forked from KolibriOS/kolibrios
91 lines
3.1 KiB
C
91 lines
3.1 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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* Copyright 2009 VMware, Inc. 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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/* Author:
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* Brian Paul
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* Michel Dänzer
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*/
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#include "pipe/p_defines.h"
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#include "util/u_pack_color.h"
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#include "util/u_surface.h"
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#include "sp_clear.h"
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#include "sp_context.h"
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#include "sp_query.h"
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#include "sp_tile_cache.h"
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/**
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* Clear the given buffers to the specified values.
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* No masking, no scissor (clear entire buffer).
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*/
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void
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softpipe_clear(struct pipe_context *pipe, unsigned buffers,
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const union pipe_color_union *color,
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double depth, unsigned stencil)
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{
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struct softpipe_context *softpipe = softpipe_context(pipe);
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struct pipe_surface *zsbuf = softpipe->framebuffer.zsbuf;
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unsigned zs_buffers = buffers & PIPE_CLEAR_DEPTHSTENCIL;
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uint64_t cv;
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uint i;
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if (softpipe->no_rast)
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return;
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if (!softpipe_check_render_cond(softpipe))
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return;
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#if 0
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softpipe_update_derived(softpipe, PIPE_PRIM_TRIANGLES); /* not needed?? */
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#endif
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if (buffers & PIPE_CLEAR_COLOR) {
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for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
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sp_tile_cache_clear(softpipe->cbuf_cache[i], color, 0);
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}
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}
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if (zs_buffers &&
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util_format_is_depth_and_stencil(zsbuf->texture->format) &&
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zs_buffers != PIPE_CLEAR_DEPTHSTENCIL) {
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/* Clearing only depth or stencil in a combined depth-stencil buffer. */
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util_clear_depth_stencil(pipe, zsbuf, zs_buffers, depth, stencil,
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0, 0, zsbuf->width, zsbuf->height);
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}
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else if (zs_buffers) {
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static const union pipe_color_union zero;
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cv = util_pack64_z_stencil(zsbuf->format, depth, stencil);
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sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv);
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}
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softpipe->dirty_render_cache = TRUE;
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}
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