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#include "CHyprDropShadowDecoration.hpp"
#include "../../Compositor.hpp"
CHyprDropShadowDecoration::CHyprDropShadowDecoration(CWindow* pWindow) : IHyprWindowDecoration(pWindow) {
m_pWindow = pWindow;
}
CHyprDropShadowDecoration::~CHyprDropShadowDecoration() {}
eDecorationType CHyprDropShadowDecoration::getDecorationType() {
return DECORATION_SHADOW;
}
SDecorationPositioningInfo CHyprDropShadowDecoration::getPositioningInfo() {
SDecorationPositioningInfo info;
info.policy = DECORATION_POSITION_ABSOLUTE;
info.desiredExtents = m_seExtents;
info.edges = DECORATION_EDGE_BOTTOM | DECORATION_EDGE_LEFT | DECORATION_EDGE_RIGHT | DECORATION_EDGE_TOP;
m_seReportedExtents = m_seExtents;
return info;
}
void CHyprDropShadowDecoration::onPositioningReply(const SDecorationPositioningReply& reply) {
updateWindow(m_pWindow);
}
uint64_t CHyprDropShadowDecoration::getDecorationFlags() {
return DECORATION_NON_SOLID;
}
void CHyprDropShadowDecoration::damageEntire() {
static auto* const PSHADOWS = &g_pConfigManager->getConfigValuePtr("decoration:drop_shadow")->intValue;
if (*PSHADOWS != 1)
return; // disabled
CBox dm = {m_vLastWindowPos.x - m_seExtents.topLeft.x, m_vLastWindowPos.y - m_seExtents.topLeft.y, m_vLastWindowSize.x + m_seExtents.topLeft.x + m_seExtents.bottomRight.x,
m_vLastWindowSize.y + m_seExtents.topLeft.y + m_seExtents.bottomRight.y};
g_pHyprRenderer->damageBox(&dm);
}
void CHyprDropShadowDecoration::updateWindow(CWindow* pWindow) {
m_vLastWindowPos = m_pWindow->m_vRealPosition.vec();
m_vLastWindowSize = m_pWindow->m_vRealSize.vec();
m_bLastWindowBox = {m_vLastWindowPos.x, m_vLastWindowPos.y, m_vLastWindowSize.x, m_vLastWindowSize.y};
m_bLastWindowBoxWithDecos = g_pDecorationPositioner->getBoxWithIncludedDecos(pWindow);
}
void CHyprDropShadowDecoration::draw(CMonitor* pMonitor, float a, const Vector2D& offset) {
if (!g_pCompositor->windowValidMapped(m_pWindow))
return;
if (m_pWindow->m_cRealShadowColor.col() == CColor(0, 0, 0, 0))
return; // don't draw invisible shadows
if (!m_pWindow->m_sSpecialRenderData.decorate)
return;
if (!m_pWindow->m_sSpecialRenderData.shadow)
return;
if (m_pWindow->m_sAdditionalConfigData.forceNoShadow)
return;
static auto* const PSHADOWS = &g_pConfigManager->getConfigValuePtr("decoration:drop_shadow")->intValue;
static auto* const PSHADOWSIZE = &g_pConfigManager->getConfigValuePtr("decoration:shadow_range")->intValue;
static auto* const PSHADOWIGNOREWINDOW = &g_pConfigManager->getConfigValuePtr("decoration:shadow_ignore_window")->intValue;
static auto* const PSHADOWSCALE = &g_pConfigManager->getConfigValuePtr("decoration:shadow_scale")->floatValue;
static auto* const PSHADOWOFFSET = &g_pConfigManager->getConfigValuePtr("decoration:shadow_offset")->vecValue;
if (*PSHADOWS != 1)
return; // disabled
const auto ROUNDING = m_pWindow->rounding() + m_pWindow->getRealBorderSize();
const auto PWORKSPACE = g_pCompositor->getWorkspaceByID(m_pWindow->m_iWorkspaceID);
const auto WORKSPACEOFFSET = PWORKSPACE && !m_pWindow->m_bPinned ? PWORKSPACE->m_vRenderOffset.vec() : Vector2D();
// draw the shadow
CBox fullBox = m_bLastWindowBoxWithDecos;
fullBox.translate(-pMonitor->vecPosition + WORKSPACEOFFSET);
fullBox.x -= *PSHADOWSIZE;
fullBox.y -= *PSHADOWSIZE;
fullBox.w += 2 * *PSHADOWSIZE;
fullBox.h += 2 * *PSHADOWSIZE;
const float SHADOWSCALE = std::clamp(*PSHADOWSCALE, 0.f, 1.f);
// scale the box in relation to the center of the box
fullBox.scaleFromCenter(SHADOWSCALE).translate(*PSHADOWOFFSET);
m_vLastWindowPos += WORKSPACEOFFSET;
m_seExtents = {{m_vLastWindowPos.x - fullBox.x - pMonitor->vecPosition.x + 2, m_vLastWindowPos.y - fullBox.y - pMonitor->vecPosition.y + 2},
{fullBox.x + fullBox.width + pMonitor->vecPosition.x - m_vLastWindowPos.x - m_vLastWindowSize.x + 2,
fullBox.y + fullBox.height + pMonitor->vecPosition.y - m_vLastWindowPos.y - m_vLastWindowSize.y + 2}};
fullBox.translate(offset);
if (fullBox.width < 1 || fullBox.height < 1)
return; // don't draw invisible shadows
g_pHyprOpenGL->scissor((CBox*)nullptr);
// we'll take the liberty of using this as it should not be used rn
CFramebuffer& alphaFB = g_pHyprOpenGL->m_RenderData.pCurrentMonData->mirrorFB;
CFramebuffer& alphaSwapFB = g_pHyprOpenGL->m_RenderData.pCurrentMonData->mirrorSwapFB;
auto* LASTFB = g_pHyprOpenGL->m_RenderData.currentFB;
fullBox.scale(pMonitor->scale).round();
if (*PSHADOWIGNOREWINDOW) {
CBox windowBox = m_bLastWindowBox;
CBox withDecos = m_bLastWindowBoxWithDecos;
// get window box
windowBox.translate(-pMonitor->vecPosition + WORKSPACEOFFSET);
withDecos.translate(-pMonitor->vecPosition + WORKSPACEOFFSET);
auto extentss = withDecos.extentsFrom(windowBox);
// add extents
windowBox.addExtents(extentss).scale(pMonitor->scale).round();
if (windowBox.width < 1 || windowBox.height < 1)
return; // prevent assert failed
CRegion saveDamage = g_pHyprOpenGL->m_RenderData.damage;
g_pHyprOpenGL->m_RenderData.damage = fullBox;
g_pHyprOpenGL->m_RenderData.damage.subtract(windowBox.copy().expand(-ROUNDING * pMonitor->scale)).intersect(saveDamage);
alphaFB.bind();
// build the matte
// 10-bit formats have dogshit alpha channels, so we have to use the matte to its fullest.
// first, clear region of interest with black (fully transparent)
g_pHyprOpenGL->renderRect(&fullBox, CColor(0, 0, 0, 1), 0);
// render white shadow with the alpha of the shadow color (otherwise we clear with alpha later and shit it to 2 bit)
g_pHyprOpenGL->renderRoundedShadow(&fullBox, ROUNDING * pMonitor->scale, *PSHADOWSIZE * pMonitor->scale, CColor(1, 1, 1, m_pWindow->m_cRealShadowColor.col().a), a);
// render black window box ("clip")
g_pHyprOpenGL->renderRect(&windowBox, CColor(0, 0, 0, 1.0), ROUNDING * pMonitor->scale);
alphaSwapFB.bind();
// alpha swap just has the shadow color. It will be the "texture" to render.
g_pHyprOpenGL->renderRect(&fullBox, m_pWindow->m_cRealShadowColor.col().stripA(), 0);
LASTFB->bind();
CBox monbox = {0, 0, pMonitor->vecTransformedSize.x, pMonitor->vecTransformedSize.y};
g_pHyprOpenGL->setMonitorTransformEnabled(false);
g_pHyprOpenGL->renderTextureMatte(alphaSwapFB.m_cTex, &monbox, alphaFB);
g_pHyprOpenGL->setMonitorTransformEnabled(true);
g_pHyprOpenGL->m_RenderData.damage = saveDamage;
} else {
g_pHyprOpenGL->renderRoundedShadow(&fullBox, ROUNDING * pMonitor->scale, *PSHADOWSIZE * pMonitor->scale, m_pWindow->m_cRealShadowColor.col(), a);
}
if (m_seExtents != m_seReportedExtents)
g_pDecorationPositioner->repositionDeco(this);
}
eDecorationLayer CHyprDropShadowDecoration::getDecorationLayer() {
return DECORATION_LAYER_BOTTOM;
}
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