From 05bfd93c3f02d229f5408db1b440425cce99a142 Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Mon, 27 Jul 2009 08:17:45 +0100 Subject: llvmpipe: move all depth/stencil/alpha pixel processing into one stage --- src/gallium/drivers/llvmpipe/lp_quad_earlyz.c | 94 --------------------------- 1 file changed, 94 deletions(-) delete mode 100644 src/gallium/drivers/llvmpipe/lp_quad_earlyz.c (limited to 'src/gallium/drivers/llvmpipe/lp_quad_earlyz.c') diff --git a/src/gallium/drivers/llvmpipe/lp_quad_earlyz.c b/src/gallium/drivers/llvmpipe/lp_quad_earlyz.c deleted file mode 100644 index 915d2d9f78..0000000000 --- a/src/gallium/drivers/llvmpipe/lp_quad_earlyz.c +++ /dev/null @@ -1,94 +0,0 @@ -/************************************************************************** - * - * 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. - * - **************************************************************************/ - -/** - * \brief Quad early-z testing - */ - -#include "pipe/p_defines.h" -#include "util/u_memory.h" -#include "lp_quad.h" -#include "lp_quad_pipe.h" - - -/** - * All this stage does is compute the quad's Z values (which is normally - * done by the shading stage). - * The next stage will do the actual depth test. - */ -static void -earlyz_quad( - struct quad_stage *qs, - struct quad_header *quads[], - unsigned nr ) -{ - const float a0z = quads[0]->posCoef->a0[2]; - const float dzdx = quads[0]->posCoef->dadx[2]; - const float dzdy = quads[0]->posCoef->dady[2]; - unsigned i; - - for (i = 0; i < nr; i++) { - const float fx = (float) quads[i]->input.x0; - const float fy = (float) quads[i]->input.y0; - const float z0 = a0z + dzdx * fx + dzdy * fy; - - quads[i]->output.depth[0] = z0; - quads[i]->output.depth[1] = z0 + dzdx; - quads[i]->output.depth[2] = z0 + dzdy; - quads[i]->output.depth[3] = z0 + dzdx + dzdy; - } - - qs->next->run( qs->next, quads, nr ); -} - -static void -earlyz_begin( - struct quad_stage *qs ) -{ - qs->next->begin( qs->next ); -} - -static void -earlyz_destroy( - struct quad_stage *qs ) -{ - FREE( qs ); -} - -struct quad_stage * -lp_quad_earlyz_stage( - struct llvmpipe_context *llvmpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT( quad_stage ); - - stage->llvmpipe = llvmpipe; - stage->begin = earlyz_begin; - stage->run = earlyz_quad; - stage->destroy = earlyz_destroy; - - return stage; -} -- cgit v1.2.3