From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/extras/Mesa/src/glx/x11/pixelstore.c | 341 ++++++++++++++++++++++++++++ 1 file changed, 341 insertions(+) create mode 100644 nx-X11/extras/Mesa/src/glx/x11/pixelstore.c (limited to 'nx-X11/extras/Mesa/src/glx/x11/pixelstore.c') diff --git a/nx-X11/extras/Mesa/src/glx/x11/pixelstore.c b/nx-X11/extras/Mesa/src/glx/x11/pixelstore.c new file mode 100644 index 000000000..8996ee879 --- /dev/null +++ b/nx-X11/extras/Mesa/src/glx/x11/pixelstore.c @@ -0,0 +1,341 @@ +/* $XFree86: xc/lib/GL/glx/pixelstore.c,v 1.4 2004/01/28 18:11:43 alanh Exp $ */ +/* +** 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. +** +*/ + +#include "glxclient.h" +#include "indirect.h" + +#if !defined __GNUC__ || __GNUC__ < 3 +# define __builtin_expect(x, y) x +#endif + +/** + * Send glPixelStore command to the server + * + * \param gc Current GLX context + * \param sop Either \c X_GLsop_PixelStoref or \c X_GLsop_PixelStorei + * \param pname Selector of which pixel parameter is to be set. + * \param param Value that \c pname is set to. + * + * \sa __indirect_glPixelStorei, __indirect_glPixelStoref + */ +static void +send_PixelStore( __GLXcontext * gc, unsigned sop, GLenum pname, + const void * param ) +{ + Display * const dpy = gc->currentDpy; + const GLuint cmdlen = 8; + if (__builtin_expect(dpy != NULL, 1)) { + GLubyte const * pc = __glXSetupSingleRequest(gc, sop, cmdlen); + (void) memcpy((void *)(pc + 0), (void *)(&pname), 4); + (void) memcpy((void *)(pc + 4), param, 4); + UnlockDisplay(dpy); SyncHandle(); + } + return; +} + +/* +** Specify parameters that control the storage format of pixel arrays. +*/ +void __indirect_glPixelStoref(GLenum pname, GLfloat param) +{ + __GLXcontext *gc = __glXGetCurrentContext(); + __GLXattribute * state = gc->client_state_private; + Display *dpy = gc->currentDpy; + GLuint a; + + if (!dpy) return; + + switch (pname) { + case GL_PACK_ROW_LENGTH: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.rowLength = a; + break; + case GL_PACK_IMAGE_HEIGHT: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.imageHeight = a; + break; + case GL_PACK_SKIP_ROWS: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.skipRows = a; + break; + case GL_PACK_SKIP_PIXELS: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.skipPixels = a; + break; + case GL_PACK_SKIP_IMAGES: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.skipImages = a; + break; + case GL_PACK_ALIGNMENT: + a = (GLint) (param + 0.5); + switch (a) { + case 1: case 2: case 4: case 8: + state->storePack.alignment = a; + break; + default: + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + break; + case GL_PACK_SWAP_BYTES: + state->storePack.swapEndian = (param != 0); + break; + case GL_PACK_LSB_FIRST: + state->storePack.lsbFirst = (param != 0); + break; + + case GL_UNPACK_ROW_LENGTH: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.rowLength = a; + break; + case GL_UNPACK_IMAGE_HEIGHT: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.imageHeight = a; + break; + case GL_UNPACK_SKIP_ROWS: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.skipRows = a; + break; + case GL_UNPACK_SKIP_PIXELS: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.skipPixels = a; + break; + case GL_UNPACK_SKIP_IMAGES: + a = (GLuint) (param + 0.5); + if (((GLint) a) < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.skipImages = a; + break; + case GL_UNPACK_ALIGNMENT: + a = (GLint) (param + 0.5); + switch (a) { + case 1: case 2: case 4: case 8: + state->storeUnpack.alignment = a; + break; + default: + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + break; + case GL_UNPACK_SWAP_BYTES: + state->storeUnpack.swapEndian = (param != 0); + break; + case GL_UNPACK_LSB_FIRST: + state->storeUnpack.lsbFirst = (param != 0); + break; + + /* Group all of the pixel store modes that need to be sent to the + * server here. Care must be used to only send modes to the server that + * won't affect the size of the data sent to or received from the + * server. GL_PACK_INVERT_MESA is safe in this respect, but other, + * future modes may not be. + */ + case GL_PACK_INVERT_MESA: + send_PixelStore( gc, X_GLsop_PixelStoref, pname, & param ); + break; + + default: + __glXSetError(gc, GL_INVALID_ENUM); + break; + } +} + +void __indirect_glPixelStorei(GLenum pname, GLint param) +{ + __GLXcontext *gc = __glXGetCurrentContext(); + __GLXattribute * state = gc->client_state_private; + Display *dpy = gc->currentDpy; + + if (!dpy) return; + + switch (pname) { + case GL_PACK_ROW_LENGTH: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.rowLength = param; + break; + case GL_PACK_IMAGE_HEIGHT: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.imageHeight = param; + break; + case GL_PACK_SKIP_ROWS: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.skipRows = param; + break; + case GL_PACK_SKIP_PIXELS: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.skipPixels = param; + break; + case GL_PACK_SKIP_IMAGES: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storePack.skipImages = param; + break; + case GL_PACK_ALIGNMENT: + switch (param) { + case 1: case 2: case 4: case 8: + state->storePack.alignment = param; + break; + default: + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + break; + case GL_PACK_SWAP_BYTES: + state->storePack.swapEndian = (param != 0); + break; + case GL_PACK_LSB_FIRST: + state->storePack.lsbFirst = (param != 0); + break; + + case GL_UNPACK_ROW_LENGTH: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.rowLength = param; + break; + case GL_UNPACK_IMAGE_HEIGHT: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.imageHeight = param; + break; + case GL_UNPACK_SKIP_ROWS: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.skipRows = param; + break; + case GL_UNPACK_SKIP_PIXELS: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.skipPixels = param; + break; + case GL_UNPACK_SKIP_IMAGES: + if (param < 0) { + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + state->storeUnpack.skipImages = param; + break; + case GL_UNPACK_ALIGNMENT: + switch (param) { + case 1: case 2: case 4: case 8: + state->storeUnpack.alignment = param; + break; + default: + __glXSetError(gc, GL_INVALID_VALUE); + return; + } + break; + case GL_UNPACK_SWAP_BYTES: + state->storeUnpack.swapEndian = (param != 0); + break; + case GL_UNPACK_LSB_FIRST: + state->storeUnpack.lsbFirst = (param != 0); + break; + + /* Group all of the pixel store modes that need to be sent to the + * server here. Care must be used to only send modes to the server that + * won't affect the size of the data sent to or received from the + * server. GL_PACK_INVERT_MESA is safe in this respect, but other, + * future modes may not be. + */ + case GL_PACK_INVERT_MESA: + send_PixelStore( gc, X_GLsop_PixelStorei, pname, & param ); + break; + + default: + __glXSetError(gc, GL_INVALID_ENUM); + break; + } +} -- cgit v1.2.3