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opengl: only allocate offMainFB on demand

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These are not used by hyprland, only potentially plugins. No need to keep the VRAM allocated all the time
This commit is contained in:
Vaxry 2025-01-08 11:33:41 +01:00
parent 5fa2594659
commit ad64726f5d
1 changed files with 9 additions and 1 deletions
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10
src/render/OpenGL.cpp
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@ -843,7 +843,6 @@ void CHyprOpenGLImpl::begin(PHLMONITOR pMonitor, const CRegion& damage_, CFrameb
m_RenderData.pCurrentMonData->offloadFB.alloc(pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y, pMonitor->output->state->state().drmFormat);
m_RenderData.pCurrentMonData->mirrorFB.alloc(pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y, pMonitor->output->state->state().drmFormat);
m_RenderData.pCurrentMonData->mirrorSwapFB.alloc(pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y, pMonitor->output->state->state().drmFormat);
m_RenderData.pCurrentMonData->offMainFB.alloc(pMonitor->vecPixelSize.x, pMonitor->vecPixelSize.y, pMonitor->output->state->state().drmFormat);
m_RenderData.pCurrentMonData->offloadFB.addStencil(m_RenderData.pCurrentMonData->stencilTex);
m_RenderData.pCurrentMonData->mirrorFB.addStencil(m_RenderData.pCurrentMonData->stencilTex);
@ -954,6 +953,12 @@ void CHyprOpenGLImpl::end() {
m_RenderData.mainFB = nullptr;
m_RenderData.outFB = nullptr;
// if we dropped to offMain, release it now.
// if there is a plugin constantly using it, this might be a bit slow,
// but I havent seen a single plugin yet use these, so it's better to drop a bit of vram.
if (m_RenderData.pCurrentMonData->offMainFB.isAllocated())
m_RenderData.pCurrentMonData->offMainFB.release();
// check for gl errors
const GLenum ERR = glGetError();
@ -2881,6 +2886,9 @@ void CHyprOpenGLImpl::restoreMatrix() {
}
void CHyprOpenGLImpl::bindOffMain() {
if (!m_RenderData.pCurrentMonData->offMainFB.isAllocated())
m_RenderData.pCurrentMonData->offMainFB.alloc(m_RenderData.pMonitor->vecPixelSize.x, m_RenderData.pMonitor->vecPixelSize.y,
m_RenderData.pMonitor->output->state->state().drmFormat);
m_RenderData.pCurrentMonData->offMainFB.bind();
clear(CHyprColor(0, 0, 0, 0));
m_RenderData.currentFB = &m_RenderData.pCurrentMonData->offMainFB;