diff options
Diffstat (limited to 'indra/newview/llworldmipmap.cpp')
-rw-r--r-- | indra/newview/llworldmipmap.cpp | 336 |
1 files changed, 168 insertions, 168 deletions
diff --git a/indra/newview/llworldmipmap.cpp b/indra/newview/llworldmipmap.cpp index 040d0deaf3..2e8fae6e16 100644 --- a/indra/newview/llworldmipmap.cpp +++ b/indra/newview/llworldmipmap.cpp @@ -1,25 +1,25 @@ -/** +/** * @file llworldmipmap.cpp * @brief Data storage for the S3 mipmap of the entire world. * * $LicenseInfo:firstyear=2003&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. - * + * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. - * + * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. - * + * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * + * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -27,31 +27,31 @@ #include "llviewerprecompiledheaders.h" #include "llworldmipmap.h" -#include "llviewercontrol.h" // LLControlGroup +#include "llviewercontrol.h" // LLControlGroup #include "llviewertexturelist.h" -#include "math.h" // log() +#include "math.h" // log() // Turn this on to output tile stats in the standard output #define DEBUG_TILES_STAT 0 LLWorldMipmap::LLWorldMipmap() : - mCurrentLevel(0) + mCurrentLevel(0) { } LLWorldMipmap::~LLWorldMipmap() { - reset(); + reset(); } // Delete all sublevel maps and clean them void LLWorldMipmap::reset() { - for (int level = 0; level < MAP_LEVELS; level++) - { - mWorldObjectsMipMap[level].clear(); - } + for (int level = 0; level < MAP_LEVELS; level++) + { + mWorldObjectsMipMap[level].clear(); + } } // This method should be called before each use of the mipmap (typically, before each draw), so that to let @@ -61,141 +61,141 @@ void LLWorldMipmap::reset() void LLWorldMipmap::equalizeBoostLevels() { #if DEBUG_TILES_STAT - S32 nb_missing = 0; - S32 nb_tiles = 0; - S32 nb_visible = 0; + S32 nb_missing = 0; + S32 nb_tiles = 0; + S32 nb_visible = 0; #endif // DEBUG_TILES_STAT - // For each level - for (S32 level = 0; level < MAP_LEVELS; level++) - { - sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level]; - // For each tile - for (sublevel_tiles_t::iterator iter = level_mipmap.begin(); iter != level_mipmap.end(); iter++) - { - LLPointer<LLViewerFetchedTexture> img = iter->second; - S32 current_boost_level = img->getBoostLevel(); - if (current_boost_level == LLGLTexture::BOOST_MAP_VISIBLE) - { - // If level was BOOST_MAP_VISIBLE, the tile has been used in the last draw so keep it high - img->setBoostLevel(LLGLTexture::BOOST_MAP); - } - else - { - // If level was BOOST_MAP only (or anything else...), the tile wasn't used in the last draw - // so we drop its boost level to BOOST_NONE. - img->setBoostLevel(LLGLTexture::BOOST_NONE); - } + // For each level + for (S32 level = 0; level < MAP_LEVELS; level++) + { + sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level]; + // For each tile + for (sublevel_tiles_t::iterator iter = level_mipmap.begin(); iter != level_mipmap.end(); iter++) + { + LLPointer<LLViewerFetchedTexture> img = iter->second; + S32 current_boost_level = img->getBoostLevel(); + if (current_boost_level == LLGLTexture::BOOST_MAP_VISIBLE) + { + // If level was BOOST_MAP_VISIBLE, the tile has been used in the last draw so keep it high + img->setBoostLevel(LLGLTexture::BOOST_MAP); + } + else + { + // If level was BOOST_MAP only (or anything else...), the tile wasn't used in the last draw + // so we drop its boost level to BOOST_NONE. + img->setBoostLevel(LLGLTexture::BOOST_NONE); + } #if DEBUG_TILES_STAT - // Increment some stats if compile option on - nb_tiles++; - if (current_boost_level == LLGLTexture::BOOST_MAP_VISIBLE) - { - nb_visible++; - } - if (img->isMissingAsset()) - { - nb_missing++; - } + // Increment some stats if compile option on + nb_tiles++; + if (current_boost_level == LLGLTexture::BOOST_MAP_VISIBLE) + { + nb_visible++; + } + if (img->isMissingAsset()) + { + nb_missing++; + } #endif // DEBUG_TILES_STAT - } - } + } + } #if DEBUG_TILES_STAT - LL_INFOS("WorldMap") << "LLWorldMipmap tile stats : total requested = " << nb_tiles << ", visible = " << nb_visible << ", missing = " << nb_missing << LL_ENDL; + LL_INFOS("WorldMap") << "LLWorldMipmap tile stats : total requested = " << nb_tiles << ", visible = " << nb_visible << ", missing = " << nb_missing << LL_ENDL; #endif // DEBUG_TILES_STAT } // This method should be used when the mipmap is not actively used for a while, e.g., the map UI is hidden void LLWorldMipmap::dropBoostLevels() { - // For each level - for (S32 level = 0; level < MAP_LEVELS; level++) - { - sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level]; - // For each tile - for (sublevel_tiles_t::iterator iter = level_mipmap.begin(); iter != level_mipmap.end(); iter++) - { - LLPointer<LLViewerFetchedTexture> img = iter->second; - img->setBoostLevel(LLGLTexture::BOOST_NONE); - } - } + // For each level + for (S32 level = 0; level < MAP_LEVELS; level++) + { + sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level]; + // For each tile + for (sublevel_tiles_t::iterator iter = level_mipmap.begin(); iter != level_mipmap.end(); iter++) + { + LLPointer<LLViewerFetchedTexture> img = iter->second; + img->setBoostLevel(LLGLTexture::BOOST_NONE); + } + } } LLPointer<LLViewerFetchedTexture> LLWorldMipmap::getObjectsTile(U32 grid_x, U32 grid_y, S32 level, bool load) { - // Check the input data - llassert(level <= MAP_LEVELS); - llassert(level >= 1); + // Check the input data + llassert(level <= MAP_LEVELS); + llassert(level >= 1); - // If the *loading* level changed, cleared the new level from "missed" tiles - // so that we get a chance to reload them - if (load && (level != mCurrentLevel)) - { - cleanMissedTilesFromLevel(level); - mCurrentLevel = level; - } + // If the *loading* level changed, cleared the new level from "missed" tiles + // so that we get a chance to reload them + if (load && (level != mCurrentLevel)) + { + cleanMissedTilesFromLevel(level); + mCurrentLevel = level; + } - // Build the region handle - U64 handle = convertGridToHandle(grid_x, grid_y); + // Build the region handle + U64 handle = convertGridToHandle(grid_x, grid_y); - // Check if the image is around already - sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level-1]; - sublevel_tiles_t::iterator found = level_mipmap.find(handle); + // Check if the image is around already + sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level-1]; + sublevel_tiles_t::iterator found = level_mipmap.find(handle); - // If not there and load on, go load it - if (found == level_mipmap.end()) - { - if (load) - { - // Load it - LLPointer<LLViewerFetchedTexture> img = loadObjectsTile(grid_x, grid_y, level); - // Insert the image in the map - level_mipmap.insert(sublevel_tiles_t::value_type( handle, img )); - // Find the element again in the map (it's there now...) - found = level_mipmap.find(handle); - } - else - { - // Return with NULL if not found and we're not trying to load - return NULL; - } - } + // If not there and load on, go load it + if (found == level_mipmap.end()) + { + if (load) + { + // Load it + LLPointer<LLViewerFetchedTexture> img = loadObjectsTile(grid_x, grid_y, level); + // Insert the image in the map + level_mipmap.insert(sublevel_tiles_t::value_type( handle, img )); + // Find the element again in the map (it's there now...) + found = level_mipmap.find(handle); + } + else + { + // Return with NULL if not found and we're not trying to load + return NULL; + } + } - // Get the image pointer and check if this asset is missing - LLPointer<LLViewerFetchedTexture> img = found->second; - if (img->isMissingAsset()) - { - // Return NULL if asset missing - return NULL; - } - else - { - // Boost the tile level so to mark it's in use *if* load on - if (load) - { - img->setBoostLevel(LLGLTexture::BOOST_MAP_VISIBLE); - } - return img; - } + // Get the image pointer and check if this asset is missing + LLPointer<LLViewerFetchedTexture> img = found->second; + if (img->isMissingAsset()) + { + // Return NULL if asset missing + return NULL; + } + else + { + // Boost the tile level so to mark it's in use *if* load on + if (load) + { + img->setBoostLevel(LLGLTexture::BOOST_MAP_VISIBLE); + } + return img; + } } LLPointer<LLViewerFetchedTexture> LLWorldMipmap::loadObjectsTile(U32 grid_x, U32 grid_y, S32 level) { - // Get the grid coordinates - std::string imageurl = gSavedSettings.getString("CurrentMapServerURL") + llformat("map-%d-%d-%d-objects.jpg", level, grid_x, grid_y); + // Get the grid coordinates + std::string imageurl = gSavedSettings.getString("CurrentMapServerURL") + llformat("map-%d-%d-%d-objects.jpg", level, grid_x, grid_y); - // DO NOT COMMIT!! DEBUG ONLY!!! - // Use a local jpeg for every tile to test map speed without S3 access - //imageurl = "file://C:\\Develop\\mapserver-distribute-3\\indra\\build-vc80\\mapserver\\relwithdebinfo\\regions\\00995\\01001\\region-995-1001-prims.jpg"; - // END DEBUG - //LL_INFOS("WorldMap") << "LLWorldMipmap::loadObjectsTile(), URL = " << imageurl << LL_ENDL; + // DO NOT COMMIT!! DEBUG ONLY!!! + // Use a local jpeg for every tile to test map speed without S3 access + //imageurl = "file://C:\\Develop\\mapserver-distribute-3\\indra\\build-vc80\\mapserver\\relwithdebinfo\\regions\\00995\\01001\\region-995-1001-prims.jpg"; + // END DEBUG + //LL_INFOS("WorldMap") << "LLWorldMipmap::loadObjectsTile(), URL = " << imageurl << LL_ENDL; - LLPointer<LLViewerFetchedTexture> img = LLViewerTextureManager::getFetchedTextureFromUrl(imageurl, FTT_MAP_TILE, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE); - LL_INFOS("MAPURL") << "fetching map tile from " << imageurl << LL_ENDL; + LLPointer<LLViewerFetchedTexture> img = LLViewerTextureManager::getFetchedTextureFromUrl(imageurl, FTT_MAP_TILE, TRUE, LLGLTexture::BOOST_NONE, LLViewerTexture::LOD_TEXTURE); + LL_INFOS("MAPURL") << "fetching map tile from " << imageurl << LL_ENDL; - img->setBoostLevel(LLGLTexture::BOOST_MAP); + img->setBoostLevel(LLGLTexture::BOOST_MAP); - // Return the smart pointer - return img; + // Return the smart pointer + return img; } // This method is used to clean up a level from tiles marked as "missing". @@ -204,67 +204,67 @@ LLPointer<LLViewerFetchedTexture> LLWorldMipmap::loadObjectsTile(U32 grid_x, U32 // This creates "blue" areas in a subresolution that never got a chance to reload if we don't clean up the level. void LLWorldMipmap::cleanMissedTilesFromLevel(S32 level) { - // Check the input data - llassert(level <= MAP_LEVELS); - llassert(level >= 0); + // Check the input data + llassert(level <= MAP_LEVELS); + llassert(level >= 0); - // This happens when the object is first initialized - if (level == 0) - { - return; - } + // This happens when the object is first initialized + if (level == 0) + { + return; + } - // Iterate through the subresolution level and suppress the tiles that are marked as missing - // Note: erasing in a map while iterating through it is bug prone. Using a postfix increment is mandatory here. - sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level-1]; - sublevel_tiles_t::iterator it = level_mipmap.begin(); - while (it != level_mipmap.end()) - { - LLPointer<LLViewerFetchedTexture> img = it->second; - if (img->isMissingAsset()) - { - level_mipmap.erase(it++); - } - else - { - ++it; - } - } - return; + // Iterate through the subresolution level and suppress the tiles that are marked as missing + // Note: erasing in a map while iterating through it is bug prone. Using a postfix increment is mandatory here. + sublevel_tiles_t& level_mipmap = mWorldObjectsMipMap[level-1]; + sublevel_tiles_t::iterator it = level_mipmap.begin(); + while (it != level_mipmap.end()) + { + LLPointer<LLViewerFetchedTexture> img = it->second; + if (img->isMissingAsset()) + { + level_mipmap.erase(it++); + } + else + { + ++it; + } + } + return; } // static methods // Compute the level in the world mipmap (between 1 and MAP_LEVELS, as in the URL) given the scale (size of a sim in screen pixels) S32 LLWorldMipmap::scaleToLevel(F32 scale) { - // If scale really small, picks up the higest level there is (lowest resolution) - if (scale <= F32_MIN) - return MAP_LEVELS; - // Compute the power of two resolution level knowing the base level - S32 level = llfloor((log(REGION_WIDTH_METERS/scale)/log(2.0f)) + 1.0f); - // Check bounds and return the value - if (level > MAP_LEVELS) - return MAP_LEVELS; - else if (level < 1) - return 1; - else - return level; + // If scale really small, picks up the higest level there is (lowest resolution) + if (scale <= F32_MIN) + return MAP_LEVELS; + // Compute the power of two resolution level knowing the base level + S32 level = llfloor((log(REGION_WIDTH_METERS/scale)/log(2.0f)) + 1.0f); + // Check bounds and return the value + if (level > MAP_LEVELS) + return MAP_LEVELS; + else if (level < 1) + return 1; + else + return level; } // Convert world coordinates to mipmap grid coordinates at a given level (between 1 and MAP_LEVELS) void LLWorldMipmap::globalToMipmap(F64 global_x, F64 global_y, S32 level, U32* grid_x, U32* grid_y) { - // Check the input data - llassert(level <= MAP_LEVELS); - llassert(level >= 1); + // Check the input data + llassert(level <= MAP_LEVELS); + llassert(level >= 1); - // Convert world coordinates into grid coordinates - *grid_x = lltrunc(global_x/REGION_WIDTH_METERS); - *grid_y = lltrunc(global_y/REGION_WIDTH_METERS); - // Compute the valid grid coordinates at that level of the mipmap - S32 regions_in_tile = 1 << (level - 1); - *grid_x = *grid_x - (*grid_x % regions_in_tile); - *grid_y = *grid_y - (*grid_y % regions_in_tile); + // Convert world coordinates into grid coordinates + *grid_x = lltrunc(global_x/REGION_WIDTH_METERS); + *grid_y = lltrunc(global_y/REGION_WIDTH_METERS); + // Compute the valid grid coordinates at that level of the mipmap + S32 regions_in_tile = 1 << (level - 1); + *grid_x = *grid_x - (*grid_x % regions_in_tile); + *grid_y = *grid_y - (*grid_y % regions_in_tile); } |