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snaphelper: Account for render target scale when creating geometry

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This commit is contained in:
Arjen Hiemstra 2022-08-05 11:36:41 +02:00
parent 846f612fcc
commit 9e7a7afccc
1 changed files with 14 additions and 12 deletions
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26
src/effects/snaphelper/snaphelper.cpp
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@ -99,6 +99,8 @@ void SnapHelperEffect::paintScreen(int mask, const QRegion &region, ScreenPaintD
: 1.0;
const QList<EffectScreen *> screens = effects->screens();
const auto scale = effects->renderTargetScale();
// Display the guide
if (effects->isOpenGLCompositing()) {
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
@ -124,28 +126,28 @@ void SnapHelperEffect::paintScreen(int mask, const QRegion &region, ScreenPaintD
const int halfHeight = m_geometry.height() / 2;
// Center vertical line.
verts << rect.x() + rect.width() / 2 << rect.y();
verts << rect.x() + rect.width() / 2 << rect.y() + rect.height();
verts << (rect.x() + rect.width() / 2) * scale << rect.y() * scale;
verts << (rect.x() + rect.width() / 2) * scale << (rect.y() + rect.height()) * scale;
// Center horizontal line.
verts << rect.x() << rect.y() + rect.height() / 2;
verts << rect.x() + rect.width() << rect.y() + rect.height() / 2;
verts << rect.x() * scale << (rect.y() + rect.height() / 2) * scale;
verts << (rect.x() + rect.width()) * scale << (rect.y() + rect.height() / 2) * scale;
// Top edge of the window outline.
verts << midX - halfWidth - s_lineWidth / 2 << midY - halfHeight;
verts << midX + halfWidth + s_lineWidth / 2 << midY - halfHeight;
verts << (midX - halfWidth - s_lineWidth / 2) * scale << (midY - halfHeight) * scale;
verts << (midX + halfWidth + s_lineWidth / 2) * scale << (midY - halfHeight) * scale;
// Right edge of the window outline.
verts << midX + halfWidth << midY - halfHeight + s_lineWidth / 2;
verts << midX + halfWidth << midY + halfHeight - s_lineWidth / 2;
verts << (midX + halfWidth) * scale << (midY - halfHeight + s_lineWidth / 2) * scale;
verts << (midX + halfWidth) * scale << (midY + halfHeight - s_lineWidth / 2) * scale;
// Bottom edge of the window outline.
verts << midX + halfWidth + s_lineWidth / 2 << midY + halfHeight;
verts << midX - halfWidth - s_lineWidth / 2 << midY + halfHeight;
verts << (midX + halfWidth + s_lineWidth / 2) * scale << (midY + halfHeight) * scale;
verts << (midX - halfWidth - s_lineWidth / 2) * scale << (midY + halfHeight) * scale;
// Left edge of the window outline.
verts << midX - halfWidth << midY + halfHeight - s_lineWidth / 2;
verts << midX - halfWidth << midY - halfHeight + s_lineWidth / 2;
verts << (midX - halfWidth) * scale << (midY + halfHeight - s_lineWidth / 2) * scale;
verts << (midX - halfWidth) * scale << (midY - halfHeight + s_lineWidth / 2) * scale;
}
vbo->setData(verts.count() / 2, 2, verts.data(), nullptr);
vbo->render(GL_LINES);