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Fix GL error GL_INVALID_ENUM in ReadPixels

meow-7.2.2
Ansariel 2017-04-27 09:17:08 +02:00
parent 13e89be3a5
commit 148f0f1d24
1 changed files with 10 additions and 1 deletions
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11
indra/llappearance/lltexlayer.cpp
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@ -1577,7 +1577,16 @@ void LLTexLayer::renderMorphMasks(S32 x, S32 y, S32 width, S32 height, const LLC
}
alpha_data = new U8[width * height];
mAlphaCache[cache_index] = alpha_data;
glReadPixels(x, y, width, height, GL_ALPHA, GL_UNSIGNED_BYTE, alpha_data);
// <FS:Ansariel> Format GL_ALPHA is invalid for glReadPixels
//glReadPixels(x, y, width, height, GL_ALPHA, GL_UNSIGNED_BYTE, alpha_data);
U8* alpha_buffer = new U8[width * height * 4];
glReadPixels(x, y, width, height, GL_RGBA, GL_UNSIGNED_BYTE, alpha_buffer);
for (S32 i = 0; i < width * height; ++i)
{
alpha_data[i] = alpha_buffer[i * 4];
}
delete[] alpha_buffer;
// </FS:Ansariel>
}
getTexLayerSet()->getAvatarAppearance()->dirtyMesh();