forked from KolibriOS/kolibrios
107 lines
3.4 KiB
C
107 lines
3.4 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/* Authors: Keith Whitwell <keith@tungstengraphics.com>
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*/
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#include "sp_context.h"
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#include "sp_state.h"
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#include "sp_tile_cache.h"
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#include "draw/draw_context.h"
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#include "util/u_format.h"
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#include "util/u_inlines.h"
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/**
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* XXX this might get moved someday
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* Set the framebuffer surface info: color buffers, zbuffer, stencil buffer.
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* Here, we flush the old surfaces and update the tile cache to point to the new
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* surfaces.
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*/
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void
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softpipe_set_framebuffer_state(struct pipe_context *pipe,
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const struct pipe_framebuffer_state *fb)
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{
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struct softpipe_context *sp = softpipe_context(pipe);
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uint i;
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draw_flush(sp->draw);
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
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struct pipe_surface *cb = i < fb->nr_cbufs ? fb->cbufs[i] : NULL;
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/* check if changing cbuf */
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if (sp->framebuffer.cbufs[i] != cb) {
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/* flush old */
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sp_flush_tile_cache(sp->cbuf_cache[i]);
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/* assign new */
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pipe_surface_reference(&sp->framebuffer.cbufs[i], cb);
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/* update cache */
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sp_tile_cache_set_surface(sp->cbuf_cache[i], cb);
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}
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}
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sp->framebuffer.nr_cbufs = fb->nr_cbufs;
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/* zbuf changing? */
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if (sp->framebuffer.zsbuf != fb->zsbuf) {
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/* flush old */
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sp_flush_tile_cache(sp->zsbuf_cache);
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/* assign new */
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pipe_surface_reference(&sp->framebuffer.zsbuf, fb->zsbuf);
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/* update cache */
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sp_tile_cache_set_surface(sp->zsbuf_cache, fb->zsbuf);
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/* Tell draw module how deep the Z/depth buffer is */
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if (sp->framebuffer.zsbuf) {
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int depth_bits;
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double mrd;
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depth_bits = util_format_get_component_bits(sp->framebuffer.zsbuf->format,
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UTIL_FORMAT_COLORSPACE_ZS,
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0);
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if (depth_bits > 16) {
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mrd = 0.0000001;
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}
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else {
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mrd = 0.00002;
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}
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draw_set_mrd(sp->draw, mrd);
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}
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}
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sp->framebuffer.width = fb->width;
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sp->framebuffer.height = fb->height;
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sp->dirty |= SP_NEW_FRAMEBUFFER;
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}
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