Windows NT 4.0 source code leak
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

92 lines
2.5 KiB

/*
** Copyright 1991, Silicon Graphics, Inc.
** All Rights Reserved.
**
** This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
** the contents of this file may not be disclosed to third parties, copied or
** duplicated in any form, in whole or in part, without the prior written
** permission of Silicon Graphics, Inc.
**
** RESTRICTED RIGHTS LEGEND:
** Use, duplication or disclosure by the Government is subject to restrictions
** as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
** and Computer Software clause at DFARS 252.227-7013, and/or in similar or
** successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
** rights reserved under the Copyright Laws of the United States.
**
** $Revision: 1.9 $
** $Date: 1993/09/03 11:33:12 $
*/
#include "precomp.h"
#pragma hdrstop
#ifdef NT_DEADCODE_CLEAR
void APIPRIVATE __glim_Clear(GLbitfield mask)
{
__GL_SETUP();
GLuint beginMode;
GLint i;
beginMode = gc->beginMode;
if (beginMode != __GL_NOT_IN_BEGIN) {
if (beginMode == __GL_NEED_VALIDATE) {
(*gc->procs.validate)(gc);
gc->beginMode = __GL_NOT_IN_BEGIN;
(*gc->dispatchState->dispatch->Clear)(mask);
return;
} else {
__glSetError(GL_INVALID_OPERATION);
return;
}
}
if (mask & ~(GL_COLOR_BUFFER_BIT | GL_ACCUM_BUFFER_BIT
| GL_STENCIL_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)) {
__glSetError(GL_INVALID_VALUE);
return;
}
if (gc->renderMode == GL_RENDER) {
if (mask & GL_COLOR_BUFFER_BIT) {
switch (gc->state.raster.drawBuffer) {
case GL_NONE:
break;
case GL_FRONT:
(*gc->front->clear)(gc->front);
break;
case GL_BACK:
if (gc->modes.doubleBufferMode) {
(*gc->back->clear)(gc->back);
}
break;
#if __GL_NUMBER_OF_AUX_BUFFERS > 0
case GL_AUX0:
case GL_AUX1:
case GL_AUX2:
case GL_AUX3:
i = gc->state.raster.drawBuffer - GL_AUX0;
if (i < gc->modes.maxAuxBuffers) {
(*gc->auxBuffer[i].clear)(&gc->auxBuffer[i]);
}
break;
#endif
case GL_FRONT_AND_BACK:
(*gc->front->clear)(gc->front);
if (gc->modes.doubleBufferMode) {
(*gc->back->clear)(gc->back);
}
break;
}
}
if ((mask & GL_ACCUM_BUFFER_BIT) && gc->modes.haveAccumBuffer) {
(*gc->accumBuffer.clear)(&gc->accumBuffer);
}
if ((mask & GL_STENCIL_BUFFER_BIT) && gc->modes.haveStencilBuffer) {
(*gc->stencilBuffer.clear)(&gc->stencilBuffer);
}
if ((mask & GL_DEPTH_BUFFER_BIT) && gc->modes.haveDepthBuffer) {
(*gc->depthBuffer.clear)(&gc->depthBuffer);
}
}
}
#endif // NT_DEADCODE_CLEAR