140 lines
4.6 KiB
C
140 lines
4.6 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_surface.h"
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#include "sp_tile_cache.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 map the 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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struct softpipe_surface *sps;
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uint i;
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for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
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/* check if changing cbuf */
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if (sp->framebuffer.cbufs[i] != fb->cbufs[i]) {
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/* flush old */
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sp_flush_tile_cache(sp, sp->cbuf_cache[i]);
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/* unmap old */
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sps = softpipe_surface(sp->framebuffer.cbufs[i]);
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if (sps && sps->surface.region)
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pipe->region_unmap(pipe, sps->surface.region);
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/* map new */
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sps = softpipe_surface(fb->cbufs[i]);
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if (sps)
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pipe->region_map(pipe, sps->surface.region);
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/* assign new */
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sp->framebuffer.cbufs[i] = fb->cbufs[i];
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/* update cache */
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sp_tile_cache_set_surface(sp->cbuf_cache[i], sps);
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}
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}
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sp->framebuffer.num_cbufs = fb->num_cbufs;
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/* zbuf changing? */
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if (sp->framebuffer.zbuf != fb->zbuf) {
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/* flush old */
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sp_flush_tile_cache(sp, sp->zbuf_cache);
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/* unmap old */
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sps = softpipe_surface(sp->framebuffer.zbuf);
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if (sps && sps->surface.region)
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pipe->region_unmap(pipe, sps->surface.region);
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if (sp->framebuffer.sbuf == sp->framebuffer.zbuf) {
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/* combined z/stencil */
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sp->framebuffer.sbuf = NULL;
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}
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/* map new */
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sps = softpipe_surface(fb->zbuf);
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if (sps)
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pipe->region_map(pipe, sps->surface.region);
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/* assign new */
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sp->framebuffer.zbuf = fb->zbuf;
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/* update cache */
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sp_tile_cache_set_surface(sp->zbuf_cache, sps);
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}
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/* XXX combined depth/stencil here */
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/* sbuf changing? */
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if (sp->framebuffer.sbuf != fb->sbuf) {
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/* flush old */
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sp_flush_tile_cache(sp, sp->sbuf_cache_sep);
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/* unmap old */
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sps = softpipe_surface(sp->framebuffer.sbuf);
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if (sps && sps->surface.region)
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pipe->region_unmap(pipe, sps->surface.region);
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/* map new */
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sps = softpipe_surface(fb->sbuf);
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if (sps && fb->sbuf != fb->zbuf)
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pipe->region_map(pipe, sps->surface.region);
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/* assign new */
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sp->framebuffer.sbuf = fb->sbuf;
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/* update cache */
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if (fb->sbuf != fb->zbuf) {
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/* separate stencil buf */
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sp->sbuf_cache = sp->sbuf_cache_sep;
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sp_tile_cache_set_surface(sp->sbuf_cache, sps);
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}
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else {
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/* combined depth/stencil */
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sp->sbuf_cache = sp->zbuf_cache;
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sp_tile_cache_set_surface(sp->sbuf_cache, sps);
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}
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}
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sp->dirty |= SP_NEW_FRAMEBUFFER;
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}
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void
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softpipe_set_clear_color_state(struct pipe_context *pipe,
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const struct pipe_clear_color_state *clear)
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{
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struct softpipe_context *softpipe = softpipe_context(pipe);
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softpipe->clear_color = *clear; /* struct copy */
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}
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