summaryrefslogtreecommitdiffstats
path: root/src/opengl/qpixmapdata_poolgl.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/opengl/qpixmapdata_poolgl.cpp')
-rw-r--r--src/opengl/qpixmapdata_poolgl.cpp156
1 files changed, 94 insertions, 62 deletions
diff --git a/src/opengl/qpixmapdata_poolgl.cpp b/src/opengl/qpixmapdata_poolgl.cpp
index f1220b1c3e..041210d404 100644
--- a/src/opengl/qpixmapdata_poolgl.cpp
+++ b/src/opengl/qpixmapdata_poolgl.cpp
@@ -49,6 +49,8 @@
#include <private/qgl_p.h>
#include <private/qdrawhelper_p.h>
#include <private/qimage_p.h>
+#include <private/qnativeimagehandleprovider_p.h>
+#include <private/qfont_p.h>
#include <private/qpaintengineex_opengl2_p.h>
@@ -63,19 +65,6 @@ QT_BEGIN_NAMESPACE
Q_OPENGL_EXPORT extern QGLWidget* qt_gl_share_widget();
-/*!
- \class QGLFramebufferObjectPool
- \since 4.6
-
- \brief The QGLFramebufferObject class provides a pool of framebuffer
- objects for offscreen rendering purposes.
-
- When requesting an FBO of a given size and format, an FBO of the same
- format and a size at least as big as the requested size will be returned.
-
- \internal
-*/
-
static inline int areaDiff(const QSize &size, const QGLFramebufferObject *fbo)
{
return qAbs(size.width() * size.height() - fbo->width() * fbo->height());
@@ -247,13 +236,15 @@ void QGLPixmapGLPaintDevice::setPixmapData(QGLPixmapData* d)
data = d;
}
-static int qt_gl_pixmap_serial = 0;
+int qt_gl_pixmap_serial = 0;
QGLPixmapData::QGLPixmapData(PixelType type)
: QPixmapData(type, OpenGLClass)
, m_renderFbo(0)
, m_engine(0)
, m_ctx(0)
+ , nativeImageHandleProvider(0)
+ , nativeImageHandle(0)
, m_dirty(false)
, m_hasFillColor(false)
, m_hasAlpha(false)
@@ -292,6 +283,8 @@ void QGLPixmapData::destroyTexture()
}
m_texture.id = 0;
inTexturePool = false;
+
+ releaseNativeImageHandle();
}
QPixmapData *QGLPixmapData::createCompatiblePixmapData() const
@@ -330,7 +323,7 @@ void QGLPixmapData::resize(int width, int height)
destroyTexture();
- m_source = QImage();
+ m_source = QVolatileImage();
m_dirty = isValid();
setSerialNumber(++qt_gl_pixmap_serial);
}
@@ -342,6 +335,9 @@ void QGLPixmapData::ensureCreated() const
m_dirty = false;
+ if (nativeImageHandleProvider && !nativeImageHandle)
+ const_cast<QGLPixmapData *>(this)->createFromNativeImageHandleProvider();
+
QGLShareContextScope ctx(qt_gl_share_widget()->context());
m_ctx = ctx;
@@ -353,6 +349,11 @@ void QGLPixmapData::ensureCreated() const
#endif
const GLenum target = GL_TEXTURE_2D;
+ GLenum type = GL_UNSIGNED_BYTE;
+ // Avoid conversion when pixmap is created from CFbsBitmap of EColor64K.
+ if (!m_source.isNull() && m_source.format() == QImage::Format_RGB16)
+ type = GL_UNSIGNED_SHORT_5_6_5;
+
m_texture.options &= ~QGLContext::MemoryManagedBindOption;
if (!m_texture.id) {
@@ -361,7 +362,7 @@ void QGLPixmapData::ensureCreated() const
0, internal_format,
w, h,
external_format,
- GL_UNSIGNED_BYTE,
+ type,
const_cast<QGLPixmapData*>(this));
if (!m_texture.id) {
failedToAlloc = true;
@@ -378,21 +379,35 @@ void QGLPixmapData::ensureCreated() const
if (!m_source.isNull() && m_texture.id) {
if (external_format == GL_RGB) {
- const QImage tx = m_source.convertToFormat(QImage::Format_RGB888).mirrored(false, true);
+ m_source.beginDataAccess();
+ QImage tx;
+ if (type == GL_UNSIGNED_BYTE)
+ tx = m_source.imageRef().convertToFormat(QImage::Format_RGB888).mirrored(false, true);
+ else if (type == GL_UNSIGNED_SHORT_5_6_5)
+ tx = m_source.imageRef().mirrored(false, true);
+ m_source.endDataAccess(true);
glBindTexture(target, m_texture.id);
- glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
- GL_UNSIGNED_BYTE, tx.bits());
+ if (!tx.isNull())
+ glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
+ type, tx.constBits());
+ else
+ qWarning("QGLPixmapData: Failed to create GL_RGB image of size %dx%d", w, h);
} else {
// do byte swizzling ARGB -> RGBA
- const QImage tx = ctx->d_func()->convertToGLFormat(m_source, true, external_format);
+ m_source.beginDataAccess();
+ const QImage tx = ctx->d_func()->convertToGLFormat(m_source.imageRef(), true, external_format);
+ m_source.endDataAccess(true);
glBindTexture(target, m_texture.id);
- glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
- GL_UNSIGNED_BYTE, tx.bits());
+ if (!tx.isNull())
+ glTexSubImage2D(target, 0, 0, 0, w, h, external_format,
+ type, tx.constBits());
+ else
+ qWarning("QGLPixmapData: Failed to create GL_RGBA image of size %dx%d", w, h);
}
if (useFramebufferObjects())
- m_source = QImage();
+ m_source = QVolatileImage();
}
}
@@ -437,7 +452,7 @@ bool QGLPixmapData::fromFile(const QString &filename, const char *format,
is_null = false;
d = 32;
m_hasAlpha = alpha;
- m_source = QImage();
+ m_source = QVolatileImage();
m_dirty = isValid();
return true;
}
@@ -469,7 +484,7 @@ bool QGLPixmapData::fromData(const uchar *buffer, uint len, const char *format,
is_null = false;
d = 32;
m_hasAlpha = alpha;
- m_source = QImage();
+ m_source = QVolatileImage();
m_dirty = isValid();
return true;
}
@@ -487,9 +502,20 @@ bool QGLPixmapData::fromData(const uchar *buffer, uint len, const char *format,
return !isNull();
}
-/*!
- out-of-place conversion (inPlace == false) will always detach()
- */
+QImage::Format QGLPixmapData::idealFormat(QImage &image, Qt::ImageConversionFlags flags)
+{
+ QImage::Format format = QImage::Format_RGB32;
+ if (qApp->desktop()->depth() == 16)
+ format = QImage::Format_RGB16;
+
+ if (image.hasAlphaChannel()
+ && ((flags & Qt::NoOpaqueDetection)
+ || const_cast<QImage &>(image).data_ptr()->checkForAlphaPixels()))
+ format = QImage::Format_ARGB32_Premultiplied;
+
+ return format;
+}
+
void QGLPixmapData::createPixmapForImage(QImage &image, Qt::ImageConversionFlags flags, bool inPlace)
{
if (image.size() == QSize(w, h))
@@ -498,26 +524,25 @@ void QGLPixmapData::createPixmapForImage(QImage &image, Qt::ImageConversionFlags
resize(image.width(), image.height());
if (pixelType() == BitmapType) {
- m_source = image.convertToFormat(QImage::Format_MonoLSB);
+ QImage convertedImage = image.convertToFormat(QImage::Format_MonoLSB);
+ if (image.format() == QImage::Format_MonoLSB)
+ convertedImage.detach();
- } else {
- QImage::Format format = QImage::Format_RGB32;
- if (qApp->desktop()->depth() == 16)
- format = QImage::Format_RGB16;
+ m_source = QVolatileImage(convertedImage);
- if (image.hasAlphaChannel()
- && ((flags & Qt::NoOpaqueDetection)
- || const_cast<QImage &>(image).data_ptr()->checkForAlphaPixels()))
- format = QImage::Format_ARGB32_Premultiplied;
+ } else {
+ QImage::Format format = idealFormat(image, flags);
if (inPlace && image.data_ptr()->convertInPlace(format, flags)) {
- m_source = image;
+ m_source = QVolatileImage(image);
} else {
- m_source = image.convertToFormat(format);
+ QImage convertedImage = image.convertToFormat(format);
// convertToFormat won't detach the image if format stays the same.
if (image.format() == format)
- m_source.detach();
+ convertedImage.detach();
+
+ m_source = QVolatileImage(convertedImage);
}
}
@@ -596,16 +621,13 @@ void QGLPixmapData::fill(const QColor &color)
}
if (useFramebufferObjects()) {
- m_source = QImage();
+ m_source = QVolatileImage();
m_hasFillColor = true;
m_fillColor = color;
} else {
+ forceToImage();
- if (m_source.isNull()) {
- m_fillColor = color;
- m_hasFillColor = true;
-
- } else if (m_source.depth() == 32) {
+ if (m_source.depth() == 32) {
m_source.fill(PREMUL(color.rgba()));
} else if (m_source.depth() == 1) {
@@ -656,13 +678,15 @@ QImage QGLPixmapData::toImage() const
if (m_renderFbo) {
copyBackFromRenderFbo(true);
} else if (!m_source.isNull()) {
- QImageData *data = const_cast<QImage &>(m_source).data_ptr();
- if (data->paintEngine && data->paintEngine->isActive()
- && data->paintEngine->paintDevice() == &m_source)
- {
- return m_source.copy();
+ // QVolatileImage::toImage() will make a copy always so no check
+ // for active painting is needed.
+ QImage img = m_source.toImage();
+ if (img.format() == QImage::Format_MonoLSB) {
+ img.setColorCount(2);
+ img.setColor(0, QColor(Qt::color0).rgba());
+ img.setColor(1, QColor(Qt::color1).rgba());
}
- return m_source;
+ return img;
} else if (m_dirty || m_hasFillColor) {
return fillImage(m_fillColor);
} else {
@@ -802,7 +826,7 @@ GLuint QGLPixmapData::bind(bool copyBack) const
if (m_hasFillColor) {
if (!useFramebufferObjects()) {
- m_source = QImage(w, h, QImage::Format_ARGB32_Premultiplied);
+ m_source = QVolatileImage(w, h, QImage::Format_ARGB32_Premultiplied);
m_source.fill(PREMUL(m_fillColor.rgba()));
}
@@ -811,7 +835,7 @@ GLuint QGLPixmapData::bind(bool copyBack) const
GLenum format = qt_gl_preferredTextureFormat();
QImage tx(w, h, QImage::Format_ARGB32_Premultiplied);
tx.fill(qt_gl_convertToGLFormat(m_fillColor.rgba(), format));
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, format, GL_UNSIGNED_BYTE, tx.bits());
+ glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, format, GL_UNSIGNED_BYTE, tx.constBits());
}
return id;
@@ -832,9 +856,16 @@ void QGLPixmapData::detachTextureFromPool()
void QGLPixmapData::hibernate()
{
- // If the texture was imported (e.g, from an SgImage under Symbian),
- // then we cannot copy it back to main memory for storage.
- if (m_texture.id && m_source.isNull())
+ // If the image was imported (e.g, from an SgImage under Symbian), then
+ // skip the hibernation, there is no sense in copying it back to main
+ // memory because the data is most likely shared between several processes.
+ bool skipHibernate = (m_texture.id && m_source.isNull());
+#if defined(Q_OS_SYMBIAN)
+ // However we have to proceed normally if the image was retrieved via
+ // a handle provider.
+ skipHibernate &= !nativeImageHandleProvider;
+#endif
+ if (skipHibernate)
return;
forceToImage();
@@ -849,9 +880,6 @@ void QGLPixmapData::reclaimTexture()
destroyTexture();
}
-Q_GUI_EXPORT int qt_defaultDpiX();
-Q_GUI_EXPORT int qt_defaultDpiY();
-
int QGLPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
{
if (w == 0)
@@ -888,8 +916,12 @@ void QGLPixmapData::forceToImage()
if (!isValid())
return;
- if (m_source.isNull())
- m_source = QImage(w, h, QImage::Format_ARGB32_Premultiplied);
+ if (m_source.isNull()) {
+ QImage::Format format = QImage::Format_ARGB32_Premultiplied;
+ if (pixelType() == BitmapType)
+ format = QImage::Format_MonoLSB;
+ m_source = QVolatileImage(w, h, format);
+ }
m_dirty = true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-19 23:56:37 +0000