1/* 2 * Mesa 3-D graphics library 3 * 4 * Copyright (C) 2016 Ilia Mirkin. All Rights Reserved. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 26/** 27 * \file bbox.c 28 * glPrimitiveBoundingBox function 29 */ 30 31#include "bbox.h" 32#include "context.h" 33 34void GLAPIENTRY 35_mesa_PrimitiveBoundingBox( 36 GLfloat minX, GLfloat minY, GLfloat minZ, GLfloat minW, 37 GLfloat maxX, GLfloat maxY, GLfloat maxZ, GLfloat maxW) 38{ 39 GET_CURRENT_CONTEXT(ctx); 40 41 ctx->PrimitiveBoundingBox[0] = minX; 42 ctx->PrimitiveBoundingBox[1] = minY; 43 ctx->PrimitiveBoundingBox[2] = minZ; 44 ctx->PrimitiveBoundingBox[3] = minW; 45 ctx->PrimitiveBoundingBox[4] = maxX; 46 ctx->PrimitiveBoundingBox[5] = maxY; 47 ctx->PrimitiveBoundingBox[6] = maxZ; 48 ctx->PrimitiveBoundingBox[7] = maxW; 49} 50 51void 52_mesa_init_bbox(struct gl_context *ctx) 53{ 54 ctx->PrimitiveBoundingBox[0] = 55 ctx->PrimitiveBoundingBox[1] = 56 ctx->PrimitiveBoundingBox[2] = -1.0f; 57 58 ctx->PrimitiveBoundingBox[3] = 59 ctx->PrimitiveBoundingBox[4] = 60 ctx->PrimitiveBoundingBox[5] = 61 ctx->PrimitiveBoundingBox[6] = 62 ctx->PrimitiveBoundingBox[7] = 1.0f; 63} 64