diff options
Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index 7e8a281..167eb64 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -74,6 +74,7 @@ #include <private/qpainter_p.h> #include <private/qfontengine_p.h> #include <private/qtextureglyphcache_p.h> +#include <private/qpixmapdata_gl_p.h> #include "qglgradientcache_p.h" #include "qglengineshadermanager_p.h" @@ -1054,14 +1055,18 @@ void QGL2PaintEngineEx::drawPixmap(const QRectF& dest, const QPixmap & pixmap, c QGLContext *ctx = d->ctx; glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); - GLuint id = ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA, true); + QGLTexture *texture = ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA, true, true); + + GLfloat top = texture->yInverted ? (pixmap.height() - src.top()) : src.top(); + GLfloat bottom = texture->yInverted ? (pixmap.height() - src.bottom()) : src.bottom(); + QGLRect srcRect(src.left(), top, src.right(), bottom); bool isBitmap = pixmap.isQBitmap(); bool isOpaque = !isBitmap && !pixmap.hasAlphaChannel(); d->updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, - state()->renderHints & QPainter::SmoothPixmapTransform, id); - d->drawTexture(dest, src, pixmap.size(), isOpaque, isBitmap); + state()->renderHints & QPainter::SmoothPixmapTransform, texture->id); + d->drawTexture(dest, srcRect, pixmap.size(), isOpaque, isBitmap); } void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const QRectF& src, @@ -1073,7 +1078,8 @@ void QGL2PaintEngineEx::drawImage(const QRectF& dest, const QImage& image, const QGLContext *ctx = d->ctx; glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); - GLuint id = ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, true); + QGLTexture *texture = ctx->d_func()->bindTexture(image, GL_TEXTURE_2D, GL_RGBA, true); + GLuint id = texture->id; d->updateTextureFilter(GL_TEXTURE_2D, GL_REPEAT, state()->renderHints & QPainter::SmoothPixmapTransform, id); @@ -1287,6 +1293,14 @@ bool QGL2PaintEngineEx::end() glUseProgram(0); d->transferMode(BrushDrawingMode); d->drawable.swapBuffers(); +#if defined(Q_WS_X11) + // On some (probably all) drivers, deleting an X pixmap which has been bound to a texture + // before calling glFinish/swapBuffers renders garbage. Presumably this is because X deletes + // the pixmap behind the driver's back before it's had a chance to use it. To fix this, we + // reference all QPixmaps which have been bound to stop them being deleted and only deref + // them here, after swapBuffers, where they can be safely deleted. + ctx->d_func()->boundPixmaps.clear(); +#endif d->drawable.doneCurrent(); d->ctx->d_ptr->active_engine = 0; |