diff options
Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index e7b6ee4..40f3a8d 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -449,6 +449,43 @@ void QGL2PaintEngineExPrivate::drawTexture(const QGLRect& dest, const QGLRect& s glDrawArrays(GL_TRIANGLE_FAN, 0, 4); } +void QGL2PaintEngineEx::sync() +{ + Q_D(QGL2PaintEngineEx); + ensureActive(); + d->transferMode(BrushDrawingMode); + + QGLContext *ctx = d->ctx; + glUseProgram(0); + +#ifndef QT_OPENGL_ES_2 + // be nice to people who mix OpenGL 1.x code with QPainter commands + // by setting modelview and projection matrices to mirror the GL 1 + // paint engine + const QTransform& mtx = state()->matrix; + + float mv_matrix[4][4] = + { + { mtx.m11(), mtx.m12(), 0, mtx.m13() }, + { mtx.m21(), mtx.m22(), 0, mtx.m23() }, + { 0, 0, 1, 0 }, + { mtx.dx(), mtx.dy(), 0, mtx.m33() } + }; + + const QSize sz = d->drawable.size(); + + glMatrixMode(GL_PROJECTION); + glLoadIdentity(); + glOrtho(0, sz.width(), sz.height(), 0, -999999, 999999); + + glMatrixMode(GL_MODELVIEW); + glLoadMatrixf(&mv_matrix[0][0]); +#endif + + glDisable(GL_BLEND); + glActiveTexture(GL_TEXTURE0); +} + void QGL2PaintEngineExPrivate::transferMode(EngineMode newMode) { if (newMode == mode) |