From 78bb78d1c3f3d0e41b647ea32f5dd57b986744de Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 10 Nov 2000 18:05:13 +0000 Subject: [PATCH] renamed to histogram --- src/mesa/swrast/s_imaging.c | 106 ------------------------------------ 1 file changed, 106 deletions(-) delete mode 100644 src/mesa/swrast/s_imaging.c diff --git a/src/mesa/swrast/s_imaging.c b/src/mesa/swrast/s_imaging.c deleted file mode 100644 index 1b83a3c54c2..00000000000 --- a/src/mesa/swrast/s_imaging.c +++ /dev/null @@ -1,106 +0,0 @@ -/* $Id: s_imaging.c,v 1.2 2000/11/05 18:24:40 keithw Exp $ */ - -/* - * Mesa 3-D graphics library - * Version: 3.4 - * - * Copyright (C) 1999-2000 Brian Paul 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 and this permission notice 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 - * BRIAN PAUL 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. - */ - - -/* - * Histogram, Min/max and convolution for GL_ARB_imaging subset - * - */ - - -#include "glheader.h" -#include "colormac.h" -#include "image.h" -#include "mmath.h" - -#include "s_context.h" -#include "s_imaging.h" -#include "s_span.h" - - - -/* - * Update the min/max values from an array of fragment colors. - */ -void -_mesa_update_minmax(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]) -{ - GLuint i; - for (i = 0; i < n; i++) { - /* update mins */ - if (rgba[i][RCOMP] < ctx->MinMax.Min[RCOMP]) - ctx->MinMax.Min[RCOMP] = rgba[i][RCOMP]; - if (rgba[i][GCOMP] < ctx->MinMax.Min[GCOMP]) - ctx->MinMax.Min[GCOMP] = rgba[i][GCOMP]; - if (rgba[i][BCOMP] < ctx->MinMax.Min[BCOMP]) - ctx->MinMax.Min[BCOMP] = rgba[i][BCOMP]; - if (rgba[i][ACOMP] < ctx->MinMax.Min[ACOMP]) - ctx->MinMax.Min[ACOMP] = rgba[i][ACOMP]; - - /* update maxs */ - if (rgba[i][RCOMP] > ctx->MinMax.Max[RCOMP]) - ctx->MinMax.Max[RCOMP] = rgba[i][RCOMP]; - if (rgba[i][GCOMP] > ctx->MinMax.Max[GCOMP]) - ctx->MinMax.Max[GCOMP] = rgba[i][GCOMP]; - if (rgba[i][BCOMP] > ctx->MinMax.Max[BCOMP]) - ctx->MinMax.Max[BCOMP] = rgba[i][BCOMP]; - if (rgba[i][ACOMP] > ctx->MinMax.Max[ACOMP]) - ctx->MinMax.Max[ACOMP] = rgba[i][ACOMP]; - } -} - - -/* - * Update the histogram values from an array of fragment colors. - */ -void -_mesa_update_histogram(GLcontext *ctx, GLuint n, const GLfloat rgba[][4]) -{ - const GLint max = ctx->Histogram.Width - 1; - GLfloat w = (GLfloat) max; - GLuint i; - - if (ctx->Histogram.Width == 0) - return; - - for (i = 0; i < n; i++) { - GLint ri = (GLint) (rgba[i][RCOMP] * w + 0.5F); - GLint gi = (GLint) (rgba[i][GCOMP] * w + 0.5F); - GLint bi = (GLint) (rgba[i][BCOMP] * w + 0.5F); - GLint ai = (GLint) (rgba[i][ACOMP] * w + 0.5F); - ri = CLAMP(ri, 0, max); - gi = CLAMP(gi, 0, max); - bi = CLAMP(bi, 0, max); - ai = CLAMP(ai, 0, max); - ctx->Histogram.Count[ri][RCOMP]++; - ctx->Histogram.Count[gi][GCOMP]++; - ctx->Histogram.Count[bi][BCOMP]++; - ctx->Histogram.Count[ai][ACOMP]++; - } -} - - - -- 2.30.2