**************************************************************************/
/**
- * Texture tile caching.
+ * Render target tile caching.
*
* Author:
* Brian Paul
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 );
}
sp_tile_cache_set_surface(struct softpipe_tile_cache *tc,
struct pipe_surface *ps)
{
- assert(!tc->texture);
-
if (tc->transfer) {
struct pipe_screen *screen = tc->transfer->texture->screen;
{
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);
}
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;
- }
-}
-
-
-/**
- * Invalidate all cached tiles for the cached texture.
- * Should be called when the texture is modified.
- */
-void
-sp_tile_cache_validate_texture(struct softpipe_tile_cache *tc)
-{
- uint i;
-
- assert(tc);
- assert(tc->texture);
-
- for (i = 0; i < NUM_ENTRIES; i++) {
- tc->entries[i].addr.bits.invalid = 1;
- }
-}
-
-
-/**
- * Specify the texture to cache.
- */
-void
-sp_tile_cache_set_texture(struct softpipe_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 */
- }
}
switch (pf_get_size(format)) {
case 1:
- memset(tile->data.any, 0, TILE_SIZE * TILE_SIZE);
+ memset(tile->data.any, clear_value, TILE_SIZE * TILE_SIZE);
break;
case 2:
if (clear_value == 0) {
/* push the tile to all positions marked as clear */
for (y = 0; y < h; y += TILE_SIZE) {
for (x = 0; x < w; x += TILE_SIZE) {
- union tile_address addr = tile_address(x, y, 0, 0, 0);
+ union tile_address addr = tile_address(x, y);
if (is_clear_flag_set(tc->clear_flags, addr)) {
pipe_put_tile_raw(pt,
sp_tile_cache_flush_clear(tc);
#endif
}
- else if (tc->texture) {
- /* caching a texture, mark all entries as empty */
- for (pos = 0; pos < NUM_ENTRIES; pos++) {
- tc->entries[pos].addr.bits.invalid = 1;
- }
- tc->tex_face = -1;
- }
#if 0
debug_printf("flushed tiles in use: %d\n", inuse);
}
-/**
- * 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 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 sp_get_cached_tile() but for textures.
- * Tiles are read-only and indexed with more params.
- */
-const struct softpipe_cached_tile *
-sp_find_cached_tile_tex(struct softpipe_tile_cache *tc,
- union tile_address addr )
-{
- struct pipe_screen *screen = tc->screen;
- struct softpipe_cached_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/TILE_SIZE, y/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;
- }
-
- /* get tile from the transfer (view into texture) */
- pipe_get_tile_rgba(tc->tex_trans,
- addr.bits.x * TILE_SIZE,
- addr.bits.y * TILE_SIZE,
- TILE_SIZE, TILE_SIZE,
- (float *) tile->data.color);
- tile->addr = addr;
- }
-
- tc->last_tile = tile;
- return tile;
-}
/**
projects / mesa.git / blobdiff