diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2007-09-26 11:56:17 +0100 |
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committer | Keith Whitwell <keith@tungstengraphics.com> | 2007-09-27 07:56:23 +0100 |
commit | 08589f71051e588b0bb7d0c8b529976c85398dd1 (patch) | |
tree | 294a567114f73cd51fc92e6553230a76867905ad /src/mesa/pipe/draw/draw_validate.c | |
parent | 7770acf8d4360ecfcaeece6e366f5adc6c0c9dee (diff) |
Make flushing more lazy in the draw module.
Diffstat (limited to 'src/mesa/pipe/draw/draw_validate.c')
-rw-r--r-- | src/mesa/pipe/draw/draw_validate.c | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/src/mesa/pipe/draw/draw_validate.c b/src/mesa/pipe/draw/draw_validate.c new file mode 100644 index 0000000000..7c5a9dceca --- /dev/null +++ b/src/mesa/pipe/draw/draw_validate.c @@ -0,0 +1,124 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/* Authors: Keith Whitwell <keith@tungstengraphics.com> + */ + +#include "pipe/p_util.h" +#include "pipe/p_defines.h" +#include "draw_private.h" + + + + + +/** + * Rebuild the rendering pipeline. + */ +static void validate_begin( struct draw_stage *stage ) +{ + struct draw_context *draw = stage->draw; + struct draw_stage *next = draw->pipeline.rasterize; + + /* + * NOTE: we build up the pipeline in end-to-start order. + * + * TODO: make the current primitive part of the state and build + * shorter pipelines for lines & points. + */ + + if (draw->rasterizer->fill_cw != PIPE_POLYGON_MODE_FILL || + draw->rasterizer->fill_ccw != PIPE_POLYGON_MODE_FILL) { + draw->pipeline.unfilled->next = next; + next = draw->pipeline.unfilled; + } + + if (draw->rasterizer->offset_cw || + draw->rasterizer->offset_ccw) { + draw->pipeline.offset->next = next; + next = draw->pipeline.offset; + } + + if (draw->rasterizer->light_twoside) { + draw->pipeline.twoside->next = next; + next = draw->pipeline.twoside; + } + + /* Always run the cull stage as we calculate determinant there + * also. Fix this.. + */ + { + draw->pipeline.cull->next = next; + next = draw->pipeline.cull; + } + + /* Clip stage + */ + { + draw->pipeline.clip->next = next; + next = draw->pipeline.clip; + } + + /* Do software flatshading prior to clipping. XXX: should only do + * this for clipped primitives, ie it is a part of the clip + * routine. + */ + if (draw->rasterizer->flatshade) { + draw->pipeline.flatshade->next = next; + next = draw->pipeline.flatshade; + } + + if (draw->feedback.enabled || draw->feedback.discard) { + draw->pipeline.feedback->next = next; + next = draw->pipeline.feedback; + } + + draw->pipeline.first = next; + draw->pipeline.first->begin( draw->pipeline.first ); +} + + + + +/** + * Create validate pipeline stage. + */ +struct draw_stage *draw_validate_stage( struct draw_context *draw ) +{ + struct draw_stage *stage = CALLOC_STRUCT(draw_stage); + + stage->draw = draw; + stage->next = NULL; + stage->begin = validate_begin; + stage->point = NULL; + stage->line = NULL; + stage->tri = NULL; + stage->end = NULL; + stage->reset_stipple_counter = NULL; + + return stage; +} |