diff options
| author | Samuel Rødal <sroedal@trolltech.com> | 2009-10-30 13:59:41 +0100 |
|---|---|---|
| committer | Samuel Rødal <sroedal@trolltech.com> | 2009-11-02 12:57:54 +0100 |
| commit | 70b7f26c3155e83d59cae7b89ed1af3b57797a73 (patch) | |
| tree | 95ff4f7690ac800cd3e228c4f29da306ea263878 /src/opengl | |
| parent | 85e41590732f15cec16909bf1121d944ae684373 (diff) | |
Added strict size parameter to QGLFramebufferObject pool.
The strict size parameter can be used when it's critical that we get the
exact size we ask for.
Reviewed-by: Gunnar Sletta
Diffstat (limited to 'src/opengl')
| -rw-r--r-- | src/opengl/qpixmapdata_gl.cpp | 19 | ||||
| -rw-r--r-- | src/opengl/qpixmapdata_gl_p.h | 2 |
2 files changed, 17 insertions, 4 deletions
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp index c965947ee8..5ca37ef6dd 100644 --- a/src/opengl/qpixmapdata_gl.cpp +++ b/src/opengl/qpixmapdata_gl.cpp @@ -89,13 +89,22 @@ static inline QSize maybeRoundToNextPowerOfTwo(const QSize &sz) } -QGLFramebufferObject *QGLFramebufferObjectPool::acquire(const QSize &requestSize, const QGLFramebufferObjectFormat &requestFormat) +QGLFramebufferObject *QGLFramebufferObjectPool::acquire(const QSize &requestSize, const QGLFramebufferObjectFormat &requestFormat, bool strictSize) { QGLFramebufferObject *chosen = 0; QGLFramebufferObject *candidate = 0; for (int i = 0; !chosen && i < m_fbos.size(); ++i) { QGLFramebufferObject *fbo = m_fbos.at(i); + if (strictSize) { + if (fbo->size() == requestSize && fbo->format() == requestFormat) { + chosen = fbo; + break; + } else { + continue; + } + } + if (fbo->format() == requestFormat) { // choose the fbo with a matching format and the closest size if (!candidate || areaDiff(requestSize, candidate) > areaDiff(requestSize, fbo)) @@ -127,7 +136,10 @@ QGLFramebufferObject *QGLFramebufferObjectPool::acquire(const QSize &requestSize } if (!chosen) { - chosen = new QGLFramebufferObject(maybeRoundToNextPowerOfTwo(requestSize), requestFormat); + if (strictSize) + chosen = new QGLFramebufferObject(requestSize, requestFormat); + else + chosen = new QGLFramebufferObject(maybeRoundToNextPowerOfTwo(requestSize), requestFormat); } if (!chosen->isValid()) { @@ -140,7 +152,8 @@ QGLFramebufferObject *QGLFramebufferObjectPool::acquire(const QSize &requestSize void QGLFramebufferObjectPool::release(QGLFramebufferObject *fbo) { - m_fbos << fbo; + if (fbo) + m_fbos << fbo; } diff --git a/src/opengl/qpixmapdata_gl_p.h b/src/opengl/qpixmapdata_gl_p.h index 6190d38e7a..8a13e03118 100644 --- a/src/opengl/qpixmapdata_gl_p.h +++ b/src/opengl/qpixmapdata_gl_p.h @@ -69,7 +69,7 @@ class QGLPixmapData; class QGLFramebufferObjectPool { public: - QGLFramebufferObject *acquire(const QSize &size, const QGLFramebufferObjectFormat &format); + QGLFramebufferObject *acquire(const QSize &size, const QGLFramebufferObjectFormat &format, bool strictSize = false); void release(QGLFramebufferObject *fbo); private: |