lp_flush.c revision e3b38e5ec1ba93e3f1a1b3d5039c70ff7aa3ebe6
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/* Author: 29 * Keith Whitwell <keith@tungstengraphics.com> 30 */ 31 32 33#include "pipe/p_defines.h" 34#include "draw/draw_context.h" 35#include "lp_flush.h" 36#include "lp_context.h" 37#include "lp_surface.h" 38#include "lp_state.h" 39#include "lp_tile_cache.h" 40#include "lp_tex_cache.h" 41#include "lp_winsys.h" 42 43 44void 45llvmpipe_flush( struct pipe_context *pipe, 46 unsigned flags, 47 struct pipe_fence_handle **fence ) 48{ 49 struct llvmpipe_context *llvmpipe = llvmpipe_context(pipe); 50 uint i; 51 52 draw_flush(llvmpipe->draw); 53 54 if (flags & PIPE_FLUSH_TEXTURE_CACHE) { 55 for (i = 0; i < llvmpipe->num_textures; i++) { 56 lp_flush_tex_tile_cache(llvmpipe->tex_cache[i]); 57 } 58 } 59 60 if (flags & PIPE_FLUSH_SWAPBUFFERS) { 61 /* If this is a swapbuffers, just flush color buffers. 62 * 63 * The zbuffer changes are not discarded, but held in the cache 64 * in the hope that a later clear will wipe them out. 65 */ 66 for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) 67 if (llvmpipe->cbuf_cache[i]) 68 lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); 69 70 /* Need this call for hardware buffers before swapbuffers. 71 * 72 * there should probably be another/different flush-type function 73 * that's called before swapbuffers because we don't always want 74 * to unmap surfaces when flushing. 75 */ 76 llvmpipe_unmap_transfers(llvmpipe); 77 } 78 else if (flags & PIPE_FLUSH_RENDER_CACHE) { 79 for (i = 0; i < llvmpipe->framebuffer.nr_cbufs; i++) 80 if (llvmpipe->cbuf_cache[i]) 81 lp_flush_tile_cache(llvmpipe->cbuf_cache[i]); 82 83 /* FIXME: untile zsbuf! */ 84 85 llvmpipe->dirty_render_cache = FALSE; 86 } 87 88 /* Enable to dump BMPs of the color/depth buffers each frame */ 89#if 0 90 if(flags & PIPE_FLUSH_FRAME) { 91 static unsigned frame_no = 1; 92 static char filename[256]; 93 util_snprintf(filename, sizeof(filename), "cbuf_%u.bmp", frame_no); 94 debug_dump_surface_bmp(filename, llvmpipe->framebuffer.cbufs[0]); 95 util_snprintf(filename, sizeof(filename), "zsbuf_%u.bmp", frame_no); 96 debug_dump_surface_bmp(filename, llvmpipe->framebuffer.zsbuf); 97 ++frame_no; 98 } 99#endif 100 101 if (fence) 102 *fence = NULL; 103} 104 105