WindowPaintData::WindowPaintData(const WindowPaintData &other)
: PaintData()
, quads(other.quads)
, shader(other.shader)
, d(new WindowPaintDataPrivate())
{
setXScale(other.xScale());
setYScale(other.yScale());
setZScale(other.zScale());
translate(other.translation());
setRotationOrigin(other.rotationOrigin());
setRotationAxis(other.rotationAxis());
setRotationAngle(other.rotationAngle());
setOpacity(other.opacity());
setDecorationOpacity(other.decorationOpacity());
setSaturation(other.saturation());
setBrightness(other.brightness());
}
WindowPaintData::WindowPaintData(const WindowPaintData &other)
: PaintData()
, quads(other.quads)
, shader(other.shader)
, d(new WindowPaintDataPrivate())
{
setXScale(other.xScale());
setYScale(other.yScale());
setZScale(other.zScale());
translate(other.translation());
setRotationOrigin(other.rotationOrigin());
setRotationAxis(other.rotationAxis());
setRotationAngle(other.rotationAngle());
setOpacity(other.opacity());
setSaturation(other.saturation());
setBrightness(other.brightness());
setScreen(other.screen());
setCrossFadeProgress(other.crossFadeProgress());
setProjectionMatrix(other.projectionMatrix());
setModelViewMatrix(other.modelViewMatrix());
d->screenProjectionMatrix = other.d->screenProjectionMatrix;
}
void LanczosFilter::performPaint(EffectWindowImpl* w, int mask, QRegion region, WindowPaintData& data)
{
if (effects->compositingType() == KWin::OpenGLCompositing && (data.xScale() < 0.9 || data.yScale() < 0.9) &&
KGlobalSettings::graphicEffectsLevel() & KGlobalSettings::SimpleAnimationEffects) {
if (!m_inited)
init();
const QRect screenRect = Workspace::self()->clientArea(ScreenArea, w->screen(), w->desktop());
// window geometry may not be bigger than screen geometry to fit into the FBO
if (m_shader && w->width() <= screenRect.width() && w->height() <= screenRect.height()) {
double left = 0;
double top = 0;
double right = w->width();
double bottom = w->height();
foreach (const WindowQuad & quad, data.quads) {
// we need this loop to include the decoration padding
left = qMin(left, quad.left());
top = qMin(top, quad.top());
right = qMax(right, quad.right());
bottom = qMax(bottom, quad.bottom());
}
double width = right - left;
double height = bottom - top;
if (width > screenRect.width() || height > screenRect.height()) {
// window with padding does not fit into the framebuffer
// so cut of the shadow
left = 0;
top = 0;
width = w->width();
height = w->height();
}
int tx = data.xTranslation() + w->x() + left * data.xScale();
int ty = data.yTranslation() + w->y() + top * data.yScale();
int tw = width * data.xScale();
int th = height * data.yScale();
const QRect textureRect(tx, ty, tw, th);
const bool hardwareClipping = !(QRegion(textureRect)-region).isEmpty();
int sw = width;
int sh = height;
GLTexture *cachedTexture = static_cast< GLTexture*>(w->data(LanczosCacheRole).value<void*>());
if (cachedTexture) {
if (cachedTexture->width() == tw && cachedTexture->height() == th) {
cachedTexture->bind();
if (hardwareClipping) {
glEnable(GL_SCISSOR_TEST);
}
if (ShaderManager::instance()->isValid()) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
const qreal rgb = data.brightness() * data.opacity();
const qreal a = data.opacity();
GLShader *shader = ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
shader->setUniform(GLShader::Offset, QVector2D(0, 0));
shader->setUniform(GLShader::ModulationConstant, QVector4D(rgb, rgb, rgb, a));
shader->setUniform(GLShader::Saturation, data.saturation());
shader->setUniform(GLShader::AlphaToOne, 0);
cachedTexture->render(region, textureRect, hardwareClipping);
ShaderManager::instance()->popShader();
glDisable(GL_BLEND);
} else {
prepareRenderStates(cachedTexture, data.opacity(), data.brightness(), data.saturation());
cachedTexture->render(region, textureRect, hardwareClipping);
restoreRenderStates(cachedTexture, data.opacity(), data.brightness(), data.saturation());
}
if (hardwareClipping) {
glDisable(GL_SCISSOR_TEST);
}
cachedTexture->unbind();
m_timer.start(5000, this);
return;
} else {
// offscreen texture not matching - delete
delete cachedTexture;
cachedTexture = 0;
w->setData(LanczosCacheRole, QVariant());
}
}
WindowPaintData thumbData = data;
thumbData.setXScale(1.0);
thumbData.setYScale(1.0);
thumbData.setXTranslation(-w->x() - left);
thumbData.setYTranslation(-w->y() - top);
thumbData.setBrightness(1.0);
thumbData.setOpacity(1.0);
thumbData.setSaturation(1.0);
// Bind the offscreen FBO and draw the window on it unscaled
updateOffscreenSurfaces();
GLRenderTarget::pushRenderTarget(m_offscreenTarget);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
w->sceneWindow()->performPaint(mask, infiniteRegion(), thumbData);
// Create a scratch texture and copy the rendered window into it
GLTexture tex(sw, sh);
tex.setFilter(GL_LINEAR);
tex.setWrapMode(GL_CLAMP_TO_EDGE);
tex.bind();
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, m_offscreenTex->height() - sh, sw, sh);
// Set up the shader for horizontal scaling
float dx = sw / float(tw);
int kernelSize;
m_shader->createKernel(dx, &kernelSize);
m_shader->createOffsets(kernelSize, sw, Qt::Horizontal);
m_shader->bind();
m_shader->setUniforms();
// Draw the window back into the FBO, this time scaled horizontally
glClear(GL_COLOR_BUFFER_BIT);
QVector<float> verts;
QVector<float> texCoords;
verts.reserve(12);
texCoords.reserve(12);
texCoords << 1.0 << 0.0; verts << tw << 0.0; // Top right
texCoords << 0.0 << 0.0; verts << 0.0 << 0.0; // Top left
texCoords << 0.0 << 1.0; verts << 0.0 << sh; // Bottom left
texCoords << 0.0 << 1.0; verts << 0.0 << sh; // Bottom left
texCoords << 1.0 << 1.0; verts << tw << sh; // Bottom right
texCoords << 1.0 << 0.0; verts << tw << 0.0; // Top right
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
vbo->reset();
vbo->setData(6, 2, verts.constData(), texCoords.constData());
vbo->render(GL_TRIANGLES);
// At this point we don't need the scratch texture anymore
tex.unbind();
tex.discard();
// create scratch texture for second rendering pass
GLTexture tex2(tw, sh);
tex2.setFilter(GL_LINEAR);
tex2.setWrapMode(GL_CLAMP_TO_EDGE);
tex2.bind();
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, m_offscreenTex->height() - sh, tw, sh);
// Set up the shader for vertical scaling
float dy = sh / float(th);
m_shader->createKernel(dy, &kernelSize);
m_shader->createOffsets(kernelSize, m_offscreenTex->height(), Qt::Vertical);
m_shader->setUniforms();
// Now draw the horizontally scaled window in the FBO at the right
// coordinates on the screen, while scaling it vertically and blending it.
glClear(GL_COLOR_BUFFER_BIT);
verts.clear();
verts << tw << 0.0; // Top right
verts << 0.0 << 0.0; // Top left
verts << 0.0 << th; // Bottom left
verts << 0.0 << th; // Bottom left
verts << tw << th; // Bottom right
verts << tw << 0.0; // Top right
vbo->setData(6, 2, verts.constData(), texCoords.constData());
vbo->render(GL_TRIANGLES);
tex2.unbind();
tex2.discard();
m_shader->unbind();
// create cache texture
GLTexture *cache = new GLTexture(tw, th);
cache->setFilter(GL_LINEAR);
cache->setWrapMode(GL_CLAMP_TO_EDGE);
cache->bind();
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, m_offscreenTex->height() - th, tw, th);
GLRenderTarget::popRenderTarget();
if (hardwareClipping) {
glEnable(GL_SCISSOR_TEST);
}
if (ShaderManager::instance()->isValid()) {
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
const qreal rgb = data.brightness() * data.opacity();
const qreal a = data.opacity();
GLShader *shader = ShaderManager::instance()->pushShader(ShaderManager::SimpleShader);
shader->setUniform(GLShader::Offset, QVector2D(0, 0));
shader->setUniform(GLShader::ModulationConstant, QVector4D(rgb, rgb, rgb, a));
shader->setUniform(GLShader::Saturation, data.saturation());
shader->setUniform(GLShader::AlphaToOne, 0);
cache->render(region, textureRect, hardwareClipping);
ShaderManager::instance()->popShader();
glDisable(GL_BLEND);
} else {
prepareRenderStates(cache, data.opacity(), data.brightness(), data.saturation());
cache->render(region, textureRect, hardwareClipping);
restoreRenderStates(cache, data.opacity(), data.brightness(), data.saturation());
}
if (hardwareClipping) {
glDisable(GL_SCISSOR_TEST);
}
cache->unbind();
w->setData(LanczosCacheRole, QVariant::fromValue(static_cast<void*>(cache)));
// Delete the offscreen surface after 5 seconds
m_timer.start(5000, this);
return;
}
} // if ( effects->compositingType() == KWin::OpenGLCompositing )
// paint the window
void SceneXrender::Window::performPaint(int mask, QRegion region, WindowPaintData data)
{
setTransformedShape(QRegion()); // maybe nothing will be painted
// check if there is something to paint
bool opaque = isOpaque() && qFuzzyCompare(data.opacity(), 1.0);
/* HACK: It seems this causes painting glitches, disable temporarily
if (( mask & PAINT_WINDOW_OPAQUE ) ^ ( mask & PAINT_WINDOW_TRANSLUCENT ))
{ // We are only painting either opaque OR translucent windows, not both
if ( mask & PAINT_WINDOW_OPAQUE && !opaque )
return; // Only painting opaque and window is translucent
if ( mask & PAINT_WINDOW_TRANSLUCENT && opaque )
return; // Only painting translucent and window is opaque
}*/
// Intersect the clip region with the rectangle the window occupies on the screen
if (!(mask & (PAINT_WINDOW_TRANSFORMED | PAINT_SCREEN_TRANSFORMED)))
region &= toplevel->visibleRect();
if (region.isEmpty())
return;
XRenderWindowPixmap *pixmap = windowPixmap<XRenderWindowPixmap>();
if (!pixmap || !pixmap->isValid()) {
return;
}
xcb_render_picture_t pic = pixmap->picture();
if (pic == XCB_RENDER_PICTURE_NONE) // The render format can be null for GL and/or Xv visuals
return;
toplevel->resetDamage();
// set picture filter
if (options->isXrenderSmoothScale()) { // only when forced, it's slow
if (mask & PAINT_WINDOW_TRANSFORMED)
filter = ImageFilterGood;
else if (mask & PAINT_SCREEN_TRANSFORMED)
filter = ImageFilterGood;
else
filter = ImageFilterFast;
} else
filter = ImageFilterFast;
// do required transformations
const QRect wr = mapToScreen(mask, data, QRect(0, 0, width(), height()));
QRect cr = QRect(toplevel->clientPos(), toplevel->clientSize()); // Client rect (in the window)
qreal xscale = 1;
qreal yscale = 1;
bool scaled = false;
Client *client = dynamic_cast<Client*>(toplevel);
Deleted *deleted = dynamic_cast<Deleted*>(toplevel);
const QRect decorationRect = toplevel->decorationRect();
if (((client && !client->noBorder()) || (deleted && !deleted->noBorder())) &&
true) {
// decorated client
transformed_shape = decorationRect;
if (toplevel->shape()) {
// "xeyes" + decoration
transformed_shape -= cr;
transformed_shape += shape();
}
} else {
transformed_shape = shape();
}
if (toplevel->hasShadow())
transformed_shape |= toplevel->shadow()->shadowRegion();
xcb_render_transform_t xform = {
DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
};
static const xcb_render_transform_t identity = {
DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
};
if (mask & PAINT_WINDOW_TRANSFORMED) {
xscale = data.xScale();
yscale = data.yScale();
}
if (mask & PAINT_SCREEN_TRANSFORMED) {
xscale *= screen_paint.xScale();
yscale *= screen_paint.yScale();
}
if (!qFuzzyCompare(xscale, 1.0) || !qFuzzyCompare(yscale, 1.0)) {
scaled = true;
xform.matrix11 = DOUBLE_TO_FIXED(1.0 / xscale);
xform.matrix22 = DOUBLE_TO_FIXED(1.0 / yscale);
// transform the shape for clipping in paintTransformedScreen()
QVector<QRect> rects = transformed_shape.rects();
for (int i = 0; i < rects.count(); ++i) {
QRect& r = rects[ i ];
r.setRect(qRound(r.x() * xscale), qRound(r.y() * yscale),
qRound(r.width() * xscale), qRound(r.height() * yscale));
}
transformed_shape.setRects(rects.constData(), rects.count());
}
transformed_shape.translate(mapToScreen(mask, data, QPoint(0, 0)));
PaintClipper pcreg(region); // clip by the region to paint
PaintClipper pc(transformed_shape); // clip by window's shape
const bool wantShadow = m_shadow && !m_shadow->shadowRegion().isEmpty();
// In order to obtain a pixel perfect rescaling
// we need to blit the window content togheter with
// decorations in a temporary pixmap and scale
// the temporary pixmap at the end.
// We should do this only if there is scaling and
// the window has border
// This solves a number of glitches and on top of this
// it optimizes painting quite a bit
const bool blitInTempPixmap = xRenderOffscreen() || (data.crossFadeProgress() < 1.0 && !opaque) ||
(scaled && (wantShadow || (client && !client->noBorder()) || (deleted && !deleted->noBorder())));
xcb_render_picture_t renderTarget = m_scene->bufferPicture();
if (blitInTempPixmap) {
if (scene_xRenderOffscreenTarget()) {
temp_visibleRect = toplevel->visibleRect().translated(-toplevel->pos());
renderTarget = *scene_xRenderOffscreenTarget();
} else {
prepareTempPixmap();
renderTarget = *s_tempPicture;
}
} else {
xcb_render_set_picture_transform(connection(), pic, xform);
if (filter == ImageFilterGood) {
setPictureFilter(pic, KWin::Scene::ImageFilterGood);
}
//BEGIN OF STUPID RADEON HACK
// This is needed to avoid hitting a fallback in the radeon driver.
// The Render specification states that sampling pixels outside the
// source picture results in alpha=0 pixels. This can be achieved by
// setting the border color to transparent black, but since the border
// color has the same format as the texture, it only works when the
// texture has an alpha channel. So the driver falls back to software
// when the repeat mode is RepeatNone, the picture has a non-identity
// transformation matrix, and doesn't have an alpha channel.
// Since we only scale the picture, we can work around this by setting
// the repeat mode to RepeatPad.
if (!window()->hasAlpha()) {
const uint32_t values[] = {XCB_RENDER_REPEAT_PAD};
xcb_render_change_picture(connection(), pic, XCB_RENDER_CP_REPEAT, values);
}
//END OF STUPID RADEON HACK
}
#define MAP_RECT_TO_TARGET(_RECT_) \
if (blitInTempPixmap) _RECT_.translate(-temp_visibleRect.topLeft()); else _RECT_ = mapToScreen(mask, data, _RECT_)
//BEGIN deco preparations
bool noBorder = true;
xcb_render_picture_t left = XCB_RENDER_PICTURE_NONE;
xcb_render_picture_t top = XCB_RENDER_PICTURE_NONE;
xcb_render_picture_t right = XCB_RENDER_PICTURE_NONE;
xcb_render_picture_t bottom = XCB_RENDER_PICTURE_NONE;
QRect dtr, dlr, drr, dbr;
const SceneXRenderDecorationRenderer *renderer = nullptr;
if (client) {
if (client && !client->noBorder()) {
if (client->isDecorated()) {
SceneXRenderDecorationRenderer *r = static_cast<SceneXRenderDecorationRenderer*>(client->decoratedClient()->renderer());
if (r) {
r->render();
renderer = r;
}
}
noBorder = client->noBorder();
client->layoutDecorationRects(dlr, dtr, drr, dbr);
}
}
if (deleted && !deleted->noBorder()) {
renderer = static_cast<const SceneXRenderDecorationRenderer*>(deleted->decorationRenderer());
noBorder = deleted->noBorder();
deleted->layoutDecorationRects(dlr, dtr, drr, dbr);
}
if (renderer) {
left = renderer->picture(SceneXRenderDecorationRenderer::DecorationPart::Left);
top = renderer->picture(SceneXRenderDecorationRenderer::DecorationPart::Top);
right = renderer->picture(SceneXRenderDecorationRenderer::DecorationPart::Right);
bottom = renderer->picture(SceneXRenderDecorationRenderer::DecorationPart::Bottom);
}
if (!noBorder) {
MAP_RECT_TO_TARGET(dtr);
MAP_RECT_TO_TARGET(dlr);
MAP_RECT_TO_TARGET(drr);
MAP_RECT_TO_TARGET(dbr);
}
//END deco preparations
//BEGIN shadow preparations
QRect stlr, str, strr, srr, sbrr, sbr, sblr, slr;
SceneXRenderShadow* m_xrenderShadow = static_cast<SceneXRenderShadow*>(m_shadow);
if (wantShadow) {
m_xrenderShadow->layoutShadowRects(str, strr, srr, sbrr, sbr, sblr, slr, stlr);
MAP_RECT_TO_TARGET(stlr);
MAP_RECT_TO_TARGET(str);
MAP_RECT_TO_TARGET(strr);
MAP_RECT_TO_TARGET(srr);
MAP_RECT_TO_TARGET(sbrr);
MAP_RECT_TO_TARGET(sbr);
MAP_RECT_TO_TARGET(sblr);
MAP_RECT_TO_TARGET(slr);
}
//BEGIN end preparations
//BEGIN client preparations
QRect dr = cr;
if (blitInTempPixmap) {
dr.translate(-temp_visibleRect.topLeft());
} else {
dr = mapToScreen(mask, data, dr); // Destination rect
if (scaled) {
cr.moveLeft(cr.x() * xscale);
cr.moveTop(cr.y() * yscale);
}
}
const int clientRenderOp = (opaque || blitInTempPixmap) ? XCB_RENDER_PICT_OP_SRC : XCB_RENDER_PICT_OP_OVER;
//END client preparations
#undef MAP_RECT_TO_TARGET
for (PaintClipper::Iterator iterator; !iterator.isDone(); iterator.next()) {
#define RENDER_SHADOW_TILE(_TILE_, _RECT_) \
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, m_xrenderShadow->picture(SceneXRenderShadow::ShadowElement##_TILE_), \
shadowAlpha, renderTarget, 0, 0, 0, 0, _RECT_.x(), _RECT_.y(), _RECT_.width(), _RECT_.height())
//shadow
if (wantShadow) {
xcb_render_picture_t shadowAlpha = XCB_RENDER_PICTURE_NONE;
if (!opaque) {
shadowAlpha = xRenderBlendPicture(data.opacity());
}
RENDER_SHADOW_TILE(TopLeft, stlr);
RENDER_SHADOW_TILE(Top, str);
RENDER_SHADOW_TILE(TopRight, strr);
RENDER_SHADOW_TILE(Left, slr);
RENDER_SHADOW_TILE(Right, srr);
RENDER_SHADOW_TILE(BottomLeft, sblr);
RENDER_SHADOW_TILE(Bottom, sbr);
RENDER_SHADOW_TILE(BottomRight, sbrr);
}
#undef RENDER_SHADOW_TILE
// Paint the window contents
if (!(client && client->isShade())) {
xcb_render_picture_t clientAlpha = XCB_RENDER_PICTURE_NONE;
if (!opaque) {
clientAlpha = xRenderBlendPicture(data.opacity());
}
xcb_render_composite(connection(), clientRenderOp, pic, clientAlpha, renderTarget,
cr.x(), cr.y(), 0, 0, dr.x(), dr.y(), dr.width(), dr.height());
if (data.crossFadeProgress() < 1.0 && data.crossFadeProgress() > 0.0) {
XRenderWindowPixmap *previous = previousWindowPixmap<XRenderWindowPixmap>();
if (previous && previous != pixmap) {
static XRenderPicture cFadeAlpha(XCB_RENDER_PICTURE_NONE);
static xcb_render_color_t cFadeColor = {0, 0, 0, 0};
cFadeColor.alpha = uint16_t((1.0 - data.crossFadeProgress()) * 0xffff);
if (cFadeAlpha == XCB_RENDER_PICTURE_NONE) {
cFadeAlpha = xRenderFill(cFadeColor);
} else {
xcb_rectangle_t rect = {0, 0, 1, 1};
xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_SRC, cFadeAlpha, cFadeColor , 1, &rect);
}
if (previous->size() != pixmap->size()) {
xcb_render_transform_t xform2 = {
DOUBLE_TO_FIXED(FIXED_TO_DOUBLE(xform.matrix11) * previous->size().width() / pixmap->size().width()), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(FIXED_TO_DOUBLE(xform.matrix22) * previous->size().height() / pixmap->size().height()), DOUBLE_TO_FIXED(0),
DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(0), DOUBLE_TO_FIXED(1)
};
xcb_render_set_picture_transform(connection(), previous->picture(), xform2);
}
xcb_render_composite(connection(), opaque ? XCB_RENDER_PICT_OP_OVER : XCB_RENDER_PICT_OP_ATOP,
previous->picture(), cFadeAlpha, renderTarget,
cr.x(), cr.y(), 0, 0, dr.x(), dr.y(), dr.width(), dr.height());
if (previous->size() != pixmap->size()) {
xcb_render_set_picture_transform(connection(), previous->picture(), identity);
}
}
}
if (!opaque)
transformed_shape = QRegion();
}
if (client || deleted) {
if (!noBorder) {
xcb_render_picture_t decorationAlpha = xRenderBlendPicture(data.opacity());
auto renderDeco = [decorationAlpha, renderTarget](xcb_render_picture_t deco, const QRect &rect) {
if (deco == XCB_RENDER_PICTURE_NONE) {
return;
}
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, deco, decorationAlpha, renderTarget,
0, 0, 0, 0, rect.x(), rect.y(), rect.width(), rect.height());
};
renderDeco(top, dtr);
renderDeco(left, dlr);
renderDeco(right, drr);
renderDeco(bottom, dbr);
}
}
if (data.brightness() != 1.0) {
// fake brightness change by overlaying black
const float alpha = (1 - data.brightness()) * data.opacity();
xcb_rectangle_t rect;
if (blitInTempPixmap) {
rect.x = -temp_visibleRect.left();
rect.y = -temp_visibleRect.top();
rect.width = width();
rect.height = height();
} else {
rect.x = wr.x();
rect.y = wr.y();
rect.width = wr.width();
rect.height = wr.height();
}
xcb_render_fill_rectangles(connection(), XCB_RENDER_PICT_OP_OVER, renderTarget,
preMultiply(data.brightness() < 1.0 ? QColor(0,0,0,255*alpha) : QColor(255,255,255,-alpha*255)),
1, &rect);
}
if (blitInTempPixmap) {
const QRect r = mapToScreen(mask, data, temp_visibleRect);
xcb_render_set_picture_transform(connection(), *s_tempPicture, xform);
setPictureFilter(*s_tempPicture, filter);
xcb_render_composite(connection(), XCB_RENDER_PICT_OP_OVER, *s_tempPicture,
XCB_RENDER_PICTURE_NONE, m_scene->bufferPicture(),
0, 0, 0, 0, r.x(), r.y(), r.width(), r.height());
xcb_render_set_picture_transform(connection(), *s_tempPicture, identity);
}
}
if (scaled && !blitInTempPixmap) {
xcb_render_set_picture_transform(connection(), pic, identity);
if (filter == ImageFilterGood)
setPictureFilter(pic, KWin::Scene::ImageFilterFast);
if (!window()->hasAlpha()) {
const uint32_t values[] = {XCB_RENDER_REPEAT_NONE};
xcb_render_change_picture(connection(), pic, XCB_RENDER_CP_REPEAT, values);
}
}
if (xRenderOffscreen())
scene_setXRenderOffscreenTarget(*s_tempPicture);
}
