diff options
Diffstat (limited to 'Source/Core/VideoCommon/Src/TextureDecoder.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/Src/TextureDecoder.cpp | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/Source/Core/VideoCommon/Src/TextureDecoder.cpp b/Source/Core/VideoCommon/Src/TextureDecoder.cpp index 9b5baae5ec..fff138c8f1 100644 --- a/Source/Core/VideoCommon/Src/TextureDecoder.cpp +++ b/Source/Core/VideoCommon/Src/TextureDecoder.cpp @@ -20,7 +20,6 @@ #include "CPUDetect.h" #include "TextureDecoder.h" - #include "OpenCL.h" #if defined(HAVE_OPENCL) && HAVE_OPENCL #include "OpenCL/OCLTextureDecoder.h" @@ -96,122 +95,6 @@ int TexDecoder_GetTextureSizeInBytes(int width, int height, int format) return (width * height * TexDecoder_GetTexelSizeInNibbles(format)) / 2; } -#ifdef _M_X64 -u64 TexDecoder_GetHash64(const u8 *src, int len, u32 samples) -{ - const u64 m = 0xc6a4a7935bd1e995; - const int r = 47; - - u64 h = len * m; - u32 Step = (len/8); - const u64 * data = (const u64 *)src; - const u64 * end = data + Step; - if(samples == 0) samples = Step; - Step = Step / samples; - if(Step < 1) Step = 1; - while(data < end) - { - u64 k = data[0]; - data+=Step; - k *= m; - k ^= k >> r; - k *= m; - h ^= k; - h *= m; - } - - const u8 * data2 = (const u8*)end; - - switch(len & 7) - { - case 7: h ^= u64(data2[6]) << 48; - case 6: h ^= u64(data2[5]) << 40; - case 5: h ^= u64(data2[4]) << 32; - case 4: h ^= u64(data2[3]) << 24; - case 3: h ^= u64(data2[2]) << 16; - case 2: h ^= u64(data2[1]) << 8; - case 1: h ^= u64(data2[0]); - h *= m; - }; - - h ^= h >> r; - h *= m; - h ^= h >> r; - - return h; -} - -#else -u64 TexDecoder_GetHash64(const u8 *src, int len, u32 samples) -{ - const u32 m = 0x5bd1e995; - const int r = 24; - - u32 h1 = len; - u32 h2 = 0; - - u32 Step = (len / 4); - const u32 * data = (const u32 *)src; - const u32 * end = data + Step; - const u8 * uEnd = (const u8 *)end; - if(samples == 0) samples = Step; - Step = Step / samples; - - if(Step < 2) Step = 2; - - while(data < end) - { - u32 k1 = data[0]; - k1 *= m; - k1 ^= k1 >> r; - k1 *= m; - h1 *= m; - h1 ^= k1; - - - u32 k2 = data[1]; - k2 *= m; - k2 ^= k2 >> r; - k2 *= m; - h2 *= m; - h2 ^= k2; - data+=Step; - } - - if((len & 7) > 3) - { - u32 k1 = *(end - 1); - k1 *= m; - k1 ^= k1 >> r; - k1 *= m; - h1 *= m; - h1 ^= k1; - len -= 4; - } - - switch(len & 3) - { - case 3: h2 ^= uEnd[2] << 16; - case 2: h2 ^= uEnd[1] << 8; - case 1: h2 ^= uEnd[0]; - h2 *= m; - }; - - h1 ^= h2 >> 18; h1 *= m; - h2 ^= h1 >> 22; h2 *= m; - h1 ^= h2 >> 17; h1 *= m; - h2 ^= h1 >> 19; h2 *= m; - - u64 h = h1; - - h = (h << 32) | h2; - - return h; -} - - -#endif - int TexDecoder_GetBlockWidthInTexels(u32 format) { switch (format) |
