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-rw-r--r--src/gui/kernel/qplatformgraphicsbufferhelper.h2
-rw-r--r--src/gui/painting/qplatformbackingstore.cpp439
-rw-r--r--src/gui/painting/qplatformbackingstore.h16
-rw-r--r--src/platformsupport/platformcompositor/platformcompositor.pro2
-rw-r--r--src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.cpp456
-rw-r--r--src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h87
-rw-r--r--src/plugins/platforms/android/android.pro2
-rw-r--r--src/plugins/platforms/android/qandroidplatformintegration.cpp10
-rw-r--r--src/plugins/platforms/cocoa/cocoa.pro2
-rw-r--r--src/plugins/platforms/cocoa/qcocoaintegration.mm14
-rw-r--r--src/plugins/platforms/ios/kernel.pro2
-rw-r--r--src/plugins/platforms/ios/qiosintegration.mm10
-rw-r--r--src/plugins/platforms/wasm/qwasmintegration.cpp2
-rw-r--r--src/plugins/platforms/wasm/wasm.pro2
-rw-r--r--src/plugins/platforms/windows/qwindowsgdiintegration.cpp10
-rw-r--r--src/plugins/platforms/windows/windows.pro2
-rw-r--r--src/plugins/platforms/winrt/qwinrtintegration.cpp9
-rw-r--r--src/plugins/platforms/winrt/winrt.pro2
-rw-r--r--src/plugins/platforms/xcb/qxcbintegration.cpp24
-rw-r--r--src/plugins/platforms/xcb/xcb_qpa_lib.pro3
20 files changed, 672 insertions, 424 deletions
diff --git a/src/gui/kernel/qplatformgraphicsbufferhelper.h b/src/gui/kernel/qplatformgraphicsbufferhelper.h
index bfe61713d4..36afd4877b 100644
--- a/src/gui/kernel/qplatformgraphicsbufferhelper.h
+++ b/src/gui/kernel/qplatformgraphicsbufferhelper.h
@@ -46,7 +46,7 @@
QT_BEGIN_NAMESPACE
namespace QPlatformGraphicsBufferHelper {
- bool lockAndBindToTexture(QPlatformGraphicsBuffer *graphicsBuffer, bool *swizzleRandB, bool *premultipliedB, const QRect &rect = QRect());
+ Q_GUI_EXPORT bool lockAndBindToTexture(QPlatformGraphicsBuffer *graphicsBuffer, bool *swizzleRandB, bool *premultipliedB, const QRect &rect = QRect());
bool bindSWToTexture(const QPlatformGraphicsBuffer *graphicsBuffer, bool *swizzleRandB = nullptr, bool *premultipliedB = nullptr, const QRect &rect = QRect());
}
diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp
index c092a7153f..e8ac494e04 100644
--- a/src/gui/painting/qplatformbackingstore.cpp
+++ b/src/gui/painting/qplatformbackingstore.cpp
@@ -40,43 +40,8 @@
#include "qplatformbackingstore.h"
#include <qwindow.h>
#include <qpixmap.h>
-#include <private/qwindow_p.h>
-
-#include <qopengl.h>
-#include <qopenglcontext.h>
-#include <QtGui/QMatrix4x4>
-#include <QtGui/QOpenGLShaderProgram>
-#include <QtGui/QOpenGLContext>
-#include <QtGui/QOpenGLFunctions>
-#ifndef QT_NO_OPENGL
-#include <QtGui/qopengltextureblitter.h>
-#include <QtGui/qoffscreensurface.h>
-#endif
-#include <qpa/qplatformgraphicsbuffer.h>
-#include <qpa/qplatformgraphicsbufferhelper.h>
-#ifndef GL_TEXTURE_BASE_LEVEL
-#define GL_TEXTURE_BASE_LEVEL 0x813C
-#endif
-#ifndef GL_TEXTURE_MAX_LEVEL
-#define GL_TEXTURE_MAX_LEVEL 0x813D
-#endif
-#ifndef GL_UNPACK_ROW_LENGTH
-#define GL_UNPACK_ROW_LENGTH 0x0CF2
-#endif
-#ifndef GL_RGB10_A2
-#define GL_RGB10_A2 0x8059
-#endif
-#ifndef GL_UNSIGNED_INT_2_10_10_10_REV
-#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
-#endif
-
-#ifndef GL_FRAMEBUFFER_SRGB
-#define GL_FRAMEBUFFER_SRGB 0x8DB9
-#endif
-#ifndef GL_FRAMEBUFFER_SRGB_CAPABLE
-#define GL_FRAMEBUFFER_SRGB_CAPABLE 0x8DBA
-#endif
+#include <QtCore/private/qobject_p.h>
QT_BEGIN_NAMESPACE
@@ -88,38 +53,19 @@ public:
QPlatformBackingStorePrivate(QWindow *w)
: window(w)
, backingStore(nullptr)
-#ifndef QT_NO_OPENGL
- , textureId(0)
- , blitter(nullptr)
-#endif
{
}
~QPlatformBackingStorePrivate()
{
#ifndef QT_NO_OPENGL
- if (context) {
- QOffscreenSurface offscreenSurface;
- offscreenSurface.setFormat(context->format());
- offscreenSurface.create();
- context->makeCurrent(&offscreenSurface);
- if (textureId)
- context->functions()->glDeleteTextures(1, &textureId);
- if (blitter)
- blitter->destroy();
- }
- delete blitter;
+ delete openGLSupport;
#endif
}
QWindow *window;
QBackingStore *backingStore;
#ifndef QT_NO_OPENGL
- QScopedPointer<QOpenGLContext> context;
- mutable GLuint textureId;
- mutable QSize textureSize;
- mutable bool needsSwizzle;
- mutable bool premultiplied;
- QOpenGLTextureBlitter *blitter;
+ QPlatformBackingStoreOpenGLSupportBase *openGLSupport = nullptr;
#endif
};
@@ -240,83 +186,20 @@ void QPlatformTextureList::clear()
*/
#ifndef QT_NO_OPENGL
-
-static inline QRect deviceRect(const QRect &rect, QWindow *window)
-{
- QRect deviceRect(rect.topLeft() * window->devicePixelRatio(),
- rect.size() * window->devicePixelRatio());
- return deviceRect;
-}
-
-static inline QPoint deviceOffset(const QPoint &pt, QWindow *window)
-{
- return pt * window->devicePixelRatio();
-}
-
-static QRegion deviceRegion(const QRegion &region, QWindow *window, const QPoint &offset)
-{
- if (offset.isNull() && window->devicePixelRatio() <= 1)
- return region;
-
- QVector<QRect> rects;
- rects.reserve(region.rectCount());
- for (const QRect &rect : region)
- rects.append(deviceRect(rect.translated(offset), window));
-
- QRegion deviceRegion;
- deviceRegion.setRects(rects.constData(), rects.count());
- return deviceRegion;
-}
-
-static inline QRect toBottomLeftRect(const QRect &topLeftRect, int windowHeight)
-{
- return QRect(topLeftRect.x(), windowHeight - topLeftRect.bottomRight().y() - 1,
- topLeftRect.width(), topLeftRect.height());
-}
-
-static void blitTextureForWidget(const QPlatformTextureList *textures, int idx, QWindow *window, const QRect &deviceWindowRect,
- QOpenGLTextureBlitter *blitter, const QPoint &offset, bool canUseSrgb)
-{
- const QRect clipRect = textures->clipRect(idx);
- if (clipRect.isEmpty())
- return;
-
- QRect rectInWindow = textures->geometry(idx);
- // relative to the TLW, not necessarily our window (if the flush is for a native child widget), have to adjust
- rectInWindow.translate(-offset);
-
- const QRect clippedRectInWindow = rectInWindow & clipRect.translated(rectInWindow.topLeft());
- const QRect srcRect = toBottomLeftRect(clipRect, rectInWindow.height());
-
- const QMatrix4x4 target = QOpenGLTextureBlitter::targetTransform(deviceRect(clippedRectInWindow, window),
- deviceWindowRect);
-
- const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(deviceRect(srcRect, window),
- deviceRect(rectInWindow, window).size(),
- QOpenGLTextureBlitter::OriginBottomLeft);
-
- QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();
- const bool srgb = textures->flags(idx).testFlag(QPlatformTextureList::TextureIsSrgb);
- if (srgb && canUseSrgb)
- funcs->glEnable(GL_FRAMEBUFFER_SRGB);
-
- blitter->blit(textures->textureId(idx), target, source);
-
- if (srgb && canUseSrgb)
- funcs->glDisable(GL_FRAMEBUFFER_SRGB);
-}
-
/*!
Flushes the given \a region from the specified \a window onto the
screen, and composes it with the specified \a textures.
- The default implementation retrieves the contents using toTexture()
+ If OpenGLSupport has been enabled using \c setOpenGLSupport,
+ the default implementation retrieves the contents using toTexture()
and composes using OpenGL. May be reimplemented in subclasses if there
is a more efficient native way to do it.
\note \a region is relative to the window which may not be top-level in case
\a window corresponds to a native child widget. \a offset is the position of
the native child relative to the top-level window.
+
+ \sa setOpenGLSupport()
*/
void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion &region,
@@ -324,162 +207,13 @@ void QPlatformBackingStore::composeAndFlush(QWindow *window, const QRegion &regi
QPlatformTextureList *textures,
bool translucentBackground)
{
- if (!qt_window_private(window)->receivedExpose)
- return;
-
- if (!d_ptr->context) {
- d_ptr->context.reset(new QOpenGLContext);
- d_ptr->context->setFormat(d_ptr->window->requestedFormat());
- d_ptr->context->setScreen(d_ptr->window->screen());
- d_ptr->context->setShareContext(qt_window_private(d_ptr->window)->shareContext());
- if (!d_ptr->context->create()) {
- qCWarning(lcQpaBackingStore, "composeAndFlush: QOpenGLContext creation failed");
- return;
- }
- }
-
- bool current = d_ptr->context->makeCurrent(window);
-
- if (!current && !d_ptr->context->isValid()) {
- delete d_ptr->blitter;
- d_ptr->blitter = nullptr;
- d_ptr->textureId = 0;
- current = d_ptr->context->create() && d_ptr->context->makeCurrent(window);
- }
-
- if (!current) {
- qCWarning(lcQpaBackingStore, "composeAndFlush: makeCurrent() failed");
- return;
- }
-
- qCDebug(lcQpaBackingStore) << "Composing and flushing" << region << "of" << window
- << "at offset" << offset << "with" << textures->count() << "texture(s) in" << textures;
-
- QWindowPrivate::get(window)->lastComposeTime.start();
-
- QOpenGLFunctions *funcs = d_ptr->context->functions();
- funcs->glViewport(0, 0, qRound(window->width() * window->devicePixelRatio()), qRound(window->height() * window->devicePixelRatio()));
- funcs->glClearColor(0, 0, 0, translucentBackground ? 0 : 1);
- funcs->glClear(GL_COLOR_BUFFER_BIT);
-
- if (!d_ptr->blitter) {
- d_ptr->blitter = new QOpenGLTextureBlitter;
- d_ptr->blitter->create();
- }
-
- d_ptr->blitter->bind();
-
- const QRect deviceWindowRect = deviceRect(QRect(QPoint(), window->size()), window);
- const QPoint deviceWindowOffset = deviceOffset(offset, window);
-
- bool canUseSrgb = false;
- // If there are any sRGB textures in the list, check if the destination
- // framebuffer is sRGB capable.
- for (int i = 0; i < textures->count(); ++i) {
- if (textures->flags(i).testFlag(QPlatformTextureList::TextureIsSrgb)) {
- GLint cap = 0;
- funcs->glGetIntegerv(GL_FRAMEBUFFER_SRGB_CAPABLE, &cap);
- if (cap)
- canUseSrgb = true;
- break;
- }
- }
-
- // Textures for renderToTexture widgets.
- for (int i = 0; i < textures->count(); ++i) {
- if (!textures->flags(i).testFlag(QPlatformTextureList::StacksOnTop))
- blitTextureForWidget(textures, i, window, deviceWindowRect, d_ptr->blitter, offset, canUseSrgb);
- }
-
- // Backingstore texture with the normal widgets.
- GLuint textureId = 0;
- QOpenGLTextureBlitter::Origin origin = QOpenGLTextureBlitter::OriginTopLeft;
- if (QPlatformGraphicsBuffer *graphicsBuffer = this->graphicsBuffer()) {
- if (graphicsBuffer->size() != d_ptr->textureSize) {
- if (d_ptr->textureId)
- funcs->glDeleteTextures(1, &d_ptr->textureId);
- funcs->glGenTextures(1, &d_ptr->textureId);
- funcs->glBindTexture(GL_TEXTURE_2D, d_ptr->textureId);
- QOpenGLContext *ctx = QOpenGLContext::currentContext();
- if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
- funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
- funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
- }
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
- if (QPlatformGraphicsBufferHelper::lockAndBindToTexture(graphicsBuffer, &d_ptr->needsSwizzle, &d_ptr->premultiplied)) {
- d_ptr->textureSize = graphicsBuffer->size();
- } else {
- d_ptr->textureSize = QSize(0,0);
- }
-
- graphicsBuffer->unlock();
- } else if (!region.isEmpty()){
- funcs->glBindTexture(GL_TEXTURE_2D, d_ptr->textureId);
- QPlatformGraphicsBufferHelper::lockAndBindToTexture(graphicsBuffer, &d_ptr->needsSwizzle, &d_ptr->premultiplied);
- graphicsBuffer->unlock();
- }
-
- if (graphicsBuffer->origin() == QPlatformGraphicsBuffer::OriginBottomLeft)
- origin = QOpenGLTextureBlitter::OriginBottomLeft;
- textureId = d_ptr->textureId;
- } else {
- TextureFlags flags;
- textureId = toTexture(deviceRegion(region, window, offset), &d_ptr->textureSize, &flags);
- d_ptr->needsSwizzle = (flags & TextureSwizzle) != 0;
- d_ptr->premultiplied = (flags & TexturePremultiplied) != 0;
- if (flags & TextureFlip)
- origin = QOpenGLTextureBlitter::OriginBottomLeft;
- }
-
- funcs->glEnable(GL_BLEND);
- if (d_ptr->premultiplied)
- funcs->glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
+ if (auto *c = d_ptr->openGLSupport)
+ c->composeAndFlush(window, region, offset, textures, translucentBackground);
else
- funcs->glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
-
- if (textureId) {
- if (d_ptr->needsSwizzle)
- d_ptr->blitter->setRedBlueSwizzle(true);
- // The backingstore is for the entire tlw.
- // In case of native children offset tells the position relative to the tlw.
- const QRect srcRect = toBottomLeftRect(deviceWindowRect.translated(deviceWindowOffset), d_ptr->textureSize.height());
- const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(srcRect,
- d_ptr->textureSize,
- origin);
- d_ptr->blitter->blit(textureId, QMatrix4x4(), source);
- if (d_ptr->needsSwizzle)
- d_ptr->blitter->setRedBlueSwizzle(false);
- }
-
- // Textures for renderToTexture widgets that have WA_AlwaysStackOnTop set.
- bool blendIsPremultiplied = d_ptr->premultiplied;
- for (int i = 0; i < textures->count(); ++i) {
- const QPlatformTextureList::Flags flags = textures->flags(i);
- if (flags.testFlag(QPlatformTextureList::NeedsPremultipliedAlphaBlending)) {
- if (!blendIsPremultiplied) {
- funcs->glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
- blendIsPremultiplied = true;
- }
- } else {
- if (blendIsPremultiplied) {
- funcs->glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
- blendIsPremultiplied = false;
- }
- }
- if (flags.testFlag(QPlatformTextureList::StacksOnTop))
- blitTextureForWidget(textures, i, window, deviceWindowRect, d_ptr->blitter, offset, canUseSrgb);
- }
-
- funcs->glDisable(GL_BLEND);
- d_ptr->blitter->release();
-
- d_ptr->context->swapBuffers(window);
+ qWarning() << Q_FUNC_INFO << "no opengl support set";
}
#endif
+
/*!
Implemented in subclasses to return the content of the backingstore as a QImage.
@@ -504,7 +238,8 @@ QImage QPlatformBackingStore::toImage() const
The ownership of the texture is not transferred. The caller must not store
the return value between calls, but instead call this function before each use.
- The default implementation returns a cached texture if \a dirtyRegion is empty and
+ If OpenGLSupport has been enabled using \c setOpenGLSupport,
+ the default implementation returns a cached texture if \a dirtyRegion is empty and
\a textureSize matches the backingstore size, otherwise it retrieves the content using
toImage() and performs a texture upload. This works only if the value of \a textureSize
is preserved between the calls to this function.
@@ -520,141 +255,17 @@ QImage QPlatformBackingStore::toImage() const
flags will be set to include \c TextureFlip.
\note \a dirtyRegion is relative to the backingstore so no adjustment is needed.
+
+ \sa setOpenGLSupport()
*/
GLuint QPlatformBackingStore::toTexture(const QRegion &dirtyRegion, QSize *textureSize, TextureFlags *flags) const
{
- Q_ASSERT(textureSize);
- Q_ASSERT(flags);
-
- QImage image = toImage();
- QSize imageSize = image.size();
-
- QOpenGLContext *ctx = QOpenGLContext::currentContext();
- GLenum internalFormat = GL_RGBA;
- GLuint pixelType = GL_UNSIGNED_BYTE;
-
- bool needsConversion = false;
- *flags = { };
- switch (image.format()) {
- case QImage::Format_ARGB32_Premultiplied:
- *flags |= TexturePremultiplied;
- Q_FALLTHROUGH();
- case QImage::Format_RGB32:
- case QImage::Format_ARGB32:
- *flags |= TextureSwizzle;
- break;
- case QImage::Format_RGBA8888_Premultiplied:
- *flags |= TexturePremultiplied;
- Q_FALLTHROUGH();
- case QImage::Format_RGBX8888:
- case QImage::Format_RGBA8888:
- break;
- case QImage::Format_BGR30:
- case QImage::Format_A2BGR30_Premultiplied:
- if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
- pixelType = GL_UNSIGNED_INT_2_10_10_10_REV;
- internalFormat = GL_RGB10_A2;
- *flags |= TexturePremultiplied;
- } else {
- needsConversion = true;
- }
- break;
- case QImage::Format_RGB30:
- case QImage::Format_A2RGB30_Premultiplied:
- if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
- pixelType = GL_UNSIGNED_INT_2_10_10_10_REV;
- internalFormat = GL_RGB10_A2;
- *flags |= TextureSwizzle | TexturePremultiplied;
- } else {
- needsConversion = true;
- }
- break;
- default:
- needsConversion = true;
- break;
- }
- if (imageSize.isEmpty()) {
- *textureSize = imageSize;
+ if (auto *c = d_ptr->openGLSupport)
+ return c->toTexture(dirtyRegion, textureSize, flags);
+ else {
+ qWarning() << Q_FUNC_INFO << "no opengl support set";
return 0;
}
-
- // Must rely on the input only, not d_ptr.
- // With the default composeAndFlush() textureSize is &d_ptr->textureSize.
- bool resized = *textureSize != imageSize;
- if (dirtyRegion.isEmpty() && !resized)
- return d_ptr->textureId;
-
- *textureSize = imageSize;
-
- if (needsConversion)
- image = image.convertToFormat(QImage::Format_RGBA8888);
-
- // The image provided by the backingstore may have a stride larger than width * 4, for
- // instance on platforms that manually implement client-side decorations.
- static const int bytesPerPixel = 4;
- const int strideInPixels = image.bytesPerLine() / bytesPerPixel;
- const bool hasUnpackRowLength = !ctx->isOpenGLES() || ctx->format().majorVersion() >= 3;
-
- QOpenGLFunctions *funcs = ctx->functions();
-
- if (hasUnpackRowLength) {
- funcs->glPixelStorei(GL_UNPACK_ROW_LENGTH, strideInPixels);
- } else if (strideInPixels != image.width()) {
- // No UNPACK_ROW_LENGTH on ES 2.0 and yet we would need it. This case is typically
- // hit with QtWayland which is rarely used in combination with a ES2.0-only GL
- // implementation. Therefore, accept the performance hit and do a copy.
- image = image.copy();
- }
-
- if (resized) {
- if (d_ptr->textureId)
- funcs->glDeleteTextures(1, &d_ptr->textureId);
- funcs->glGenTextures(1, &d_ptr->textureId);
- funcs->glBindTexture(GL_TEXTURE_2D, d_ptr->textureId);
- if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
- funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
- funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
- }
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
- funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
-
- funcs->glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, imageSize.width(), imageSize.height(), 0, GL_RGBA, pixelType,
- const_cast<uchar*>(image.constBits()));
- } else {
- funcs->glBindTexture(GL_TEXTURE_2D, d_ptr->textureId);
- QRect imageRect = image.rect();
- QRect rect = dirtyRegion.boundingRect() & imageRect;
-
- if (hasUnpackRowLength) {
- funcs->glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x(), rect.y(), rect.width(), rect.height(), GL_RGBA, pixelType,
- image.constScanLine(rect.y()) + rect.x() * bytesPerPixel);
- } else {
- // if the rect is wide enough it's cheaper to just
- // extend it instead of doing an image copy
- if (rect.width() >= imageRect.width() / 2) {
- rect.setX(0);
- rect.setWidth(imageRect.width());
- }
-
- // if the sub-rect is full-width we can pass the image data directly to
- // OpenGL instead of copying, since there's no gap between scanlines
-
- if (rect.width() == imageRect.width()) {
- funcs->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, rect.y(), rect.width(), rect.height(), GL_RGBA, pixelType,
- image.constScanLine(rect.y()));
- } else {
- funcs->glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x(), rect.y(), rect.width(), rect.height(), GL_RGBA, pixelType,
- image.copy(rect).constBits());
- }
- }
- }
-
- if (hasUnpackRowLength)
- funcs->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
-
- return d_ptr->textureId;
}
#endif // QT_NO_OPENGL
@@ -706,6 +317,18 @@ QBackingStore *QPlatformBackingStore::backingStore() const
return d_ptr->backingStore;
}
+#ifndef QT_NO_OPENGL
+/*!
+ Injects an OpenGL implementation helper. Platform integrations need to
+ call this if they intend to use the default OpenGL implementations of
+ composeAndFlush or toTexture.
+*/
+void QPlatformBackingStore::setOpenGLSupport(QPlatformBackingStoreOpenGLSupportBase *openGLSupport)
+{
+ d_ptr->openGLSupport = openGLSupport;
+}
+#endif // QT_NO_OPENGL
+
/*!
This function is called before painting onto the surface begins,
with the \a region in which the painting will occur.
diff --git a/src/gui/painting/qplatformbackingstore.h b/src/gui/painting/qplatformbackingstore.h
index 7aa054f1e2..2a3d7d20b5 100644
--- a/src/gui/painting/qplatformbackingstore.h
+++ b/src/gui/painting/qplatformbackingstore.h
@@ -67,11 +67,10 @@ class QRect;
class QPoint;
class QImage;
class QPlatformBackingStorePrivate;
-class QPlatformWindow;
class QPlatformTextureList;
class QPlatformTextureListPrivate;
-class QOpenGLContext;
class QPlatformGraphicsBuffer;
+class QPlatformBackingStoreOpenGLSupportBase;
#ifndef QT_NO_OPENGL
class Q_GUI_EXPORT QPlatformTextureList : public QObject
@@ -118,6 +117,8 @@ public:
QWindow *window() const;
QBackingStore *backingStore() const;
+ void setOpenGLSupport(QPlatformBackingStoreOpenGLSupportBase *openGLSupport);
+
virtual QPaintDevice *paintDevice() = 0;
virtual void flush(QWindow *window, const QRegion &region, const QPoint &offset) = 0;
@@ -154,6 +155,17 @@ private:
};
#ifndef QT_NO_OPENGL
+class Q_GUI_EXPORT QPlatformBackingStoreOpenGLSupportBase // pure interface
+{
+public:
+ virtual void composeAndFlush(QWindow *window, const QRegion &region, const QPoint &offset,
+ QPlatformTextureList *textures, bool translucentBackground) = 0;
+ virtual GLuint toTexture(const QRegion &dirtyRegion, QSize *textureSize, QPlatformBackingStore::TextureFlags *flags) const = 0;
+ virtual ~QPlatformBackingStoreOpenGLSupportBase() {}
+};
+#endif // QT_NO_OPENGL
+
+#ifndef QT_NO_OPENGL
Q_DECLARE_OPERATORS_FOR_FLAGS(QPlatformBackingStore::TextureFlags)
#endif
diff --git a/src/platformsupport/platformcompositor/platformcompositor.pro b/src/platformsupport/platformcompositor/platformcompositor.pro
index 81c31571d0..c257d3e42c 100644
--- a/src/platformsupport/platformcompositor/platformcompositor.pro
+++ b/src/platformsupport/platformcompositor/platformcompositor.pro
@@ -7,10 +7,12 @@ CONFIG += static internal_module
DEFINES += QT_NO_CAST_FROM_ASCII
SOURCES += \
+ qplatformbackingstoreopenglsupport.cpp \
qopenglcompositor.cpp \
qopenglcompositorbackingstore.cpp
HEADERS += \
+ qplatformbackingstoreopenglsupport.h \
qopenglcompositor_p.h \
qopenglcompositorbackingstore_p.h
diff --git a/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.cpp b/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.cpp
new file mode 100644
index 0000000000..bcd2b90a87
--- /dev/null
+++ b/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.cpp
@@ -0,0 +1,456 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QT_NO_OPENGL
+
+#include "qplatformbackingstoreopenglsupport.h"
+
+#include <QtGui/private/qwindow_p.h>
+
+#include <qpa/qplatformgraphicsbuffer.h>
+#include <qpa/qplatformgraphicsbufferhelper.h>
+
+#include <QtGui/qopengl.h>
+#include <QtGui/QOpenGLFunctions>
+#include <QtGui/QOpenGLContext>
+#include <QtGui/QOpenGLTextureBlitter>
+
+#include <QtGui/QOffscreenSurface>
+
+#ifndef GL_TEXTURE_BASE_LEVEL
+#define GL_TEXTURE_BASE_LEVEL 0x813C
+#endif
+#ifndef GL_TEXTURE_MAX_LEVEL
+#define GL_TEXTURE_MAX_LEVEL 0x813D
+#endif
+#ifndef GL_UNPACK_ROW_LENGTH
+#define GL_UNPACK_ROW_LENGTH 0x0CF2
+#endif
+#ifndef GL_RGB10_A2
+#define GL_RGB10_A2 0x8059
+#endif
+#ifndef GL_UNSIGNED_INT_2_10_10_10_REV
+#define GL_UNSIGNED_INT_2_10_10_10_REV 0x8368
+#endif
+
+#ifndef GL_FRAMEBUFFER_SRGB
+#define GL_FRAMEBUFFER_SRGB 0x8DB9
+#endif
+#ifndef GL_FRAMEBUFFER_SRGB_CAPABLE
+#define GL_FRAMEBUFFER_SRGB_CAPABLE 0x8DBA
+#endif
+
+QT_BEGIN_NAMESPACE
+
+static inline QRect deviceRect(const QRect &rect, QWindow *window)
+{
+ QRect deviceRect(rect.topLeft() * window->devicePixelRatio(),
+ rect.size() * window->devicePixelRatio());
+ return deviceRect;
+}
+
+static inline QPoint deviceOffset(const QPoint &pt, QWindow *window)
+{
+ return pt * window->devicePixelRatio();
+}
+
+static QRegion deviceRegion(const QRegion &region, QWindow *window, const QPoint &offset)
+{
+ if (offset.isNull() && window->devicePixelRatio() <= 1)
+ return region;
+
+ QVector<QRect> rects;
+ rects.reserve(region.rectCount());
+ for (const QRect &rect : region)
+ rects.append(deviceRect(rect.translated(offset), window));
+
+ QRegion deviceRegion;
+ deviceRegion.setRects(rects.constData(), rects.count());
+ return deviceRegion;
+}
+
+static inline QRect toBottomLeftRect(const QRect &topLeftRect, int windowHeight)
+{
+ return QRect(topLeftRect.x(), windowHeight - topLeftRect.bottomRight().y() - 1,
+ topLeftRect.width(), topLeftRect.height());
+}
+
+static void blitTextureForWidget(const QPlatformTextureList *textures, int idx, QWindow *window, const QRect &deviceWindowRect,
+ QOpenGLTextureBlitter *blitter, const QPoint &offset, bool canUseSrgb)
+{
+ const QRect clipRect = textures->clipRect(idx);
+ if (clipRect.isEmpty())
+ return;
+
+ QRect rectInWindow = textures->geometry(idx);
+ // relative to the TLW, not necessarily our window (if the flush is for a native child widget), have to adjust
+ rectInWindow.translate(-offset);
+
+ const QRect clippedRectInWindow = rectInWindow & clipRect.translated(rectInWindow.topLeft());
+ const QRect srcRect = toBottomLeftRect(clipRect, rectInWindow.height());
+
+ const QMatrix4x4 target = QOpenGLTextureBlitter::targetTransform(deviceRect(clippedRectInWindow, window),
+ deviceWindowRect);
+
+ const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(deviceRect(srcRect, window),
+ deviceRect(rectInWindow, window).size(),
+ QOpenGLTextureBlitter::OriginBottomLeft);
+
+ QOpenGLFunctions *funcs = QOpenGLContext::currentContext()->functions();
+ const bool srgb = textures->flags(idx).testFlag(QPlatformTextureList::TextureIsSrgb);
+ if (srgb && canUseSrgb)
+ funcs->glEnable(GL_FRAMEBUFFER_SRGB);
+
+ blitter->blit(textures->textureId(idx), target, source);
+
+ if (srgb && canUseSrgb)
+ funcs->glDisable(GL_FRAMEBUFFER_SRGB);
+}
+
+QPlatformBackingStoreOpenGLSupport::~QPlatformBackingStoreOpenGLSupport() {
+ if (context) {
+ QOffscreenSurface offscreenSurface;
+ offscreenSurface.setFormat(context->format());
+ offscreenSurface.create();
+ context->makeCurrent(&offscreenSurface);
+ if (textureId)
+ context->functions()->glDeleteTextures(1, &textureId);
+ if (blitter)
+ blitter->destroy();
+ }
+ delete blitter;
+}
+
+void QPlatformBackingStoreOpenGLSupport::composeAndFlush(QWindow *window, const QRegion &region, const QPoint &offset, QPlatformTextureList *textures, bool translucentBackground)
+{
+ if (!qt_window_private(window)->receivedExpose)
+ return;
+
+ if (!context) {
+ context.reset(new QOpenGLContext);
+ context->setFormat(window->requestedFormat());
+ context->setScreen(window->screen());
+ context->setShareContext(qt_window_private(window)->shareContext());
+ if (!context->create()) {
+ qCWarning(lcQpaBackingStore, "composeAndFlush: QOpenGLContext creation failed");
+ return;
+ }
+ }
+
+ bool current = context->makeCurrent(window);
+
+ if (!current && context->isValid()) {
+ delete blitter;
+ blitter = nullptr;
+ textureId = 0;
+ current = context->create() && context->makeCurrent(window);
+ }
+
+ if (!current) {
+ qCWarning(lcQpaBackingStore, "composeAndFlush: makeCurrent() failed");
+ return;
+ }
+
+ qCDebug(lcQpaBackingStore) << "Composing and flushing" << region << "of" << window
+ << "at offset" << offset << "with" << textures->count() << "texture(s) in" << textures;
+
+ QWindowPrivate::get(window)->lastComposeTime.start();
+
+ QOpenGLFunctions *funcs = context->functions();
+ funcs->glViewport(0, 0, qRound(window->width() * window->devicePixelRatio()), qRound(window->height() * window->devicePixelRatio()));
+ funcs->glClearColor(0, 0, 0, translucentBackground ? 0 : 1);
+ funcs->glClear(GL_COLOR_BUFFER_BIT);
+
+ if (!blitter) {
+ blitter = new QOpenGLTextureBlitter;
+ blitter->create();
+ }
+
+ blitter->bind();
+
+ const QRect deviceWindowRect = deviceRect(QRect(QPoint(), window->size()), window);
+ const QPoint deviceWindowOffset = deviceOffset(offset, window);
+
+ bool canUseSrgb = false;
+ // If there are any sRGB textures in the list, check if the destination
+ // framebuffer is sRGB capable.
+ for (int i = 0; i < textures->count(); ++i) {
+ if (textures->flags(i).testFlag(QPlatformTextureList::TextureIsSrgb)) {
+ GLint cap = 0;
+ funcs->glGetIntegerv(GL_FRAMEBUFFER_SRGB_CAPABLE, &cap);
+ if (cap)
+ canUseSrgb = true;
+ break;
+ }
+ }
+
+ // Textures for renderToTexture widgets.
+ for (int i = 0; i < textures->count(); ++i) {
+ if (!textures->flags(i).testFlag(QPlatformTextureList::StacksOnTop))
+ blitTextureForWidget(textures, i, window, deviceWindowRect, blitter, offset, canUseSrgb);
+ }
+
+ // Backingstore texture with the normal widgets.
+ GLuint textureId = 0;
+ QOpenGLTextureBlitter::Origin origin = QOpenGLTextureBlitter::OriginTopLeft;
+ if (QPlatformGraphicsBuffer *graphicsBuffer = backingStore->graphicsBuffer()) {
+ if (graphicsBuffer->size() != textureSize) {
+ if (this->textureId)
+ funcs->glDeleteTextures(1, &this->textureId);
+ funcs->glGenTextures(1, &this->textureId);
+ funcs->glBindTexture(GL_TEXTURE_2D, this->textureId);
+ QOpenGLContext *ctx = QOpenGLContext::currentContext();
+ if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
+ funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
+ funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+ }
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+ if (QPlatformGraphicsBufferHelper::lockAndBindToTexture(graphicsBuffer, &needsSwizzle, &premultiplied)) {
+ textureSize = graphicsBuffer->size();
+ } else {
+ textureSize = QSize(0,0);
+ }
+
+ graphicsBuffer->unlock();
+ } else if (!region.isEmpty()){
+ funcs->glBindTexture(GL_TEXTURE_2D, this->textureId);
+ QPlatformGraphicsBufferHelper::lockAndBindToTexture(graphicsBuffer, &needsSwizzle, &premultiplied);
+ graphicsBuffer->unlock();
+ }
+
+ if (graphicsBuffer->origin() == QPlatformGraphicsBuffer::OriginBottomLeft)
+ origin = QOpenGLTextureBlitter::OriginBottomLeft;
+ textureId = this->textureId;
+ } else {
+ QPlatformBackingStore::TextureFlags flags;
+ textureId = backingStore->toTexture(deviceRegion(region, window, offset), &textureSize, &flags);
+ needsSwizzle = (flags & QPlatformBackingStore::TextureSwizzle) != 0;
+ premultiplied = (flags & QPlatformBackingStore::TexturePremultiplied) != 0;
+ if (flags & QPlatformBackingStore::TextureFlip)
+ origin = QOpenGLTextureBlitter::OriginBottomLeft;
+ }
+
+ funcs->glEnable(GL_BLEND);
+ if (premultiplied)
+ funcs->glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
+ else
+ funcs->glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
+
+ if (textureId) {
+ if (needsSwizzle)
+ blitter->setRedBlueSwizzle(true);
+ // The backingstore is for the entire tlw.
+ // In case of native children offset tells the position relative to the tlw.
+ const QRect srcRect = toBottomLeftRect(deviceWindowRect.translated(deviceWindowOffset), textureSize.height());
+ const QMatrix3x3 source = QOpenGLTextureBlitter::sourceTransform(srcRect,
+ textureSize,
+ origin);
+ blitter->blit(textureId, QMatrix4x4(), source);
+ if (needsSwizzle)
+ blitter->setRedBlueSwizzle(false);
+ }
+
+ // Textures for renderToTexture widgets that have WA_AlwaysStackOnTop set.
+ bool blendIsPremultiplied = premultiplied;
+ for (int i = 0; i < textures->count(); ++i) {
+ const QPlatformTextureList::Flags flags = textures->flags(i);
+ if (flags.testFlag(QPlatformTextureList::NeedsPremultipliedAlphaBlending)) {
+ if (!blendIsPremultiplied) {
+ funcs->glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
+ blendIsPremultiplied = true;
+ }
+ } else {
+ if (blendIsPremultiplied) {
+ funcs->glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE);
+ blendIsPremultiplied = false;
+ }
+ }
+ if (flags.testFlag(QPlatformTextureList::StacksOnTop))
+ blitTextureForWidget(textures, i, window, deviceWindowRect, blitter, offset, canUseSrgb);
+ }
+
+ funcs->glDisable(GL_BLEND);
+ blitter->release();
+
+ context->swapBuffers(window);
+}
+
+GLuint QPlatformBackingStoreOpenGLSupport::toTexture(const QRegion &dirtyRegion, QSize *textureSize, QPlatformBackingStore::TextureFlags *flags) const
+{
+ Q_ASSERT(textureSize);
+ Q_ASSERT(flags);
+
+ QImage image = backingStore->toImage();
+ QSize imageSize = image.size();
+
+ QOpenGLContext *ctx = QOpenGLContext::currentContext();
+ GLenum internalFormat = GL_RGBA;
+ GLuint pixelType = GL_UNSIGNED_BYTE;
+
+ bool needsConversion = false;
+ *flags = { };
+ switch (image.format()) {
+ case QImage::Format_ARGB32_Premultiplied:
+ *flags |= QPlatformBackingStore::TexturePremultiplied;
+ Q_FALLTHROUGH();
+ case QImage::Format_RGB32:
+ case QImage::Format_ARGB32:
+ *flags |= QPlatformBackingStore::TextureSwizzle;
+ break;
+ case QImage::Format_RGBA8888_Premultiplied:
+ *flags |= QPlatformBackingStore::TexturePremultiplied;
+ Q_FALLTHROUGH();
+ case QImage::Format_RGBX8888:
+ case QImage::Format_RGBA8888:
+ break;
+ case QImage::Format_BGR30:
+ case QImage::Format_A2BGR30_Premultiplied:
+ if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
+ pixelType = GL_UNSIGNED_INT_2_10_10_10_REV;
+ internalFormat = GL_RGB10_A2;
+ *flags |= QPlatformBackingStore::TexturePremultiplied;
+ } else {
+ needsConversion = true;
+ }
+ break;
+ case QImage::Format_RGB30:
+ case QImage::Format_A2RGB30_Premultiplied:
+ if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
+ pixelType = GL_UNSIGNED_INT_2_10_10_10_REV;
+ internalFormat = GL_RGB10_A2;
+ *flags |= QPlatformBackingStore::TextureSwizzle | QPlatformBackingStore::TexturePremultiplied;
+ } else {
+ needsConversion = true;
+ }
+ break;
+ default:
+ needsConversion = true;
+ break;
+ }
+ if (imageSize.isEmpty()) {
+ *textureSize = imageSize;
+ return 0;
+ }
+
+ // Must rely on the input only, not d_ptr.
+ // With the default composeAndFlush() textureSize is &d_ptr->textureSize.
+ bool resized = *textureSize != imageSize;
+ if (dirtyRegion.isEmpty() && !resized)
+ return textureId;
+
+ *textureSize = imageSize;
+
+ if (needsConversion)
+ image = image.convertToFormat(QImage::Format_RGBA8888);
+
+ // The image provided by the backingstore may have a stride larger than width * 4, for
+ // instance on platforms that manually implement client-side decorations.
+ static const int bytesPerPixel = 4;
+ const int strideInPixels = image.bytesPerLine() / bytesPerPixel;
+ const bool hasUnpackRowLength = !ctx->isOpenGLES() || ctx->format().majorVersion() >= 3;
+
+ QOpenGLFunctions *funcs = ctx->functions();
+
+ if (hasUnpackRowLength) {
+ funcs->glPixelStorei(GL_UNPACK_ROW_LENGTH, strideInPixels);
+ } else if (strideInPixels != image.width()) {
+ // No UNPACK_ROW_LENGTH on ES 2.0 and yet we would need it. This case is typically
+ // hit with QtWayland which is rarely used in combination with a ES2.0-only GL
+ // implementation. Therefore, accept the performance hit and do a copy.
+ image = image.copy();
+ }
+
+ if (resized) {
+ if (textureId)
+ funcs->glDeleteTextures(1, &textureId);
+ funcs->glGenTextures(1, &textureId);
+ funcs->glBindTexture(GL_TEXTURE_2D, textureId);
+ if (!ctx->isOpenGLES() || ctx->format().majorVersion() >= 3) {
+ funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_BASE_LEVEL, 0);
+ funcs->glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, 0);
+ }
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+ funcs->glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+
+ funcs->glTexImage2D(GL_TEXTURE_2D, 0, internalFormat, imageSize.width(), imageSize.height(), 0, GL_RGBA, pixelType,
+ const_cast<uchar*>(image.constBits()));
+ } else {
+ funcs->glBindTexture(GL_TEXTURE_2D, textureId);
+ QRect imageRect = image.rect();
+ QRect rect = dirtyRegion.boundingRect() & imageRect;
+
+ if (hasUnpackRowLength) {
+ funcs->glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x(), rect.y(), rect.width(), rect.height(), GL_RGBA, pixelType,
+ image.constScanLine(rect.y()) + rect.x() * bytesPerPixel);
+ } else {
+ // if the rect is wide enough it's cheaper to just
+ // extend it instead of doing an image copy
+ if (rect.width() >= imageRect.width() / 2) {
+ rect.setX(0);
+ rect.setWidth(imageRect.width());
+ }
+
+ // if the sub-rect is full-width we can pass the image data directly to
+ // OpenGL instead of copying, since there's no gap between scanlines
+
+ if (rect.width() == imageRect.width()) {
+ funcs->glTexSubImage2D(GL_TEXTURE_2D, 0, 0, rect.y(), rect.width(), rect.height(), GL_RGBA, pixelType,
+ image.constScanLine(rect.y()));
+ } else {
+ funcs->glTexSubImage2D(GL_TEXTURE_2D, 0, rect.x(), rect.y(), rect.width(), rect.height(), GL_RGBA, pixelType,
+ image.copy(rect).constBits());
+ }
+ }
+ }
+
+ if (hasUnpackRowLength)
+ funcs->glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
+
+ return textureId;
+}
+
+#endif // QT_NO_OPENGL
+
+QT_END_NAMESPACE
diff --git a/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h b/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h
new file mode 100644
index 0000000000..5523b18f76
--- /dev/null
+++ b/src/platformsupport/platformcompositor/qplatformbackingstoreopenglsupport.h
@@ -0,0 +1,87 @@
+/****************************************************************************
+**
+** Copyright (C) 2020 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPLATFORMBACKINGSTOREOPENGLSUPPORT_H
+#define QPLATFORMBACKINGSTOREOPENGLSUPPORT_H
+
+//
+// W A R N I N G
+// -------------
+//
+// This file is part of the QPA API and is not meant to be used
+// in applications. Usage of this API may make your code
+// source and binary incompatible with future versions of Qt.
+//
+
+#ifndef QT_NO_OPENGL
+
+#include <QtGui/qtguiglobal.h>
+#include <qpa/qplatformbackingstore.h>
+
+#include <QtGui/QOpenGLContext>
+
+QT_BEGIN_NAMESPACE
+
+class QOpenGLTextureBlitter;
+class QOpenGLBackingStore;
+
+class QPlatformBackingStoreOpenGLSupport : public QPlatformBackingStoreOpenGLSupportBase
+{
+public:
+ explicit QPlatformBackingStoreOpenGLSupport(QPlatformBackingStore *backingStore) : backingStore(backingStore) {}
+ ~QPlatformBackingStoreOpenGLSupport() override;
+ void composeAndFlush(QWindow *window, const QRegion &region, const QPoint &offset,
+ QPlatformTextureList *textures, bool translucentBackground) override;
+ GLuint toTexture(const QRegion &dirtyRegion, QSize *textureSize, QPlatformBackingStore::TextureFlags *flags) const override;
+
+private:
+ QPlatformBackingStore *backingStore = nullptr;
+ QScopedPointer<QOpenGLContext> context;
+ mutable GLuint textureId = 0;
+ mutable QSize textureSize;
+ mutable bool needsSwizzle = false;
+ mutable bool premultiplied = false;
+ QOpenGLTextureBlitter *blitter = nullptr;
+};
+
+QT_END_NAMESPACE
+
+#endif // QT_NO_OPENGL
+
+#endif // QPLATFORMBACKINGSTOREOPENGLSUPPORT_H
diff --git a/src/plugins/platforms/android/android.pro b/src/plugins/platforms/android/android.pro
index 61cac51633..8ea78f7cba 100644
--- a/src/plugins/platforms/android/android.pro
+++ b/src/plugins/platforms/android/android.pro
@@ -9,6 +9,8 @@ QT += \
qtConfig(vulkan): QT += vulkan_support-private
+qtHaveModule(platformcompositor_support-private): QT += platformcompositor_support-private
+
OTHER_FILES += $$PWD/android.json
INCLUDEPATH += \
diff --git a/src/plugins/platforms/android/qandroidplatformintegration.cpp b/src/plugins/platforms/android/qandroidplatformintegration.cpp
index e0c437be27..ae584965e6 100644
--- a/src/plugins/platforms/android/qandroidplatformintegration.cpp
+++ b/src/plugins/platforms/android/qandroidplatformintegration.cpp
@@ -43,6 +43,9 @@
#include <QtGui/private/qguiapplication_p.h>
#include <QGuiApplication>
#include <QOpenGLContext>
+#if QT_CONFIG(opengl)
+#include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
+#endif
#include <QThread>
#include <QOffscreenSurface>
@@ -275,7 +278,12 @@ QPlatformBackingStore *QAndroidPlatformIntegration::createPlatformBackingStore(Q
{
if (!QtAndroid::activity())
return nullptr;
- return new QAndroidPlatformBackingStore(window);
+
+ auto *backingStore = new QAndroidPlatformBackingStore(window);
+#if QT_CONFIG(opengl)
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
+#endif // QT_CONFIG(opengl)
+ return backingStore;
}
QPlatformOpenGLContext *QAndroidPlatformIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
diff --git a/src/plugins/platforms/cocoa/cocoa.pro b/src/plugins/platforms/cocoa/cocoa.pro
index a919963cf4..953346c56e 100644
--- a/src/plugins/platforms/cocoa/cocoa.pro
+++ b/src/plugins/platforms/cocoa/cocoa.pro
@@ -101,6 +101,8 @@ QT += \
qtConfig(vulkan): QT += vulkan_support-private
+qtHaveModule(platformcompositor_support-private): QT += platformcompositor_support-private
+
CONFIG += no_app_extension_api_only
qtHaveModule(widgets) {
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index a77b97f538..b2698b05fe 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -68,6 +68,10 @@
#include <QtFontDatabaseSupport/private/qfontengine_coretext_p.h>
+#if QT_CONFIG(opengl)
+#include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
+#endif
+
#ifdef QT_WIDGETS_LIB
#include <QtWidgets/qtwidgetsglobal.h>
#if QT_CONFIG(filedialog)
@@ -324,10 +328,16 @@ QPlatformBackingStore *QCocoaIntegration::createPlatformBackingStore(QWindow *wi
return nullptr;
}
+ QPlatformBackingStore *backingStore = nullptr;
if (platformWindow->view().layer)
- return new QCALayerBackingStore(window);
+ backingStore = new QCALayerBackingStore(window);
else
- return new QNSWindowBackingStore(window);
+ backingStore = new QNSWindowBackingStore(window);
+
+#if QT_CONFIG(opengl)
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
+#endif
+ return backingStore;
}
QAbstractEventDispatcher *QCocoaIntegration::createEventDispatcher() const
diff --git a/src/plugins/platforms/ios/kernel.pro b/src/plugins/platforms/ios/kernel.pro
index 71257d09f7..01e0105223 100644
--- a/src/plugins/platforms/ios/kernel.pro
+++ b/src/plugins/platforms/ios/kernel.pro
@@ -9,6 +9,8 @@ QT += \
core-private gui-private \
clipboard_support-private fontdatabase_support-private graphics_support-private
+qtHaveModule(platformcompositor_support-private): QT += platformcompositor_support-private
+
LIBS += -framework Foundation -framework UIKit -framework QuartzCore -framework AudioToolbox
OBJECTIVE_SOURCES = \
diff --git a/src/plugins/platforms/ios/qiosintegration.mm b/src/plugins/platforms/ios/qiosintegration.mm
index 9eca0eaad3..d724e65717 100644
--- a/src/plugins/platforms/ios/qiosintegration.mm
+++ b/src/plugins/platforms/ios/qiosintegration.mm
@@ -65,6 +65,10 @@
#import <AudioToolbox/AudioServices.h>
+#if QT_CONFIG(opengl)
+#include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
+#endif
+
#include <QtDebug>
QT_BEGIN_NAMESPACE
@@ -186,7 +190,11 @@ QPlatformWindow *QIOSIntegration::createPlatformWindow(QWindow *window) const
// Used when the QWindow's surface type is set by the client to QSurface::RasterSurface
QPlatformBackingStore *QIOSIntegration::createPlatformBackingStore(QWindow *window) const
{
- return new QIOSBackingStore(window);
+ auto *backingStore = new QIOSBackingStore(window);
+#if QT_CONFIG(opengl)
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
+#endif
+ return backingStore;
}
// Used when the QWindow's surface type is set by the client to QSurface::OpenGLSurface
diff --git a/src/plugins/platforms/wasm/qwasmintegration.cpp b/src/plugins/platforms/wasm/qwasmintegration.cpp
index fd53cd0bae..ce83ad4e2f 100644
--- a/src/plugins/platforms/wasm/qwasmintegration.cpp
+++ b/src/plugins/platforms/wasm/qwasmintegration.cpp
@@ -41,6 +41,7 @@
#include "qwasmwindow.h"
#ifndef QT_NO_OPENGL
# include "qwasmbackingstore.h"
+# include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
#endif
#include "qwasmfontdatabase.h"
#if defined(Q_OS_UNIX)
@@ -185,6 +186,7 @@ QPlatformBackingStore *QWasmIntegration::createPlatformBackingStore(QWindow *win
#ifndef QT_NO_OPENGL
QWasmCompositor *compositor = QWasmScreen::get(window->screen())->compositor();
QWasmBackingStore *backingStore = new QWasmBackingStore(compositor, window);
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
m_backingStores.insert(window, backingStore);
return backingStore;
#else
diff --git a/src/plugins/platforms/wasm/wasm.pro b/src/plugins/platforms/wasm/wasm.pro
index c8b28fb37d..1aee4a3e58 100644
--- a/src/plugins/platforms/wasm/wasm.pro
+++ b/src/plugins/platforms/wasm/wasm.pro
@@ -4,6 +4,8 @@ QT += \
core-private gui-private \
eventdispatcher_support-private fontdatabase_support-private egl_support-private
+qtHaveModule(platformcompositor_support-private): QT += platformcompositor_support-private
+
# Avoid X11 header collision, use generic EGL native types
DEFINES += QT_EGL_NO_X11
diff --git a/src/plugins/platforms/windows/qwindowsgdiintegration.cpp b/src/plugins/platforms/windows/qwindowsgdiintegration.cpp
index c88f669eb5..7e9595321a 100644
--- a/src/plugins/platforms/windows/qwindowsgdiintegration.cpp
+++ b/src/plugins/platforms/windows/qwindowsgdiintegration.cpp
@@ -45,6 +45,10 @@
#include <QtCore/qdebug.h>
#include <QtGui/private/qpixmap_raster_p.h>
+#if QT_CONFIG(opengl)
+#include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
+#endif
+
QT_BEGIN_NAMESPACE
class QWindowsGdiIntegrationPrivate
@@ -73,7 +77,11 @@ QPlatformPixmap *QWindowsGdiIntegration::createPlatformPixmap(QPlatformPixmap::P
QPlatformBackingStore *QWindowsGdiIntegration::createPlatformBackingStore(QWindow *window) const
{
- return new QWindowsBackingStore(window);
+ auto *backingStore = new QWindowsBackingStore(window);
+#ifndef QT_NO_OPENGL
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
+#endif
+ return backingStore;
}
QT_END_NAMESPACE
diff --git a/src/plugins/platforms/windows/windows.pro b/src/plugins/platforms/windows/windows.pro
index 50a3bb41a9..8a27bd2770 100644
--- a/src/plugins/platforms/windows/windows.pro
+++ b/src/plugins/platforms/windows/windows.pro
@@ -5,6 +5,8 @@ QT += \
eventdispatcher_support-private \
fontdatabase_support-private theme_support-private
+qtHaveModule(platformcompositor_support-private): QT += platformcompositor_support-private
+
qtConfig(accessibility): QT += accessibility_support-private
qtConfig(vulkan): QT += vulkan_support-private
diff --git a/src/plugins/platforms/winrt/qwinrtintegration.cpp b/src/plugins/platforms/winrt/qwinrtintegration.cpp
index 27d3746933..dd8cd80fd9 100644
--- a/src/plugins/platforms/winrt/qwinrtintegration.cpp
+++ b/src/plugins/platforms/winrt/qwinrtintegration.cpp
@@ -53,6 +53,9 @@
#if QT_CONFIG(accessibility)
# include "uiautomation/qwinrtuiaaccessibility.h"
#endif
+#if QT_CONFIG(opengl)
+#include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
+#endif
#include <QtGui/QOffscreenSurface>
#include <QtGui/QOpenGLContext>
@@ -205,7 +208,11 @@ QPlatformWindow *QWinRTIntegration::createPlatformWindow(QWindow *window) const
QPlatformBackingStore *QWinRTIntegration::createPlatformBackingStore(QWindow *window) const
{
- return new QWinRTBackingStore(window);
+ auto *backingStore = new QWinRTBackingStore(window);
+#if QT_CONFIG(opengl)
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
+#endif
+ return backingStore;
}
QPlatformOpenGLContext *QWinRTIntegration::createPlatformOpenGLContext(QOpenGLContext *context) const
diff --git a/src/plugins/platforms/winrt/winrt.pro b/src/plugins/platforms/winrt/winrt.pro
index 43dc8f074c..7ac49f73c4 100644
--- a/src/plugins/platforms/winrt/winrt.pro
+++ b/src/plugins/platforms/winrt/winrt.pro
@@ -6,6 +6,8 @@ QT += \
core-private gui-private \
fontdatabase_support-private egl_support-private
+qtHaveModule(platformcompositor_support-private): QT += platformcompositor_support-private
+
DEFINES *= QT_NO_CAST_FROM_ASCII __WRL_NO_DEFAULT_LIB__
QMAKE_USE_PRIVATE += d3d11 ws2_32
diff --git a/src/plugins/platforms/xcb/qxcbintegration.cpp b/src/plugins/platforms/xcb/qxcbintegration.cpp
index 3fd989e1f9..cea0511822 100644
--- a/src/plugins/platforms/xcb/qxcbintegration.cpp
+++ b/src/plugins/platforms/xcb/qxcbintegration.cpp
@@ -61,6 +61,9 @@
#include <QtFontDatabaseSupport/private/qgenericunixfontdatabase_p.h>
#include <QtServiceSupport/private/qgenericunixservices_p.h>
+#if QT_CONFIG(opengl)
+#include <QtPlatformCompositorSupport/qpa/qplatformbackingstoreopenglsupport.h>
+#endif
#include <stdio.h>
@@ -288,16 +291,23 @@ QPlatformOpenGLContext *QXcbIntegration::createPlatformOpenGLContext(QOpenGLCont
QPlatformBackingStore *QXcbIntegration::createPlatformBackingStore(QWindow *window) const
{
- const bool isTrayIconWindow = QXcbWindow::isTrayIconWindow(window);
- if (isTrayIconWindow)
- return new QXcbSystemTrayBackingStore(window);
+ QPlatformBackingStore *backingStore = nullptr;
+ const bool isTrayIconWindow = QXcbWindow::isTrayIconWindow(window);
+ if (isTrayIconWindow) {
+ backingStore = new QXcbSystemTrayBackingStore(window);
#if QT_CONFIG(xcb_native_painting)
- if (nativePaintingEnabled())
- return new QXcbNativeBackingStore(window);
+ } else if (nativePaintingEnabled()) {
+ backingStore = new QXcbNativeBackingStore(window);
#endif
-
- return new QXcbBackingStore(window);
+ } else {
+ backingStore = new QXcbBackingStore(window);
+ }
+ Q_ASSERT(backingStore);
+#ifndef QT_NO_OPENGL
+ backingStore->setOpenGLSupport(new QPlatformBackingStoreOpenGLSupport(backingStore));
+#endif
+ return backingStore;
}
QPlatformOffscreenSurface *QXcbIntegration::createPlatformOffscreenSurface(QOffscreenSurface *surface) const
diff --git a/src/plugins/platforms/xcb/xcb_qpa_lib.pro b/src/plugins/platforms/xcb/xcb_qpa_lib.pro
index a5d05faa9c..1f651e7697 100644
--- a/src/plugins/platforms/xcb/xcb_qpa_lib.pro
+++ b/src/plugins/platforms/xcb/xcb_qpa_lib.pro
@@ -9,6 +9,9 @@ QT += \
edid_support-private \
xkbcommon_support-private
+qtHaveModule(platformcompositor_support-private): \
+ QT += platformcompositor_support-private
+
qtHaveModule(linuxaccessibility_support-private): \
QT += linuxaccessibility_support-private