From eb168e26aa63f11a47d70c4555cae30691a2cd57 Mon Sep 17 00:00:00 2001 From: Michel Dänzer Date: Sat, 4 Apr 2009 19:01:51 +0200 Subject: gallium: Clean up driver clear() interface. Only allows clearing currently bound buffers, but colour and depth/stencil in a single call. --- src/gallium/auxiliary/util/u_clear.h | 60 ++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) create mode 100644 src/gallium/auxiliary/util/u_clear.h (limited to 'src/gallium/auxiliary/util/u_clear.h') diff --git a/src/gallium/auxiliary/util/u_clear.h b/src/gallium/auxiliary/util/u_clear.h new file mode 100644 index 0000000000..7c16b32cf9 --- /dev/null +++ b/src/gallium/auxiliary/util/u_clear.h @@ -0,0 +1,60 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/* Authors: + * Michel Dänzer + */ + + +#include "pipe/p_context.h" +#include "pipe/p_state.h" +#include "util/u_pack_color.h" + + +/** + * Clear the given buffers to the specified values. + * No masking, no scissor (clear entire buffer). + */ +static INLINE void +util_clear(struct pipe_context *pipe, + struct pipe_framebuffer_state *framebuffer, unsigned buffers, + const float *rgba, double depth, unsigned stencil) +{ + if (buffers & PIPE_CLEAR_COLOR) { + struct pipe_surface *ps = framebuffer->cbufs[0]; + unsigned color; + + util_pack_color(rgba, ps->format, &color); + pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, color); + } + + if (buffers & PIPE_CLEAR_DEPTHSTENCIL) { + struct pipe_surface *ps = framebuffer->zsbuf; + + pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, + util_pack_z_stencil(ps->format, depth, stencil)); + } +} -- cgit v1.2.3