| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| |
| #include "sp_context.h" |
| #include "sp_state.h" |
| #include "pipe/p_shader_tokens.h" |
| |
| |
| static void |
| insert_stage_at_head(struct softpipe_context *sp, struct quad_stage *quad) |
| { |
| quad->next = sp->quad.first; |
| sp->quad.first = quad; |
| } |
| |
| |
| void |
| sp_build_quad_pipeline(struct softpipe_context *sp) |
| { |
| boolean early_depth_test = |
| sp->depth_stencil->depth.enabled && |
| sp->framebuffer.zsbuf && |
| !sp->depth_stencil->alpha.enabled && |
| !sp->fs_variant->info.uses_kill && |
| !sp->fs_variant->info.writes_z && |
| !sp->fs_variant->info.writes_stencil; |
| |
| sp->quad.first = sp->quad.blend; |
| |
| if (early_depth_test) { |
| insert_stage_at_head( sp, sp->quad.shade ); |
| insert_stage_at_head( sp, sp->quad.depth_test ); |
| } |
| else { |
| insert_stage_at_head( sp, sp->quad.depth_test ); |
| insert_stage_at_head( sp, sp->quad.shade ); |
| } |
| |
| #if !DO_PSTIPPLE_IN_DRAW_MODULE && !DO_PSTIPPLE_IN_HELPER_MODULE |
| if (sp->rasterizer->poly_stipple_enable) |
| insert_stage_at_head( sp, sp->quad.pstipple ); |
| #endif |
| } |
| |