr_output_attach_render(),
* wlr_output_commit() or wlr_output_cursor_create().

10
types/output/render.c
View file

@ -15,8 +15,8 @@
bool wlr_output_init_render(struct wlr_output *output,
struct wlr_allocator *allocator, struct wlr_renderer *renderer) {
assert(output->allocator == NULL && allocator != NULL);
assert(output->renderer == NULL && renderer != NULL);
assert(allocator != NULL && renderer != NULL);
assert(output->back_buffer == NULL);
uint32_t backend_caps = backend_get_buffer_caps(output->backend);
uint32_t renderer_caps = renderer_get_render_buffer_caps(renderer);
@ -31,6 +31,12 @@ bool wlr_output_init_render(struct wlr_output *output,
return false;
}
wlr_swapchain_destroy(output->swapchain);
output->swapchain = NULL;
wlr_swapchain_destroy(output->cursor_swapchain);
output->cursor_swapchain = NULL;
output->allocator = allocator;
output->renderer = renderer;