diff options
Diffstat (limited to 'thirdparty/meshoptimizer/indexcodec.cpp')
| -rw-r--r-- | thirdparty/meshoptimizer/indexcodec.cpp | 80 |
1 files changed, 1 insertions, 79 deletions
diff --git a/thirdparty/meshoptimizer/indexcodec.cpp b/thirdparty/meshoptimizer/indexcodec.cpp index eeb541e5be..e4495b8586 100644 --- a/thirdparty/meshoptimizer/indexcodec.cpp +++ b/thirdparty/meshoptimizer/indexcodec.cpp @@ -4,14 +4,6 @@ #include <assert.h> #include <string.h> -#ifndef TRACE -#define TRACE 0 -#endif - -#if TRACE -#include <stdio.h> -#endif - // This work is based on: // Fabian Giesen. Simple lossless index buffer compression & follow-up. 2013 // Conor Stokes. Vertex Cache Optimised Index Buffer Compression. 2014 @@ -116,7 +108,7 @@ static unsigned int decodeVByte(const unsigned char*& data) for (int i = 0; i < 4; ++i) { unsigned char group = *data++; - result |= (group & 127) << shift; + result |= unsigned(group & 127) << shift; shift += 7; if (group < 128) @@ -167,38 +159,6 @@ static void writeTriangle(void* destination, size_t offset, size_t index_size, u } } -#if TRACE -static size_t sortTop16(unsigned char dest[16], size_t stats[256]) -{ - size_t destsize = 0; - - for (size_t i = 0; i < 256; ++i) - { - size_t j = 0; - for (; j < destsize; ++j) - { - if (stats[i] >= stats[dest[j]]) - { - if (destsize < 16) - destsize++; - - memmove(&dest[j + 1], &dest[j], destsize - 1 - j); - dest[j] = (unsigned char)i; - break; - } - } - - if (j == destsize && destsize < 16) - { - dest[destsize] = (unsigned char)i; - destsize++; - } - } - - return destsize; -} -#endif - } // namespace meshopt size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, const unsigned int* indices, size_t index_count) @@ -207,11 +167,6 @@ size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, cons assert(index_count % 3 == 0); -#if TRACE - size_t codestats[256] = {}; - size_t codeauxstats[256] = {}; -#endif - // the minimum valid encoding is header, 1 byte per triangle and a 16-byte codeaux table if (buffer_size < 1 + index_count / 3 + 16) return 0; @@ -275,10 +230,6 @@ size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, cons *code++ = (unsigned char)((fe << 4) | fec); -#if TRACE - codestats[code[-1]]++; -#endif - // note that we need to update the last index since free indices are delta-encoded if (fec == 15) encodeIndex(data, c, last), last = c; @@ -334,11 +285,6 @@ size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, cons *data++ = codeaux; } -#if TRACE - codestats[code[-1]]++; - codeauxstats[codeaux]++; -#endif - // note that we need to update the last index since free indices are delta-encoded if (fea == 15) encodeIndex(data, a, last), last = a; @@ -387,30 +333,6 @@ size_t meshopt_encodeIndexBuffer(unsigned char* buffer, size_t buffer_size, cons assert(data >= buffer + index_count / 3 + 16); assert(data <= buffer + buffer_size); -#if TRACE - unsigned char codetop[16], codeauxtop[16]; - size_t codetopsize = sortTop16(codetop, codestats); - size_t codeauxtopsize = sortTop16(codeauxtop, codeauxstats); - - size_t sumcode = 0, sumcodeaux = 0; - for (size_t i = 0; i < 256; ++i) - sumcode += codestats[i], sumcodeaux += codeauxstats[i]; - - size_t acccode = 0, acccodeaux = 0; - - printf("code\t\t\t\t\tcodeaux\n"); - - for (size_t i = 0; i < codetopsize && i < codeauxtopsize; ++i) - { - acccode += codestats[codetop[i]]; - acccodeaux += codeauxstats[codeauxtop[i]]; - - printf("%2d: %02x = %d (%.1f%% ..%.1f%%)\t\t%2d: %02x = %d (%.1f%% ..%.1f%%)\n", - int(i), codetop[i], int(codestats[codetop[i]]), double(codestats[codetop[i]]) / double(sumcode) * 100, double(acccode) / double(sumcode) * 100, - int(i), codeauxtop[i], int(codeauxstats[codeauxtop[i]]), double(codeauxstats[codeauxtop[i]]) / double(sumcodeaux) * 100, double(acccodeaux) / double(sumcodeaux) * 100); - } -#endif - return data - buffer; } |