76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/**
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* @file llwindowmesaheadless.cpp
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* @brief Platform-dependent implementation of llwindow
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "indra_constants.h"
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#include "llwindowmesaheadless.h"
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#include "llgl.h"
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#define MESA_CHANNEL_TYPE GL_UNSIGNED_SHORT
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#define MESA_CHANNEL_SIZE 2
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U16 *gMesaBuffer = NULL;
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//
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// LLWindowMesaHeadless
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//
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LLWindowMesaHeadless::LLWindowMesaHeadless(LLWindowCallbacks* callbacks,
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const std::string& title, const std::string& name, S32 x, S32 y, S32 width, S32 height,
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U32 flags, BOOL fullscreen, BOOL clearBg,
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const S32 vsync_mode, BOOL ignore_pixel_depth)
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: LLWindow(callbacks, fullscreen, flags)
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{
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LL_INFOS() << "MESA Init" << LL_ENDL;
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mMesaContext = OSMesaCreateContextExt( GL_RGBA, 32, 0, 0, NULL );
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/* Allocate the image buffer */
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mMesaBuffer = new unsigned char [width * height * 4 * MESA_CHANNEL_SIZE];
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llassert(mMesaBuffer);
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gMesaBuffer = (U16*)mMesaBuffer;
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/* Bind the buffer to the context and make it current */
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if (!OSMesaMakeCurrent( mMesaContext, mMesaBuffer, MESA_CHANNEL_TYPE, width, height ))
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{
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LL_ERRS() << "MESA: OSMesaMakeCurrent failed!" << LL_ENDL;
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}
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llverify(gGLManager.initGL());
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}
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LLWindowMesaHeadless::~LLWindowMesaHeadless()
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{
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delete mMesaBuffer;
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OSMesaDestroyContext( mMesaContext );
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}
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void LLWindowMesaHeadless::swapBuffers()
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{
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glFinish();
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}
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