1/************************************************************************** 2 * 3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4 * 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 8 * "Software"), to deal in the Software without restriction, including 9 * without limitation the rights to use, copy, modify, merge, publish, 10 * distribute, sub license, and/or sell copies of the Software, and to 11 * permit persons to whom the Software is furnished to do so, subject to 12 * the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25 * 26 **************************************************************************/ 27 28/* Authors: Keith Whitwell <keith@tungstengraphics.com> 29 */ 30#include "lp_context.h" 31#include "lp_state.h" 32#include "draw/draw_context.h" 33 34 35static void 36llvmpipe_set_clip_state(struct pipe_context *pipe, 37 const struct pipe_clip_state *clip) 38{ 39 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 40 41 /* pass the clip state to the draw module */ 42 draw_set_clip_state(llvmpipe->draw, clip); 43} 44 45 46static void 47llvmpipe_set_viewport_state(struct pipe_context *pipe, 48 const struct pipe_viewport_state *viewport) 49{ 50 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 51 52 /* pass the viewport info to the draw module */ 53 draw_set_viewport_state(llvmpipe->draw, viewport); 54 55 llvmpipe->viewport = *viewport; /* struct copy */ 56 llvmpipe->dirty |= LP_NEW_VIEWPORT; 57} 58 59 60static void 61llvmpipe_set_scissor_state(struct pipe_context *pipe, 62 const struct pipe_scissor_state *scissor) 63{ 64 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 65 66 draw_flush(llvmpipe->draw); 67 68 llvmpipe->scissor = *scissor; /* struct copy */ 69 llvmpipe->dirty |= LP_NEW_SCISSOR; 70} 71 72 73static void 74llvmpipe_set_polygon_stipple(struct pipe_context *pipe, 75 const struct pipe_poly_stipple *stipple) 76{ 77 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 78 79 draw_flush(llvmpipe->draw); 80 81 llvmpipe->poly_stipple = *stipple; /* struct copy */ 82 llvmpipe->dirty |= LP_NEW_STIPPLE; 83} 84 85 86 87void 88llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe) 89{ 90 llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state; 91 llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple; 92 llvmpipe->pipe.set_scissor_state = llvmpipe_set_scissor_state; 93 llvmpipe->pipe.set_viewport_state = llvmpipe_set_viewport_state; 94} 95