diff options
author | cody glassman <glassmancody.info@gmail.com> | 2022-01-08 16:12:24 -0800 |
---|---|---|
committer | cody glassman <glassmancody.info@gmail.com> | 2022-01-08 16:12:24 -0800 |
commit | e32d3d11ce53e97c27a02047632a99f30bf1a470 (patch) | |
tree | e536d55c6c4b1b1378d05c7056539be085198c91 | |
parent | 99e4cbf51397b749f73b748418616aea48da09ef (diff) |
ensure readbuffer is bound before using glReadPixels
-rw-r--r-- | apps/openmw/mwrender/screenshotmanager.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/apps/openmw/mwrender/screenshotmanager.cpp b/apps/openmw/mwrender/screenshotmanager.cpp index 1973ca4025..5c3d925c9b 100644 --- a/apps/openmw/mwrender/screenshotmanager.cpp +++ b/apps/openmw/mwrender/screenshotmanager.cpp @@ -91,15 +91,18 @@ namespace MWRender int width = screenW - leftPadding*2; int height = screenH - topPadding*2; - // Ensure we are reading from the resolved framebuffer and not the multisampled render buffer when in use. - // glReadPixel() cannot read from multisampled targets. + // Ensure we are reading from the resolved framebuffer and not the multisampled render buffer. Also ensure that the readbuffer is set correctly with rendeirng to FBO. + // glReadPixel() cannot read from multisampled targets PostProcessor* postProcessor = dynamic_cast<PostProcessor*>(renderInfo.getCurrentCamera()->getUserData()); - if (postProcessor && postProcessor->getFbo() && postProcessor->getMsaaFbo()) + if (postProcessor && postProcessor->getFbo()) { osg::GLExtensions* ext = osg::GLExtensions::Get(renderInfo.getContextID(), false); if (ext) + { ext->glBindFramebuffer(GL_FRAMEBUFFER_EXT, postProcessor->getFbo()->getHandle(renderInfo.getContextID())); + renderInfo.getState()->glReadBuffer(GL_COLOR_ATTACHMENT0_EXT); + } } mImage->readPixels(leftPadding, topPadding, width, height, GL_RGB, GL_UNSIGNED_BYTE); |