diff options
Diffstat (limited to 'indra/llimage/llimage.h')
| -rw-r--r-- | indra/llimage/llimage.h | 42 |
1 files changed, 21 insertions, 21 deletions
diff --git a/indra/llimage/llimage.h b/indra/llimage/llimage.h index 42eecbb97c..8b966b8ea3 100644 --- a/indra/llimage/llimage.h +++ b/indra/llimage/llimage.h @@ -32,37 +32,37 @@ #include "llpointer.h" #include "lltrace.h" -const S32 MIN_IMAGE_MIP = 2; // 4x4, only used for expand/contract power of 2 -const S32 MAX_IMAGE_MIP = 12; // 4096x4096 +constexpr S32 MIN_IMAGE_MIP = 2; // 4x4, only used for expand/contract power of 2 +constexpr S32 MAX_IMAGE_MIP = 12; // 4096x4096 // *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; +constexpr 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 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 -const S32 MIN_IMAGE_AREA = MIN_IMAGE_SIZE * MIN_IMAGE_SIZE; -const S32 MAX_IMAGE_AREA = MAX_IMAGE_SIZE * MAX_IMAGE_SIZE; -const S32 MAX_IMAGE_COMPONENTS = 8; -const S32 MAX_IMAGE_DATA_SIZE = MAX_IMAGE_AREA * MAX_IMAGE_COMPONENTS; //4096 * 4096 * 8 = 128 MB +constexpr S32 MAX_DECOMPOSITION_LEVELS = 32; // Number of decomposition levels cannot exceed 32 according to jpeg2000 spec +constexpr 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) +constexpr S32 MAX_PRECINCT_SIZE = 4096; // No reason to be bigger than MAX_IMAGE_SIZE +constexpr S32 MIN_PRECINCT_SIZE = 4; // Can't be smaller than MIN_BLOCK_SIZE +constexpr S32 MAX_BLOCK_SIZE = 64; // Max total block size is 4096, hence 64x64 when using square blocks +constexpr S32 MIN_BLOCK_SIZE = 4; // Min block dim is 4 according to jpeg2000 spec +constexpr S32 MIN_LAYER_SIZE = 2000; // Size of the first quality layer (after header). Must be > to FIRST_PACKET_SIZE!! +constexpr S32 MAX_NB_LAYERS = 64; // Max number of layers we'll entertain in SL (practical limit) + +constexpr S32 MIN_IMAGE_SIZE = (1<<MIN_IMAGE_MIP); // 4, only used for expand/contract power of 2 +constexpr S32 MAX_IMAGE_SIZE = (1<<MAX_IMAGE_MIP); // 4096 +constexpr S32 MIN_IMAGE_AREA = MIN_IMAGE_SIZE * MIN_IMAGE_SIZE; +constexpr S32 MAX_IMAGE_AREA = MAX_IMAGE_SIZE * MAX_IMAGE_SIZE; +constexpr S32 MAX_IMAGE_COMPONENTS = 8; +constexpr S32 MAX_IMAGE_DATA_SIZE = MAX_IMAGE_AREA * MAX_IMAGE_COMPONENTS; //4096 * 4096 * 8 = 128 MB // Note! These CANNOT be changed without modifying simulator code // *TODO: change both to 1024 when SIM texture fetching is deprecated -const S32 FIRST_PACKET_SIZE = 600; -const S32 MAX_IMG_PACKET_SIZE = 1000; -const S32 HTTP_PACKET_SIZE = 1496; +constexpr S32 FIRST_PACKET_SIZE = 600; +constexpr S32 MAX_IMG_PACKET_SIZE = 1000; +constexpr S32 HTTP_PACKET_SIZE = 1496; // Base classes for images. // There are two major parts for the image: |