diff options
Diffstat (limited to 'indra/llimage/llimage.cpp')
| -rw-r--r-- | indra/llimage/llimage.cpp | 39 |
1 files changed, 30 insertions, 9 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp index 56e01ac851..916c346b7a 100644 --- a/indra/llimage/llimage.cpp +++ b/indra/llimage/llimage.cpp @@ -48,11 +48,15 @@ //static std::string LLImage::sLastErrorMessage; LLMutex* LLImage::sMutex = NULL; +bool LLImage::sUseNewByteRange = false; +S32 LLImage::sMinimalReverseByteRangePercent = 75; LLPrivateMemoryPool* LLImageBase::sPrivatePoolp = NULL ; //static -void LLImage::initClass() +void LLImage::initClass(bool use_new_byte_range, S32 minimal_reverse_byte_range_percent) { + sUseNewByteRange = use_new_byte_range; + sMinimalReverseByteRangePercent = minimal_reverse_byte_range_percent; sMutex = new LLMutex(NULL); LLImageBase::createPrivatePool() ; @@ -288,11 +292,16 @@ LLImageRaw::LLImageRaw(U16 width, U16 height, S8 components) ++sRawImageCount; } -LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components) +LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy) : LLImageBase() { mMemType = LLMemType::MTYPE_IMAGERAW; - if(allocateDataSize(width, height, components)) + + if(no_copy) + { + setDataAndSize(data, width, height, components); + } + else if(allocateDataSize(width, height, components)) { memcpy(getData(), data, width*height*components); } @@ -1334,7 +1343,8 @@ LLImageFormatted::LLImageFormatted(S8 codec) mCodec(codec), mDecoding(0), mDecoded(0), - mDiscardLevel(-1) + mDiscardLevel(-1), + mLevels(0) { mMemType = LLMemType::MTYPE_IMAGEFORMATTED; } @@ -1561,7 +1571,7 @@ void LLImageFormatted::appendData(U8 *data, S32 size) //---------------------------------------------------------------------------- -BOOL LLImageFormatted::load(const std::string &filename) +BOOL LLImageFormatted::load(const std::string &filename, int load_size) { resetLastError(); @@ -1580,14 +1590,19 @@ BOOL LLImageFormatted::load(const std::string &filename) return FALSE; } + // Constrain the load size to acceptable values + if ((load_size == 0) || (load_size > file_size)) + { + load_size = file_size; + } BOOL res; - U8 *data = allocateData(file_size); - apr_size_t bytes_read = file_size; + U8 *data = allocateData(load_size); + apr_size_t bytes_read = load_size; apr_status_t s = apr_file_read(apr_file, data, &bytes_read); // modifies bytes_read - if (s != APR_SUCCESS || (S32) bytes_read != file_size) + if (s != APR_SUCCESS || (S32) bytes_read != load_size) { deleteData(); - setLastError("Unable to read entire file",filename); + setLastError("Unable to read file",filename); res = FALSE; } else @@ -1650,6 +1665,12 @@ static void avg4_colors2(const U8* a, const U8* b, const U8* c, const U8* d, U8* dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); } +void LLImageBase::setDataAndSize(U8 *data, S32 size) +{ + ll_assert_aligned(data, 16); + mData = data; mDataSize = size; +} + //static void LLImageBase::generateMip(const U8* indata, U8* mipdata, S32 width, S32 height, S32 nchannels) { |