/* * Mesa 3-D graphics library * * Copyright (C) 2016 Ilia Mirkin. 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 * THE AUTHORS OR COPYRIGHT HOLDERS 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. */ /** * \file bbox.c * glPrimitiveBoundingBox function */ #include "bbox.h" #include "context.h" #include "api_exec_decl.h" void GLAPIENTRY _mesa_PrimitiveBoundingBox( GLfloat minX, GLfloat minY, GLfloat minZ, GLfloat minW, GLfloat maxX, GLfloat maxY, GLfloat maxZ, GLfloat maxW) { GET_CURRENT_CONTEXT(ctx); ctx->PrimitiveBoundingBox[0] = minX; ctx->PrimitiveBoundingBox[1] = minY; ctx->PrimitiveBoundingBox[2] = minZ; ctx->PrimitiveBoundingBox[3] = minW; ctx->PrimitiveBoundingBox[4] = maxX; ctx->PrimitiveBoundingBox[5] = maxY; ctx->PrimitiveBoundingBox[6] = maxZ; ctx->PrimitiveBoundingBox[7] = maxW; } void _mesa_init_bbox(struct gl_context *ctx) { ctx->PrimitiveBoundingBox[0] = ctx->PrimitiveBoundingBox[1] = ctx->PrimitiveBoundingBox[2] = -1.0f; ctx->PrimitiveBoundingBox[3] = ctx->PrimitiveBoundingBox[4] = ctx->PrimitiveBoundingBox[5] = ctx->PrimitiveBoundingBox[6] = ctx->PrimitiveBoundingBox[7] = 1.0f; }