Fixed SDF.

This commit is contained in:
Branimir Karadžić
2017-11-29 16:53:00 -08:00
parent 886ba55a25
commit 39a8c56545
3 changed files with 87 additions and 2 deletions

View File

@@ -533,6 +533,18 @@ namespace bimg
, bx::Error* _err
);
///
void imageDecodeToR8(
bx::AllocatorI* _allocator
, void* _dst
, const void* _src
, uint32_t _width
, uint32_t _height
, uint32_t _depth
, uint32_t _dstPitch
, TextureFormat::Enum _srcFormat
);
///
void imageDecodeToBgra8(
void* _dst

View File

@@ -2775,6 +2775,31 @@ namespace bimg
return imageParse(_imageContainer, &reader, _err);
}
void imageDecodeToR8(bx::AllocatorI* _allocator, void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _depth, uint32_t _dstPitch, TextureFormat::Enum _srcFormat)
{
const uint8_t* src = (const uint8_t*)_src;
uint8_t* dst = (uint8_t*)_dst;
const uint32_t srcBpp = s_imageBlockInfo[_srcFormat].bitsPerPixel;
const uint32_t srcPitch = _width*srcBpp/8;
for (uint32_t zz = 0; zz < _depth; ++zz, src += _height*srcPitch, dst += _height*_dstPitch)
{
if (isCompressed(_srcFormat))
{
uint32_t size = imageGetSize(NULL, uint16_t(_width), uint16_t(_height), 0, false, false, 1, TextureFormat::RGBA8);
void* temp = BX_ALLOC(_allocator, size);
imageDecodeToRgba8(temp, _src, _width, _height, _width*4, _srcFormat);
imageConvert(dst, TextureFormat::R8, temp, TextureFormat::RGBA8, _width, _height, 1, _width*4);
BX_FREE(_allocator, temp);
}
else
{
imageConvert(dst, TextureFormat::R8, src, _srcFormat, _width, _height, 1, srcPitch);
}
}
}
void imageDecodeToBgra8(void* _dst, const void* _src, uint32_t _width, uint32_t _height, uint32_t _dstPitch, TextureFormat::Enum _srcFormat)
{
const uint8_t* src = (const uint8_t*)_src;

View File

@@ -118,6 +118,11 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
outputFormat = _options.format;
}
if (_options.sdf)
{
outputFormat = bimg::TextureFormat::R8;
}
const bimg::ImageBlockInfo& inputBlockInfo = bimg::getBlockInfo(inputFormat);
const bimg::ImageBlockInfo& outputBlockInfo = bimg::getBlockInfo(outputFormat);
const uint32_t blockWidth = outputBlockInfo.blockWidth;
@@ -410,6 +415,43 @@ bimg::ImageContainer* convert(bx::AllocatorI* _allocator, const void* _inputData
BX_FREE(_allocator, rgbaDst);
}
else if (_options.sdf)
{
uint32_t size = bimg::imageGetSize(
NULL
, uint16_t(dstMip.m_width)
, uint16_t(dstMip.m_height)
, uint16_t(dstMip.m_depth)
, false
, false
, 1
, bimg::TextureFormat::R8
);
temp = BX_ALLOC(_allocator, size);
uint8_t* rgba = (uint8_t*)temp;
bimg::imageDecodeToR8(_allocator
, rgba
, mip.m_data
, mip.m_width
, mip.m_height
, mip.m_depth
, mip.m_width
, mip.m_format
);
bimg::imageGetRawData(*output, side, 0, output->m_data, output->m_size, dstMip);
dstData = const_cast<uint8_t*>(dstMip.m_data);
bimg::imageMakeDist(_allocator
, dstData
, mip.m_width
, mip.m_height
, mip.m_width
, _options.edge
, rgba
);
}
else
{
uint32_t size = bimg::imageGetSize(
@@ -666,7 +708,10 @@ int main(int _argc, const char* _argv[])
if (NULL != edgeOpt)
{
options.sdf = true;
options.edge = (float)atof(edgeOpt);
if (!bx::fromString(&options.edge, edgeOpt) )
{
options.edge = 255.0f;
}
}
else
{
@@ -674,7 +719,10 @@ int main(int _argc, const char* _argv[])
if (NULL != alphaRef)
{
options.alphaTest = true;
options.edge = (float)atof(alphaRef);
if (!bx::fromString(&options.edge, alphaRef))
{
options.edge = 0.5f;
}
}
}