65 lines
1.4 KiB
C++
65 lines
1.4 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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* Copyright (c) 2001-$CurrentYear$, Linden Research, Inc.
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* $License$
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*/
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#if LL_MESA_HEADLESS
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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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#include "llglheaders.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(char *title, char *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(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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#endif
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