forked from KolibriOS/kolibrios
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
/**************************************************************************
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*
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* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "sp_context.h"
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#include "sp_state.h"
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#include "pipe/p_shader_tokens.h"
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static void
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insert_stage_at_head(struct softpipe_context *sp, struct quad_stage *quad)
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{
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quad->next = sp->quad.first;
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sp->quad.first = quad;
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}
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void
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sp_build_quad_pipeline(struct softpipe_context *sp)
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{
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boolean early_depth_test =
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sp->depth_stencil->depth.enabled &&
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sp->framebuffer.zsbuf &&
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!sp->depth_stencil->alpha.enabled &&
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!sp->fs_variant->info.uses_kill &&
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!sp->fs_variant->info.writes_z &&
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!sp->fs_variant->info.writes_stencil;
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sp->quad.first = sp->quad.blend;
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if (early_depth_test) {
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insert_stage_at_head( sp, sp->quad.shade );
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insert_stage_at_head( sp, sp->quad.depth_test );
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}
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else {
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insert_stage_at_head( sp, sp->quad.depth_test );
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insert_stage_at_head( sp, sp->quad.shade );
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}
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#if !DO_PSTIPPLE_IN_DRAW_MODULE && !DO_PSTIPPLE_IN_HELPER_MODULE
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if (sp->rasterizer->poly_stipple_enable)
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insert_stage_at_head( sp, sp->quad.pstipple );
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#endif
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}
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