Second Life viewer sources 1.13.2.12

1 files changed, 83 insertions, 0 deletions

diff --git a/linden/indra/llwindow/llwindowmesaheadless.cpp b/linden/indra/llwindow/llwindowmesaheadless.cpp
new file mode 100644
index 0000000..7e5f4b0
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+++ b/linden/indra/llwindow/llwindowmesaheadless.cpp
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+/** 
+ * @file llwindowmesaheadless.cpp
+ * @brief Platform-dependent implementation of llwindow
+ *
+ * Copyright (c) 2001-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#if LL_MESA_HEADLESS
+
+#include "linden_common.h"
+#include "indra_constants.h"
+
+#include "llwindowmesaheadless.h"
+#include "llgl.h"
+#include "llglheaders.h"
+
+#define MESA_CHANNEL_TYPE GL_UNSIGNED_SHORT
+#define MESA_CHANNEL_SIZE 2
+
+U16 *gMesaBuffer = NULL;
+
+//
+// LLWindowMesaHeadless
+//
+LLWindowMesaHeadless::LLWindowMesaHeadless(char *title, char *name, S32 x, S32 y, S32 width, S32 height,
+                                                         U32 flags,  BOOL fullscreen, BOOL clearBg,
+                                                         BOOL disable_vsync, BOOL use_gl, BOOL ignore_pixel_depth)
+        : LLWindow(fullscreen, flags)
+{
+        if (use_gl)
+        {
+                llinfos << "MESA Init" << llendl;
+                mMesaContext = OSMesaCreateContextExt( GL_RGBA, 32, 0, 0, NULL );
+
+                /* Allocate the image buffer */
+                mMesaBuffer = new unsigned char [width * height * 4 * MESA_CHANNEL_SIZE];
+                llassert(mMesaBuffer);
+
+                gMesaBuffer = (U16*)mMesaBuffer;
+
+                /* Bind the buffer to the context and make it current */
+                if (!OSMesaMakeCurrent( mMesaContext, mMesaBuffer, MESA_CHANNEL_TYPE, width, height ))
+                {
+                        llerrs << "MESA: OSMesaMakeCurrent failed!" << llendl;
+                }
+
+                llverify(gGLManager.initGL());
+        }
+}
+
+
+LLWindowMesaHeadless::~LLWindowMesaHeadless()
+{
+        delete mMesaBuffer;
+        OSMesaDestroyContext( mMesaContext );
+}
+
+void LLWindowMesaHeadless::swapBuffers()
+{
+        glFinish();
+}
+
+#endif