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-rw-r--r--indra/llkdu/llblockdecoder.cpp270
1 files changed, 0 insertions, 270 deletions
diff --git a/indra/llkdu/llblockdecoder.cpp b/indra/llkdu/llblockdecoder.cpp
deleted file mode 100644
index 3daa016591..0000000000
--- a/indra/llkdu/llblockdecoder.cpp
+++ /dev/null
@@ -1,270 +0,0 @@
- /**
- * @file llblockdecoder.cpp
- * @brief Image block decompression
- *
- * $LicenseInfo:firstyear=2010&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
-
-#include "linden_common.h"
-
-#include "llblockdecoder.h"
-
-// KDU core header files
-#include "kdu_elementary.h"
-#include "kdu_messaging.h"
-#include "kdu_params.h"
-#include "kdu_compressed.h"
-#include "kdu_sample_processing.h"
-
-#include "llkdumem.h"
-
-#include "llblockdata.h"
-#include "llerror.h"
-
-
-BOOL LLBlockDecoder::decodeU32(LLBlockDataU32 &block_data, U8 *source_data, const U32 source_size) const
-{
- U32 width, height;
-
- llassert(source_data);
-
- LLKDUMemSource source(source_data, source_size);
-
- source.reset();
-
- kdu_codestream codestream;
-
- codestream.create(&source);
- codestream.set_fast();
-
- kdu_dims dims;
- codestream.get_dims(0,dims);
- llassert(codestream.get_num_components() == 1);
-
- width = dims.size.x;
- height = dims.size.y;
-
- // Assumes U32 data.
- U8 *output = block_data.getData();
-
- kdu_dims tile_indices;
- codestream.get_valid_tiles(tile_indices);
-
- kdu_coords tpos;
- tpos.x = 0;
- tpos.y = 0;
-
- // Now we are ready to walk through the tiles processing them one-by-one.
- while (tpos.y < tile_indices.size.y)
- {
- while (tpos.x < tile_indices.size.x)
- {
- kdu_tile tile = codestream.open_tile(tpos+tile_indices.pos);
-
- kdu_resolution res = tile.access_component(0).access_resolution();
- kdu_dims tile_dims;
- res.get_dims(tile_dims);
- kdu_coords offset = tile_dims.pos - dims.pos;
- int row_gap = block_data.getRowStride(); // inter-row separation
- kdu_byte *buf = output + offset.y*row_gap + offset.x*4;
-
- kdu_tile_comp tile_comp = tile.access_component(0);
- bool reversible = tile_comp.get_reversible();
- U32 precision = tile_comp.get_bit_depth();
- U32 precision_scale = 1 << precision;
- llassert(precision >= 8); // Else would have used 16 bit representation
-
- kdu_resolution comp_res = tile_comp.access_resolution(); // Get top resolution
- kdu_dims comp_dims;
- comp_res.get_dims(comp_dims);
-
- bool use_shorts = (tile_comp.get_bit_depth(true) <= 16);
-
- kdu_line_buf line;
- kdu_sample_allocator allocator;
- kdu_pull_ifc engine;
-
- line.pre_create(&allocator, comp_dims.size.x, reversible, use_shorts);
- if (res.which() == 0) // No DWT levels used
- {
- engine = kdu_decoder(res.access_subband(LL_BAND), &allocator, use_shorts);
- }
- else
- {
- engine = kdu_synthesis(res, &allocator, use_shorts);
- }
- allocator.finalize(); // Actually creates buffering resources
-
- line.create(); // Grabs resources from the allocator.
-
- // Do the actual processing
- while (tile_dims.size.y--)
- {
- engine.pull(line, true);
- int width = line.get_width();
-
- llassert(line.get_buf32());
- llassert(!line.is_absolute());
- // Decompressed samples have a 32-bit representation (integer or float)
- kdu_sample32 *sp = line.get_buf32();
- // Transferring normalized floating point data.
- U32 *dest_u32 = (U32 *)buf;
- for (; width > 0; width--, sp++, dest_u32++)
- {
- if (sp->fval < -0.5f)
- {
- *dest_u32 = 0;
- }
- else
- {
- *dest_u32 = (U32)((sp->fval + 0.5f)*precision_scale);
- }
- }
- buf += row_gap;
- }
- engine.destroy();
- tile.close();
- tpos.x++;
- }
- tpos.y++;
- tpos.x = 0;
- }
- codestream.destroy();
-
- return TRUE;
-}
-
-BOOL LLBlockDecoder::decodeF32(LLBlockDataF32 &block_data, U8 *source_data, const U32 source_size, const F32 min, const F32 max) const
-{
- U32 width, height;
- F32 range, range_inv, float_offset;
- bool use_shorts = false;
-
- range = max - min;
- range_inv = 1.f / range;
- float_offset = 0.5f*(max + min);
-
- llassert(source_data);
-
- LLKDUMemSource source(source_data, source_size);
-
- source.reset();
-
- kdu_codestream codestream;
-
- codestream.create(&source);
- codestream.set_fast();
-
- kdu_dims dims;
- codestream.get_dims(0,dims);
- llassert(codestream.get_num_components() == 1);
-
- width = dims.size.x;
- height = dims.size.y;
-
- // Assumes F32 data.
- U8 *output = block_data.getData();
-
- kdu_dims tile_indices;
- codestream.get_valid_tiles(tile_indices);
-
- kdu_coords tpos;
- tpos.x = 0;
- tpos.y = 0;
-
- // Now we are ready to walk through the tiles processing them one-by-one.
- while (tpos.y < tile_indices.size.y)
- {
- while (tpos.x < tile_indices.size.x)
- {
- kdu_tile tile = codestream.open_tile(tpos+tile_indices.pos);
-
- kdu_resolution res = tile.access_component(0).access_resolution();
- kdu_dims tile_dims;
- res.get_dims(tile_dims);
- kdu_coords offset = tile_dims.pos - dims.pos;
- int row_gap = block_data.getRowStride(); // inter-row separation
- kdu_byte *buf = output + offset.y*row_gap + offset.x*4;
-
- kdu_tile_comp tile_comp = tile.access_component(0);
- bool reversible = tile_comp.get_reversible();
-
- kdu_resolution comp_res = tile_comp.access_resolution(); // Get top resolution
- kdu_dims comp_dims;
- comp_res.get_dims(comp_dims);
-
- kdu_line_buf line;
- kdu_sample_allocator allocator;
- kdu_pull_ifc engine;
-
- line.pre_create(&allocator, comp_dims.size.x, reversible, use_shorts);
- if (res.which() == 0) // No DWT levels used
- {
- engine = kdu_decoder(res.access_subband(LL_BAND), &allocator, use_shorts);
- }
- else
- {
- engine = kdu_synthesis(res, &allocator, use_shorts);
- }
- allocator.finalize(); // Actually creates buffering resources
-
- line.create(); // Grabs resources from the allocator.
-
- // Do the actual processing
- while (tile_dims.size.y--)
- {
- engine.pull(line, true);
- int width = line.get_width();
-
- llassert(line.get_buf32());
- llassert(!line.is_absolute());
- // Decompressed samples have a 32-bit representation (integer or float)
- kdu_sample32 *sp = line.get_buf32();
- // Transferring normalized floating point data.
- F32 *dest_f32 = (F32 *)buf;
- for (; width > 0; width--, sp++, dest_f32++)
- {
- if (sp->fval < -0.5f)
- {
- *dest_f32 = min;
- }
- else if (sp->fval > 0.5f)
- {
- *dest_f32 = max;
- }
- else
- {
- *dest_f32 = (sp->fval) * range + float_offset;
- }
- }
- buf += row_gap;
- }
- engine.destroy();
- tile.close();
- tpos.x++;
- }
- tpos.y++;
- tpos.x = 0;
- }
- codestream.destroy();
- return TRUE;
-}
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