1 files changed, 0 insertions, 304 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_tex_cache.c b/src/gallium/drivers/llvmpipe/lp_tex_cache.c
deleted file mode 100644
index 773e848242..0000000000
--- a/src/gallium/drivers/llvmpipe/lp_tex_cache.c
+++ /dev/null
@@ -1,304 +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.
- * 
- **************************************************************************/
-
-/**
- * Texture tile caching.
- *
- * Author:
- *    Brian Paul
- */
-
-#include "pipe/p_inlines.h"
-#include "util/u_memory.h"
-#include "util/u_tile.h"
-#include "util/u_format.h"
-#include "lp_context.h"
-#include "lp_surface.h"
-#include "lp_texture.h"
-#include "lp_tex_cache.h"
-
-
-
-/**
- * Return the position in the cache for the tile that contains win pos (x,y).
- * We currently use a direct mapped cache so this is like a hack key.
- * At some point we should investige something more sophisticated, like
- * a LRU replacement policy.
- */
-#define CACHE_POS(x, y) \
-   (((x) + (y) * 5) % NUM_ENTRIES)
-
-
-
-/**
- * Is the tile at (x,y) in cleared state?
- */
-static INLINE uint
-is_clear_flag_set(const uint *bitvec, union tex_tile_address addr)
-{
-   int pos, bit;
-   pos = addr.bits.y * (MAX_TEX_WIDTH / TEX_TILE_SIZE) + addr.bits.x;
-   assert(pos / 32 < (MAX_TEX_WIDTH / TEX_TILE_SIZE) * (MAX_TEX_HEIGHT / TEX_TILE_SIZE) / 32);
-   bit = bitvec[pos / 32] & (1 << (pos & 31));
-   return bit;
-}
-   
-
-/**
- * Mark the tile at (x,y) as not cleared.
- */
-static INLINE void
-clear_clear_flag(uint *bitvec, union tex_tile_address addr)
-{
-   int pos;
-   pos = addr.bits.y * (MAX_TEX_WIDTH / TEX_TILE_SIZE) + addr.bits.x;
-   assert(pos / 32 < (MAX_TEX_WIDTH / TEX_TILE_SIZE) * (MAX_TEX_HEIGHT / TEX_TILE_SIZE) / 32);
-   bitvec[pos / 32] &= ~(1 << (pos & 31));
-}
-   
-
-struct llvmpipe_tex_tile_cache *
-lp_create_tex_tile_cache( struct pipe_screen *screen )
-{
-   struct llvmpipe_tex_tile_cache *tc;
-   uint pos;
-
-   tc = CALLOC_STRUCT( llvmpipe_tex_tile_cache );
-   if (tc) {
-      tc->screen = screen;
-      for (pos = 0; pos < NUM_ENTRIES; pos++) {
-         tc->entries[pos].addr.bits.invalid = 1;
-      }
-      tc->last_tile = &tc->entries[0]; /* any tile */
-   }
-   return tc;
-}
-
-
-void
-lp_destroy_tex_tile_cache(struct llvmpipe_tex_tile_cache *tc)
-{
-   struct pipe_screen *screen;
-   uint pos;
-
-   for (pos = 0; pos < NUM_ENTRIES; pos++) {
-      /*assert(tc->entries[pos].x < 0);*/
-   }
-   if (tc->transfer) {
-      screen = tc->transfer->texture->screen;
-      screen->tex_transfer_destroy(tc->transfer);
-   }
-   if (tc->tex_trans) {
-      screen = tc->tex_trans->texture->screen;
-      screen->tex_transfer_destroy(tc->tex_trans);
-   }
-
-   FREE( tc );
-}
-
-
-void
-lp_tex_tile_cache_map_transfers(struct llvmpipe_tex_tile_cache *tc)
-{
-   if (tc->transfer && !tc->transfer_map)
-      tc->transfer_map = tc->screen->transfer_map(tc->screen, tc->transfer);
-
-   if (tc->tex_trans && !tc->tex_trans_map)
-      tc->tex_trans_map = tc->screen->transfer_map(tc->screen, tc->tex_trans);
-}
-
-
-void
-lp_tex_tile_cache_unmap_transfers(struct llvmpipe_tex_tile_cache *tc)
-{
-   if (tc->transfer_map) {
-      tc->screen->transfer_unmap(tc->screen, tc->transfer);
-      tc->transfer_map = NULL;
-   }
-
-   if (tc->tex_trans_map) {
-      tc->screen->transfer_unmap(tc->screen, tc->tex_trans);
-      tc->tex_trans_map = NULL;
-   }
-}
-
-void
-lp_tex_tile_cache_validate_texture(struct llvmpipe_tex_tile_cache *tc)
-{
-   if (tc->texture) {
-      struct llvmpipe_texture *lpt = llvmpipe_texture(tc->texture);
-      if (lpt->timestamp != tc->timestamp) {
-         /* texture was modified, invalidate all cached tiles */
-         uint i;
-         debug_printf("INV %d %d\n", tc->timestamp, lpt->timestamp);
-         for (i = 0; i < NUM_ENTRIES; i++) {
-            tc->entries[i].addr.bits.invalid = 1;
-         }
-
-         tc->timestamp = lpt->timestamp;
-      }
-   }
-}
-
-/**
- * Specify the texture to cache.
- */
-void
-lp_tex_tile_cache_set_texture(struct llvmpipe_tex_tile_cache *tc,
-                          struct pipe_texture *texture)
-{
-   uint i;
-
-   assert(!tc->transfer);
-
-   if (tc->texture != texture) {
-      pipe_texture_reference(&tc->texture, texture);
-
-      if (tc->tex_trans) {
-         struct pipe_screen *screen = tc->tex_trans->texture->screen;
-         
-         if (tc->tex_trans_map) {
-            screen->transfer_unmap(screen, tc->tex_trans);
-            tc->tex_trans_map = NULL;
-         }
-
-         screen->tex_transfer_destroy(tc->tex_trans);
-         tc->tex_trans = NULL;
-      }
-
-      /* mark as entries as invalid/empty */
-      /* XXX we should try to avoid this when the teximage hasn't changed */
-      for (i = 0; i < NUM_ENTRIES; i++) {
-         tc->entries[i].addr.bits.invalid = 1;
-      }
-
-      tc->tex_face = -1; /* any invalid value here */
-   }
-}
-
-
-/**
- * Given the texture face, level, zslice, x and y values, compute
- * the cache entry position/index where we'd hope to find the
- * cached texture tile.
- * This is basically a direct-map cache.
- * XXX There's probably lots of ways in which we can improve this.
- */
-static INLINE uint
-tex_cache_pos( union tex_tile_address addr )
-{
-   uint entry = (addr.bits.x + 
-                 addr.bits.y * 9 + 
-                 addr.bits.z * 3 + 
-                 addr.bits.face + 
-                 addr.bits.level * 7);
-
-   return entry % NUM_ENTRIES;
-}
-
-/**
- * Similar to lp_get_cached_tile() but for textures.
- * Tiles are read-only and indexed with more params.
- */
-const struct llvmpipe_cached_tex_tile *
-lp_find_cached_tex_tile(struct llvmpipe_tex_tile_cache *tc,
-                        union tex_tile_address addr )
-{
-   struct pipe_screen *screen = tc->screen;
-   struct llvmpipe_cached_tex_tile *tile;
-   
-   tile = tc->entries + tex_cache_pos( addr );
-
-   if (addr.value != tile->addr.value) {
-
-      /* cache miss.  Most misses are because we've invaldiated the
-       * texture cache previously -- most commonly on binding a new
-       * texture.  Currently we effectively flush the cache on texture
-       * bind.
-       */
-#if 0
-      _debug_printf("miss at %u:  x=%d y=%d z=%d face=%d level=%d\n"
-                    "   tile %u:  x=%d y=%d z=%d face=%d level=%d\n",
-                    pos, x/TEX_TILE_SIZE, y/TEX_TILE_SIZE, z, face, level,
-                    pos, tile->addr.bits.x, tile->addr.bits.y, tile->z, tile->face, tile->level);
-#endif
-
-      /* check if we need to get a new transfer */
-      if (!tc->tex_trans ||
-          tc->tex_face != addr.bits.face ||
-          tc->tex_level != addr.bits.level ||
-          tc->tex_z != addr.bits.z) {
-         /* get new transfer (view into texture) */
-
-         if (tc->tex_trans) {
-            if (tc->tex_trans_map) {
-               tc->screen->transfer_unmap(tc->screen, tc->tex_trans);
-               tc->tex_trans_map = NULL;
-            }
-
-            screen->tex_transfer_destroy(tc->tex_trans);
-            tc->tex_trans = NULL;
-         }
-
-         tc->tex_trans = 
-            screen->get_tex_transfer(screen, tc->texture, 
-                                     addr.bits.face, 
-                                     addr.bits.level, 
-                                     addr.bits.z, 
-                                     PIPE_TRANSFER_READ, 0, 0,
-                                     tc->texture->width[addr.bits.level],
-                                     tc->texture->height[addr.bits.level]);
-
-         tc->tex_trans_map = screen->transfer_map(screen, tc->tex_trans);
-
-         tc->tex_face = addr.bits.face;
-         tc->tex_level = addr.bits.level;
-         tc->tex_z = addr.bits.z;
-      }
-
-      {
-         unsigned x = addr.bits.x * TEX_TILE_SIZE;
-         unsigned y = addr.bits.y * TEX_TILE_SIZE;
-         unsigned w = TEX_TILE_SIZE;
-         unsigned h = TEX_TILE_SIZE;
-
-         if (pipe_clip_tile(x, y, &w, &h, tc->tex_trans)) {
-            assert(0);
-         }
-
-         util_format_read_4ub(tc->tex_trans->format,
-                              (uint8_t *)tile->color, sizeof tile->color[0],
-                              tc->tex_trans_map, tc->tex_trans->stride,
-                              x, y, w, h);
-      }
-
-      tile->addr = addr;
-   }
-
-   tc->last_tile = tile;
-   return tile;
-}