Mirrors/bimg
1
0
Fork 0
mirror of https://github.com/bkaradzic/bimg.git synced 2026-02-17 20:52:38 +01:00
Code Issues Packages Projects Releases Wiki Activity

texturec: Added alpha to coverage mip map generation.

Browse Source
This commit is contained in:
Branimir Karadžić
2017-05-22 17:29:33 -07:00
parent a495171fda
commit 612eebbeeb
5 changed files with 249 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

42
tools/texturec/texturec.cpp
View File

@@ -38,6 +38,7 @@ struct Options
, normalMap(false)
, iqa(false)
, sdf(false)
, alphaTest(false)
{
}
@@ -69,6 +70,7 @@ struct Options
bool normalMap;
bool iqa;
bool sdf;
bool alphaTest;
};
bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData, uint32_t _inputSize, const Options& _options, bx::Error* _err)
@@ -123,6 +125,10 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
&& inputFormat == outputFormat
&& !needResize
&& (1 < input->m_numMips) == _options.mips
&& !_options.sdf
&& !_options.alphaTest
&& !_options.normalMap
&& !_options.iqa
;
if (needResize)
@@ -373,6 +379,18 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
, mip.m_format
);
float coverage = 0.0f;
if (_options.alphaTest)
{
coverage = bimg::imageAlphaTestCoverage(bimg::TextureFormat::RGBA8
, mip.m_width
, mip.m_height
, mip.m_width*4
, rgba
, _options.edge
);
}
void* ref = NULL;
if (_options.iqa)
{
@@ -400,6 +418,18 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
, rgba
);
if (_options.alphaTest)
{
bimg::imageScaleAlphaToCoverage(bimg::TextureFormat::RGBA8
, dstMip.m_width
, dstMip.m_height
, dstMip.m_width*4
, rgba
, coverage
, _options.edge
);
}
bimg::imageGetRawData(*output, side, lod, output->m_data, output->m_size, dstMip);
dstData = const_cast<uint8_t*>(dstMip.m_data);
@@ -496,7 +526,8 @@ void help(const char* _error = NULL, bool _showHelp = true)
" -m, --mips Generate mip-maps.\n"
" -n, --normalmap Input texture is normal map.\n"
" --sdf <edge> Compute SDF texture.\n"
" --iqa Image Quality Assesment\n"
" --ref <alpha> Alpha reference value.\n"
" --iqa Image Quality Assessment\n"
" --max <max size> Maximum width/height (image will be scaled down and\n"
" aspect ratio will be preserved.\n"
" --as <extension> Save as.\n"
@@ -572,6 +603,15 @@ int main(int _argc, const char* _argv[])
options.sdf = true;
options.edge = (float)atof(edgeOpt);
}
else
{
const char* alphaRef = cmdLine.findOption("ref");
if (NULL != alphaRef)
{
options.alphaTest = true;
options.edge = (float)atof(alphaRef);
}
}
options.mips = cmdLine.hasArg('m', "mips");
options.normalMap = cmdLine.hasArg('n', "normalmap");