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Diffstat (limited to 'src/gallium/auxiliary/draw/draw_vertex_cache.c')
-rw-r--r--src/gallium/auxiliary/draw/draw_vertex_cache.c219
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;
-}
-
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