mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-28 10:35:43 -05:00
D3D9: Fixed 16-bit texture formats.
This commit is contained in:
Branimir Karadžić
parent
d4d4d41e42
commit
6ef7724d40
3 changed files with 294 additions and 22 deletions
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@ -1252,6 +1252,26 @@ namespace bgfx
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_dst[3] = float( ( (packed>>12) & 0xf) ) / 15.0f;
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}
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// RGBA4
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void packBgra4(void* _dst, const float* _src)
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{
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*( (uint16_t*)_dst) = 0
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| uint16_t(toUnorm(_src[0], 15.0f)<< 8)
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| uint16_t(toUnorm(_src[1], 15.0f)<< 4)
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| uint16_t(toUnorm(_src[2], 15.0f) )
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| uint16_t(toUnorm(_src[3], 15.0f)<<12)
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;
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}
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void unpackBgra4(float* _dst, const void* _src)
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{
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uint16_t packed = *( (const uint16_t*)_src);
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_dst[0] = float( ( (packed>> 8) & 0xf) ) / 15.0f;
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_dst[1] = float( ( (packed>> 4) & 0xf) ) / 15.0f;
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_dst[2] = float( ( (packed ) & 0xf) ) / 15.0f;
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_dst[3] = float( ( (packed>>12) & 0xf) ) / 15.0f;
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}
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// RGB5A1
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void packRgb5a1(void* _dst, const float* _src)
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{
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@ -1272,6 +1292,26 @@ namespace bgfx
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_dst[3] = float( ( (packed>>14) & 0x1) );
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}
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// BGR5A1
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void packBgr5a1(void* _dst, const float* _src)
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{
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*( (uint16_t*)_dst) = 0
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| uint16_t(toUnorm(_src[0], 31.0f)<<10)
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| uint16_t(toUnorm(_src[1], 31.0f)<< 5)
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| uint16_t(toUnorm(_src[2], 31.0f) )
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| uint16_t(toUnorm(_src[3], 1.0f)<<15)
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;
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}
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void unpackBgr5a1(float* _dst, const void* _src)
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{
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uint16_t packed = *( (const uint16_t*)_src);
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_dst[0] = float( ( (packed>>10) & 0x1f) ) / 31.0f;
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_dst[1] = float( ( (packed>> 5) & 0x1f) ) / 31.0f;
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_dst[2] = float( ( (packed ) & 0x1f) ) / 31.0f;
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_dst[3] = float( ( (packed>>14) & 0x1) );
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}
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// RGB10A2
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void packRgb10A2(void* _dst, const float* _src)
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{
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@ -1310,9 +1350,6 @@ namespace bgfx
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_dst[2] = bx::halfToFloat( (packed>>17) & 0x7fe0);
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}
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typedef void (*PackFn)(void*, const float*);
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typedef void (*UnpackFn)(float*, const void*);
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struct PackUnpack
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{
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PackFn pack;
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@ -1405,6 +1442,40 @@ namespace bgfx
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;
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}
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void imageConvert(void* _dst, uint32_t _bpp, PackFn _pack, const void* _src, UnpackFn _unpack, uint32_t _size)
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{
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const uint8_t* src = (uint8_t*)_src;
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uint8_t* dst = (uint8_t*)_dst;
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const uint32_t size = _size * 8 / _bpp;
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for (uint32_t ii = 0; ii < size; ++ii)
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{
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float rgba[4];
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_unpack(rgba, &src[ii*_bpp/8]);
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_pack(&dst[ii*_bpp/8], rgba);
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}
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}
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void imageConvert(void* _dst, uint32_t _dstBpp, PackFn _pack, const void* _src, uint32_t _srcBpp, UnpackFn _unpack, uint32_t _width, uint32_t _height)
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{
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const uint8_t* src = (uint8_t*)_src;
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uint8_t* dst = (uint8_t*)_dst;
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const uint32_t srcPitch = _width * _srcBpp / 8;
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const uint32_t dstPitch = _width * _dstBpp / 8;
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for (uint32_t yy = 0; yy < _height; ++yy, src += srcPitch, dst += dstPitch)
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{
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for (uint32_t xx = 0; xx < _width; ++xx)
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{
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float rgba[4];
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_unpack(rgba, &src[xx*_srcBpp/8]);
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_pack(&dst[xx*_dstBpp/8], rgba);
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}
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}
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}
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bool imageConvert(void* _dst, TextureFormat::Enum _dstFormat, const void* _src, TextureFormat::Enum _srcFormat, uint32_t _width, uint32_t _height)
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{
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UnpackFn unpack = s_packUnpack[_srcFormat].unpack;
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@ -1415,23 +1486,9 @@ namespace bgfx
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return false;
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}
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const uint8_t* src = (uint8_t*)_src;
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uint8_t* dst = (uint8_t*)_dst;
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const uint32_t srcBpp = s_imageBlockInfo[_srcFormat].bitsPerPixel;
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const uint32_t dstBpp = s_imageBlockInfo[_dstFormat].bitsPerPixel;
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const uint32_t srcPitch = _width * srcBpp / 8;
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const uint32_t dstPitch = _width * dstBpp / 8;
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for (uint32_t yy = 0; yy < _height; ++yy, src += srcPitch, dst += dstPitch)
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{
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for (uint32_t xx = 0; xx < _width; ++xx)
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{
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float rgba[4];
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unpack(rgba, &src[xx*srcBpp/8]);
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pack(&dst[xx*dstBpp/8], rgba);
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}
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}
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imageConvert(_dst, dstBpp, pack, _src, srcBpp, unpack, _width, _height);
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return true;
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}
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189
src/image.h
189
src/image.h
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@ -66,6 +66,189 @@ namespace bgfx
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uint8_t encoding;
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};
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typedef void (*PackFn)(void*, const float*);
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typedef void (*UnpackFn)(float*, const void*);
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// R8
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void packR8(void* _dst, const float* _src);
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void unpackR8(float* _dst, const void* _src);
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// R8S
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void packR8S(void* _dst, const float* _src);
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void unpackR8S(float* _dst, const void* _src);
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// R8I
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void packR8I(void* _dst, const float* _src);
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void unpackR8I(float* _dst, const void* _src);
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// R8U
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void packR8U(void* _dst, const float* _src);
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void unpackR8U(float* _dst, const void* _src);
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// RG8
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void packRg8(void* _dst, const float* _src);
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void unpackRg8(float* _dst, const void* _src);
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// RG8S
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void packRg8S(void* _dst, const float* _src);
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void unpackRg8S(float* _dst, const void* _src);
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// RG8I
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void packRg8I(void* _dst, const float* _src);
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void unpackRg8I(float* _dst, const void* _src);
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// RG8U
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void packRg8U(void* _dst, const float* _src);
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void unpackRg8U(float* _dst, const void* _src);
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// RGBA8
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void packRgba8(void* _dst, const float* _src);
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void unpackRgba8(float* _dst, const void* _src);
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// BGRA8
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void packBgra8(void* _dst, const float* _src);
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void unpackBgra8(float* _dst, const void* _src);
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// RGBA8S
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void packRgba8S(void* _dst, const float* _src);
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void unpackRgba8S(float* _dst, const void* _src);
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// RGBA8I
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void packRgba8I(void* _dst, const float* _src);
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void unpackRgba8I(float* _dst, const void* _src);
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// RGBA8U
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void packRgba8U(void* _dst, const float* _src);
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void unpackRgba8U(float* _dst, const void* _src);
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// R16
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void packR16(void* _dst, const float* _src);
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void unpackR16(float* _dst, const void* _src);
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// R16S
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void packR16S(void* _dst, const float* _src);
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void unpackR16S(float* _dst, const void* _src);
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// R16I
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void packR16I(void* _dst, const float* _src);
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void unpackR16I(float* _dst, const void* _src);
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// R16U
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void packR16U(void* _dst, const float* _src);
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void unpackR16U(float* _dst, const void* _src);
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// R16F
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void packR16F(void* _dst, const float* _src);
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void unpackR16F(float* _dst, const void* _src);
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// RG16
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void packRg16(void* _dst, const float* _src);
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void unpackRg16(float* _dst, const void* _src);
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// RG16S
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void packRg16S(void* _dst, const float* _src);
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void unpackRg16S(float* _dst, const void* _src);
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// RG16I
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void packRg16I(void* _dst, const float* _src);
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void unpackRg16I(float* _dst, const void* _src);
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// RG16U
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void packRg16U(void* _dst, const float* _src);
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void unpackRg16U(float* _dst, const void* _src);
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// RG16F
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void packRg16F(void* _dst, const float* _src);
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void unpackRg16F(float* _dst, const void* _src);
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// RGBA16
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void packRgba16(void* _dst, const float* _src);
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void unpackRgba16(float* _dst, const void* _src);
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// RGBA16S
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void packRgba16S(void* _dst, const float* _src);
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void unpackRgba16S(float* _dst, const void* _src);
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// RGBA16I
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void packRgba16I(void* _dst, const float* _src);
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void unpackRgba16I(float* _dst, const void* _src);
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// RGBA16U
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void packRgba16U(void* _dst, const float* _src);
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void unpackRgba16U(float* _dst, const void* _src);
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// RGBA16F
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void packRgba16F(void* _dst, const float* _src);
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void unpackRgba16F(float* _dst, const void* _src);
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// R32I
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void packR32I(void* _dst, const float* _src);
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void unpackR32I(float* _dst, const void* _src);
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// R32U
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void packR32U(void* _dst, const float* _src);
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void unpackR32U(float* _dst, const void* _src);
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// R32F
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void packR32F(void* _dst, const float* _src);
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void unpackR32F(float* _dst, const void* _src);
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// RG32I
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void packRg32I(void* _dst, const float* _src);
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void unpackRg32I(float* _dst, const void* _src);
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// RG32U
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void packRg32U(void* _dst, const float* _src);
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void unpackRg32U(float* _dst, const void* _src);
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// RGB9E5F
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void packRgb9E5F(void* _dst, const float* _src);
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void unpackRgb9E5F(float* _dst, const void* _src);
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// RGBA32I
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void packRgba32I(void* _dst, const float* _src);
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void unpackRgba32I(float* _dst, const void* _src);
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// RGBA32U
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void packRgba32U(void* _dst, const float* _src);
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void unpackRgba32U(float* _dst, const void* _src);
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// RGBA32F
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void packRgba32F(void* _dst, const float* _src);
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void unpackRgba32F(float* _dst, const void* _src);
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// R5G6B5
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void packR5G6B5(void* _dst, const float* _src);
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void unpackR5G6B5(float* _dst, const void* _src);
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// RGBA4
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void packRgba4(void* _dst, const float* _src);
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void unpackRgba4(float* _dst, const void* _src);
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// RGBA4
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void packBgra4(void* _dst, const float* _src);
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void unpackBgra4(float* _dst, const void* _src);
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// RGB5A1
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void packRgb5a1(void* _dst, const float* _src);
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void unpackRgb5a1(float* _dst, const void* _src);
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// BGR5A1
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void packBgr5a1(void* _dst, const float* _src);
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void unpackBgr5a1(float* _dst, const void* _src);
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// RGB10A2
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void packRgb10A2(void* _dst, const float* _src);
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void unpackRgb10A2(float* _dst, const void* _src);
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// R11G11B10F
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void packR11G11B10F(void* _dst, const float* _src);
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void unpackR11G11B10F(float* _dst, const void* _src);
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// RG32F
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void packRg32F(void* _dst, const float* _src);
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void unpackRg32F(float* _dst, const void* _src);
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/// Returns true if texture format is compressed.
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bool isCompressed(TextureFormat::Enum _format);
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@ -120,6 +303,12 @@ namespace bgfx
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///
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bool imageConvert(TextureFormat::Enum _dstFormat, TextureFormat::Enum _srcFormat);
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///
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void imageConvert(void* _dst, uint32_t _bpp, PackFn _pack, const void* _src, UnpackFn _unpack, uint32_t _size);
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///
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void imageConvert(void* _dst, uint32_t _dstBpp, PackFn _pack, const void* _src, uint32_t _srcBpp, UnpackFn _unpack, uint32_t _width, uint32_t _height);
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///
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bool imageConvert(void* _dst, TextureFormat::Enum _dstFormat, const void* _src, TextureFormat::Enum _srcFormat, uint32_t _width, uint32_t _height);
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@ -2927,7 +2927,20 @@ namespace bgfx { namespace d3d9
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else
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{
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uint32_t size = useMipSize ? mip.m_size : mipSize;
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switch (m_textureFormat)
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{
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case TextureFormat::RGB5A1:
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imageConvert(bits, 16, packBgr5a1, mip.m_data, unpackRgb5a1, size);
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break;
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case TextureFormat::RGBA4:
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imageConvert(bits, 16, packBgra4, mip.m_data, unpackRgba4, size);
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break;
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default:
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memcpy(bits, mip.m_data, size);
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break;
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}
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}
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unlock(side, lod);
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@ -2976,7 +2989,20 @@ namespace bgfx { namespace d3d9
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uint8_t* dst = bits;
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for (uint32_t yy = 0, height = _rect.m_height; yy < height; ++yy)
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{
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switch (m_textureFormat)
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{
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case TextureFormat::RGB5A1:
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imageConvert(dst, 16, packBgr5a1, src, unpackRgb5a1, rectpitch);
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break;
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case TextureFormat::RGBA4:
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imageConvert(dst, 16, packBgra4, src, unpackRgba4, rectpitch);
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break;
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default:
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memcpy(dst, src, rectpitch);
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break;
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}
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src += srcpitch;
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dst += dstpitch;
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}
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