From: Keith Whitwell Date: Fri, 18 Apr 2008 17:42:41 +0000 (+0100) Subject: draw: remove fetch_pipeline middle end -- just use the general path X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=26c27f6636069ca849a740c3969c577d841484e2;p=mesa.git draw: remove fetch_pipeline middle end -- just use the general path --- diff --git a/src/gallium/auxiliary/draw/Makefile b/src/gallium/auxiliary/draw/Makefile index 154c8a99b57..916e134719f 100644 --- a/src/gallium/auxiliary/draw/Makefile +++ b/src/gallium/auxiliary/draw/Makefile @@ -18,7 +18,6 @@ C_SOURCES = \ draw_pt.c \ draw_pt_vcache.c \ draw_pt_fetch_emit.c \ - draw_pt_fetch_pipeline.c \ draw_pt_fetch_shade_pipeline.c \ draw_pt_fetch.c \ draw_pt_post_vs.c \ diff --git a/src/gallium/auxiliary/draw/SConscript b/src/gallium/auxiliary/draw/SConscript index 0274d48e7fb..6dc0195d93d 100644 --- a/src/gallium/auxiliary/draw/SConscript +++ b/src/gallium/auxiliary/draw/SConscript @@ -18,7 +18,6 @@ draw = env.ConvenienceLibrary( 'draw_pt_emit.c', 'draw_pt_fetch.c', 'draw_pt_fetch_emit.c', - 'draw_pt_fetch_pipeline.c', 'draw_pt_fetch_shade_pipeline.c', 'draw_pt_pipeline.c', 'draw_pt_post_vs.c', diff --git a/src/gallium/auxiliary/draw/draw_pt.c b/src/gallium/auxiliary/draw/draw_pt.c index 60a47f3911a..b48d0cae9fb 100644 --- a/src/gallium/auxiliary/draw/draw_pt.c +++ b/src/gallium/auxiliary/draw/draw_pt.c @@ -106,10 +106,6 @@ boolean draw_pt_init( struct draw_context *draw ) return FALSE; draw->pt.middle.opt[0] = draw_pt_fetch_emit( draw ); - draw->pt.middle.opt[PT_PIPELINE] = draw_pt_fetch_pipeline( draw ); -// draw->pt.middle.opt[PT_SHADE] = draw_pt_shade_emit( draw ); -// draw->pt.middle.opt[PT_SHADE | PT_PIPELINE] = draw_pt_shade_pipeline( draw ); -// draw->pt.middle.opt[PT_SHADE | PT_CLIPTEST] = draw_pt_shade_clip_either( draw ); draw->pt.middle.opt[PT_SHADE | PT_CLIPTEST | PT_PIPELINE] = draw_pt_fetch_pipeline_or_emit( draw ); diff --git a/src/gallium/auxiliary/draw/draw_pt.h b/src/gallium/auxiliary/draw/draw_pt.h index 316289969bf..eb23ee1c1ef 100644 --- a/src/gallium/auxiliary/draw/draw_pt.h +++ b/src/gallium/auxiliary/draw/draw_pt.h @@ -83,11 +83,6 @@ struct draw_pt_front_end { * Currently two versions of this: * - fetch, vertex shade, cliptest, prim-pipeline * - fetch, emit (ie passthrough) - * Later: - * - fetch, vertex shade, cliptest, maybe-pipeline, maybe-emit - * - fetch, vertex shade, emit - * - * Currenly only using the passthrough version. */ struct draw_pt_middle_end { void (*prepare)( struct draw_pt_middle_end *, @@ -106,10 +101,6 @@ struct draw_pt_middle_end { /* The "back end" - supplied by the driver, defined in draw_vbuf.h. - * - * Not sure whether to wrap the prim pipeline up as an alternate - * backend. Would be a win for everything except pure passthrough - * mode... */ struct vbuf_render; struct vertex_header; @@ -121,11 +112,24 @@ pt_elt_func draw_pt_elt_func( struct draw_context *draw ); const void *draw_pt_elt_ptr( struct draw_context *draw, unsigned start ); -/* Implementations: +/* Frontends: + * + * Currently only the general-purpose vcache implementation, could add + * a special case for tiny vertex buffers. */ struct draw_pt_front_end *draw_pt_vcache( struct draw_context *draw ); + +/* Middle-ends: + * + * Currently one general-purpose case which can do all possibilities, + * at the slight expense of creating a vertex_header in some cases + * unecessarily. + * + * The special case fetch_emit code avoids pipeline vertices + * altogether and builds hardware vertices directly from API + * vertex_elements. + */ struct draw_pt_middle_end *draw_pt_fetch_emit( struct draw_context *draw ); -struct draw_pt_middle_end *draw_pt_fetch_pipeline( struct draw_context *draw ); struct draw_pt_middle_end *draw_pt_fetch_pipeline_or_emit(struct draw_context *draw); diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c b/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c deleted file mode 100644 index 26d0b372867..00000000000 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_pipeline.c +++ /dev/null @@ -1,327 +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. - * - **************************************************************************/ - - /* - * Authors: - * Keith Whitwell - */ - -#include "pipe/p_util.h" -#include "draw/draw_context.h" -#include "draw/draw_vertex.h" -#include "draw/draw_pt.h" -#include "draw/draw_vs.h" - -/* The simplest 'middle end' in the new vertex code. - * - * The responsibilities of a middle end are to: - * - perform vertex fetch using - * - draw vertex element/buffer state - * - a list of fetch indices we received as an input - * - run the vertex shader - * - cliptest, - * - clip coord calculation - * - viewport transformation - * - if necessary, run the primitive pipeline, passing it: - * - a linear array of vertex_header vertices constructed here - * - a set of draw indices we received as an input - * - otherwise, drive the hw backend, - * - allocate space for hardware format vertices - * - translate the vertex-shader output vertices to hw format - * - calling the backend draw functions. - * - * For convenience, we provide a helper function to drive the hardware - * backend given similar inputs to those required to run the pipeline. - * - * In the case of passthrough mode, many of these actions are disabled - * or noops, so we end up doing: - * - * - perform vertex fetch - * - drive the hw backend - * - * IE, basically just vertex fetch to post-vs-format vertices, - * followed by a call to the backend helper function. - */ - - -struct fetch_pipeline_middle_end { - struct draw_pt_middle_end base; - struct draw_context *draw; - - void (*header)( unsigned idx, float **out); - - struct { - const ubyte *ptr; - unsigned pitch; - void (*fetch)( const void *from, float *attrib); - void (*emit)( const float *attrib, float **out ); - } fetch[PIPE_MAX_ATTRIBS]; - - unsigned nr_fetch; - unsigned pipeline_vertex_size; - unsigned prim; -}; - - -#if 0 -static void emit_R32_FLOAT( const float *attrib, - float **out ) -{ - (*out)[0] = attrib[0]; - (*out) += 1; -} - -static void emit_R32G32_FLOAT( const float *attrib, - float **out ) -{ - (*out)[0] = attrib[0]; - (*out)[1] = attrib[1]; - (*out) += 2; -} - -static void emit_R32G32B32_FLOAT( const float *attrib, - float **out ) -{ - (*out)[0] = attrib[0]; - (*out)[1] = attrib[1]; - (*out)[2] = attrib[2]; - (*out) += 3; -} -#endif -static void emit_R32G32B32A32_FLOAT( const float *attrib, - float **out ) -{ - (*out)[0] = attrib[0]; - (*out)[1] = attrib[1]; - (*out)[2] = attrib[2]; - (*out)[3] = attrib[3]; - (*out) += 4; -} - -static void header( unsigned idx, - float **out ) -{ - struct vertex_header *header = (struct vertex_header *) (*out); - - header->clipmask = 0; - header->edgeflag = 1; - header->pad = 0; - header->vertex_id = UNDEFINED_VERTEX_ID; - - (*out)[1] = 0; - (*out)[2] = 0; - (*out)[3] = 0; - (*out)[3] = 1; - (*out) += 5; -} - - -static void header_ef( unsigned idx, - float **out ) -{ - struct vertex_header *header = (struct vertex_header *) (*out); - - /* XXX: need a reset_stipple flag in the vertex header too? - */ - header->clipmask = 0; - header->edgeflag = (idx & DRAW_PT_EDGEFLAG) != 0; - header->pad = 0; - header->vertex_id = UNDEFINED_VERTEX_ID; - - (*out)[1] = 0; - (*out)[2] = 0; - (*out)[3] = 0; - (*out)[3] = 1; - (*out) += 5; -} - - -/** - * General-purpose fetch from user's vertex arrays, emit to driver's - * vertex buffer. - * - * XXX this is totally temporary. - */ -static void -fetch_store_general( struct fetch_pipeline_middle_end *fpme, - void *out_ptr, - const unsigned *fetch_elts, - unsigned count ) -{ - float *out = (float *)out_ptr; - uint i, j; - - for (i = 0; i < count; i++) { - unsigned elt = fetch_elts[i]; - - fpme->header( elt, &out ); - elt &= ~DRAW_PT_FLAG_MASK; - - for (j = 0; j < fpme->nr_fetch; j++) { - float attrib[4]; - const ubyte *from = (fpme->fetch[j].ptr + - fpme->fetch[j].pitch * elt); - - fpme->fetch[j].fetch( from, attrib ); - fpme->fetch[j].emit( attrib, &out ); - } - } -} - - -/* We aren't running a vertex shader, but are running the pipeline. - * That means the vertices we need to build look like: - * - * dw0: vertex header (zero?) - * dw1: clip coord 0 - * dw2: clip coord 1 - * dw3: clip coord 2 - * dw4: clip coord 4 - * dw5: screen coord 0 - * dw6: screen coord 0 - * dw7: screen coord 0 - * dw8: screen coord 0 - * dw9: other attribs... - * - */ -static void fetch_pipeline_prepare( struct draw_pt_middle_end *middle, - unsigned prim, - unsigned opt ) -{ - struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle; - struct draw_context *draw = fpme->draw; - unsigned i, nr = 0; - - fpme->prim = prim; - - /* Emit the vertex header and empty clipspace coord field: - */ - if (draw->user.edgeflag) { - fpme->header = header_ef; - } - else { - fpme->header = header; - } - - - /* Need to look at vertex shader inputs (we know it is a - * passthrough shader, so these define the outputs too). If we - * were running a shader, we'd still be looking at the inputs at - * this point. - */ - for (i = 0; i < draw->vertex_shader->info.num_inputs; i++) { - unsigned buf = draw->vertex_element[i].vertex_buffer_index; - enum pipe_format format = draw->vertex_element[i].src_format; - - fpme->fetch[nr].ptr = ((const ubyte *) draw->user.vbuffer[buf] + - draw->vertex_buffer[buf].buffer_offset + - draw->vertex_element[i].src_offset); - - fpme->fetch[nr].pitch = draw->vertex_buffer[buf].pitch; - fpme->fetch[nr].fetch = draw_get_fetch_func( format ); - - /* Always do this -- somewhat redundant... - */ - fpme->fetch[nr].emit = emit_R32G32B32A32_FLOAT; - nr++; - } - - fpme->nr_fetch = nr; - fpme->pipeline_vertex_size = sizeof(struct vertex_header) + nr * 4 * sizeof(float); -} - - - - -static void fetch_pipeline_run( struct draw_pt_middle_end *middle, - const unsigned *fetch_elts, - unsigned fetch_count, - const ushort *draw_elts, - unsigned draw_count ) -{ - struct fetch_pipeline_middle_end *fpme = (struct fetch_pipeline_middle_end *)middle; - char *pipeline_verts; - - pipeline_verts = MALLOC( fpme->pipeline_vertex_size * - fetch_count ); - if (!pipeline_verts) { - assert(0); - return; - } - - - /* Single routine to fetch vertices and emit pipeline verts. - */ - fetch_store_general( fpme, - pipeline_verts, - fetch_elts, - fetch_count ); - - - /* Run the pipeline - */ - draw_pt_run_pipeline( fpme->draw, - fpme->prim, - (struct vertex_header *)pipeline_verts, - fetch_count, - fpme->pipeline_vertex_size, - draw_elts, - draw_count ); - - - /* Done -- that was easy, wasn't it: - */ - FREE( pipeline_verts ); -} - - - -static void fetch_pipeline_finish( struct draw_pt_middle_end *middle ) -{ - /* nothing to do */ -} - -static void fetch_pipeline_destroy( struct draw_pt_middle_end *middle ) -{ - FREE(middle); -} - - -struct draw_pt_middle_end *draw_pt_fetch_pipeline( struct draw_context *draw ) -{ - struct fetch_pipeline_middle_end *fetch_pipeline = CALLOC_STRUCT( fetch_pipeline_middle_end ); - - fetch_pipeline->base.prepare = fetch_pipeline_prepare; - fetch_pipeline->base.run = fetch_pipeline_run; - fetch_pipeline->base.finish = fetch_pipeline_finish; - fetch_pipeline->base.destroy = fetch_pipeline_destroy; - - fetch_pipeline->draw = draw; - - return &fetch_pipeline->base; -} -