diff options
author | Keith Whitwell <keith@tungstengraphics.com> | 2008-04-18 20:39:13 +0100 |
---|---|---|
committer | Keith Whitwell <keith@tungstengraphics.com> | 2008-04-18 20:39:13 +0100 |
commit | 66891826421d5b774e081f7a2a85580cd0523fab (patch) | |
tree | 1397f5dff0d0fb09180d90d3e3283281fc1662d2 /src/gallium/auxiliary/draw/draw_vertex_cache.c | |
parent | b11d89dc6d230f7f945f9eb420d39921c648ec20 (diff) |
draw: remove draw_vertex_cache.c
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vertex_cache.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_vertex_cache.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/gallium/auxiliary/draw/draw_vertex_cache.c b/src/gallium/auxiliary/draw/draw_vertex_cache.c deleted file mode 100644 index 730c18bcb3..0000000000 --- a/src/gallium/auxiliary/draw/draw_vertex_cache.c +++ /dev/null @@ -1,219 +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 <keith@tungstengraphics.com> - */ - -#include "pipe/p_util.h" -#include "draw_private.h" -#include "draw_context.h" - - -void draw_vertex_cache_invalidate( struct draw_context *draw ) -{ - assert(draw->pq.queue_nr == 0); - assert(draw->vs.queue_nr == 0); - assert(draw->vcache.referenced == 0); - - /* There's an error somewhere in the vcache code that requires this - * memset. The bug is exposed in q3demo demo001, but probably - * elsewhere as well. Will track it down later. - */ - memset(draw->vcache.idx, ~0, sizeof(draw->vcache.idx)); -} - - -/** - * Check if vertex is in cache, otherwise add it. It won't go through - * VS yet, not until there is a flush operation or the VS queue fills up. - * - * Note that cache entries are basically just two pointers: the first - * an index into the user's vertex arrays, the second a location in - * the vertex shader cache for the post-transformed vertex. - * - * \return pointer to location of (post-transformed) vertex header in the cache - */ -static struct vertex_header *get_vertex( struct draw_context *draw, - unsigned i ) -{ - unsigned slot = (i + (i>>5)) % VCACHE_SIZE; - - assert(slot < 32); /* so we don't exceed the bitfield size below */ - - if (draw->vcache.referenced & (1<<slot)) - { - /* Cache hit? - */ - if (draw->vcache.idx[slot].in == i) { - /*debug_printf("HIT %d %d\n", slot, i);*/ - assert(draw->vcache.idx[slot].out < draw->vs.queue_nr); - return draw_header_from_block(draw->vs.vertex_cache, - MAX_VERTEX_ALLOCATION, - draw->vcache.idx[slot].out); - } - - /* Otherwise a collision - */ - slot = VCACHE_SIZE + draw->vcache.overflow++; - /*debug_printf("XXX %d --> %d\n", i, slot);*/ - } - - /* Deal with the cache miss: - */ - { - unsigned out; - struct vertex_header *header; - - assert(slot < Elements(draw->vcache.idx)); - - /*debug_printf("NEW %d %d\n", slot, i);*/ - draw->vcache.idx[slot].in = i; - draw->vcache.idx[slot].out = out = draw->vs.queue_nr++; - draw->vcache.referenced |= (1 << slot); - - - /* Add to vertex shader queue: - */ - assert(draw->vs.queue_nr < VS_QUEUE_LENGTH); - - header = draw_header_from_block(draw->vs.vertex_cache, MAX_VERTEX_ALLOCATION, - out); - draw->vs.elts[out] = i; - header->clipmask = 0; - header->edgeflag = draw_get_edgeflag(draw, i); - header->pad = 0; - header->vertex_id = UNDEFINED_VERTEX_ID; - - /* Need to set the vertex's edge flag here. If we're being called - * by do_ef_triangle(), that function needs edge flag info! - */ - - return draw_header_from_block(draw->vs.vertex_cache, - MAX_VERTEX_ALLOCATION, - draw->vcache.idx[slot].out); - } -} - - -static struct vertex_header *get_uint_elt_vertex( struct draw_context *draw, - unsigned i ) -{ - const unsigned *elts = (const unsigned *) draw->user.elts; - return get_vertex( draw, elts[i] ); -} - - -static struct vertex_header *get_ushort_elt_vertex( struct draw_context *draw, - unsigned i ) -{ - const ushort *elts = (const ushort *) draw->user.elts; - return get_vertex( draw, elts[i] ); -} - - -static struct vertex_header *get_ubyte_elt_vertex( struct draw_context *draw, - unsigned i ) -{ - const ubyte *elts = (const ubyte *) draw->user.elts; - return get_vertex( draw, elts[i] ); -} - - -void draw_vertex_cache_reset_vertex_ids( struct draw_context *draw ) -{ - unsigned i; - - for (i = 0; i < draw->vs.post_nr; i++) { - struct vertex_header * header = - draw_header_from_block(draw->vs.vertex_cache, - MAX_VERTEX_ALLOCATION, i); - header->vertex_id = UNDEFINED_VERTEX_ID; - } -} - - -void draw_vertex_cache_unreference( struct draw_context *draw ) -{ - draw->vcache.referenced = 0; - draw->vcache.overflow = 0; -} - - -int draw_vertex_cache_check_space( struct draw_context *draw, - unsigned nr_verts ) -{ - if (draw->vcache.overflow + nr_verts < VCACHE_OVERFLOW) { - /* The vs queue is sized so that this can never happen: - */ - assert(draw->vs.queue_nr + nr_verts < VS_QUEUE_LENGTH); - return TRUE; - } - else - return FALSE; -} - - - -/** - * Tell the drawing context about the index/element buffer to use - * (ala glDrawElements) - * If no element buffer is to be used (i.e. glDrawArrays) then this - * should be called with eltSize=0 and elements=NULL. - * - * \param draw the drawing context - * \param eltSize size of each element (1, 2 or 4 bytes) - * \param elements the element buffer ptr - */ -void -draw_set_mapped_element_buffer( struct draw_context *draw, - unsigned eltSize, void *elements ) -{ -// draw_statechange( draw ); - - /* choose the get_vertex() function to use */ - switch (eltSize) { - case 0: - draw->vcache.get_vertex = get_vertex; - break; - case 1: - draw->vcache.get_vertex = get_ubyte_elt_vertex; - break; - case 2: - draw->vcache.get_vertex = get_ushort_elt_vertex; - break; - case 4: - draw->vcache.get_vertex = get_uint_elt_vertex; - break; - default: - assert(0); - } - draw->user.elts = elements; - draw->user.eltSize = eltSize; -} - |