diff options
author | Merov Linden <merov@lindenlab.com> | 2012-04-12 20:19:56 -0700 |
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committer | Merov Linden <merov@lindenlab.com> | 2012-04-12 20:19:56 -0700 |
commit | c410a4e3325350e3d9a72b867dcef44df9136f54 (patch) | |
tree | c6d832133a7216da542e74d80aae197c891bf217 /indra/llimage | |
parent | 172b45d5a217c7cdb922f49706b310edc412fc28 (diff) |
SH-3080 : Implement the TextureReverseByteRange setting so we can play with that parameter
Diffstat (limited to 'indra/llimage')
-rw-r--r-- | indra/llimage/llimage.cpp | 4 | ||||
-rw-r--r-- | indra/llimage/llimage.h | 4 | ||||
-rw-r--r-- | indra/llimage/llimagej2c.cpp | 6 |
3 files changed, 9 insertions, 5 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp index 7f95441075..6775b005f4 100644 --- a/indra/llimage/llimage.cpp +++ b/indra/llimage/llimage.cpp @@ -49,12 +49,14 @@ std::string LLImage::sLastErrorMessage; LLMutex* LLImage::sMutex = NULL; bool LLImage::sUseNewByteRange = false; +S32 LLImage::sMinimalReverseByteRangePercent = 75; LLPrivateMemoryPool* LLImageBase::sPrivatePoolp = NULL ; //static -void LLImage::initClass(bool use_new_byte_range) +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() ; diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h index a643e4d9f5..46e6d1a901 100644 --- a/indra/llimage/llimage.h +++ b/indra/llimage/llimage.h @@ -92,18 +92,20 @@ typedef enum e_image_codec class LLImage { public: - static void initClass(bool use_new_byte_range = false); + static void initClass(bool use_new_byte_range = false, S32 minimal_reverse_byte_range_percent = 75); static void cleanupClass(); static const std::string& getLastError(); static void setLastError(const std::string& message); static bool useNewByteRange() { return sUseNewByteRange; } + static S32 getReverseByteRangePercent() { return sMinimalReverseByteRangePercent; } protected: static LLMutex* sMutex; static std::string sLastErrorMessage; static bool sUseNewByteRange; + static S32 sMinimalReverseByteRangePercent; }; //============================================================================ diff --git a/indra/llimage/llimagej2c.cpp b/indra/llimage/llimagej2c.cpp index 69d261c9a6..4c5c8a9c52 100644 --- a/indra/llimage/llimagej2c.cpp +++ b/indra/llimage/llimagej2c.cpp @@ -289,7 +289,6 @@ S32 LLImageJ2C::calcDataSizeJ2C(S32 w, S32 h, S32 comp, S32 discard_level, F32 r S32 bytes; S32 new_bytes = sqrt((F32)(w*h))*(F32)(comp)*rate*1000.f/layer_factor; S32 old_bytes = (S32)((F32)(w*h*comp)*rate); - //llinfos << "Merov debug : w = " << w << ", h = " << h << ", c = " << comp << ", r = " << rate << ", d = " << discard_level << ", l = " << nb_layers << ", old = " << old_bytes << ", new = " << new_bytes << llendl; bytes = (LLImage::useNewByteRange() ? new_bytes : old_bytes); bytes = llmax(bytes, calcHeaderSizeJ2C()); return bytes; @@ -329,8 +328,9 @@ S32 LLImageJ2C::calcDiscardLevelBytes(S32 bytes) } while (1) { - S32 bytes_needed = calcDataSize(discard_level); // virtual - if (bytes >= bytes_needed - (bytes_needed>>2)) // For J2c, up the res at 75% of the optimal number of bytes + S32 bytes_needed = calcDataSize(discard_level); + // Use TextureReverseByteRange percent (see settings.xml) of the optimal size to qualify as correct rendering for the given discard level + if (bytes >= (bytes_needed*LLImage::getReverseByteRangePercent()/100)) { break; } |