diff options
Diffstat (limited to 'src/mesa/pipe/softpipe')
| -rw-r--r-- | src/mesa/pipe/softpipe/Makefile | 1 | ||||
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_context.c | 2 | ||||
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_context.h | 1 | ||||
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_quad.c | 70 | ||||
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_quad.h | 1 | ||||
| -rw-r--r-- | src/mesa/pipe/softpipe/sp_quad_earlyz.c | 100 |
6 files changed, 150 insertions, 25 deletions
diff --git a/src/mesa/pipe/softpipe/Makefile b/src/mesa/pipe/softpipe/Makefile index 2cbd9e5b515..59628531cc8 100644 --- a/src/mesa/pipe/softpipe/Makefile +++ b/src/mesa/pipe/softpipe/Makefile @@ -18,6 +18,7 @@ DRIVER_SOURCES = \ sp_quad_colormask.c \ sp_quad_coverage.c \ sp_quad_depth_test.c \ + sp_quad_earlyz.c \ sp_quad_fs.c \ sp_quad_occlusion.c \ sp_quad_output.c \ diff --git a/src/mesa/pipe/softpipe/sp_context.c b/src/mesa/pipe/softpipe/sp_context.c index be4da0ec64a..d5e68c189de 100644 --- a/src/mesa/pipe/softpipe/sp_context.c +++ b/src/mesa/pipe/softpipe/sp_context.c @@ -161,6 +161,7 @@ static void softpipe_destroy( struct pipe_context *pipe ) draw_destroy( softpipe->draw ); softpipe->quad.polygon_stipple->destroy( softpipe->quad.polygon_stipple ); + softpipe->quad.earlyz->destroy( softpipe->quad.earlyz ); softpipe->quad.shade->destroy( softpipe->quad.shade ); softpipe->quad.alpha_test->destroy( softpipe->quad.alpha_test ); softpipe->quad.depth_test->destroy( softpipe->quad.depth_test ); @@ -369,6 +370,7 @@ struct pipe_context *softpipe_create( struct pipe_winsys *pipe_winsys, /* setup quad rendering stages */ softpipe->quad.polygon_stipple = sp_quad_polygon_stipple_stage(softpipe); + softpipe->quad.earlyz = sp_quad_earlyz_stage(softpipe); softpipe->quad.shade = sp_quad_shade_stage(softpipe); softpipe->quad.alpha_test = sp_quad_alpha_test_stage(softpipe); softpipe->quad.depth_test = sp_quad_depth_test_stage(softpipe); diff --git a/src/mesa/pipe/softpipe/sp_context.h b/src/mesa/pipe/softpipe/sp_context.h index a411969bc02..872766101d5 100644 --- a/src/mesa/pipe/softpipe/sp_context.h +++ b/src/mesa/pipe/softpipe/sp_context.h @@ -134,6 +134,7 @@ struct softpipe_context { /** Software quad rendering pipeline */ struct { struct quad_stage *polygon_stipple; + struct quad_stage *earlyz; struct quad_stage *shade; struct quad_stage *alpha_test; struct quad_stage *stencil_test; diff --git a/src/mesa/pipe/softpipe/sp_quad.c b/src/mesa/pipe/softpipe/sp_quad.c index 429497e9b26..5a0df6de9d3 100644 --- a/src/mesa/pipe/softpipe/sp_quad.c +++ b/src/mesa/pipe/softpipe/sp_quad.c @@ -28,24 +28,52 @@ #include "sp_context.h" +#include "sp_state.h" +#include "pipe/tgsi/exec/tgsi_token.h" +static void +sp_push_quad_first( + struct softpipe_context *sp, + struct quad_stage *quad ) +{ + quad->next = sp->quad.first; + sp->quad.first = quad; +} + +static void +sp_build_depth_stencil( + struct softpipe_context *sp ) +{ + if (sp->depth_stencil->stencil.front_enabled || + sp->depth_stencil->stencil.back_enabled) { + sp_push_quad_first( sp, sp->quad.stencil_test ); + } + else if (sp->depth_stencil->depth.enabled && + sp->framebuffer.zbuf) { + sp_push_quad_first( sp, sp->quad.depth_test ); + } +} void sp_build_quad_pipeline(struct softpipe_context *sp) { + boolean early_depth_test = + sp->depth_stencil->depth.enabled && + sp->framebuffer.zbuf && + !sp->alpha_test->enabled && + sp->fs->shader.output_semantic_name[0] != TGSI_SEMANTIC_POSITION; + /* build up the pipeline in reverse order... */ sp->quad.first = sp->quad.output; if (sp->blend->colormask != 0xf) { - sp->quad.colormask->next = sp->quad.first; - sp->quad.first = sp->quad.colormask; + sp_push_quad_first( sp, sp->quad.colormask ); } if (sp->blend->blend_enable || sp->blend->logicop_enable) { - sp->quad.blend->next = sp->quad.first; - sp->quad.first = sp->quad.blend; + sp_push_quad_first( sp, sp->quad.blend ); } if (sp->framebuffer.num_cbufs == 1) { @@ -54,46 +82,38 @@ sp_build_quad_pipeline(struct softpipe_context *sp) } else { /* insert bufloop stage */ - sp->quad.bufloop->next = sp->quad.first; - sp->quad.first = sp->quad.bufloop; + sp_push_quad_first( sp, sp->quad.bufloop ); } if (sp->depth_stencil->depth.occlusion_count) { - sp->quad.occlusion->next = sp->quad.first; - sp->quad.first = sp->quad.occlusion; + sp_push_quad_first( sp, sp->quad.occlusion ); } if (sp->rasterizer->poly_smooth || sp->rasterizer->line_smooth || sp->rasterizer->point_smooth) { - sp->quad.coverage->next = sp->quad.first; - sp->quad.first = sp->quad.coverage; + sp_push_quad_first( sp, sp->quad.coverage ); } - if ( sp->depth_stencil->stencil.front_enabled - || sp->depth_stencil->stencil.back_enabled) { - sp->quad.stencil_test->next = sp->quad.first; - sp->quad.first = sp->quad.stencil_test; - } - else if (sp->depth_stencil->depth.enabled && - sp->framebuffer.zbuf) { - sp->quad.depth_test->next = sp->quad.first; - sp->quad.first = sp->quad.depth_test; + if (!early_depth_test) { + sp_build_depth_stencil( sp ); } if (sp->alpha_test->enabled) { - sp->quad.alpha_test->next = sp->quad.first; - sp->quad.first = sp->quad.alpha_test; + sp_push_quad_first( sp, sp->quad.alpha_test ); } /* XXX always enable shader? */ if (1) { - sp->quad.shade->next = sp->quad.first; - sp->quad.first = sp->quad.shade; + sp_push_quad_first( sp, sp->quad.shade ); + } + + if (early_depth_test) { + sp_build_depth_stencil( sp ); + sp_push_quad_first( sp, sp->quad.earlyz ); } if (sp->rasterizer->poly_stipple_enable) { - sp->quad.polygon_stipple->next = sp->quad.first; - sp->quad.first = sp->quad.polygon_stipple; + sp_push_quad_first( sp, sp->quad.polygon_stipple ); } } diff --git a/src/mesa/pipe/softpipe/sp_quad.h b/src/mesa/pipe/softpipe/sp_quad.h index 534541122b3..f1e0281764f 100644 --- a/src/mesa/pipe/softpipe/sp_quad.h +++ b/src/mesa/pipe/softpipe/sp_quad.h @@ -51,6 +51,7 @@ struct quad_stage { struct quad_stage *sp_quad_polygon_stipple_stage( struct softpipe_context *softpipe ); +struct quad_stage *sp_quad_earlyz_stage( struct softpipe_context *softpipe ); struct quad_stage *sp_quad_shade_stage( struct softpipe_context *softpipe ); struct quad_stage *sp_quad_alpha_test_stage( struct softpipe_context *softpipe ); struct quad_stage *sp_quad_stencil_test_stage( struct softpipe_context *softpipe ); diff --git a/src/mesa/pipe/softpipe/sp_quad_earlyz.c b/src/mesa/pipe/softpipe/sp_quad_earlyz.c new file mode 100644 index 00000000000..7e0b37519cd --- /dev/null +++ b/src/mesa/pipe/softpipe/sp_quad_earlyz.c @@ -0,0 +1,100 @@ +/************************************************************************** + * + * 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 "pipe/p_util.h" +#include "sp_context.h" +#include "sp_headers.h" +#include "sp_surface.h" +#include "sp_quad.h" +#include "sp_tile_cache.h" + +static void +earlyz_quad( + struct quad_stage *qs, + struct quad_header *quad ) +{ + uint i; + const float fx = (float) quad->x0; + const float fy = (float) quad->y0; + float xy[4][2]; + + xy[0][0] = fx; + xy[1][0] = fx + 1.0f; + xy[2][0] = fx; + xy[3][0] = fx + 1.0f; + + xy[0][1] = fy; + xy[1][1] = fy; + xy[2][1] = fy + 1.0f; + xy[3][1] = fy + 1.0f; + + for (i = 0; i < QUAD_SIZE; i++) { + quad->outputs.depth[i] = + quad->coef[0].a0[2] + + quad->coef[0].dadx[2] * xy[i][0] + + quad->coef[0].dady[2] * xy[i][1]; + } + + if (qs->next) { + qs->next->run( qs->next, quad ); + } +} + +static void +earlyz_begin( + struct quad_stage *qs ) +{ + if (qs->next) { + qs->next->begin( qs->next ); + } +} + +static void +earlyz_destroy( + struct quad_stage *qs ) +{ + FREE( qs ); +} + +struct quad_stage * +sp_quad_earlyz_stage( + struct softpipe_context *softpipe ) +{ + struct quad_stage *stage = CALLOC_STRUCT( quad_stage ); + + stage->softpipe = softpipe; + stage->begin = earlyz_begin; + stage->run = earlyz_quad; + stage->destroy = earlyz_destroy; + + return stage; +} |