| /************************************************************************** |
| * |
| * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * All Rights Reserved. |
| * Copyright 2009 VMware, Inc. 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. |
| * |
| **************************************************************************/ |
| |
| /* Author: |
| * Brian Paul |
| * Michel Dänzer |
| */ |
| |
| |
| #include "pipe/p_defines.h" |
| #include "util/u_pack_color.h" |
| #include "sp_clear.h" |
| #include "sp_context.h" |
| #include "sp_query.h" |
| #include "sp_tile_cache.h" |
| |
| |
| /** |
| * Clear the given buffers to the specified values. |
| * No masking, no scissor (clear entire buffer). |
| */ |
| void |
| softpipe_clear(struct pipe_context *pipe, unsigned buffers, |
| const union pipe_color_union *color, |
| double depth, unsigned stencil) |
| { |
| struct softpipe_context *softpipe = softpipe_context(pipe); |
| uint64_t cv; |
| uint i; |
| |
| if (softpipe->no_rast) |
| return; |
| |
| if (!softpipe_check_render_cond(softpipe)) |
| return; |
| |
| #if 0 |
| softpipe_update_derived(softpipe, PIPE_PRIM_TRIANGLES); /* not needed?? */ |
| #endif |
| |
| if (buffers & PIPE_CLEAR_COLOR) { |
| for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) { |
| sp_tile_cache_clear(softpipe->cbuf_cache[i], color, 0); |
| } |
| } |
| |
| if (buffers & PIPE_CLEAR_DEPTHSTENCIL) { |
| static const union pipe_color_union zero; |
| struct pipe_surface *ps = softpipe->framebuffer.zsbuf; |
| |
| cv = util_pack64_z_stencil(ps->format, depth, stencil); |
| sp_tile_cache_clear(softpipe->zsbuf_cache, &zero, cv); |
| } |
| |
| softpipe->dirty_render_cache = TRUE; |
| } |