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-rw-r--r--src/opengl/qpixmapdata_gl.cpp83
1 files changed, 49 insertions, 34 deletions
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 48feb82..f0c7e20 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -1,7 +1,7 @@
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtOpenGL module of the Qt Toolkit.
**
@@ -34,7 +34,7 @@
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
@@ -96,8 +96,6 @@ static int qt_gl_pixmap_serial = 0;
QGLPixmapData::QGLPixmapData(PixelType type)
: QPixmapData(type, OpenGLClass)
- , m_width(0)
- , m_height(0)
, m_renderFbo(0)
, m_textureId(0)
, m_engine(0)
@@ -114,13 +112,16 @@ QGLPixmapData::~QGLPixmapData()
QGLWidget *shareWidget = qt_gl_share_widget();
if (!shareWidget)
return;
- QGLShareContextScope ctx(shareWidget->context());
- glDeleteTextures(1, &m_textureId);
+
+ if (m_textureId) {
+ QGLShareContextScope ctx(shareWidget->context());
+ glDeleteTextures(1, &m_textureId);
+ }
}
bool QGLPixmapData::isValid() const
{
- return m_width > 0 && m_height > 0;
+ return w > 0 && h > 0;
}
bool QGLPixmapData::isValidContext(const QGLContext *ctx) const
@@ -134,7 +135,7 @@ bool QGLPixmapData::isValidContext(const QGLContext *ctx) const
void QGLPixmapData::resize(int width, int height)
{
- if (width == m_width && height == m_height)
+ if (width == w && height == h)
return;
if (width <= 0 || height <= 0) {
@@ -142,8 +143,10 @@ void QGLPixmapData::resize(int width, int height)
height = 0;
}
- m_width = width;
- m_height = height;
+ w = width;
+ h = height;
+ is_null = (w <= 0 || h <= 0);
+ d = pixelType() == QPixmapData::PixmapType ? 32 : 1;
if (m_textureId) {
QGLShareContextScope ctx(qt_gl_share_widget()->context());
@@ -173,7 +176,7 @@ void QGLPixmapData::ensureCreated() const
glGenTextures(1, &m_textureId);
glBindTexture(target, m_textureId);
GLenum format = m_hasAlpha ? GL_RGBA : GL_RGB;
- glTexImage2D(target, 0, format, m_width, m_height, 0,
+ glTexImage2D(target, 0, format, w, h, 0,
GL_RGBA, GL_UNSIGNED_BYTE, 0);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
@@ -183,7 +186,7 @@ void QGLPixmapData::ensureCreated() const
const QImage tx = ctx->d_func()->convertToGLFormat(m_source, true, format);
glBindTexture(target, m_textureId);
- glTexSubImage2D(target, 0, 0, 0, m_width, m_height, format,
+ glTexSubImage2D(target, 0, 0, 0, w, h, format,
GL_UNSIGNED_BYTE, tx.bits());
if (useFramebufferObjects())
@@ -199,7 +202,7 @@ QGLFramebufferObject *QGLPixmapData::fbo() const
void QGLPixmapData::fromImage(const QImage &image,
Qt::ImageConversionFlags)
{
- if (image.size() == QSize(m_width, m_height))
+ if (image.size() == QSize(w, h))
setSerialNumber(++qt_gl_pixmap_serial);
resize(image.width(), image.height());
@@ -215,6 +218,10 @@ void QGLPixmapData::fromImage(const QImage &image,
m_hasFillColor = false;
m_hasAlpha = image.hasAlphaChannel();
+ w = image.width();
+ h = image.height();
+ is_null = (w <= 0 || h <= 0);
+ d = pixelType() == QPixmapData::PixmapType ? 32 : 1;
if (m_textureId) {
QGLShareContextScope ctx(qt_gl_share_widget()->context());
@@ -247,8 +254,15 @@ void QGLPixmapData::fill(const QColor &color)
if (!isValid())
return;
- if (!m_textureId)
+ bool hasAlpha = color.alpha() != 255;
+ if (hasAlpha && !m_hasAlpha) {
+ if (m_textureId) {
+ glDeleteTextures(1, &m_textureId);
+ m_textureId = 0;
+ m_dirty = true;
+ }
m_hasAlpha = color.alpha() != 255;
+ }
if (useFramebufferObjects()) {
m_source = QImage();
@@ -269,7 +283,7 @@ QImage QGLPixmapData::fillImage(const QColor &color) const
{
QImage img;
if (pixelType() == BitmapType) {
- img = QImage(m_width, m_height, QImage::Format_MonoLSB);
+ img = QImage(w, h, QImage::Format_MonoLSB);
img.setNumColors(2);
img.setColor(0, QColor(Qt::color0).rgba());
img.setColor(1, QColor(Qt::color1).rgba());
@@ -280,7 +294,7 @@ QImage QGLPixmapData::fillImage(const QColor &color) const
else
img.fill(1);
} else {
- img = QImage(m_width, m_height,
+ img = QImage(w, h,
m_hasAlpha
? QImage::Format_ARGB32_Premultiplied
: QImage::Format_RGB32);
@@ -307,7 +321,7 @@ QImage QGLPixmapData::toImage() const
QGLShareContextScope ctx(qt_gl_share_widget()->context());
extern QImage qt_gl_read_texture(const QSize &size, bool alpha_format, bool include_alpha);
glBindTexture(GL_TEXTURE_2D, m_textureId);
- return qt_gl_read_texture(QSize(m_width, m_height), true, true);
+ return qt_gl_read_texture(QSize(w, h), true, true);
}
struct TextureBuffer
@@ -339,9 +353,9 @@ void QGLPixmapData::copyBackFromRenderFbo(bool keepCurrentFboBound) const
GL_TEXTURE_2D, m_textureId, 0);
const int x0 = 0;
- const int x1 = m_width;
+ const int x1 = w;
const int y0 = 0;
- const int y1 = m_height;
+ const int y1 = h;
glBindFramebuffer(GL_READ_FRAMEBUFFER_EXT, m_renderFbo->handle());
@@ -398,7 +412,8 @@ static TextureBuffer createTextureBuffer(const QSize &size, QGL2PaintEngineEx *e
bool QGLPixmapData::useFramebufferObjects()
{
return QGLFramebufferObject::hasOpenGLFramebufferObjects()
- && QGLFramebufferObject::hasOpenGLFramebufferBlit();
+ && QGLFramebufferObject::hasOpenGLFramebufferBlit()
+ && qt_gl_preferGL2Engine();
}
QPaintEngine* QGLPixmapData::paintEngine() const
@@ -420,15 +435,15 @@ QPaintEngine* QGLPixmapData::paintEngine() const
textureBufferStack << createTextureBuffer(size());
} else {
QSize sz = textureBufferStack.at(currentTextureBuffer).fbo->size();
- if (sz.width() < m_width || sz.height() < m_height) {
- if (sz.width() < m_width)
- sz.setWidth(qMax(m_width, qRound(sz.width() * 1.5)));
- if (sz.height() < m_height)
- sz.setHeight(qMax(m_height, qRound(sz.height() * 1.5)));
+ if (sz.width() < w || sz.height() < h) {
+ if (sz.width() < w)
+ sz.setWidth(qMax(w, qRound(sz.width() * 1.5)));
+ if (sz.height() < h)
+ sz.setHeight(qMax(h, qRound(sz.height() * 1.5)));
// wasting too much space?
- if (sz.width() * sz.height() > m_width * m_height * 2.5)
- sz = QSize(m_width, m_height);
+ if (sz.width() * sz.height() > w * h * 2.5)
+ sz = QSize(w, h);
delete textureBufferStack.at(currentTextureBuffer).fbo;
textureBufferStack[currentTextureBuffer] =
@@ -466,7 +481,7 @@ GLuint QGLPixmapData::bind(bool copyBack) const
} else {
if (m_hasFillColor) {
m_dirty = true;
- m_source = QImage(m_width, m_height, QImage::Format_ARGB32_Premultiplied);
+ m_source = QImage(w, h, QImage::Format_ARGB32_Premultiplied);
m_source.fill(PREMUL(m_fillColor.rgba()));
m_hasFillColor = false;
}
@@ -489,22 +504,22 @@ extern int qt_defaultDpiY();
int QGLPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
{
- if (m_width == 0)
+ if (w == 0)
return 0;
switch (metric) {
case QPaintDevice::PdmWidth:
- return m_width;
+ return w;
case QPaintDevice::PdmHeight:
- return m_height;
+ return h;
case QPaintDevice::PdmNumColors:
return 0;
case QPaintDevice::PdmDepth:
- return pixelType() == QPixmapData::PixmapType ? 32 : 1;
+ return d;
case QPaintDevice::PdmWidthMM:
- return qRound(m_width * 25.4 / qt_defaultDpiX());
+ return qRound(w * 25.4 / qt_defaultDpiX());
case QPaintDevice::PdmHeightMM:
- return qRound(m_height * 25.4 / qt_defaultDpiY());
+ return qRound(h * 25.4 / qt_defaultDpiY());
case QPaintDevice::PdmDpiX:
case QPaintDevice::PdmPhysicalDpiX:
return qt_defaultDpiX();
generated by cgit v0.12 at 2024-12-07 11:03:54 (GMT)