diff options
Diffstat (limited to 'src/glx/x11/pixelstore.c')
| -rw-r--r-- | src/glx/x11/pixelstore.c | 586 |
1 files changed, 299 insertions, 287 deletions
diff --git a/src/glx/x11/pixelstore.c b/src/glx/x11/pixelstore.c index 6f25ed786e..0eb31bf1e3 100644 --- a/src/glx/x11/pixelstore.c +++ b/src/glx/x11/pixelstore.c @@ -1,37 +1,32 @@ /* -** 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. -** -*/ + * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) + * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice including the dates of first publication and + * either this permission notice or a reference to + * http://oss.sgi.com/projects/FreeB/ + * shall be included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF + * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + * + * Except as contained in this notice, the name of Silicon Graphics, Inc. + * shall not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization from + * Silicon Graphics, Inc. + */ #include "glxclient.h" #include "indirect.h" @@ -47,148 +42,157 @@ * \sa __indirect_glPixelStorei, __indirect_glPixelStoref */ static void -send_PixelStore( __GLXcontext * gc, unsigned sop, GLenum pname, - const void * param ) +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; + 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) +void +__indirect_glPixelStoref(GLenum pname, GLfloat param) { - __GLXcontext *gc = __glXGetCurrentContext(); - __GLXattribute * state = gc->client_state_private; - Display *dpy = gc->currentDpy; - GLuint a; + __GLXcontext *gc = __glXGetCurrentContext(); + __GLXattribute *state = gc->client_state_private; + Display *dpy = gc->currentDpy; + GLuint a; - if (!dpy) return; + 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; + 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; + 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 @@ -196,128 +200,136 @@ void __indirect_glPixelStoref(GLenum pname, GLfloat param) * 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; + case GL_PACK_INVERT_MESA: + send_PixelStore(gc, X_GLsop_PixelStoref, pname, ¶m); + break; - default: - __glXSetError(gc, GL_INVALID_ENUM); - break; - } + default: + __glXSetError(gc, GL_INVALID_ENUM); + break; + } } -void __indirect_glPixelStorei(GLenum pname, GLint param) +void +__indirect_glPixelStorei(GLenum pname, GLint param) { - __GLXcontext *gc = __glXGetCurrentContext(); - __GLXattribute * state = gc->client_state_private; - Display *dpy = gc->currentDpy; + __GLXcontext *gc = __glXGetCurrentContext(); + __GLXattribute *state = gc->client_state_private; + Display *dpy = gc->currentDpy; - if (!dpy) return; + 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; + 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; + 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 @@ -325,12 +337,12 @@ void __indirect_glPixelStorei(GLenum pname, GLint param) * 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; + case GL_PACK_INVERT_MESA: + send_PixelStore(gc, X_GLsop_PixelStorei, pname, ¶m); + break; - default: - __glXSetError(gc, GL_INVALID_ENUM); - break; - } + default: + __glXSetError(gc, GL_INVALID_ENUM); + break; + } } |