/************************************************************************** * * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. * 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, sub license, 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 (including the * next paragraph) 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 NON-INFRINGEMENT. * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. * **************************************************************************/ /* Authors: Keith Whitwell */ #include "sp_context.h" #include "sp_state.h" #include "sp_tile_cache.h" #include "draw/draw_context.h" #include "util/u_format.h" #include "util/u_inlines.h" /** * XXX this might get moved someday * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer. * Here, we flush the old surfaces and update the tile cache to point to the new * surfaces. */ void softpipe_set_framebuffer_state(struct pipe_context *pipe, const struct pipe_framebuffer_state *fb) { struct softpipe_context *sp = softpipe_context(pipe); uint i; draw_flush(sp->draw); for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) { /* check if changing cbuf */ if (sp->framebuffer.cbufs[i] != fb->cbufs[i]) { /* flush old */ sp_flush_tile_cache(sp->cbuf_cache[i]); /* assign new */ pipe_surface_reference(&sp->framebuffer.cbufs[i], fb->cbufs[i]); /* update cache */ sp_tile_cache_set_surface(sp->cbuf_cache[i], fb->cbufs[i]); } } sp->framebuffer.nr_cbufs = fb->nr_cbufs; /* zbuf changing? */ if (sp->framebuffer.zsbuf != fb->zsbuf) { /* flush old */ sp_flush_tile_cache(sp->zsbuf_cache); /* assign new */ pipe_surface_reference(&sp->framebuffer.zsbuf, fb->zsbuf); /* update cache */ sp_tile_cache_set_surface(sp->zsbuf_cache, fb->zsbuf); /* Tell draw module how deep the Z/depth buffer is */ if (sp->framebuffer.zsbuf) { int depth_bits; double mrd; depth_bits = util_format_get_component_bits(sp->framebuffer.zsbuf->format, UTIL_FORMAT_COLORSPACE_ZS, 0); if (depth_bits > 16) { mrd = 0.0000001; } else { mrd = 0.00002; } draw_set_mrd(sp->draw, mrd); } } sp->framebuffer.width = fb->width; sp->framebuffer.height = fb->height; sp->dirty |= SP_NEW_FRAMEBUFFER; }