diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_clear.c')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_clear.c | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/mesa/pipe/softpipe/sp_clear.c b/src/mesa/pipe/softpipe/sp_clear.c new file mode 100644 index 0000000..e83bc05 --- /dev/null +++ b/src/mesa/pipe/softpipe/sp_clear.c @@ -0,0 +1,71 @@ +/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 + */ + + +#include "sp_clear.h" +#include "sp_context.h" +#include "sp_surface.h" +#include "colormac.h" + + +void +softpipe_clear(struct pipe_context *pipe, GLboolean color, GLboolean depth, + GLboolean stencil, GLboolean accum) +{ + const struct softpipe_context *softpipe = softpipe_context(pipe); + const GLint x = softpipe->scissor.minx; + const GLint y = softpipe->scissor.miny; + const GLint w = softpipe->scissor.maxx - x; + const GLint h = softpipe->scissor.maxy - y; + + if (color) { + GLuint i; + GLubyte clr[4]; + + UNCLAMPED_FLOAT_TO_UBYTE(clr[0], softpipe->clear_color.color[0]); + UNCLAMPED_FLOAT_TO_UBYTE(clr[1], softpipe->clear_color.color[1]); + UNCLAMPED_FLOAT_TO_UBYTE(clr[2], softpipe->clear_color.color[2]); + UNCLAMPED_FLOAT_TO_UBYTE(clr[3], softpipe->clear_color.color[3]); + + for (i = 0; i < softpipe->framebuffer.num_cbufs; i++) { + struct pipe_surface *ps = softpipe->framebuffer.cbufs[i]; + struct softpipe_surface *sps = softpipe_surface(ps); + GLint j; + for (j = 0; j < h; j++) { + sps->write_mono_row_ub(sps, w, x, y + j, clr); + } + } + } + + if (depth) { + } + +} |