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 31#include "sp_context.h" 32#include "sp_state.h" 33#include "sp_tile_cache.h" 34 35#include "draw/draw_context.h" 36 37#include "util/u_format.h" 38#include "util/u_inlines.h" 39 40 41/** 42 * XXX this might get moved someday 43 * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer. 44 * Here, we flush the old surfaces and update the tile cache to point to the new 45 * surfaces. 46 */ 47void 48softpipe_set_framebuffer_state(struct pipe_context *pipe, 49 const struct pipe_framebuffer_state *fb) 50{ 51 struct softpipe_context *sp = softpipe_context(pipe); 52 uint i; 53 54 draw_flush(sp->draw); 55 56 for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { 57 struct pipe_surface *cb = i < fb->nr_cbufs ? fb->cbufs[i] : NULL; 58 59 /* check if changing cbuf */ 60 if (sp->framebuffer.cbufs[i] != cb) { 61 /* flush old */ 62 sp_flush_tile_cache(sp->cbuf_cache[i]); 63 64 /* assign new */ 65 pipe_surface_reference(&sp->framebuffer.cbufs[i], cb); 66 67 /* update cache */ 68 sp_tile_cache_set_surface(sp->cbuf_cache[i], cb); 69 } 70 } 71 72 sp->framebuffer.nr_cbufs = fb->nr_cbufs; 73 74 /* zbuf changing? */ 75 if (sp->framebuffer.zsbuf != fb->zsbuf) { 76 /* flush old */ 77 sp_flush_tile_cache(sp->zsbuf_cache); 78 79 /* assign new */ 80 pipe_surface_reference(&sp->framebuffer.zsbuf, fb->zsbuf); 81 82 /* update cache */ 83 sp_tile_cache_set_surface(sp->zsbuf_cache, fb->zsbuf); 84 85 /* Tell draw module how deep the Z/depth buffer is 86 * 87 * If no depth buffer is bound, send the utility function the 88 * format for no bound depth (PIPE_FORMAT_NONE). 89 */ 90 draw_set_zs_format(sp->draw, 91 (sp->framebuffer.zsbuf) ? 92 sp->framebuffer.zsbuf->format : PIPE_FORMAT_NONE); 93 } 94 95 sp->framebuffer.width = fb->width; 96 sp->framebuffer.height = fb->height; 97 sp->framebuffer.samples = fb->samples; 98 sp->framebuffer.layers = fb->layers; 99 100 sp->dirty |= SP_NEW_FRAMEBUFFER; 101} 102