1/************************************************************************** 2 * 3 * Copyright 2007 VMware, Inc. 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 VMWARE 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 <keithw@vmware.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_states(struct pipe_context *pipe, 48 unsigned start_slot, 49 unsigned num_viewports, 50 const struct pipe_viewport_state *viewports) 51{ 52 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 53 54 /* pass the viewport info to the draw module */ 55 draw_set_viewport_states(llvmpipe->draw, start_slot, num_viewports, 56 viewports); 57 58 memcpy(llvmpipe->viewports + start_slot, viewports, 59 sizeof(struct pipe_viewport_state) * num_viewports); 60 llvmpipe->dirty |= LP_NEW_VIEWPORT; 61} 62 63 64static void 65llvmpipe_set_scissor_states(struct pipe_context *pipe, 66 unsigned start_slot, 67 unsigned num_scissors, 68 const struct pipe_scissor_state *scissors) 69{ 70 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 71 72 draw_flush(llvmpipe->draw); 73 74 debug_assert(start_slot < PIPE_MAX_VIEWPORTS); 75 debug_assert((start_slot + num_scissors) <= PIPE_MAX_VIEWPORTS); 76 77 memcpy(llvmpipe->scissors + start_slot, scissors, 78 sizeof(struct pipe_scissor_state) * num_scissors); 79 80 llvmpipe->dirty |= LP_NEW_SCISSOR; 81} 82 83 84static void 85llvmpipe_set_polygon_stipple(struct pipe_context *pipe, 86 const struct pipe_poly_stipple *stipple) 87{ 88 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 89 90 draw_flush(llvmpipe->draw); 91 92 llvmpipe->poly_stipple = *stipple; /* struct copy */ 93 llvmpipe->dirty |= LP_NEW_STIPPLE; 94} 95 96 97 98void 99llvmpipe_init_clip_funcs(struct llvmpipe_context *llvmpipe) 100{ 101 llvmpipe->pipe.set_clip_state = llvmpipe_set_clip_state; 102 llvmpipe->pipe.set_polygon_stipple = llvmpipe_set_polygon_stipple; 103 llvmpipe->pipe.set_scissor_states = llvmpipe_set_scissor_states; 104 llvmpipe->pipe.set_viewport_states = llvmpipe_set_viewport_states; 105} 106