Some openjpeg optimizations and crash preventions from imprudence.

This commit is contained in:
phr0z3nt04st
2010-06-18 23:14:27 -05:00
parent 9f44d1d504
commit bf67293f7d
3 changed files with 23 additions and 11 deletions

View File

@@ -99,6 +99,7 @@ void info_callback(const char* msg, void*)
LLImageJ2COJ::LLImageJ2COJ() : LLImageJ2CImpl()
{
mRawImagep=NULL;
}
@@ -166,9 +167,17 @@ BOOL LLImageJ2COJ::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decod
// The image decode failed if the return was NULL or the component
// count was zero. The latter is just a sanity check before we
// dereference the array.
if(!image || !image->numcomps)
if(!image)
{
llwarns << "ERROR -> decodeImpl: failed to decode image!" << llendl;
LL_DEBUGS("Openjpeg") << "ERROR -> decodeImpl: failed to decode image - no image" << LL_ENDL;
return TRUE; // done
}
S32 img_components = image->numcomps;
if( !img_components ) // < 1 ||img_components > 4 )
{
LL_DEBUGS("Openjpeg") << "ERROR -> decodeImpl: failed to decode image wrong number of components: " << img_components << LL_ENDL;
if (image)
{
opj_image_destroy(image);
@@ -178,20 +187,21 @@ BOOL LLImageJ2COJ::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decod
}
// sometimes we get bad data out of the cache - check to see if the decode succeeded
for (S32 i = 0; i < image->numcomps; i++)
for (S32 i = 0; i < img_components; i++)
{
if (image->comps[i].factor != base.getRawDiscardLevel())
{
// if we didn't get the discard level we're expecting, fail
opj_image_destroy(image);
if (image) //anyway somthing odd with the image, better check than crash
opj_image_destroy(image);
base.mDecoding = FALSE;
return TRUE;
}
}
if(image->numcomps <= first_channel)
if(img_components <= first_channel)
{
llwarns << "trying to decode more channels than are present in image: numcomps: " << image->numcomps << " first_channel: " << first_channel << llendl;
LL_DEBUGS("Openjpeg") << "trying to decode more channels than are present in image: numcomps: " << img_components << " first_channel: " << first_channel << LL_ENDL;
if (image)
{
opj_image_destroy(image);
@@ -202,7 +212,6 @@ BOOL LLImageJ2COJ::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decod
// Copy image data into our raw image format (instead of the separate channel format
S32 img_components = image->numcomps;
S32 channels = img_components - first_channel;
if( channels > max_channel_count )
channels = max_channel_count;
@@ -249,7 +258,10 @@ BOOL LLImageJ2COJ::decodeImpl(LLImageJ2C &base, LLImageRaw &raw_image, F32 decod
}
/* free image data structure */
opj_image_destroy(image);
if (image)
{
opj_image_destroy(image);
}
return TRUE; // done
}

View File

@@ -1016,8 +1016,7 @@ BOOL LLImageGL::createGLTexture(S32 discard_level, const LLImageRaw* imageraw, S
mFormatType = GL_UNSIGNED_BYTE;
break;
default:
//HACKY MCHACK HACK
llinfos << "Bad number of components for texture: " << (U32)getComponents() << llendl;
LL_DEBUGS("Openjpeg") << "Bad number of components for texture: " << (U32)getComponents() << LL_ENDL;
to_create = false;
}
}

View File

@@ -40,7 +40,8 @@
</array>
<key>tags</key>
<array>
<string>ShaderLoading</string>
<string>ShaderLoading</string>
<string>Openjpeg</string>
</array>
</map>
</array>