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-rw-r--r--indra/llimage/llimage.h403
1 files changed, 201 insertions, 202 deletions
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h
index e3fbe68d7b..7f759f7679 100644
--- a/indra/llimage/llimage.h
+++ b/indra/llimage/llimage.h
@@ -1,25 +1,25 @@
-/**
+/**
* @file llimage.h
* @brief Object for managing images and their textures.
*
* $LicenseInfo:firstyear=2000&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
- *
+ *
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
- *
+ *
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
- *
+ *
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
+ *
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
@@ -35,21 +35,21 @@
const S32 MIN_IMAGE_MIP = 2; // 4x4, only used for expand/contract power of 2
const S32 MAX_IMAGE_MIP = 12; // 4096x4096
-// *TODO : Use MAX_IMAGE_MIP as max discard level and modify j2c management so that the number
+// *TODO : Use MAX_IMAGE_MIP as max discard level and modify j2c management so that the number
// of levels is read from the header's file, not inferred from its size.
const S32 MAX_DISCARD_LEVEL = 5;
// JPEG2000 size constraints
// Those are declared here as they are germane to other image constraints used in the viewer
// and declared right here. Some come from the JPEG2000 spec, some conventions specific to SL.
-const S32 MAX_DECOMPOSITION_LEVELS = 32; // Number of decomposition levels cannot exceed 32 according to jpeg2000 spec
-const S32 MIN_DECOMPOSITION_LEVELS = 5; // the SL viewer will *crash* trying to decode images with fewer than 5 decomposition levels (unless image is small that is)
-const S32 MAX_PRECINCT_SIZE = 4096; // No reason to be bigger than MAX_IMAGE_SIZE
-const S32 MIN_PRECINCT_SIZE = 4; // Can't be smaller than MIN_BLOCK_SIZE
-const S32 MAX_BLOCK_SIZE = 64; // Max total block size is 4096, hence 64x64 when using square blocks
-const S32 MIN_BLOCK_SIZE = 4; // Min block dim is 4 according to jpeg2000 spec
-const S32 MIN_LAYER_SIZE = 2000; // Size of the first quality layer (after header). Must be > to FIRST_PACKET_SIZE!!
-const S32 MAX_NB_LAYERS = 64; // Max number of layers we'll entertain in SL (practical limit)
+const S32 MAX_DECOMPOSITION_LEVELS = 32; // Number of decomposition levels cannot exceed 32 according to jpeg2000 spec
+const S32 MIN_DECOMPOSITION_LEVELS = 5; // the SL viewer will *crash* trying to decode images with fewer than 5 decomposition levels (unless image is small that is)
+const S32 MAX_PRECINCT_SIZE = 4096; // No reason to be bigger than MAX_IMAGE_SIZE
+const S32 MIN_PRECINCT_SIZE = 4; // Can't be smaller than MIN_BLOCK_SIZE
+const S32 MAX_BLOCK_SIZE = 64; // Max total block size is 4096, hence 64x64 when using square blocks
+const S32 MIN_BLOCK_SIZE = 4; // Min block dim is 4 according to jpeg2000 spec
+const S32 MIN_LAYER_SIZE = 2000; // Size of the first quality layer (after header). Must be > to FIRST_PACKET_SIZE!!
+const S32 MAX_NB_LAYERS = 64; // Max number of layers we'll entertain in SL (practical limit)
const S32 MIN_IMAGE_SIZE = (1<<MIN_IMAGE_MIP); // 4, only used for expand/contract power of 2
const S32 MAX_IMAGE_SIZE = (1<<MAX_IMAGE_MIP); // 4096
@@ -75,15 +75,15 @@ class LLColor3;
typedef enum e_image_codec
{
- IMG_CODEC_INVALID = 0,
- IMG_CODEC_RGB = 1,
- IMG_CODEC_J2C = 2,
- IMG_CODEC_BMP = 3,
- IMG_CODEC_TGA = 4,
- IMG_CODEC_JPEG = 5,
- IMG_CODEC_DXT = 6,
- IMG_CODEC_PNG = 7,
- IMG_CODEC_EOF = 8
+ IMG_CODEC_INVALID = 0,
+ IMG_CODEC_RGB = 1,
+ IMG_CODEC_J2C = 2,
+ IMG_CODEC_BMP = 3,
+ IMG_CODEC_TGA = 4,
+ IMG_CODEC_JPEG = 5,
+ IMG_CODEC_DXT = 6,
+ IMG_CODEC_PNG = 7,
+ IMG_CODEC_EOF = 8
} EImageCodec;
//============================================================================
@@ -93,87 +93,86 @@ typedef enum e_image_codec
class LLImage
{
public:
- 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; }
-
+ static void initClass(bool use_new_byte_range = false, S32 minimal_reverse_byte_range_percent = 75);
+ static void cleanupClass();
+
+ static const std::string& getLastThreadError();
+ 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 thread_local std::string sLastThreadErrorMessage;
+ static bool sUseNewByteRange;
static S32 sMinimalReverseByteRangePercent;
};
//============================================================================
// Image base class
-class LLImageBase
-: public LLThreadSafeRefCount
+class LLImageBase
+: public LLThreadSafeRefCount
{
protected:
- virtual ~LLImageBase();
+ virtual ~LLImageBase();
- virtual void deleteData();
- virtual U8* allocateData(S32 size = -1);
- virtual U8* reallocateData(S32 size = -1);
+ virtual void deleteData();
+ virtual U8* allocateData(S32 size = -1);
+ virtual U8* reallocateData(S32 size = -1);
public:
- LLImageBase();
+ LLImageBase();
- enum
- {
- TYPE_NORMAL = 0,
- TYPE_AVATAR_BAKE = 1,
- };
+ enum
+ {
+ TYPE_NORMAL = 0,
+ TYPE_AVATAR_BAKE = 1,
+ };
- virtual void dump();
- virtual void sanityCheck();
+ virtual void dump();
+ virtual void sanityCheck();
- U16 getWidth() const { return mWidth; }
- U16 getHeight() const { return mHeight; }
- S8 getComponents() const { return mComponents; }
- S32 getDataSize() const { return mDataSize; }
+ U16 getWidth() const { return mWidth; }
+ U16 getHeight() const { return mHeight; }
+ S8 getComponents() const { return mComponents; }
+ S32 getDataSize() const { return mDataSize; }
- const U8 *getData() const ;
- U8 *getData() ;
- bool isBufferInvalid() const;
+ const U8 *getData() const ;
+ U8 *getData() ;
+ bool isBufferInvalid() const;
- void setSize(S32 width, S32 height, S32 ncomponents);
- U8* allocateDataSize(S32 width, S32 height, S32 ncomponents, S32 size = -1); // setSize() + allocateData()
- void enableOverSize() {mAllowOverSize = true ;}
- void disableOverSize() {mAllowOverSize = false; }
+ void setSize(S32 width, S32 height, S32 ncomponents);
+ U8* allocateDataSize(S32 width, S32 height, S32 ncomponents, S32 size = -1); // setSize() + allocateData()
+ void enableOverSize() {mAllowOverSize = true ;}
+ void disableOverSize() {mAllowOverSize = false; }
protected:
- // special accessor to allow direct setting of mData and mDataSize by LLImageFormatted
- void setDataAndSize(U8 *data, S32 size);
-
+ // special accessor to allow direct setting of mData and mDataSize by LLImageFormatted
+ void setDataAndSize(U8 *data, S32 size);
+
public:
- static void generateMip(const U8 *indata, U8* mipdata, int width, int height, S32 nchannels);
-
- // Function for calculating the download priority for textures
- // <= 0 priority means that there's no need for more data.
- static F32 calc_download_priority(F32 virtual_size, F32 visible_area, S32 bytes_sent);
+ static void generateMip(const U8 *indata, U8* mipdata, int width, int height, S32 nchannels);
- static EImageCodec getCodecFromExtension(const std::string& exten);
+ // Function for calculating the download priority for textures
+ // <= 0 priority means that there's no need for more data.
+ static F32 calc_download_priority(F32 virtual_size, F32 visible_area, S32 bytes_sent);
- //static LLTrace::MemStatHandle sMemStat;
+ static EImageCodec getCodecFromExtension(const std::string& exten);
+
+ //static LLTrace::MemStatHandle sMemStat;
private:
- U8 *mData;
- S32 mDataSize;
+ U8 *mData;
+ S32 mDataSize;
- U16 mWidth;
- U16 mHeight;
+ U16 mWidth;
+ U16 mHeight;
- S8 mComponents;
+ S8 mComponents;
- bool mBadBufferAllocation;
- bool mAllowOverSize;
+ bool mBadBufferAllocation;
+ bool mAllowOverSize;
private:
mutable LLSharedMutex mDataMutex;
@@ -197,36 +196,36 @@ using LLImageDataSharedLock = LLImageBase::DataLock<true>;
class LLImageRaw : public LLImageBase
{
protected:
- /*virtual*/ ~LLImageRaw();
-
+ /*virtual*/ ~LLImageRaw();
+
public:
- LLImageRaw();
- LLImageRaw(U16 width, U16 height, S8 components);
+ LLImageRaw();
+ LLImageRaw(U16 width, U16 height, S8 components);
LLImageRaw(const U8* data, U16 width, U16 height, S8 components);
- LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy = false);
- // Construct using createFromFile (used by tools)
- //LLImageRaw(const std::string& filename, bool j2c_lowest_mip_only = false);
+ LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy = false);
+ // Construct using createFromFile (used by tools)
+ //LLImageRaw(const std::string& filename, bool j2c_lowest_mip_only = false);
- /*virtual*/ void deleteData();
- /*virtual*/ U8* allocateData(S32 size = -1);
- /*virtual*/ U8* reallocateData(S32 size);
+ /*virtual*/ void deleteData();
+ /*virtual*/ U8* allocateData(S32 size = -1);
+ /*virtual*/ U8* reallocateData(S32 size);
// use in conjunction with "no_copy" constructor to release data pointer before deleting
- // so that deletion of this LLImageRaw will not free the memory at the "data" parameter
+ // so that deletion of this LLImageRaw will not free the memory at the "data" parameter
// provided to "no_copy" constructor
void releaseData();
-
- bool resize(U16 width, U16 height, S8 components);
- //U8 * getSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height) const;
- bool setSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height,
- const U8 *data, U32 stride = 0, bool reverse_y = false);
+ bool resize(U16 width, U16 height, S8 components);
+
+ //U8 * getSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height) const;
+ bool setSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height,
+ const U8 *data, U32 stride = 0, bool reverse_y = false);
- void clear(U8 r=0, U8 g=0, U8 b=0, U8 a=255);
+ void clear(U8 r=0, U8 g=0, U8 b=0, U8 a=255);
+
+ void verticalFlip();
- void verticalFlip();
-
// Returns true if the image is not fully opaque
bool checkHasTransparentPixels();
// if the alpha channel is all 100% opaque, delete it
@@ -238,48 +237,48 @@ public:
static S32 biasedDimToPowerOfTwo(S32 curr_dim, S32 max_dim = MAX_IMAGE_SIZE);
static S32 expandDimToPowerOfTwo(S32 curr_dim, S32 max_dim = MAX_IMAGE_SIZE);
static S32 contractDimToPowerOfTwo(S32 curr_dim, S32 min_dim = MIN_IMAGE_SIZE);
- 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);
+ 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);
LLPointer<LLImageRaw> scaled(S32 new_width, S32 new_height);
-
- // Fill the buffer with a constant color
- void fill( const LLColor4U& color );
+
+ // Fill the buffer with a constant color
+ void fill( const LLColor4U& color );
// Multiply this raw image by the given color
void tint( const LLColor3& color );
- // Copy operations
-
- //duplicate this raw image if refCount > 1.
- LLPointer<LLImageRaw> duplicate();
+ // Copy operations
- // Src and dst can be any size. Src and dst can each have 3 or 4 components.
- void copy( const LLImageRaw* src );
+ //duplicate this raw image if refCount > 1.
+ LLPointer<LLImageRaw> duplicate();
- // Src and dst are same size. Src and dst have same number of components.
- void copyUnscaled( const LLImageRaw* src );
-
- // Src and dst are same size. Src has 4 components. Dst has 3 components.
- void copyUnscaled4onto3( const LLImageRaw* src );
+ // Src and dst can be any size. Src and dst can each have 3 or 4 components.
+ void copy( const LLImageRaw* src );
- // Src and dst are same size. Src has 3 components. Dst has 4 components.
- void copyUnscaled3onto4( const LLImageRaw* src );
+ // Src and dst are same size. Src and dst have same number of components.
+ void copyUnscaled( const LLImageRaw* src );
- // Src and dst are same size. Src has 1 component. Dst has 4 components.
- // Alpha component is set to source alpha mask component.
- // RGB components are set to fill color.
- void copyUnscaledAlphaMask( const LLImageRaw* src, const LLColor4U& fill);
+ // Src and dst are same size. Src has 4 components. Dst has 3 components.
+ void copyUnscaled4onto3( const LLImageRaw* src );
- // Src and dst can be any size. Src and dst have same number of components.
- void copyScaled( const LLImageRaw* src );
+ // Src and dst are same size. Src has 3 components. Dst has 4 components.
+ void copyUnscaled3onto4( const LLImageRaw* src );
+ // Src and dst are same size. Src has 1 component. Dst has 4 components.
+ // Alpha component is set to source alpha mask component.
+ // RGB components are set to fill color.
+ void copyUnscaledAlphaMask( const LLImageRaw* src, const LLColor4U& fill);
- // Composite operations
+ // Src and dst can be any size. Src and dst have same number of components.
+ void copyScaled( const LLImageRaw* src );
- // Src and dst can be any size. Src and dst can each have 3 or 4 components.
- void composite( const LLImageRaw* src );
+
+ // Composite operations
+
+ // Src and dst can be any size. Src and dst can each have 3 or 4 components.
+ void composite( const LLImageRaw* src );
// Emissive operations used by minimap
// Roughly emulates GLTF emissive texture, but is not GLTF-compliant
@@ -288,33 +287,33 @@ public:
void addEmissiveScaled(LLImageRaw* src);
void addEmissiveUnscaled(LLImageRaw* src);
protected:
- // Src and dst can be any size. Src has 4 components. Dst has 3 components.
- void compositeScaled4onto3( const LLImageRaw* src );
+ // Src and dst can be any size. Src has 4 components. Dst has 3 components.
+ void compositeScaled4onto3( const LLImageRaw* src );
- // Src and dst are same size. Src has 4 components. Dst has 3 components.
- void compositeUnscaled4onto3( const LLImageRaw* src );
+ // Src and dst are same size. Src has 4 components. Dst has 3 components.
+ void compositeUnscaled4onto3( const LLImageRaw* src );
- // Src and dst can be any size. Src has 3 components. Dst has 4 components.
- void copyScaled3onto4( const LLImageRaw* src );
+ // Src and dst can be any size. Src has 3 components. Dst has 4 components.
+ void copyScaled3onto4( const LLImageRaw* src );
- // Src and dst can be any size. Src has 4 components. Dst has 3 components.
- void copyScaled4onto3( const LLImageRaw* src );
+ // Src and dst can be any size. Src has 4 components. Dst has 3 components.
+ void copyScaled4onto3( const LLImageRaw* src );
- // Create an image from a local file (generally used in tools)
- //bool createFromFile(const std::string& filename, bool j2c_lowest_mip_only = false);
+ // Create an image from a local file (generally used in tools)
+ //bool createFromFile(const std::string& filename, bool j2c_lowest_mip_only = false);
- void copyLineScaled( const U8* in, U8* out, S32 in_pixel_len, S32 out_pixel_len, S32 in_pixel_step, S32 out_pixel_step );
- void compositeRowScaled4onto3( const U8* in, U8* out, S32 in_pixel_len, S32 out_pixel_len );
+ void copyLineScaled( const U8* in, U8* out, S32 in_pixel_len, S32 out_pixel_len, S32 in_pixel_step, S32 out_pixel_step );
+ void compositeRowScaled4onto3( const U8* in, U8* out, S32 in_pixel_len, S32 out_pixel_len );
- static U8 fastFractionalMult(U8 a, U8 b);
+ static U8 fastFractionalMult(U8 a, U8 b);
- void setDataAndSize(U8 *data, S32 width, S32 height, S8 components) ;
+ void setDataAndSize(U8 *data, S32 width, S32 height, S8 components) ;
public:
- static S32 sRawImageCount;
+ static S32 sRawImageCount;
private:
- static bool validateSrcAndDst(std::string func, const LLImageRaw* src, const LLImageRaw* dst);
+ static bool validateSrcAndDst(std::string func, const LLImageRaw* src, const LLImageRaw* dst);
};
// Compressed representation of image.
@@ -322,74 +321,74 @@ private:
class LLImageFormatted : public LLImageBase
{
public:
- static LLImageFormatted* createFromType(S8 codec);
- static LLImageFormatted* createFromExtension(const std::string& instring);
+ static LLImageFormatted* createFromType(S8 codec);
+ static LLImageFormatted* createFromExtension(const std::string& instring);
protected:
- /*virtual*/ ~LLImageFormatted();
-
+ /*virtual*/ ~LLImageFormatted();
+
public:
- LLImageFormatted(S8 codec);
-
- // LLImageBase
- /*virtual*/ void deleteData();
- /*virtual*/ U8* allocateData(S32 size = -1);
- /*virtual*/ U8* reallocateData(S32 size);
-
- /*virtual*/ void dump();
- /*virtual*/ void sanityCheck();
-
- // New methods
- // subclasses must return a prefered file extension (lowercase without a leading dot)
- virtual std::string getExtension() = 0;
- // calcHeaderSize() returns the maximum size of header;
- // 0 indicates we don't have a header and have to read the entire file
- virtual S32 calcHeaderSize() { return 0; };
- // calcDataSize() returns how many bytes to read to load discard_level (including header)
- virtual S32 calcDataSize(S32 discard_level);
- // calcDiscardLevelBytes() returns the smallest valid discard level based on the number of input bytes
- virtual S32 calcDiscardLevelBytes(S32 bytes);
- // getRawDiscardLevel() by default returns mDiscardLevel, but may be overridden (LLImageJ2C)
- virtual S8 getRawDiscardLevel() { return mDiscardLevel; }
-
- bool load(const std::string& filename, int load_size = 0);
- bool save(const std::string& filename);
-
- virtual bool updateData() = 0; // pure virtual
- void setData(U8 *data, S32 size);
- void appendData(U8 *data, S32 size);
-
- // Loads first 4 channels.
- virtual bool decode(LLImageRaw* raw_image, F32 decode_time) = 0;
- // Subclasses that can handle more than 4 channels should override this function.
- virtual bool decodeChannels(LLImageRaw* raw_image, F32 decode_time, S32 first_channel, S32 max_channel);
-
- virtual bool encode(const LLImageRaw* raw_image, F32 encode_time) = 0;
-
- S8 getCodec() const;
- bool isDecoding() const { return mDecoding; }
- bool isDecoded() const { return mDecoded; }
- void setDiscardLevel(S8 discard_level) { mDiscardLevel = discard_level; }
- S8 getDiscardLevel() const { return mDiscardLevel; }
- S8 getLevels() const { return mLevels; }
- void setLevels(S8 nlevels) { mLevels = nlevels; }
-
- // setLastError needs to be deferred for J2C images since it may be called from a DLL
- virtual void resetLastError();
- virtual void setLastError(const std::string& message, const std::string& filename = std::string());
-
+ LLImageFormatted(S8 codec);
+
+ // LLImageBase
+ /*virtual*/ void deleteData();
+ /*virtual*/ U8* allocateData(S32 size = -1);
+ /*virtual*/ U8* reallocateData(S32 size);
+
+ /*virtual*/ void dump();
+ /*virtual*/ void sanityCheck();
+
+ // New methods
+ // subclasses must return a prefered file extension (lowercase without a leading dot)
+ virtual std::string getExtension() = 0;
+ // calcHeaderSize() returns the maximum size of header;
+ // 0 indicates we don't have a header and have to read the entire file
+ virtual S32 calcHeaderSize() { return 0; };
+ // calcDataSize() returns how many bytes to read to load discard_level (including header)
+ virtual S32 calcDataSize(S32 discard_level);
+ // calcDiscardLevelBytes() returns the smallest valid discard level based on the number of input bytes
+ virtual S32 calcDiscardLevelBytes(S32 bytes);
+ // getRawDiscardLevel() by default returns mDiscardLevel, but may be overridden (LLImageJ2C)
+ virtual S8 getRawDiscardLevel() { return mDiscardLevel; }
+
+ bool load(const std::string& filename, int load_size = 0);
+ bool save(const std::string& filename);
+
+ virtual bool updateData() = 0; // pure virtual
+ void setData(U8 *data, S32 size);
+ void appendData(U8 *data, S32 size);
+
+ // Loads first 4 channels.
+ virtual bool decode(LLImageRaw* raw_image, F32 decode_time) = 0;
+ // Subclasses that can handle more than 4 channels should override this function.
+ virtual bool decodeChannels(LLImageRaw* raw_image, F32 decode_time, S32 first_channel, S32 max_channel);
+
+ virtual bool encode(const LLImageRaw* raw_image, F32 encode_time) = 0;
+
+ S8 getCodec() const;
+ bool isDecoding() const { return mDecoding; }
+ bool isDecoded() const { return mDecoded; }
+ void setDiscardLevel(S8 discard_level) { mDiscardLevel = discard_level; }
+ S8 getDiscardLevel() const { return mDiscardLevel; }
+ S8 getLevels() const { return mLevels; }
+ void setLevels(S8 nlevels) { mLevels = nlevels; }
+
+ // setLastError needs to be deferred for J2C images since it may be called from a DLL
+ virtual void resetLastError();
+ virtual void setLastError(const std::string& message, const std::string& filename = std::string());
+
protected:
- bool copyData(U8 *data, S32 size); // calls updateData()
-
+ bool copyData(U8 *data, S32 size); // calls updateData()
+
protected:
- S8 mCodec;
- S8 mDecoding;
- S8 mDecoded; // unused, but changing LLImage layout requires recompiling static Mac/Linux libs. 2009-01-30 JC
- S8 mDiscardLevel; // Current resolution level worked on. 0 = full res, 1 = half res, 2 = quarter res, etc...
- S8 mLevels; // Number of resolution levels in that image. Min is 1. 0 means unknown.
+ S8 mCodec;
+ S8 mDecoding;
+ S8 mDecoded; // unused, but changing LLImage layout requires recompiling static Mac/Linux libs. 2009-01-30 JC
+ S8 mDiscardLevel; // Current resolution level worked on. 0 = full res, 1 = half res, 2 = quarter res, etc...
+ S8 mLevels; // Number of resolution levels in that image. Min is 1. 0 means unknown.
public:
- static S32 sGlobalFormattedMemory;
+ static S32 sGlobalFormattedMemory;
};
#endif
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