1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/************************************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * All Rights Reserved. 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person obtaining a 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * copy of this software and associated documentation files (the 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * "Software"), to deal in the Software without restriction, including 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * without limitation the rights to use, copy, modify, merge, publish, 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * distribute, sub license, and/or sell copies of the Software, and to 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * permit persons to whom the Software is furnished to do so, subject to 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * the following conditions: 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice (including the 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * next paragraph) shall be included in all copies or substantial portions 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software. 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **************************************************************************/ 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/* Authors: Keith Whitwell <keith@tungstengraphics.com> 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_state.h" 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_inlines.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_framebuffer.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_surface.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_context.h" 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_scene.h" 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_state.h" 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "lp_setup.h" 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "draw/draw_context.h" 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_format.h" 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Set the framebuffer surface info: color buffers, zbuffer, stencil buffer. 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgllvmpipe_set_framebuffer_state(struct pipe_context *pipe, 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const struct pipe_framebuffer_state *fb) 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct llvmpipe_context *lp = llvmpipe_context(pipe); 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean changed = !util_framebuffer_state_equal(&lp->framebuffer, fb); 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fb->width <= LP_MAX_WIDTH); 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert(fb->height <= LP_MAX_HEIGHT); 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (changed) { 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_copy_framebuffer_state(&lp->framebuffer, fb); 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (LP_PERF & PERF_NO_DEPTH) { 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org pipe_surface_reference(&lp->framebuffer.zsbuf, NULL); 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Tell draw module how deep the Z/depth buffer is */ 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (lp->framebuffer.zsbuf) { 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org int depth_bits; 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org double mrd; 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org depth_bits = util_format_get_component_bits(lp->framebuffer.zsbuf->format, 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org UTIL_FORMAT_COLORSPACE_ZS, 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 0); 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (depth_bits > 16) { 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mrd = 0.0000001; 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org else { 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org mrd = 0.00002; 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->mrd = mrd; 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org draw_set_mrd(lp->draw, mrd); 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp_setup_bind_framebuffer( lp->setup, &lp->framebuffer ); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org lp->dirty |= LP_NEW_FRAMEBUFFER; 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 89