diff options
Diffstat (limited to 'GL/glx/glxfb.c')
| -rw-r--r-- | GL/glx/glxfb.c | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/GL/glx/glxfb.c b/GL/glx/glxfb.c deleted file mode 100644 index 0d433d25d..000000000 --- a/GL/glx/glxfb.c +++ /dev/null @@ -1,183 +0,0 @@ -/* $XFree86$ */ -/* -** License Applicability. Except to the extent portions of this file are -** made subject to an alternative license as permitted in the SGI Free -** Software License B, Version 1.1 (the "License"), the contents of this -** file are subject only to the provisions of the License. You may not use -** this file except in compliance with the License. You may obtain a copy -** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 -** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: -** -** http://oss.sgi.com/projects/FreeB -** -** Note that, as provided in the License, the Software is distributed on an -** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS -** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND -** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A -** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. -** -** Original Code. The Original Code is: OpenGL Sample Implementation, -** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, -** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. -** Copyright in any portions created by third parties is as indicated -** elsewhere herein. All Rights Reserved. -** -** Additional Notice Provisions: The application programming interfaces -** established by SGI in conjunction with the Original Code are The -** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released -** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version -** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X -** Window System(R) (Version 1.3), released October 19, 1998. This software -** was created using the OpenGL(R) version 1.2.1 Sample Implementation -** published by SGI, but has not been independently verified as being -** compliant with the OpenGL(R) version 1.2.1 Specification. -** -*/ - -/* -** An implementation of a buffer which is part of the front buffer -*/ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include "glxserver.h" -#include "glxutil.h" -#include "glxfb.h" - -#include <gcstruct.h> - -/* so we don't include glmath.h */ -extern GLuint __glFloorLog2(GLuint); - -typedef struct __GLFBbufferInfoRec { - GCPtr pGC; -} __GLFBbufferInfo; - -extern PixmapPtr __glXPrivPixGetPtr(__GLdrawableBuffer *); - -/* ---------------------------------------------------------- */ - -static GLboolean -Resize(__GLdrawableBuffer *buf, - GLint x, GLint y, GLuint width, GLuint height, - __GLdrawablePrivate *glPriv, GLuint bufferMask) -{ - buf->width = width; - buf->height = height; - buf->byteWidth = width * buf->elementSize; - buf->outerWidth = width; - - return GL_TRUE; -} - -static void -Lock(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv) -{ -} - -static void -Unlock(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv) -{ -} - -/* -** Do a swap buffer with -** a memory surface as a back buffer -** a FB surface as a front buffer -*/ -GLboolean -__glXFBMemSwapBuffers(__GLXdrawablePrivate *glxPriv) -{ - __GLdrawablePrivate *glPriv = &glxPriv->glPriv; - __GLdrawableBuffer *front = &glPriv->frontBuffer; - __GLdrawableBuffer *back = &glPriv->backBuffer; - __GLFBbufferInfo *bufferInfo; - GCPtr pGC; - GLint width, height, depth, pad; - GLubyte *buf; - - bufferInfo = (__GLFBbufferInfo *) front->other; - pGC = bufferInfo->pGC; - - width = back->width; - height = back->height; - depth = back->depth; - buf = back->base; - pad = back->outerWidth - back->width; /* back buffer padding */ - /* adjust buffer padding. X wants left, GL has right */ - buf -= pad; - - ValidateGC(glxPriv->pDraw, pGC); - (*pGC->ops->PutImage)(glxPriv->pDraw, pGC, - depth, - 0, 0, width, height, - pad, ZPixmap, - (char *)buf); - - return GL_TRUE; -} - -static void -Free(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv) -{ - __GLFBbufferInfo *bufferInfo; - - bufferInfo = (__GLFBbufferInfo *) buf->other; - - if (bufferInfo->pGC) { - FreeScratchGC(bufferInfo->pGC); - } - - __glXFree(bufferInfo); - buf->other = NULL; -} - -/* -** function to return the X GC of this buffer (to be used by DDX) -*/ -GCPtr __glXFBGetGC(__GLdrawableBuffer *buf) -{ - __GLFBbufferInfo *bufferInfo; - - bufferInfo = (__GLFBbufferInfo *) buf->other; - - if (bufferInfo) { - return bufferInfo->pGC; - } else { - return NULL; - } -} - - -void -__glXInitFB(__GLdrawableBuffer *buf, __GLdrawablePrivate *glPriv, GLint bits) -{ - __GLFBbufferInfo *bufferInfo; - __GLXdrawablePrivate *glxPriv = (__GLXdrawablePrivate *) glPriv->other; - GCPtr pGC; - - buf->depth = bits; - buf->width = buf->height = 0; /* to be filled during Update */ - buf->handle = buf->base = NULL; /* to be filled during Update */ - buf->size = 0; - buf->byteWidth = 0; - buf->elementSize = ((bits-1) / 8) + 1; - buf->elementSizeLog2 = __glFloorLog2(buf->elementSize); - - buf->resize = Resize; - buf->lock = Lock; - buf->unlock = Unlock; - buf->fill = NULL; - buf->free = Free; - - /* allocate local information */ - bufferInfo = (__GLFBbufferInfo *) __glXMalloc(sizeof(__GLFBbufferInfo)); - buf->other = (void *) bufferInfo; - - pGC = CreateScratchGC(glxPriv->pDraw->pScreen, - glxPriv->pDraw->depth); - bufferInfo->pGC = pGC; - (*pGC->funcs->ChangeClip)(pGC, CT_NONE, NULL, 0); -} |