85 lines
2.6 KiB
C++
85 lines
2.6 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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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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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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BOOL disable_vsync, BOOL use_gl, BOOL ignore_pixel_depth)
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: LLWindow(callbacks, fullscreen, flags)
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{
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if (use_gl)
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{
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llinfos << "MESA Init" << llendl;
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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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llerrs << "MESA: OSMesaMakeCurrent failed!" << llendl;
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}
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llverify(gGLManager.initGL());
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}
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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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