[*] Format hint for embedded textures improvement.
parent
cb38054247
commit
9069ea20fa
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@ -147,10 +147,17 @@ struct aiTexture
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unsigned int mHeight;
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/** A hint from the loader to make it easier for applications
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* to determine the type of embedded compressed textures.
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* to determine the type of embedded textures.
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*
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* If mHeight != 0 this member is undefined. Otherwise it
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* is set set to '\\0\\0\\0\\0' if the loader has no additional
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* If mHeight != 0 this member is show how data is packed. Hint will consist of
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* two parts: channel order and channel bitness (count of the bits for every
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* color channel). For simple parsing by the viewer it's better to not omit
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* absent color channel and just use 0 for bitness. For example:
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* 1. Image contain RGBA and 8 bit per channel, achFormatHint == "rgba8888";
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* 2. Image contain ARGB and 8 bit per channel, achFormatHint == "argb8888";
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* 2. Image contain RGB and 5 bit for R and B channels and 6 bit for G channel, achFormatHint == "rgba5650";
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* 3. One color image with B channel and 1 bit for it, achFormatHint == "rgba0010";
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* If mHeight == 0 then achFormatHint is set set to '\\0\\0\\0\\0' if the loader has no additional
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* information about the texture file format used OR the
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* file extension of the format without a trailing dot. If there
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* are multiple file extensions for a format, the shortest
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@ -158,7 +165,7 @@ struct aiTexture
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* E.g. 'dds\\0', 'pcx\\0', 'jpg\\0'. All characters are lower-case.
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* The fourth character will always be '\\0'.
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*/
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char achFormatHint[4];
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char achFormatHint[9];// 8 for string + 1 for terminator.
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/** Data of the texture.
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*
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