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Fixes for cubemap loading from ktx/pvr3 container

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This commit is contained in:
attilaz
2021-08-06 09:07:59 +02:00
parent 39c0a7885d
commit b8a7a901db
2 changed files with 16 additions and 6 deletions
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1
include/bimg/bimg.h
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@@ -195,6 +195,7 @@ namespace bimg
bool m_cubeMap; bool m_cubeMap;
bool m_ktx; bool m_ktx;
bool m_ktxLE; bool m_ktxLE;
bool m_pvr3;
bool m_srgb; bool m_srgb;
}; };

21
src/image.cpp
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@@ -3282,6 +3282,7 @@ namespace bimg
imageContainer->m_hasAlpha = false; imageContainer->m_hasAlpha = false;
imageContainer->m_cubeMap = _cubeMap; imageContainer->m_cubeMap = _cubeMap;
imageContainer->m_ktx = false; imageContainer->m_ktx = false;
imageContainer->m_pvr3 = false;
imageContainer->m_ktxLE = false; imageContainer->m_ktxLE = false;
imageContainer->m_srgb = false; imageContainer->m_srgb = false;
@@ -3738,6 +3739,7 @@ namespace bimg
_imageContainer.m_cubeMap = cubeMap; _imageContainer.m_cubeMap = cubeMap;
_imageContainer.m_ktx = false; _imageContainer.m_ktx = false;
_imageContainer.m_ktxLE = false; _imageContainer.m_ktxLE = false;
_imageContainer.m_pvr3 = false;
_imageContainer.m_srgb = srgb; _imageContainer.m_srgb = srgb;
return true; return true;
@@ -4093,6 +4095,7 @@ namespace bimg
_imageContainer.m_cubeMap = numFaces > 1; _imageContainer.m_cubeMap = numFaces > 1;
_imageContainer.m_ktx = true; _imageContainer.m_ktx = true;
_imageContainer.m_ktxLE = fromLittleEndian; _imageContainer.m_ktxLE = fromLittleEndian;
_imageContainer.m_pvr3 = false;
_imageContainer.m_srgb = srgb; _imageContainer.m_srgb = srgb;
if (TextureFormat::Unknown == format) if (TextureFormat::Unknown == format)
@@ -4258,6 +4261,7 @@ namespace bimg
_imageContainer.m_cubeMap = numFaces > 1; _imageContainer.m_cubeMap = numFaces > 1;
_imageContainer.m_ktx = false; _imageContainer.m_ktx = false;
_imageContainer.m_ktxLE = false; _imageContainer.m_ktxLE = false;
_imageContainer.m_pvr3 = true;
_imageContainer.m_srgb = colorSpace > 0; _imageContainer.m_srgb = colorSpace > 0;
return TextureFormat::Unknown != format; return TextureFormat::Unknown != format;
@@ -4319,6 +4323,7 @@ namespace bimg
_imageContainer.m_cubeMap = tc.m_cubeMap; _imageContainer.m_cubeMap = tc.m_cubeMap;
_imageContainer.m_ktx = false; _imageContainer.m_ktx = false;
_imageContainer.m_ktxLE = false; _imageContainer.m_ktxLE = false;
_imageContainer.m_pvr3 = false;
_imageContainer.m_srgb = false; _imageContainer.m_srgb = false;
return _err->isOk(); return _err->isOk();
@@ -5018,7 +5023,7 @@ namespace bimg
const uint8_t* data = (const uint8_t*)_data; const uint8_t* data = (const uint8_t*)_data;
const uint16_t numSides = _imageContainer.m_numLayers * (_imageContainer.m_cubeMap ? 6 : 1); const uint16_t numSides = _imageContainer.m_numLayers * (_imageContainer.m_cubeMap ? 6 : 1);
if (_imageContainer.m_ktx) if (_imageContainer.m_ktx || _imageContainer.m_pvr3)
{ {
uint32_t width = _imageContainer.m_width; uint32_t width = _imageContainer.m_width;
uint32_t height = _imageContainer.m_height; uint32_t height = _imageContainer.m_height;
@@ -5031,12 +5036,16 @@ namespace bimg
depth = bx::max<uint32_t>(1, depth); depth = bx::max<uint32_t>(1, depth);
const uint32_t mipSize = width/blockWidth * height/blockHeight * depth * blockSize; const uint32_t mipSize = width/blockWidth * height/blockHeight * depth * blockSize;
const uint32_t size = mipSize*numSides;
uint32_t imageSize = bx::toHostEndian(*(const uint32_t*)&data[offset], _imageContainer.m_ktxLE);
BX_ASSERT(size == imageSize, "KTX: Image size mismatch %d (expected %d).", size, imageSize);
BX_UNUSED(size, imageSize);
offset += sizeof(uint32_t); if (_imageContainer.m_ktx)
{
const uint32_t size = mipSize * ((_imageContainer.m_numLayers<=1 && _imageContainer.m_cubeMap) ? 1 : numSides);
uint32_t imageSize = bx::toHostEndian(*(const uint32_t*)&data[offset], _imageContainer.m_ktxLE);
BX_ASSERT(size == imageSize, "KTX: Image size mismatch %d (expected %d).", size, imageSize);
BX_UNUSED(size, imageSize);
offset += sizeof(uint32_t);
}
for (uint16_t side = 0; side < numSides; ++side) for (uint16_t side = 0; side < numSides; ++side)
{ {