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Fixed an issue where the shader would come off when run setTexture. #20603

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Fixed an issue where the shader would come off when run setTexture. #20603

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ea927c8
Fixed not to setprogramState if programState is already set when call…
HirokiIshimori Oct 22, 2020
6e3d316
Fix the condition of setProgramState of setTexture.
HirokiIshimori Oct 27, 2020
c134de8
Fixed so that the condition of setProgramState of setTexture can be c…
HirokiIshimori Oct 27, 2020
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8 changes: 6 additions & 2 deletions cocos/2d/CCSprite.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -417,8 +417,12 @@ void Sprite::setProgramState(backend::ProgramState *programState)

void Sprite::setTexture(Texture2D *texture)
{
auto isETC1 = texture && texture->getAlphaTextureName();
setProgramState((isETC1) ? backend::ProgramType::ETC1 : backend::ProgramType::POSITION_TEXTURE_COLOR);
if (_programState == nullptr || _programState->getProgram()->getProgramType() == backend::ProgramType::POSITION_TEXTURE_COLOR ||
_programState->getProgram()->getProgramType() == backend::ProgramType::ETC1) {
const auto isETC1 = texture && texture->getAlphaTextureName();
setProgramState((isETC1) ? backend::ProgramType::ETC1 : backend::ProgramType::POSITION_TEXTURE_COLOR);
}

CCASSERT(! _batchNode || (texture && texture == _batchNode->getTexture()), "CCSprite: Batched sprites should use the same texture as the batchnode");
// accept texture==nil as argument
CCASSERT( !texture || dynamic_cast<Texture2D*>(texture), "setTexture expects a Texture2D. Invalid argument");
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