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@emersion
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emersion commented Dec 5, 2022

Typo in the commit message: s/invalidated/invalidation/

@Nefsen402 Nefsen402 force-pushed the surface-invalidation branch from ab49f94 to 23f6dbe Compare December 5, 2022 12:08
@Nefsen402 Nefsen402 changed the title Implement surface-invalidated-v1 Implement surface-invalidation-v1 Dec 5, 2022
output->surface_invalidation.serial);
output->committed_width = 0;
output->committed_height = 0;
output->committed_scale = 0;
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Hm, why do we need to reset these?

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Oh, to trigger the buffer_change bool below?

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Maybe we can add || output->surface_invalidation.needs_ack to the buffer_change condition?

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In the render loop, it will compare the old committed_state with whatever it wants to render now, If the results are the same it will simply commit and return early. This is not good enough: we need to make sure that the render_frame function goes all the way through to create a buffer and commit. Just flipping the buffer_change isn't good enough, took me a while to debug that.

if (output->surface_invalidation.needs_ack) {
output->surface_invalidation.needs_ack = false;
wp_surface_invalidation_v1_ack(output->surface_invalidation.object,
output->surface_invalidation.serial);
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Would be a bit nicer to move this to render_frame.

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