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fix(render): calculate UV using both pixel and monitor dimensions #9210

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Jan 29, 2025
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fix(render): calculate UV using both pixel and monitor dimensions #9210

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16 changes: 11 additions & 5 deletions src/render/OpenGL.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2147,14 +2147,20 @@ void CHyprOpenGLImpl::renderTextureWithBlur(SP<CTexture> tex, const CBox& box, f
glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);

// stencil done. Render everything.
CBox MONITORBOX = {0, 0, m_RenderData.pMonitor->vecTransformedSize.x, m_RenderData.pMonitor->vecTransformedSize.y};
// render our great blurred FB
// calculate the uv for it
const auto LASTTL = m_RenderData.primarySurfaceUVTopLeft;
const auto LASTBR = m_RenderData.primarySurfaceUVBottomRight;

m_RenderData.primarySurfaceUVTopLeft = box.pos() / MONITORBOX.size();
m_RenderData.primarySurfaceUVBottomRight = (box.pos() + box.size()) / MONITORBOX.size();
CBox transformedBox = box;
transformedBox.transform(wlTransformToHyprutils(invertTransform(m_RenderData.pMonitor->transform)), m_RenderData.pMonitor->vecTransformedSize.x,
m_RenderData.pMonitor->vecTransformedSize.y);

CBox monitorSpaceBox = {transformedBox.pos().x / m_RenderData.pMonitor->vecPixelSize.x * m_RenderData.pMonitor->vecTransformedSize.x,
transformedBox.pos().y / m_RenderData.pMonitor->vecPixelSize.y * m_RenderData.pMonitor->vecTransformedSize.y,
transformedBox.width / m_RenderData.pMonitor->vecPixelSize.x * m_RenderData.pMonitor->vecTransformedSize.x,
transformedBox.height / m_RenderData.pMonitor->vecPixelSize.y * m_RenderData.pMonitor->vecTransformedSize.y};

m_RenderData.primarySurfaceUVTopLeft = monitorSpaceBox.pos() / m_RenderData.pMonitor->vecTransformedSize;
m_RenderData.primarySurfaceUVBottomRight = (monitorSpaceBox.pos() + monitorSpaceBox.size()) / m_RenderData.pMonitor->vecTransformedSize;

static auto PBLURIGNOREOPACITY = CConfigValue<Hyprlang::INT>("decoration:blur:ignore_opacity");
setMonitorTransformEnabled(true);
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