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- /*
- * (c) Copyright 1995, Silicon Graphics, Inc.
- * ALL RIGHTS RESERVED
- * Permission to use, copy, modify, and distribute this software for
- * any purpose and without fee is hereby granted, provided that the above
- * copyright notice appear in all copies and that both the copyright notice
- * and this permission notice appear in supporting documentation, and that
- * the name of Silicon Graphics, Inc. not be used in advertising
- * or publicity pertaining to distribution of the software without specific,
- * written prior permission.
- *
- * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
- * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
- * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
- * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
- * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
- * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
- * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
- * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
- * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- * US Government Users Restricted Rights
- * Use, duplication, or disclosure by the Government is subject to
- * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- * (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 or the DOD or NASA FAR Supplement.
- * Unpublished-- rights reserved under the copyright laws of the
- * United States. Contractor/manufacturer is Silicon Graphics,
- * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
- *
- * Author: John Spitzer, SGI Applied Engineering
- *
- */
-
- /* Define calls if using function pointers or not */
- #ifdef FUNCTION_PTRS
- #ifdef MULTIIMAGE
- #define DRAWPIX_CALL (*drawPixels)(width, height, format, type, *imagePtr++);
- #else
- #define DRAWPIX_CALL (*drawPixels)(width, height, format, type, image);
- #endif
- #define PIXELSTORE_CALL (*pixelStore)
- #if (RASTERPOS_DIM == 2)
- #define RASTERPOS_CALL (*rasterPos2fv)(posPtr); posPtr += 2;
- #else
- #define RASTERPOS_CALL (*rasterPos3fv)(posPtr); posPtr += 3;
- #endif
- #else
- #ifdef MULTIIMAGE
- #define DRAWPIX_CALL glDrawPixels(width, height, format, type, *imagePtr++);
- #else
- #define DRAWPIX_CALL glDrawPixels(width, height, format, type, image);
- #endif
- #define PIXELSTORE_CALL glPixelStorei
- #if (RASTERPOS_DIM == 2)
- #define RASTERPOS_CALL glRasterPos2fv(posPtr); posPtr += 2;
- #else
- #define RASTERPOS_CALL glRasterPos3fv(posPtr); posPtr += 3;
- #endif
- #endif
-
- void FUNCTION (TestPtr thisTest)
- {
- DrawPixelsPtr this = (DrawPixelsPtr)thisTest;
- int iterations = this->iterations;
- int numDrawn = this->numDrawn;
- int width = this->drawPixelsWidth;
- int height = this->drawPixelsHeight;
- #ifdef SUBIMAGE
- GLint imageWidth = this->image_DrawPixels.imageWidth;
- #endif
- int format = this->image_DrawPixels.imageFormat;
- int type = this->image_DrawPixels.imageType;
- int i,j;
- #ifdef MULTIIMAGE
- int numObjects = this->numObjects;
- int k;
- void **imageData = this->imageData;
- void **imagePtr = imageData;
- #else
- void *image = *(this->imageData);
- #endif
- #ifdef SUBIMAGE
- GLint *subImageData = this->subImageData;
- GLint *subPtr = subImageData;
- #endif
- GLfloat *traversalData = this->traversalData;
- GLfloat *posPtr = traversalData;
- #ifdef FUNCTION_PTRS
- #ifdef WIN32
- void (APIENTRY *drawPixels)(GLsizei, GLsizei, GLenum, GLenum, const GLvoid*) = glDrawPixels;
- void (APIENTRY *pixelStore)(GLenum, GLint) = glPixelStorei;
- #if (RASTERPOS_DIM == 2)
- void (APIENTRY *rasterPos2fv)(const GLfloat*) = glRasterPos2fv;
- #else
- void (APIENTRY *rasterPos3fv)(const GLfloat*) = glRasterPos3fv;
- #endif
- #else
- void (*drawPixels)(GLsizei, GLsizei, GLenum, GLenum, const GLvoid*) = glDrawPixels;
- void (*pixelStore)(GLenum, GLint) = glPixelStorei;
- #if (RASTERPOS_DIM == 2)
- void (*rasterPos2fv)(const GLfloat*) = glRasterPos2fv;
- #else
- void (*rasterPos3fv)(const GLfloat*) = glRasterPos3fv;
- #endif
- #endif
- #endif
-
- #ifdef SUBIMAGE
- PIXELSTORE_CALL(GL_UNPACK_ROW_LENGTH, imageWidth);
- #endif
- for (i = iterations; i > 0; i--) {
- for (j = numDrawn; j > 0; j--) {
- #ifdef SUBIMAGE
- PIXELSTORE_CALL(GL_UNPACK_SKIP_PIXELS, *subPtr++);
- PIXELSTORE_CALL(GL_UNPACK_SKIP_ROWS, *subPtr++);
- #endif
- RASTERPOS_CALL
- #ifdef MULTIIMAGE
- for (k = numObjects; k > 0; k--)
- #endif
- DRAWPIX_CALL
- #ifdef MULTIIMAGE
- imagePtr = imageData;
- #endif
- }
- posPtr = traversalData;
- #ifdef SUBIMAGE
- subPtr = subImageData;
- #endif
- }
- }
-
- #undef DRAWPIX_CALL
- #undef PIXELSTORE_CALL
- #undef RASTERPOS_CALL
-