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fix: fix delay when creating QuadCommands 

starts with a bigger buffer, and also increases buffer by 25% if needed.
triggered by particles.

Github issue #15937
This commit is contained in:
Ricardo Quesada 2016-06-23 09:19:21 -07:00
parent bac1870d16
commit e681a9b5d1
1 changed files with 11 additions and 0 deletions
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11
cocos/renderer/CCQuadCommand.cpp
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@ -72,9 +72,20 @@ void QuadCommand::init(float globalOrder, GLuint textureID, GLProgramState* glPr
void QuadCommand::reIndex(int indicesCount) void QuadCommand::reIndex(int indicesCount)
{ {
// first time init: create a decent buffer size for indices to prevent too much resizing
if (__indexCapacity == -1)
{
indicesCount = std::max(indicesCount, 2048);
}
if (indicesCount > __indexCapacity) if (indicesCount > __indexCapacity)
{ {
// if resizing is needed, get needed size plus 25%, but not bigger that max size
indicesCount *= 1.25;
indicesCount = std::min(indicesCount, 65536);
CCLOG("cocos2d: QuadCommand: resizing index size from [%d] to [%d]", __indexCapacity, indicesCount); CCLOG("cocos2d: QuadCommand: resizing index size from [%d] to [%d]", __indexCapacity, indicesCount);
_ownedIndices.push_back(__indices); _ownedIndices.push_back(__indices);
__indices = new (std::nothrow) GLushort[indicesCount]; __indices = new (std::nothrow) GLushort[indicesCount];
__indexCapacity = indicesCount; __indexCapacity = indicesCount;