/************************************************************************** * * 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) { } }