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-rw-r--r--indra/newview/llworldmipmap.cpp336
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);
}