diff options
Diffstat (limited to 'src/mesa/pipe/softpipe/sp_quad_coverage.c')
-rw-r--r-- | src/mesa/pipe/softpipe/sp_quad_coverage.c | 88 |
1 files changed, 0 insertions, 88 deletions
diff --git a/src/mesa/pipe/softpipe/sp_quad_coverage.c b/src/mesa/pipe/softpipe/sp_quad_coverage.c deleted file mode 100644 index b3d3fae22f..0000000000 --- a/src/mesa/pipe/softpipe/sp_quad_coverage.c +++ /dev/null @@ -1,88 +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 Apply AA coverage to quad alpha valus - * \author Brian Paul - */ - - -#include "pipe/p_defines.h" -#include "pipe/p_util.h" -#include "sp_context.h" -#include "sp_headers.h" -#include "sp_quad.h" - - -/** - * Multiply quad's alpha values by the fragment coverage. - */ -static void -coverage_quad(struct quad_stage *qs, struct quad_header *quad) -{ - struct softpipe_context *softpipe = qs->softpipe; - - if ((softpipe->rasterizer->poly_smooth && quad->prim == PRIM_TRI) || - (softpipe->rasterizer->line_smooth && quad->prim == PRIM_LINE) || - (softpipe->rasterizer->point_smooth && quad->prim == PRIM_POINT)) { - float (*quadColor)[4] = quad->outputs.color; - unsigned j; - for (j = 0; j < QUAD_SIZE; j++) { - assert(quad->coverage[j] >= 0.0); - assert(quad->coverage[j] <= 1.0); - quadColor[3][j] *= quad->coverage[j]; - } - } - - qs->next->run(qs->next, quad); -} - - -static void coverage_begin(struct quad_stage *qs) -{ - qs->next->begin(qs->next); -} - - -static void coverage_destroy(struct quad_stage *qs) -{ - FREE( qs ); -} - - -struct quad_stage *sp_quad_coverage_stage( struct softpipe_context *softpipe ) -{ - struct quad_stage *stage = CALLOC_STRUCT(quad_stage); - - stage->softpipe = softpipe; - stage->begin = coverage_begin; - stage->run = coverage_quad; - stage->destroy = coverage_destroy; - - return stage; -} |