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opengl: switch to black-and-white for alpha mattes

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also fixes shadows on 10b
This commit is contained in:
Vaxry 2023-11-09 22:11:42 +00:00
parent 11432f69b9
commit 14195835ef
4 changed files with 17 additions and 10 deletions
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19
src/render/decorations/CHyprDropShadowDecoration.cpp
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@ -140,19 +140,26 @@ void CHyprDropShadowDecoration::draw(CMonitor* pMonitor, float a, const Vector2D
windowBox.addExtents(SWindowDecorationExtents{m_eLastExtents * pMonitor->scale}.floor()).round();
if (windowBox.width < 1 || windowBox.height < 1) {
if (windowBox.width < 1 || windowBox.height < 1)
return; // prevent assert failed
}
alphaFB.bind();
g_pHyprOpenGL->clear(CColor(0, 0, 0, 0));
g_pHyprOpenGL->renderRect(&windowBox, CColor(1.0, 1.0, 1.0, 1.0), ROUNDING * pMonitor->scale);
// build the matte
// 10-bit formats have dogshit alpha channels, so we have to use the matte to its fullest.
// first, clear with black (fully transparent)
g_pHyprOpenGL->clear(CColor(0, 0, 0, 1));
// render white shadow
g_pHyprOpenGL->renderRoundedShadow(&fullBox, ROUNDING * pMonitor->scale, *PSHADOWSIZE * pMonitor->scale, CColor(1, 1, 1, 1), a);
// render black window box ("clip")
g_pHyprOpenGL->renderRect(&windowBox, CColor(0, 0, 0, 1.0), ROUNDING * pMonitor->scale);
alphaSwapFB.bind();
g_pHyprOpenGL->clear(CColor(0, 0, 0, 0));
g_pHyprOpenGL->renderRoundedShadow(&fullBox, ROUNDING * pMonitor->scale, *PSHADOWSIZE * pMonitor->scale, a);
// alpha swap just has the shadow color. It will be the "texture" to render.
g_pHyprOpenGL->clear(m_pWindow->m_cRealShadowColor.col());
LASTFB->bind();