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buffer: move texture creation to commit time (#11964)

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* buffer: move texture creation to commit time

move creating texture away from buffer attach into commitstate in an
attempt to postpone gpu work until its really needed. best case scenario
gpu clocks have ramped up before because we are actively doing things
causing surface states and a commit to happend meaning less visible lag.

* buffer: simplify texture creation

make createTexture return a shared ptr directly, remove not needed
member variables as m_success and m_texture.
This commit is contained in:
Tom Englund 2025-10-08 22:25:55 +02:00 • committed by GitHub
parent 0dc45b54f3
commit 82759d4095
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GPG key ID: B5690EEEBB952194
11 changed files with 53 additions and 45 deletions
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8
src/protocols/core/Compositor.cpp
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@ -91,12 +91,10 @@ CWLSurfaceResource::CWLSurfaceResource(SP<CWlSurface> resource_) : m_resource(re
if (buf && buf->m_buffer) {
m_pending.buffer = CHLBufferReference(buf->m_buffer.lock());
m_pending.texture = buf->m_buffer->m_texture;
m_pending.size = buf->m_buffer->size;
m_pending.bufferSize = buf->m_buffer->size;
} else {
m_pending.buffer = {};
m_pending.texture.reset();
m_pending.buffer = {};
m_pending.size = Vector2D{};
m_pending.bufferSize = Vector2D{};
}
@ -132,7 +130,7 @@ CWLSurfaceResource::CWLSurfaceResource(SP<CWlSurface> resource_) : m_resource(re
}
// null buffer attached
if (!m_pending.buffer && !m_pending.texture && m_pending.updated.bits.buffer) {
if (!m_pending.buffer && m_pending.updated.bits.buffer) {
commitState(m_pending);
// remove any pending states.
@ -528,6 +526,8 @@ void CWLSurfaceResource::commitState(SSurfaceState& state) {
if (m_current.buffer) {
if (m_current.buffer->isSynchronous())
m_current.updateSynchronousTexture(lastTexture);
else if (!m_current.buffer->isSynchronous() && state.updated.bits.buffer) // only get a new texture when a new buffer arrived
m_current.texture = m_current.buffer->createTexture();
// if the surface is a cursor, update the shm buffer
// TODO: don't update the entire texture