diff options
-rw-r--r-- | indra/llimage/llimage.cpp | 60 | ||||
-rw-r--r-- | indra/llimage/llimage.h | 3 | ||||
-rw-r--r-- | indra/newview/lltexturecache.cpp | 4 | ||||
-rw-r--r-- | indra/newview/llviewertexture.cpp | 6 |
4 files changed, 61 insertions, 12 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp index a07ea14621..ad765b6415 100644 --- a/indra/llimage/llimage.cpp +++ b/indra/llimage/llimage.cpp @@ -1436,7 +1436,7 @@ void LLImageRaw::copyScaled( LLImageRaw* src ) bool LLImageRaw::scale( S32 new_width, S32 new_height, bool scale_image_data ) { S32 components = getComponents(); - if (! ((1 == components) || (3 == components) || (4 == components) )) + if (components != 1 && components != 3 && components != 4) { LL_WARNS() << "Invalid getComponents value (" << components << ")" << LL_ENDL; return false; @@ -1512,6 +1512,55 @@ bool LLImageRaw::scale( S32 new_width, S32 new_height, bool scale_image_data ) return true ; } +LLPointer<LLImageRaw> LLImageRaw::scaled(S32 new_width, S32 new_height) +{ + LLPointer<LLImageRaw> result; + + S32 components = getComponents(); + if (components != 1 && components != 3 && components != 4) + { + LL_WARNS() << "Invalid getComponents value (" << components << ")" << LL_ENDL; + return result; + } + + if (isBufferInvalid()) + { + LL_WARNS() << "Invalid image buffer" << LL_ENDL; + return result; + } + + S32 old_width = getWidth(); + S32 old_height = getHeight(); + + if ((old_width == new_width) && (old_height == new_height)) + { + result = new LLImageRaw(old_width, old_height, components); + if (!result) + { + LL_WARNS() << "Failed to allocate new image" << LL_ENDL; + return result; + } + memcpy(result->getData(), getData(), getDataSize()); + } + else + { + S32 new_data_size = new_width * new_height * components; + + if (new_data_size > 0) + { + result = new LLImageRaw(new_width, new_height, components); + if (!result) + { + LL_WARNS() << "Failed to allocate new image" << LL_ENDL; + return result; + } + bilinear_scale(getData(), old_width, old_height, components, old_width*components, result->getData(), new_width, new_height, components, new_width*components); + } + } + + return result; +} + void LLImageRaw::copyLineScaled( U8* in, U8* out, S32 in_pixel_len, S32 out_pixel_len, S32 in_pixel_step, S32 out_pixel_step ) { const S32 components = getComponents(); @@ -1785,10 +1834,13 @@ static std::string find_file(std::string &name, S8 *codec) #endif EImageCodec LLImageBase::getCodecFromExtension(const std::string& exten) { - for (int i=0; i<(int)(NUM_FILE_EXTENSIONS); i++) + if (!exten.empty()) { - if (exten == file_extensions[i].exten) - return file_extensions[i].codec; + for (int i = 0; i < (int)(NUM_FILE_EXTENSIONS); i++) + { + if (exten == file_extensions[i].exten) + return file_extensions[i].codec; + } } return IMG_CODEC_INVALID; } diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h index d0bd4a2aef..958c9fad3d 100644 --- a/indra/llimage/llimage.h +++ b/indra/llimage/llimage.h @@ -215,7 +215,8 @@ public: void expandToPowerOfTwo(S32 max_dim = MAX_IMAGE_SIZE, bool scale_image = true); void contractToPowerOfTwo(S32 max_dim = MAX_IMAGE_SIZE, bool scale_image = true); void biasedScaleToPowerOfTwo(S32 max_dim = MAX_IMAGE_SIZE); - bool scale( S32 new_width, S32 new_height, bool scale_image = true ); + bool scale(S32 new_width, S32 new_height, bool scale_image = true); + LLPointer<LLImageRaw> scaled(S32 new_width, S32 new_height); // Fill the buffer with a constant color void fill( const LLColor4U& color ); diff --git a/indra/newview/lltexturecache.cpp b/indra/newview/lltexturecache.cpp index e8b3842ae5..f0c28041d1 100644 --- a/indra/newview/lltexturecache.cpp +++ b/indra/newview/lltexturecache.cpp @@ -1987,15 +1987,13 @@ bool LLTextureCache::writeToFastCache(S32 id, LLPointer<LLImageRaw> raw, S32 dis if(w * h *c > 0) //valid { //make a duplicate to keep the original raw image untouched. - raw = raw->duplicate(); + raw = raw->scaled(w, h); if (raw->isBufferInvalid()) { LL_WARNS() << "Invalid image duplicate buffer" << LL_ENDL; return false; } - raw->scale(w, h) ; - discardlevel += i ; } } diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp index 5de7df7b91..e5a1bed48c 100644 --- a/indra/newview/llviewertexture.cpp +++ b/indra/newview/llviewertexture.cpp @@ -1396,8 +1396,7 @@ void LLViewerFetchedTexture::addToCreateTexture() { //make a duplicate in case somebody else is using this raw image - mRawImage = mRawImage->duplicate(); - mRawImage->scale(w >> i, h >> i) ; + mRawImage = mRawImage->scaled(w >> i, h >> i); } } } @@ -2913,8 +2912,7 @@ void LLViewerFetchedTexture::setCachedRawImage() { //make a duplicate in case somebody else is using this raw image - mRawImage = mRawImage->duplicate(); - mRawImage->scale(w >> i, h >> i) ; + mRawImage = mRawImage->scaled(w >> i, h >> i); } } mCachedRawImage = mRawImage; |