mojira.dev
MC-50406

Ice in large quantities renders badly from distance.

Put the summary of the bug you're having here

What I expected to happen was...:
Ice in large quantities from the distance rendering correctly, just like it did at least from Beta 1.3 to 1.6 final.

What actually happened was...:
Ice in large quantities from the distance rendering badly.

Steps to Reproduce:
1. Place loads of ice next to each other in a plane or load a world with a large icy lake or sea;
2. Fly up in creative mode or simply look at it from a tall hill or building.

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kumasasa

Please force a crash by pressing F3 + C for 10 seconds while in-game and attach the crash report ([minecraft/crash-reports/crash-<DATE>-client.txt|http://hopper.minecraft.net/help/finding-minecraft-data-folder]) here.

migrated

Cannot confirm

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Forced the crash as requested.

kumasasa

Java Version: 1.8.0, Oracle Corporation

Is Java 1.8.0 released ?

JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -XX:+UseConcMarkSweepGC -Xmx384m -Xms384m

Minecraft won't run properly with that low amount of ram, please remove the JVM flags and let the Launcher do the default.

OpenGL: ATI Radeon HD 5450 GL version 4.2.12002 Compatibility Profile Context 9.12.0.0, ATI Technologies Inc.

Outdated graphics driver (2 yr old), update to Catalyst 13.12 : http://support.amd.com/en-us/download/desktop?os=Windows+7+-+64#

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1. Java 1.8.0 is early access, it's in development.
2. OK, will do that.
3. OK, will do that too.

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I did as I was told, removed the RAM JVM flags, and updated AMD Catalyst drivers to the last. This still happens.

kumasasa

Ok, please force again a crash and attach that report here.

And please provide the seed (command /seed) and the coordinates (press F3) of that exact location where you see the ice artifacts.

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The coordinates are: 258 108 404.
Attached is an abridged version of the world. The terrain is Beta terrain, generated with the world's original seed that has since been lost (the seed was changed in mid March 2011), so instead I attached a world with only regions 0.0 and 0.1 (I can upload the whole ~3 GB world somewhere if needed, though).
Attached is also the new crash dump.

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Not a world, but an abriged version of the specific world from those screenshots. Coordiantes are in the post above (and are in region 0.0).

kumasasa

Can still not confirm.
Tried with Smooth lighting on/off, fast / fancy graphics.
Have a AMD Radeon HD 6700

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But the problem is there. Another player that plays on my server also started having problems with the ice rendering at the same time I did, which was in the 1.7 snapshots that introduced the new transparency handling.
Also, the problem doesn't manifest itself immediately. The ice renders correctly at first, then after some time flying above it and moving back and forth, the problem starts appearing.

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(Unassigned)

Unconfirmed

Minecraft 14w08a, Minecraft 1.7.5, Minecraft 14w10b

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