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| author | apatrick@google.com <apatrick@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-11-25 00:01:32 +0000 |
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| committer | apatrick@google.com <apatrick@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2009-11-25 00:01:32 +0000 |
| commit | 96449d2cf2f37ffcab09ad8e15d9d6f3534271cb (patch) | |
| tree | 7d603b2bc43bea75362248d27e54c5ce51017fdf /gpu/command_buffer/service/x_utils.cc | |
| parent | fd50fb2b7e19a6589270a02a28fb4dea5b6f38d3 (diff) | |
| download | chromium_src-96449d2cf2f37ffcab09ad8e15d9d6f3534271cb.zip chromium_src-96449d2cf2f37ffcab09ad8e15d9d6f3534271cb.tar.gz chromium_src-96449d2cf2f37ffcab09ad8e15d9d6f3534271cb.tar.bz2 | |
Landing the GPU process and command buffer code again, this time with a DEPS file with the necessary include rules.
TEST=none
BUG=none
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33006 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'gpu/command_buffer/service/x_utils.cc')
| -rw-r--r-- | gpu/command_buffer/service/x_utils.cc | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/gpu/command_buffer/service/x_utils.cc b/gpu/command_buffer/service/x_utils.cc new file mode 100644 index 0000000..b9eb9d9 --- /dev/null +++ b/gpu/command_buffer/service/x_utils.cc @@ -0,0 +1,92 @@ +/* + * Copyright 2009, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +// This class implements the XWindowWrapper class. + +#include "gpu/command_buffer/service/precompile.h" +#include "gpu/command_buffer/common/cross/logging.h" +#include "gpu/command_buffer/service/linux/x_utils.h" + +namespace command_buffer { + +bool XWindowWrapper::Initialize() { + XWindowAttributes attributes; + XGetWindowAttributes(display_, window_, &attributes); + XVisualInfo visual_info_template; + visual_info_template.visualid = XVisualIDFromVisual(attributes.visual); + int visual_info_count = 0; + XVisualInfo *visual_info_list = XGetVisualInfo(display_, VisualIDMask, + &visual_info_template, + &visual_info_count); + DCHECK(visual_info_list); + DCHECK_GT(visual_info_count, 0); + context_ = 0; + for (int i = 0; i < visual_info_count; ++i) { + context_ = glXCreateContext(display_, visual_info_list + i, 0, + True); + if (context_) break; + } + XFree(visual_info_list); + if (!context_) { + DLOG(ERROR) << "Couldn't create GL context."; + return false; + } + return true; +} + +bool XWindowWrapper::MakeCurrent() { + if (glXMakeCurrent(display_, window_, context_) != True) { + glXDestroyContext(display_, context_); + context_ = 0; + DLOG(ERROR) << "Couldn't make context current."; + return false; + } + return true; +} + +void XWindowWrapper::Destroy() { + Bool result = glXMakeCurrent(display_, 0, 0); + // glXMakeCurrent isn't supposed to fail when unsetting the context, unless + // we have pending draws on an invalid window - which shouldn't be the case + // here. + DCHECK(result); + if (context_) { + glXDestroyContext(display_, context_); + context_ = 0; + } +} + +void XWindowWrapper::SwapBuffers() { + glXSwapBuffers(display_, window_); +} + +} // namespace command_buffer |