eglfs: remove support for widget rendering using opengl paint engine

The eglfs backing store code can render either using the raster paint
engine (through QImage) or using the opengl paint engine. Rendering
quality using the opengl paint engine is pretty poor so remove
it.

Change-Id: I64061ceb3a480049cfebe61aaf172ad1f1da7042
Reviewed-by: Samuel Rødal <samuel.rodal@nokia.com>
This commit is contained in:
Girish Ramakrishnan 2012-05-26 22:26:10 -07:00 committed by Qt by Nokia
parent d324019913
commit e973d0965c
2 changed files with 0 additions and 26 deletions

View File

@ -53,10 +53,8 @@ QT_BEGIN_NAMESPACE
QEglFSBackingStore::QEglFSBackingStore(QWindow *window)
: QPlatformBackingStore(window)
, m_context(new QOpenGLContext)
#ifdef EGLFS_BACKINGSTORE_USE_IMAGE
, m_texture(0)
, m_program(0)
#endif
{
m_context->setFormat(window->requestedFormat());
m_context->setScreen(window->screen());
@ -70,11 +68,7 @@ QEglFSBackingStore::~QEglFSBackingStore()
QPaintDevice *QEglFSBackingStore::paintDevice()
{
#ifdef EGLFS_BACKINGSTORE_USE_IMAGE
return &m_image;
#else
return m_device;
#endif
}
void QEglFSBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
@ -86,7 +80,6 @@ void QEglFSBackingStore::flush(QWindow *window, const QRegion &region, const QPo
qWarning("QEglBackingStore::flush %p", window);
#endif
#ifdef EGLFS_BACKINGSTORE_USE_IMAGE
if (!m_program) {
static const char *textureVertexProgram =
"attribute highp vec2 vertexCoordEntry;\n"
@ -184,7 +177,6 @@ void QEglFSBackingStore::flush(QWindow *window, const QRegion &region, const QPo
glBindTexture(GL_TEXTURE_2D, 0);
glDisableVertexAttribArray(m_vertexCoordEntry);
glDisableVertexAttribArray(m_textureCoordEntry);
#endif
// draw the cursor
if (QEglFSCursor *cursor = static_cast<QEglFSCursor *>(window->screen()->handle()->cursor()))
@ -205,26 +197,17 @@ void QEglFSBackingStore::beginPaint(const QRegion &rgn)
{
makeCurrent();
#ifdef EGLFS_BACKINGSTORE_USE_IMAGE
m_dirty = m_dirty | rgn;
#else
Q_UNUSED(rgn);
m_device = new QOpenGLPaintDevice(window()->size());
#endif
}
void QEglFSBackingStore::endPaint()
{
#ifndef EGLFS_BACKINGSTORE_USE_IMAGE
delete m_device;
#endif
}
void QEglFSBackingStore::resize(const QSize &size, const QRegion &staticContents)
{
Q_UNUSED(staticContents);
#ifdef EGLFS_BACKINGSTORE_USE_IMAGE
m_image = QImage(size, QImage::Format_RGB32);
makeCurrent();
if (m_texture)
@ -237,9 +220,6 @@ void QEglFSBackingStore::resize(const QSize &size, const QRegion &staticContents
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, size.width(), size.height(), 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
#else
Q_UNUSED(size);
#endif
}
QT_END_NAMESPACE

View File

@ -47,8 +47,6 @@
#include <QImage>
#include <QRegion>
#define EGLFS_BACKINGSTORE_USE_IMAGE
QT_BEGIN_NAMESPACE
class QOpenGLContext;
@ -73,16 +71,12 @@ private:
void makeCurrent();
QOpenGLContext *m_context;
#ifdef EGLFS_BACKINGSTORE_USE_IMAGE
QImage m_image;
uint m_texture;
QRegion m_dirty;
QOpenGLShaderProgram *m_program;
int m_vertexCoordEntry;
int m_textureCoordEntry;
#else
QOpenGLPaintDevice *m_device;
#endif
};
QT_END_NAMESPACE