diff options
| author | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2014-07-01 10:03:53 +0200 |
|---|---|---|
| committer | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2014-07-01 16:25:19 +0200 |
| commit | a09a8d509a69ed16d8afbe15296b8332cacd6c66 (patch) | |
| tree | 28645b437fd0390d903f753a44ba79626eecb8ac /src/gui/opengl/qopenglframebufferobject.cpp | |
| parent | 4b28152da64f7f23a1bbb810d8cdb7626a5f0b8e (diff) | |
| parent | 83f06da1c6bffff61af78cbe75a0691d53742b53 (diff) | |
Merge remote-tracking branch 'origin/5.3' into dev
Conflicts:
mkspecs/qnx-x86-qcc/qplatformdefs.h
src/corelib/global/qglobal.h
src/network/socket/qnativesocketengine_winrt.cpp
src/plugins/platforms/android/androidjniaccessibility.cpp
src/plugins/platforms/windows/qwindowswindow.cpp
Manually adjusted:
mkspecs/qnx-armle-v7-qcc/qplatformdefs.h
to include 9ce697f2d54be6d94381c72af28dda79cbc027d4
Thanks goes to Sergio for the qnx mkspecs adjustments.
Change-Id: I53b1fd6bc5bc884e5ee2c2b84975f58171a1cb8e
Diffstat (limited to 'src/gui/opengl/qopenglframebufferobject.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglframebufferobject.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gui/opengl/qopenglframebufferobject.cpp b/src/gui/opengl/qopenglframebufferobject.cpp index 2651c23665..97b006b4fc 100644 --- a/src/gui/opengl/qopenglframebufferobject.cpp +++ b/src/gui/opengl/qopenglframebufferobject.cpp @@ -443,9 +443,10 @@ void QOpenGLFramebufferObjectPrivate::init(QOpenGLFramebufferObject *, const QSi samples = qBound(0, int(samples), int(maxSamples)); } + samples = qMax(0, samples); + requestedSamples = samples; size = sz; target = texture_target; - // texture dimensions QT_RESET_GLERROR(); // reset error state GLuint fbo = 0; @@ -477,6 +478,9 @@ void QOpenGLFramebufferObjectPrivate::init(QOpenGLFramebufferObject *, const QSi valid = checkFramebufferStatus(ctx); if (valid) { + // Query the actual number of samples. This can be greater than the requested + // value since the typically supported values are 0, 4, 8, ..., and the + // requests are mapped to the next supported value. funcs.glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_SAMPLES, &samples); color_buffer_guard = new QOpenGLSharedResourceGuard(ctx, color_buffer, freeRenderbufferFunc); } @@ -546,7 +550,10 @@ void QOpenGLFramebufferObjectPrivate::initTexture(GLenum target, GLenum internal void QOpenGLFramebufferObjectPrivate::initAttachments(QOpenGLContext *ctx, QOpenGLFramebufferObject::Attachment attachment) { - int samples = format.samples(); + // Use the same sample count for all attachments. format.samples() already contains + // the actual number of samples for the color attachment and is not suitable. Use + // requestedSamples instead. + const int samples = requestedSamples; // free existing attachments if (depth_buffer_guard) { |