| /* |
| * 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 "glheader.h" |
| #include "glxclient.h" |
| #include "indirect.h" |
| |
| /** |
| * 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; |
| } |
| } |
