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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- * Unpublished-- rights reserved under the copyright laws of the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
- *
- */
- #include <math.h>
- #include "Bitmap.h"
- #include "BitmapX.h"
-
- #undef offset
- #define offset(v) offsetof(Bitmap, v)
-
- static InfoItem BitmapInfo[] = {
- #define INC_REASON INFO_ITEM_ARRAY
- #include "Bitmap.h"
- #undef INC_REASON
- };
- #include <malloc.h>
-
- BitmapPtr new_Bitmap()
- {
- BitmapPtr this = (BitmapPtr)malloc(sizeof(Bitmap));
- ImagePtr thisImage = (ImagePtr)(&this->image_Bitmap);
-
- CheckMalloc(this);
- new_RasterPos((RasterPosPtr)this);
- new_Image(thisImage);
- SetDefaults((TestPtr)this, BitmapInfo);
- this->testType = BitmapTest;
- this->subImage = False;
- this->traversalData = 0;
- this->subImageData = 0;
- this->imageData = 0;
- this->usecPixelPrint = " microseconds per pixel with Bitmap";
- this->ratePixelPrint = " pixels per second with Bitmap";
- this->usecPrint = " microseconds per Bitmap image";
- this->ratePrint = " Bitmap images per second";
- /* Set virtual functions */
- this->SetState = Bitmap__SetState;
- this->delete = delete_Bitmap;
- this->Copy = Bitmap__Copy;
- this->Initialize = Bitmap__Initialize;
- this->Cleanup = Bitmap__Cleanup;
- this->SetExecuteFunc = Bitmap__SetExecuteFunc;
- this->PixelSize = Bitmap__Size;
- this->TimesRun = Bitmap__TimesRun;
- return this;
- }
-
- void delete_Bitmap(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- ImagePtr thisImage = (ImagePtr)(&this->image_Bitmap);
-
- delete_Image(thisImage);
- delete_RasterPos(thisTest);
- }
-
- TestPtr Bitmap__Copy(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- BitmapPtr newBitmap = new_Bitmap();
- FreeStrings((TestPtr)newBitmap);
- *newBitmap = *this;
- CopyStrings((TestPtr)newBitmap, (TestPtr)this);
- return (TestPtr)newBitmap;
- }
-
- void Bitmap__Initialize(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- int windowDim = min(this->environ.windowWidth, this->environ.windowHeight);
- int windowArea = windowDim * windowDim;
- GLint *intTraversalData;
- GLint *srcPtr;
- GLfloat *dstPtr;
- int i;
-
- if (this->image_Bitmap.imageWidth > windowDim)
- this->image_Bitmap.imageWidth = windowDim;
- if (this->image_Bitmap.imageHeight > windowDim)
- this->image_Bitmap.imageHeight = windowDim;
-
- /* Source image is imageWidth by imageHeight,
- * The portion drawn by glBitmap is bitmapWidth by bitmapHeight */
- if (this->bitmapWidth != -1) {
- this->subImage = True;
- } else {
- this->bitmapWidth = this->image_Bitmap.imageWidth;
- }
- if (this->bitmapHeight != -1) {
- this->subImage = True;
- } else {
- this->bitmapHeight = this->image_Bitmap.imageHeight;
-
- }
-
- /* Layout RasterPos coordinates */
- this->numDrawn = 0;
- intTraversalData = CreateSubImageData(windowDim, windowDim,
- (float)this->bitmapWidth,
- (float)this->bitmapHeight,
- this->acceptObjs, this->rejectObjs, this->clipObjs,
- this->clipMode, this->clipAmount, this->drawOrder==Spaced,
- this->memAlignment, &this->numDrawn);
-
- /* Convert RasterPos coordinates to NDC */
- this->traversalData = (GLfloat*)AlignMalloc(sizeof(GLfloat) * this->rasterPosDim * this->numDrawn, this->memAlignment);
- srcPtr = intTraversalData;
- dstPtr = this->traversalData;
- for (i = 0; i < this->numDrawn; i++) {
- *dstPtr++ = ((double)(*srcPtr++) + .375) / (double)windowDim * 2. - 1.;
- *dstPtr++ = ((double)(*srcPtr++) + .375) / (double)windowDim * 2. - 1.;
-
- }
- AlignFree(intTraversalData);
-
- /* Add color and z coordinate if necessary */
- RasterPos__AddTraversalData((RasterPosPtr)this);
-
- Bitmap__CreateImageData(this);
-
- /* Layout offsets in source image for subimage draws.
- * All the subimages should lie entirely within the source image, so 100% of
- * our offsets should be "accepted". numDrawn taken from RasterPos layout above.
- */
- if (this->subImage) {
- this->subImageData = CreateSubImageData(this->image_Bitmap.imageWidth,
- this->image_Bitmap.imageHeight,
- this->bitmapWidth,
- this->bitmapHeight,
- 1., 0., 0., Random, 0., this->drawOrder==Spaced,
- this->memAlignment, &this->numDrawn);
- }
- }
-
- void Bitmap__Cleanup(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- int i;
-
- if (this->traversalData) AlignFree(this->traversalData);
- if (this->subImageData) AlignFree(this->subImageData);
- if (this->imageData) {
- void **imageDataPtr = this->imageData;
- for (i = 0; i < this->numObjects; i++) AlignFree(*imageDataPtr++);
- free(this->imageData);
- }
- }
-
- int Bitmap__SetState(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- ImagePtr thisImage = (ImagePtr)(&this->image_Bitmap);
-
- /* set parent state */
- if (RasterPos__SetState(thisTest) == -1) return -1;
-
- /* set other inherited classes' states */
- if (Image__SetState(thisImage) == -1) return -1;
-
- /* set own state */
-
- return 0;
- }
-
- void Bitmap__SetExecuteFunc(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- BitmapFunc function;
-
- function.word = 0;
-
- function.bits.functionPtrs = this->loopFuncPtrs;
- function.bits.subimage = this->subImage;
- function.bits.multiimage = (this->numObjects > 1);
- function.bits.colorData = (this->colorData == PerRasterPos) ? PER_RASTERPOS : NONE;
- function.bits.visual = this->environ.bufConfig.rgba ? RGB : CI;
-
- /* Dimensions of data to be traversed */
- function.bits.rasterPosDim = this->rasterPosDim - 2;
- function.bits.colorDim = this->colorDim - 3;
-
- this->Execute = BitmapExecuteTable[function.word];
- }
-
- int Bitmap__TimesRun(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- return this->numDrawn;
- }
-
- float Bitmap__Size(TestPtr thisTest)
- {
- BitmapPtr this = (BitmapPtr)thisTest;
- int accept = this->acceptObjs * (float)(this->numDrawn);
- int reject = this->rejectObjs * (float)(this->numDrawn);
- int clip = this->clipObjs * (float)(this->numDrawn);
- float size = (float)this->bitmapWidth * (float)this->bitmapHeight;
- float acceptSize, clipSize;
-
- accept += this->numDrawn - accept - reject - clip;
-
- acceptSize = (float)accept * size;
- clipSize = (float)clip * (1. - this->clipAmount) * size;
-
- return (acceptSize + clipSize)/(float)this->numDrawn;
- }
-
- void Bitmap__CreateImageData(BitmapPtr this)
- {
- int i;
- void **imagePtr;
- int imageSize;
- void *image;
-
- this->imageData = (void**)malloc(sizeof(void*) * this->numObjects);
- CheckMalloc(this->imageData);
- imagePtr = this->imageData;
- if (this->numObjects)
- image = new_ImageData(
- this->image_Bitmap.imageWidth,
- this->image_Bitmap.imageHeight,
- GL_COLOR_INDEX,
- GL_BITMAP,
- this->image_Bitmap.imageAlignment,
- this->image_Bitmap.imageSwapBytes,
- this->image_Bitmap.imageLSBFirst,
- this->memAlignment,
- &imageSize);
- *imagePtr++ = image;
- for (i = 1; i < this->numObjects; i++) {
- *imagePtr = AlignMalloc(imageSize, this->memAlignment);
- memcpy(*imagePtr, image, imageSize);
- imagePtr++;
- }
- }
-