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Image: Added depth format pack/unpack.

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This commit is contained in:
Branimir Karadžić
2016-09-24 00:29:22 -07:00
parent 2ede6852fb
commit e2302ec6c0
1 changed files with 60 additions and 9 deletions
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69
src/image.cpp
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@@ -93,9 +93,9 @@ namespace bgfx
{ 24, 1, 1, 3, 1, 1, 24, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D24
{ 32, 1, 1, 4, 1, 1, 24, 8, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D24S8
{ 32, 1, 1, 4, 1, 1, 32, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D32
{ 16, 1, 1, 2, 1, 1, 16, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D16F
{ 24, 1, 1, 3, 1, 1, 24, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D24F
{ 32, 1, 1, 4, 1, 1, 32, 0, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D32F
{ 16, 1, 1, 2, 1, 1, 16, 0, 0, 0, 0, 0, uint8_t(EncodingType::Float) }, // D16F
{ 24, 1, 1, 3, 1, 1, 24, 0, 0, 0, 0, 0, uint8_t(EncodingType::Float) }, // D24F
{ 32, 1, 1, 4, 1, 1, 32, 0, 0, 0, 0, 0, uint8_t(EncodingType::Float) }, // D32F
{ 8, 1, 1, 1, 1, 1, 0, 8, 0, 0, 0, 0, uint8_t(EncodingType::Unorm) }, // D0S8
};
BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_imageBlockInfo) );
@@ -1251,6 +1251,57 @@ namespace bgfx
_dst[3] = bx::halfToFloat(src[3]);
}
// R24
void packR24(void* _dst, const float* _src)
{
uint8_t* dst = (uint8_t*)_dst;
const uint32_t rr = uint32_t(toUnorm(_src[0], 16777216.0f) );
dst[0] = uint8_t(rr );
dst[1] = uint8_t(rr>> 8);
dst[2] = uint8_t(rr>>16);
}
void unpackR24(float* _dst, const void* _src)
{
const uint8_t* src = (const uint8_t*)_src;
const uint32_t rr = 0
| (src[0] )
| (src[1]<< 8)
| (src[2]<<16)
;
_dst[0] = fromUnorm(rr, 16777216.0f);
_dst[1] = 0.0f;
_dst[2] = 0.0f;
_dst[3] = 1.0f;
}
// R24G8
void packR24G8(void* _dst, const float* _src)
{
uint8_t* dst = (uint8_t*)_dst;
const uint32_t rr = uint32_t(toUnorm(_src[0], 16777216.0f) );
dst[0] = uint8_t(rr );
dst[1] = uint8_t(rr>> 8);
dst[2] = uint8_t(rr>>16);
dst[3] = uint8_t(toUnorm(_src[1], 255.0f) );
}
void unpackR24G8(float* _dst, const void* _src)
{
const uint8_t* src = (const uint8_t*)_src;
const uint32_t rr = 0
| (src[0] )
| (src[1]<< 8)
| (src[2]<<16)
;
_dst[0] = fromUnorm(rr, 16777216.0f);
_dst[1] = fromUnorm(src[3], 255.0f);
_dst[2] = 0.0f;
_dst[3] = 1.0f;
}
// R32I
void packR32I(void* _dst, const float* _src)
{
@@ -1632,14 +1683,14 @@ namespace bgfx
{ packRgb10A2, unpackRgb10A2 }, // RGB10A2
{ packR11G11B10F, unpackR11G11B10F }, // R11G11B10F
{ NULL, NULL }, // UnknownDepth
{ NULL, NULL }, // D16
{ NULL, NULL }, // D24
{ NULL, NULL }, // D24S8
{ packR16, unpackR16 }, // D16
{ packR24, unpackR24 }, // D24
{ packR24G8, unpackR24G8 }, // D24S8
{ NULL, NULL }, // D32
{ NULL, NULL }, // D16F
{ packR16F, unpackR16F }, // D16F
{ NULL, NULL }, // D24F
{ NULL, NULL }, // D32F
{ NULL, NULL }, // D0S8
{ packR32F, unpackR32F }, // D32F
{ packR8, unpackR8 }, // D0S8
};
BX_STATIC_ASSERT(TextureFormat::Count == BX_COUNTOF(s_packUnpack) );