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Added equirectangular projection conversion to cubemap.

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This commit is contained in:
Branimir Karadžić
2018-01-05 15:09:33 -08:00
parent b38c892289
commit 0f75efea06
3 changed files with 221 additions and 1 deletions
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24
tools/texturec/texturec.cpp
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@@ -37,6 +37,7 @@ struct Options
, quality(bimg::Quality::Default)
, mips(false)
, normalMap(false)
, equirect(false)
, iqa(false)
, sdf(false)
, alphaTest(false)
@@ -69,6 +70,7 @@ struct Options
bimg::Quality::Enum quality;
bool mips;
bool normalMap;
bool equirect;
bool iqa;
bool sdf;
bool alphaTest;
@@ -158,6 +160,7 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
&& !_options.sdf
&& !_options.alphaTest
&& !_options.normalMap
&& !_options.equirect
&& !_options.iqa
;
@@ -201,6 +204,23 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
return output;
}
if (_options.equirect)
{
bimg::ImageContainer* src = bimg::imageConvert(_allocator, bimg::TextureFormat::RGBA32F, *input);
bimg::imageFree(input);
bimg::ImageContainer* dst = bimg::imageCubemapFromLatLongRgba32F(_allocator, *src, true, _err);
bimg::imageFree(src);
if (!_err->isOk() )
{
return NULL;
}
input = bimg::imageConvert(_allocator, outputFormat, *dst);
bimg::imageFree(dst);
}
output = bimg::imageAlloc(
_allocator
, outputFormat
@@ -630,6 +650,7 @@ void help(const char* _error = NULL, bool _showHelp = true)
" -q <quality> Encoding quality (default, fastest, highest).\n"
" -m, --mips Generate mip-maps.\n"
" -n, --normalmap Input texture is normal map.\n"
" --equirect Input texture equirectangular projection of cubemap.\n"
" --sdf <edge> Compute SDF texture.\n"
" --ref <alpha> Alpha reference value.\n"
" --iqa Image Quality Assessment\n"
@@ -728,7 +749,8 @@ int main(int _argc, const char* _argv[])
options.mips = cmdLine.hasArg('m', "mips");
options.normalMap = cmdLine.hasArg('n', "normalmap");
options.iqa = cmdLine.hasArg('\0', "iqa");
options.equirect = cmdLine.hasArg("equirect");
options.iqa = cmdLine.hasArg("iqa");
const char* maxSize = cmdLine.findOption("max");
if (NULL != maxSize)