diff options
Diffstat (limited to 'indra/llimage/llimage.cpp')
| -rw-r--r-- | indra/llimage/llimage.cpp | 3343 |
1 files changed, 1669 insertions, 1674 deletions
diff --git a/indra/llimage/llimage.cpp b/indra/llimage/llimage.cpp index f9393dea54..c4d7096036 100644 --- a/indra/llimage/llimage.cpp +++ b/indra/llimage/llimage.cpp @@ -1,25 +1,25 @@ -/** +/** * @file llimage.cpp * @brief Base class for images. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ @@ -53,40 +53,40 @@ #define _UNROL_GEN_TPL_comma_1 BOOST_PP_COMMA() //.................................................................................. #define _UNROL_GEN_TPL_ARGS_macro(z,n,seq) \ - BOOST_PP_CAT(_UNROL_GEN_TPL_arg_, BOOST_PP_MOD(n, 2))(BOOST_PP_SEQ_ELEM(n, seq)) BOOST_PP_CAT(_UNROL_GEN_TPL_comma_, BOOST_PP_AND(BOOST_PP_MOD(n, 2), BOOST_PP_NOT_EQUAL(BOOST_PP_INC(n), BOOST_PP_SEQ_SIZE(seq)))) + BOOST_PP_CAT(_UNROL_GEN_TPL_arg_, BOOST_PP_MOD(n, 2))(BOOST_PP_SEQ_ELEM(n, seq)) BOOST_PP_CAT(_UNROL_GEN_TPL_comma_, BOOST_PP_AND(BOOST_PP_MOD(n, 2), BOOST_PP_NOT_EQUAL(BOOST_PP_INC(n), BOOST_PP_SEQ_SIZE(seq)))) #define _UNROL_GEN_TPL_ARGS(seq) \ - BOOST_PP_REPEAT(BOOST_PP_SEQ_SIZE(seq), _UNROL_GEN_TPL_ARGS_macro, seq) + BOOST_PP_REPEAT(BOOST_PP_SEQ_SIZE(seq), _UNROL_GEN_TPL_ARGS_macro, seq) //.................................................................................. #define _UNROL_GEN_TPL_TYPE_ARGS_macro(z,n,seq) \ - BOOST_PP_SEQ_ELEM(n, seq) BOOST_PP_CAT(_UNROL_GEN_TPL_comma_, BOOST_PP_AND(BOOST_PP_MOD(n, 2), BOOST_PP_NOT_EQUAL(BOOST_PP_INC(n), BOOST_PP_SEQ_SIZE(seq)))) + BOOST_PP_SEQ_ELEM(n, seq) BOOST_PP_CAT(_UNROL_GEN_TPL_comma_, BOOST_PP_AND(BOOST_PP_MOD(n, 2), BOOST_PP_NOT_EQUAL(BOOST_PP_INC(n), BOOST_PP_SEQ_SIZE(seq)))) #define _UNROL_GEN_TPL_TYPE_ARGS(seq) \ - BOOST_PP_REPEAT(BOOST_PP_SEQ_SIZE(seq), _UNROL_GEN_TPL_TYPE_ARGS_macro, seq) + BOOST_PP_REPEAT(BOOST_PP_SEQ_SIZE(seq), _UNROL_GEN_TPL_TYPE_ARGS_macro, seq) //.................................................................................. #define _UNROLL_GEN_TPL_foreach_ee(z, n, seq) \ - executor<n>(_UNROL_GEN_TPL_ARGS(seq)); + executor<n>(_UNROL_GEN_TPL_ARGS(seq)); #define _UNROLL_GEN_TPL(name, args_seq, operation, spec) \ - template<> struct name<spec> { \ - private: \ - template<S32 _idx> inline void executor(_UNROL_GEN_TPL_TYPE_ARGS(args_seq)) { \ - BOOST_PP_SEQ_ENUM(operation) ; \ - } \ - public: \ - inline void operator()(_UNROL_GEN_TPL_TYPE_ARGS(args_seq)) { \ - BOOST_PP_REPEAT(spec, _UNROLL_GEN_TPL_foreach_ee, args_seq) \ - } \ + template<> struct name<spec> { \ + private: \ + template<S32 _idx> inline void executor(_UNROL_GEN_TPL_TYPE_ARGS(args_seq)) { \ + BOOST_PP_SEQ_ENUM(operation) ; \ + } \ + public: \ + inline void operator()(_UNROL_GEN_TPL_TYPE_ARGS(args_seq)) { \ + BOOST_PP_REPEAT(spec, _UNROLL_GEN_TPL_foreach_ee, args_seq) \ + } \ }; //.................................................................................. #define _UNROLL_GEN_TPL_foreach_seq_macro(r, data, elem) \ - _UNROLL_GEN_TPL(BOOST_PP_SEQ_ELEM(0, data), BOOST_PP_SEQ_ELEM(1, data), BOOST_PP_SEQ_ELEM(2, data), elem) + _UNROLL_GEN_TPL(BOOST_PP_SEQ_ELEM(0, data), BOOST_PP_SEQ_ELEM(1, data), BOOST_PP_SEQ_ELEM(2, data), elem) #define UNROLL_GEN_TPL(name, args_seq, operation, spec_seq) \ - /*general specialization - should not be implemented!*/ \ - template<U8> struct name { inline void operator()(_UNROL_GEN_TPL_TYPE_ARGS(args_seq)) { /*static_assert(!"Should not be instantiated.");*/ } }; \ - BOOST_PP_SEQ_FOR_EACH(_UNROLL_GEN_TPL_foreach_seq_macro, (name)(args_seq)(operation), spec_seq) + /*general specialization - should not be implemented!*/ \ + template<U8> struct name { inline void operator()(_UNROL_GEN_TPL_TYPE_ARGS(args_seq)) { /*static_assert(!"Should not be instantiated.");*/ } }; \ + BOOST_PP_SEQ_FOR_EACH(_UNROLL_GEN_TPL_foreach_seq_macro, (name)(args_seq)(operation), spec_seq) //.................................................................................. //.................................................................................. @@ -122,460 +122,460 @@ UNROLL_GEN_TPL(uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff, (U8 *&)(dptr)(S3 template<U8 ch> -struct scale_info +struct scale_info { public: - std::vector<S32> xpoints; - std::vector<const U8*> ystrides; - std::vector<S32> xapoints, yapoints; - S32 xup_yup; + std::vector<S32> xpoints; + std::vector<const U8*> ystrides; + std::vector<S32> xapoints, yapoints; + S32 xup_yup; public: - //unrolling loop types declaration - typedef uroll_zeroze_cx_comp<ch> uroll_zeroze_cx_comp_t; - typedef uroll_comp_rshftasgn_constval<ch> uroll_comp_rshftasgn_constval_t; - typedef uroll_comp_asgn_cx_rshft_cval_all_mul_val<ch> uroll_comp_asgn_cx_rshft_cval_all_mul_val_t; - typedef uroll_comp_plusasgn_cx_rshft_cval_all_mul_val<ch> uroll_comp_plusasgn_cx_rshft_cval_all_mul_val_t; - typedef uroll_inp_plusasgn_pix_mul_val<ch> uroll_inp_plusasgn_pix_mul_val_t; - typedef uroll_inp_asgn_pix_mul_val<ch> uroll_inp_asgn_pix_mul_val_t; - typedef uroll_comp_asgn_cx_mul_apoint_plus_comp_mul_inv_apoint_allshifted_16_r<ch> uroll_comp_asgn_cx_mul_apoint_plus_comp_mul_inv_apoint_allshifted_16_r_t; - typedef uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r<ch> uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r_t; - typedef uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r<ch> uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r_t; - typedef uroll_uref_dptr_inc_asgn_comp_and_ff<ch> uroll_uref_dptr_inc_asgn_comp_and_ff_t; - typedef uroll_uref_dptr_inc_asgn_sptr_apoint_plus_idx_alland_ff<ch> uroll_uref_dptr_inc_asgn_sptr_apoint_plus_idx_alland_ff_t; - typedef uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff<ch> uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t; + //unrolling loop types declaration + typedef uroll_zeroze_cx_comp<ch> uroll_zeroze_cx_comp_t; + typedef uroll_comp_rshftasgn_constval<ch> uroll_comp_rshftasgn_constval_t; + typedef uroll_comp_asgn_cx_rshft_cval_all_mul_val<ch> uroll_comp_asgn_cx_rshft_cval_all_mul_val_t; + typedef uroll_comp_plusasgn_cx_rshft_cval_all_mul_val<ch> uroll_comp_plusasgn_cx_rshft_cval_all_mul_val_t; + typedef uroll_inp_plusasgn_pix_mul_val<ch> uroll_inp_plusasgn_pix_mul_val_t; + typedef uroll_inp_asgn_pix_mul_val<ch> uroll_inp_asgn_pix_mul_val_t; + typedef uroll_comp_asgn_cx_mul_apoint_plus_comp_mul_inv_apoint_allshifted_16_r<ch> uroll_comp_asgn_cx_mul_apoint_plus_comp_mul_inv_apoint_allshifted_16_r_t; + typedef uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r<ch> uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r_t; + typedef uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r<ch> uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r_t; + typedef uroll_uref_dptr_inc_asgn_comp_and_ff<ch> uroll_uref_dptr_inc_asgn_comp_and_ff_t; + typedef uroll_uref_dptr_inc_asgn_sptr_apoint_plus_idx_alland_ff<ch> uroll_uref_dptr_inc_asgn_sptr_apoint_plus_idx_alland_ff_t; + typedef uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff<ch> uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t; public: - scale_info(const U8 *src, U32 srcW, U32 srcH, U32 dstW, U32 dstH, U32 srcStride) - : xup_yup((dstW >= srcW) + ((dstH >= srcH) << 1)) - { - calc_x_points(srcW, dstW); - calc_y_strides(src, srcStride, srcH, dstH); - calc_aa_points(srcW, dstW, xup_yup&1, xapoints); - calc_aa_points(srcH, dstH, xup_yup&2, yapoints); - } + scale_info(const U8 *src, U32 srcW, U32 srcH, U32 dstW, U32 dstH, U32 srcStride) + : xup_yup((dstW >= srcW) + ((dstH >= srcH) << 1)) + { + calc_x_points(srcW, dstW); + calc_y_strides(src, srcStride, srcH, dstH); + calc_aa_points(srcW, dstW, xup_yup&1, xapoints); + calc_aa_points(srcH, dstH, xup_yup&2, yapoints); + } private: - //........................................................................................... - void calc_x_points(U32 srcW, U32 dstW) - { - xpoints.resize(dstW+1); - - S32 val = dstW >= srcW ? 0x8000 * srcW / dstW - 0x8000 : 0; - S32 inc = (srcW << 16) / dstW; - - for(U32 i = 0, j = 0; i < dstW; ++i, ++j, val += inc) - { - xpoints[j] = llmax(0, val >> 16); - } - } - //........................................................................................... - void calc_y_strides(const U8 *src, U32 srcStride, U32 srcH, U32 dstH) - { - ystrides.resize(dstH+1); - - S32 val = dstH >= srcH ? 0x8000 * srcH / dstH - 0x8000 : 0; - S32 inc = (srcH << 16) / dstH; - - for(U32 i = 0, j = 0; i < dstH; ++i, ++j, val += inc) - { - ystrides[j] = src + llmax(0, val >> 16) * srcStride; - } - } - //........................................................................................... - void calc_aa_points(U32 srcSz, U32 dstSz, bool scale_up, std::vector<S32> &vp) - { - vp.resize(dstSz); - - if(scale_up) - { - S32 val = 0x8000 * srcSz / dstSz - 0x8000; - S32 inc = (srcSz << 16) / dstSz; - U32 pos; - - for(U32 i = 0, j = 0; i < dstSz; ++i, ++j, val += inc) - { - pos = val >> 16; - - if (pos >= (srcSz - 1)) - vp[j] = 0; - else - vp[j] = (val >> 8) - ((val >> 8) & 0xffffff00); - } - } - else - { - S32 inc = (srcSz << 16) / dstSz; - S32 Cp = ((dstSz << 14) / srcSz) + 1; - S32 ap; - - for(U32 i = 0, j = 0, val = 0; i < dstSz; ++i, ++j, val += inc) - { - ap = ((0x100 - ((val >> 8) & 0xff)) * Cp) >> 8; - vp[j] = ap | (Cp << 16); - } - } - } + //........................................................................................... + void calc_x_points(U32 srcW, U32 dstW) + { + xpoints.resize(dstW+1); + + S32 val = dstW >= srcW ? 0x8000 * srcW / dstW - 0x8000 : 0; + S32 inc = (srcW << 16) / dstW; + + for(U32 i = 0, j = 0; i < dstW; ++i, ++j, val += inc) + { + xpoints[j] = llmax(0, val >> 16); + } + } + //........................................................................................... + void calc_y_strides(const U8 *src, U32 srcStride, U32 srcH, U32 dstH) + { + ystrides.resize(dstH+1); + + S32 val = dstH >= srcH ? 0x8000 * srcH / dstH - 0x8000 : 0; + S32 inc = (srcH << 16) / dstH; + + for(U32 i = 0, j = 0; i < dstH; ++i, ++j, val += inc) + { + ystrides[j] = src + llmax(0, val >> 16) * srcStride; + } + } + //........................................................................................... + void calc_aa_points(U32 srcSz, U32 dstSz, bool scale_up, std::vector<S32> &vp) + { + vp.resize(dstSz); + + if(scale_up) + { + S32 val = 0x8000 * srcSz / dstSz - 0x8000; + S32 inc = (srcSz << 16) / dstSz; + U32 pos; + + for(U32 i = 0, j = 0; i < dstSz; ++i, ++j, val += inc) + { + pos = val >> 16; + + if (pos >= (srcSz - 1)) + vp[j] = 0; + else + vp[j] = (val >> 8) - ((val >> 8) & 0xffffff00); + } + } + else + { + S32 inc = (srcSz << 16) / dstSz; + S32 Cp = ((dstSz << 14) / srcSz) + 1; + S32 ap; + + for(U32 i = 0, j = 0, val = 0; i < dstSz; ++i, ++j, val += inc) + { + ap = ((0x100 - ((val >> 8) & 0xff)) * Cp) >> 8; + vp[j] = ap | (Cp << 16); + } + } + } }; template<U8 ch> inline void bilinear_scale( - const U8 *src, U32 srcW, U32 srcH, U32 srcStride - , U8 *dst, U32 dstW, U32 dstH, U32 dstStride - ) -{ - typedef scale_info<ch> scale_info_t; - - scale_info_t info(src, srcW, srcH, dstW, dstH, srcStride); - - const U8 *sptr; - U8 *dptr; - U32 x, y; - const U8 *pix; - - S32 cx[ch], comp[ch]; - - - if(3 == info.xup_yup) - { //scale x/y - up - for(y = 0; y < dstH; ++y) - { - dptr = dst + (y * dstStride); - sptr = info.ystrides[y]; - - if(0 < info.yapoints[y]) - { - for(x = 0; x < dstW; ++x) - { - //for(c = 0; c < ch; ++c) cx[c] = comp[c] = 0; - typename scale_info_t::uroll_zeroze_cx_comp_t()(cx, comp); - - if(0 < info.xapoints[x]) - { - pix = info.ystrides[y] + info.xpoints[x] * ch; - - //for(c = 0; c < ch; ++c) comp[c] = pix[c] * (256 - info.xapoints[x]); - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, 256 - info.xapoints[x]); - - pix += ch; - - //for(c = 0; c < ch; ++c) comp[c] += pix[c] * info.xapoints[x]; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, info.xapoints[x]); - - pix += srcStride; - - //for(c = 0; c < ch; ++c) cx[c] = pix[c] * info.xapoints[x]; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, info.xapoints[x]); - - pix -= ch; - - //for(c = 0; c < ch; ++c) { - // cx[c] += pix[c] * (256 - info.xapoints[x]); - // comp[c] = ((cx[c] * info.yapoints[y]) + (comp[c] * (256 - info.yapoints[y]))) >> 16; - // *dptr++ = comp[c]&0xff; - //} - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, 256 - info.xapoints[x]); - typename scale_info_t::uroll_comp_asgn_cx_mul_apoint_plus_comp_mul_inv_apoint_allshifted_16_r_t()(comp, cx, info.yapoints[y]); - typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_and_ff_t()(dptr, comp); - } - else - { - pix = info.ystrides[y] + info.xpoints[x] * ch; - - //for(c = 0; c < ch; ++c) comp[c] = pix[c] * (256 - info.yapoints[y]); - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, 256-info.yapoints[y]); - - pix += srcStride; - - //for(c = 0; c < ch; ++c) { - // comp[c] = (comp[c] + pix[c] * info.yapoints[y]) >> 8; - // *dptr++ = comp[c]&0xff; - //} - typename scale_info_t::uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r_t()(comp, pix, info.yapoints[y]); - typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_and_ff_t()(dptr, comp); - } - } - } - else - { - for(x = 0; x < dstW; ++x) - { - if(0 < info.xapoints[x]) - { - pix = info.ystrides[y] + info.xpoints[x] * ch; - - //for(c = 0; c < ch; ++c) { - // comp[c] = pix[c] * (256 - info.xapoints[x]); - // comp[c] = (comp[c] + pix[c] * info.xapoints[x]) >> 8; - // *dptr++ = comp[c]&0xff; - //} - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, 256 - info.xapoints[x]); - typename scale_info_t::uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r_t()(comp, pix, info.xapoints[x]); - typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_and_ff_t()(dptr, comp); - } - else - { - //for(c = 0; c < ch; ++c) *dptr++ = (sptr[info.xpoints[x]*ch + c])&0xff; - typename scale_info_t::uroll_uref_dptr_inc_asgn_sptr_apoint_plus_idx_alland_ff_t()(dptr, sptr, info.xpoints[x]*ch); - } - } - } - } - } - else if(info.xup_yup == 1) - { //scaling down vertically - S32 Cy, j; - S32 yap; - - for(y = 0; y < dstH; y++) - { - Cy = info.yapoints[y] >> 16; - yap = info.yapoints[y] & 0xffff; - - dptr = dst + (y * dstStride); - - for(x = 0; x < dstW; x++) - { - pix = info.ystrides[y] + info.xpoints[x] * ch; - - //for(c = 0; c < ch; ++c) comp[c] = pix[c] * yap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, yap); - - pix += srcStride; - - for(j = (1 << 14) - yap; j > Cy; j -= Cy, pix += srcStride) - { - //for(c = 0; c < ch; ++c) comp[c] += pix[c] * Cy; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, Cy); - } - - if(j > 0) - { - //for(c = 0; c < ch; ++c) comp[c] += pix[c] * j; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, j); - } - - if(info.xapoints[x] > 0) - { - pix = info.ystrides[y] + info.xpoints[x]*ch + ch; - //for(c = 0; c < ch; ++c) cx[c] = pix[c] * yap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, yap); - - pix += srcStride; - for(j = (1 << 14) - yap; j > Cy; j -= Cy) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cy; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cy); - pix += srcStride; - } - - if(j > 0) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * j; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, j); - } - - //for(c = 0; c < ch; ++c) comp[c] = ((comp[c]*(256 - info.xapoints[x])) + ((cx[c] * info.xapoints[x]))) >> 12; - typename scale_info_t::uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r_t()(comp, info.xapoints[x], cx); - } - else - { - //for(c = 0; c < ch; ++c) comp[c] >>= 4; - typename scale_info_t::uroll_comp_rshftasgn_constval_t()(comp, 4); - } - - //for(c = 0; c < ch; ++c) *dptr++ = (comp[c]>>10)&0xff; - typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t()(dptr, comp, 10); - } - } - } - else if(info.xup_yup == 2) - { // scaling down horizontally - S32 Cx, j; - S32 xap; - - for(y = 0; y < dstH; y++) - { - dptr = dst + (y * dstStride); - - for(x = 0; x < dstW; x++) - { - Cx = info.xapoints[x] >> 16; - xap = info.xapoints[x] & 0xffff; - - pix = info.ystrides[y] + info.xpoints[x] * ch; - - //for(c = 0; c < ch; ++c) comp[c] = pix[c] * xap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, xap); - - pix+=ch; - for(j = (1 << 14) - xap; j > Cx; j -= Cx) - { - //for(c = 0; c < ch; ++c) comp[c] += pix[c] * Cx; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, Cx); - pix+=ch; - } - - if(j > 0) - { - //for(c = 0; c < ch; ++c) comp[c] += pix[c] * j; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, j); - } - - if(info.yapoints[y] > 0) - { - pix = info.ystrides[y] + info.xpoints[x]*ch + srcStride; - //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); - - pix+=ch; - for(j = (1 << 14) - xap; j > Cx; j -= Cx) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); - pix+=ch; - } - - if(j > 0) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * j; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, j); - } - - //for(c = 0; c < ch; ++c) comp[c] = ((comp[c] * (256 - info.yapoints[y])) + ((cx[c] * info.yapoints[y]))) >> 12; - typename scale_info_t::uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r_t()(comp, info.yapoints[y], cx); - } - else - { - //for(c = 0; c < ch; ++c) comp[c] >>= 4; - typename scale_info_t::uroll_comp_rshftasgn_constval_t()(comp, 4); - } - - //for(c = 0; c < ch; ++c) *dptr++ = (comp[c]>>10)&0xff; - typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t()(dptr, comp, 10); - } - } - } - else - { //scale x/y - down - S32 Cx, Cy, i, j; - S32 xap, yap; - - for(y = 0; y < dstH; y++) - { - Cy = info.yapoints[y] >> 16; - yap = info.yapoints[y] & 0xffff; - - dptr = dst + (y * dstStride); - for(x = 0; x < dstW; x++) - { - Cx = info.xapoints[x] >> 16; - xap = info.xapoints[x] & 0xffff; - - sptr = info.ystrides[y] + info.xpoints[x] * ch; - pix = sptr; - sptr += srcStride; - - //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); - - pix+=ch; - for(i = (1 << 14) - xap; i > Cx; i -= Cx) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); - pix+=ch; - } - - if(i > 0) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * i; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, i); - } - - //for(c = 0; c < ch; ++c) comp[c] = (cx[c] >> 5) * yap; - typename scale_info_t::uroll_comp_asgn_cx_rshft_cval_all_mul_val_t()(comp, cx, 5, yap); - - for(j = (1 << 14) - yap; j > Cy; j -= Cy) - { - pix = sptr; - sptr += srcStride; - - //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); - - pix+=ch; - for(i = (1 << 14) - xap; i > Cx; i -= Cx) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); - pix+=ch; - } - - if(i > 0) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * i; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, i); - } - - //for(c = 0; c < ch; ++c) comp[c] += (cx[c] >> 5) * Cy; - typename scale_info_t::uroll_comp_plusasgn_cx_rshft_cval_all_mul_val_t()(comp, cx, 5, Cy); - } - - if(j > 0) - { - pix = sptr; - sptr += srcStride; - - //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; - typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); - - pix+=ch; - for(i = (1 << 14) - xap; i > Cx; i -= Cx) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); - pix+=ch; - } - - if(i > 0) - { - //for(c = 0; c < ch; ++c) cx[c] += pix[c] * i; - typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, i); - } - - //for(c = 0; c < ch; ++c) comp[c] += (cx[c] >> 5) * j; - typename scale_info_t::uroll_comp_plusasgn_cx_rshft_cval_all_mul_val_t()(comp, cx, 5, j); - } - - //for(c = 0; c < ch; ++c) *dptr++ = (comp[c]>>23)&0xff; - typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t()(dptr, comp, 23); - } - } - } //else + const U8 *src, U32 srcW, U32 srcH, U32 srcStride + , U8 *dst, U32 dstW, U32 dstH, U32 dstStride + ) +{ + typedef scale_info<ch> scale_info_t; + + scale_info_t info(src, srcW, srcH, dstW, dstH, srcStride); + + const U8 *sptr; + U8 *dptr; + U32 x, y; + const U8 *pix; + + S32 cx[ch], comp[ch]; + + + if(3 == info.xup_yup) + { //scale x/y - up + for(y = 0; y < dstH; ++y) + { + dptr = dst + (y * dstStride); + sptr = info.ystrides[y]; + + if(0 < info.yapoints[y]) + { + for(x = 0; x < dstW; ++x) + { + //for(c = 0; c < ch; ++c) cx[c] = comp[c] = 0; + typename scale_info_t::uroll_zeroze_cx_comp_t()(cx, comp); + + if(0 < info.xapoints[x]) + { + pix = info.ystrides[y] + info.xpoints[x] * ch; + + //for(c = 0; c < ch; ++c) comp[c] = pix[c] * (256 - info.xapoints[x]); + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, 256 - info.xapoints[x]); + + pix += ch; + + //for(c = 0; c < ch; ++c) comp[c] += pix[c] * info.xapoints[x]; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, info.xapoints[x]); + + pix += srcStride; + + //for(c = 0; c < ch; ++c) cx[c] = pix[c] * info.xapoints[x]; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, info.xapoints[x]); + + pix -= ch; + + //for(c = 0; c < ch; ++c) { + // cx[c] += pix[c] * (256 - info.xapoints[x]); + // comp[c] = ((cx[c] * info.yapoints[y]) + (comp[c] * (256 - info.yapoints[y]))) >> 16; + // *dptr++ = comp[c]&0xff; + //} + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, 256 - info.xapoints[x]); + typename scale_info_t::uroll_comp_asgn_cx_mul_apoint_plus_comp_mul_inv_apoint_allshifted_16_r_t()(comp, cx, info.yapoints[y]); + typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_and_ff_t()(dptr, comp); + } + else + { + pix = info.ystrides[y] + info.xpoints[x] * ch; + + //for(c = 0; c < ch; ++c) comp[c] = pix[c] * (256 - info.yapoints[y]); + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, 256-info.yapoints[y]); + + pix += srcStride; + + //for(c = 0; c < ch; ++c) { + // comp[c] = (comp[c] + pix[c] * info.yapoints[y]) >> 8; + // *dptr++ = comp[c]&0xff; + //} + typename scale_info_t::uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r_t()(comp, pix, info.yapoints[y]); + typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_and_ff_t()(dptr, comp); + } + } + } + else + { + for(x = 0; x < dstW; ++x) + { + if(0 < info.xapoints[x]) + { + pix = info.ystrides[y] + info.xpoints[x] * ch; + + //for(c = 0; c < ch; ++c) { + // comp[c] = pix[c] * (256 - info.xapoints[x]); + // comp[c] = (comp[c] + pix[c] * info.xapoints[x]) >> 8; + // *dptr++ = comp[c]&0xff; + //} + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, 256 - info.xapoints[x]); + typename scale_info_t::uroll_comp_asgn_comp_plus_pix_mul_apoint_allshifted_8_r_t()(comp, pix, info.xapoints[x]); + typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_and_ff_t()(dptr, comp); + } + else + { + //for(c = 0; c < ch; ++c) *dptr++ = (sptr[info.xpoints[x]*ch + c])&0xff; + typename scale_info_t::uroll_uref_dptr_inc_asgn_sptr_apoint_plus_idx_alland_ff_t()(dptr, sptr, info.xpoints[x]*ch); + } + } + } + } + } + else if(info.xup_yup == 1) + { //scaling down vertically + S32 Cy, j; + S32 yap; + + for(y = 0; y < dstH; y++) + { + Cy = info.yapoints[y] >> 16; + yap = info.yapoints[y] & 0xffff; + + dptr = dst + (y * dstStride); + + for(x = 0; x < dstW; x++) + { + pix = info.ystrides[y] + info.xpoints[x] * ch; + + //for(c = 0; c < ch; ++c) comp[c] = pix[c] * yap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, yap); + + pix += srcStride; + + for(j = (1 << 14) - yap; j > Cy; j -= Cy, pix += srcStride) + { + //for(c = 0; c < ch; ++c) comp[c] += pix[c] * Cy; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, Cy); + } + + if(j > 0) + { + //for(c = 0; c < ch; ++c) comp[c] += pix[c] * j; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, j); + } + + if(info.xapoints[x] > 0) + { + pix = info.ystrides[y] + info.xpoints[x]*ch + ch; + //for(c = 0; c < ch; ++c) cx[c] = pix[c] * yap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, yap); + + pix += srcStride; + for(j = (1 << 14) - yap; j > Cy; j -= Cy) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cy; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cy); + pix += srcStride; + } + + if(j > 0) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * j; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, j); + } + + //for(c = 0; c < ch; ++c) comp[c] = ((comp[c]*(256 - info.xapoints[x])) + ((cx[c] * info.xapoints[x]))) >> 12; + typename scale_info_t::uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r_t()(comp, info.xapoints[x], cx); + } + else + { + //for(c = 0; c < ch; ++c) comp[c] >>= 4; + typename scale_info_t::uroll_comp_rshftasgn_constval_t()(comp, 4); + } + + //for(c = 0; c < ch; ++c) *dptr++ = (comp[c]>>10)&0xff; + typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t()(dptr, comp, 10); + } + } + } + else if(info.xup_yup == 2) + { // scaling down horizontally + S32 Cx, j; + S32 xap; + + for(y = 0; y < dstH; y++) + { + dptr = dst + (y * dstStride); + + for(x = 0; x < dstW; x++) + { + Cx = info.xapoints[x] >> 16; + xap = info.xapoints[x] & 0xffff; + + pix = info.ystrides[y] + info.xpoints[x] * ch; + + //for(c = 0; c < ch; ++c) comp[c] = pix[c] * xap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(comp, pix, xap); + + pix+=ch; + for(j = (1 << 14) - xap; j > Cx; j -= Cx) + { + //for(c = 0; c < ch; ++c) comp[c] += pix[c] * Cx; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, Cx); + pix+=ch; + } + + if(j > 0) + { + //for(c = 0; c < ch; ++c) comp[c] += pix[c] * j; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(comp, pix, j); + } + + if(info.yapoints[y] > 0) + { + pix = info.ystrides[y] + info.xpoints[x]*ch + srcStride; + //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); + + pix+=ch; + for(j = (1 << 14) - xap; j > Cx; j -= Cx) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); + pix+=ch; + } + + if(j > 0) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * j; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, j); + } + + //for(c = 0; c < ch; ++c) comp[c] = ((comp[c] * (256 - info.yapoints[y])) + ((cx[c] * info.yapoints[y]))) >> 12; + typename scale_info_t::uroll_comp_asgn_comp_mul_inv_apoint_plus_cx_mul_apoint_allshifted_12_r_t()(comp, info.yapoints[y], cx); + } + else + { + //for(c = 0; c < ch; ++c) comp[c] >>= 4; + typename scale_info_t::uroll_comp_rshftasgn_constval_t()(comp, 4); + } + + //for(c = 0; c < ch; ++c) *dptr++ = (comp[c]>>10)&0xff; + typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t()(dptr, comp, 10); + } + } + } + else + { //scale x/y - down + S32 Cx, Cy, i, j; + S32 xap, yap; + + for(y = 0; y < dstH; y++) + { + Cy = info.yapoints[y] >> 16; + yap = info.yapoints[y] & 0xffff; + + dptr = dst + (y * dstStride); + for(x = 0; x < dstW; x++) + { + Cx = info.xapoints[x] >> 16; + xap = info.xapoints[x] & 0xffff; + + sptr = info.ystrides[y] + info.xpoints[x] * ch; + pix = sptr; + sptr += srcStride; + + //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); + + pix+=ch; + for(i = (1 << 14) - xap; i > Cx; i -= Cx) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); + pix+=ch; + } + + if(i > 0) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * i; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, i); + } + + //for(c = 0; c < ch; ++c) comp[c] = (cx[c] >> 5) * yap; + typename scale_info_t::uroll_comp_asgn_cx_rshft_cval_all_mul_val_t()(comp, cx, 5, yap); + + for(j = (1 << 14) - yap; j > Cy; j -= Cy) + { + pix = sptr; + sptr += srcStride; + + //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); + + pix+=ch; + for(i = (1 << 14) - xap; i > Cx; i -= Cx) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); + pix+=ch; + } + + if(i > 0) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * i; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, i); + } + + //for(c = 0; c < ch; ++c) comp[c] += (cx[c] >> 5) * Cy; + typename scale_info_t::uroll_comp_plusasgn_cx_rshft_cval_all_mul_val_t()(comp, cx, 5, Cy); + } + + if(j > 0) + { + pix = sptr; + sptr += srcStride; + + //for(c = 0; c < ch; ++c) cx[c] = pix[c] * xap; + typename scale_info_t::uroll_inp_asgn_pix_mul_val_t()(cx, pix, xap); + + pix+=ch; + for(i = (1 << 14) - xap; i > Cx; i -= Cx) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * Cx; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, Cx); + pix+=ch; + } + + if(i > 0) + { + //for(c = 0; c < ch; ++c) cx[c] += pix[c] * i; + typename scale_info_t::uroll_inp_plusasgn_pix_mul_val_t()(cx, pix, i); + } + + //for(c = 0; c < ch; ++c) comp[c] += (cx[c] >> 5) * j; + typename scale_info_t::uroll_comp_plusasgn_cx_rshft_cval_all_mul_val_t()(comp, cx, 5, j); + } + + //for(c = 0; c < ch; ++c) *dptr++ = (comp[c]>>23)&0xff; + typename scale_info_t::uroll_uref_dptr_inc_asgn_comp_rshft_cval_and_ff_t()(dptr, comp, 23); + } + } + } //else } //wrapper static void bilinear_scale(const U8 *src, U32 srcW, U32 srcH, U32 srcCh, U32 srcStride, U8 *dst, U32 dstW, U32 dstH, U32 dstCh, U32 dstStride) { - llassert(srcCh == dstCh); + llassert(srcCh == dstCh); - switch(srcCh) - { - case 1: - bilinear_scale<1>(src, srcW, srcH, srcStride, dst, dstW, dstH, dstStride); - break; - case 3: - bilinear_scale<3>(src, srcW, srcH, srcStride, dst, dstW, dstH, dstStride); - break; - case 4: - bilinear_scale<4>(src, srcW, srcH, srcStride, dst, dstW, dstH, dstStride); - break; - default: - llassert(!"Implement if need"); - break; - } + switch(srcCh) + { + case 1: + bilinear_scale<1>(src, srcW, srcH, srcStride, dst, dstW, dstH, dstStride); + break; + case 3: + bilinear_scale<3>(src, srcW, srcH, srcStride, dst, dstW, dstH, dstStride); + break; + case 4: + bilinear_scale<4>(src, srcW, srcH, srcStride, dst, dstW, dstH, dstStride); + break; + default: + llassert(!"Implement if need"); + break; + } } @@ -584,38 +584,33 @@ static void bilinear_scale(const U8 *src, U32 srcW, U32 srcH, U32 srcCh, U32 src //--------------------------------------------------------------------------- //static -std::string LLImage::sLastErrorMessage; -LLMutex* LLImage::sMutex = NULL; +thread_local std::string LLImage::sLastThreadErrorMessage; bool LLImage::sUseNewByteRange = false; S32 LLImage::sMinimalReverseByteRangePercent = 75; //static void LLImage::initClass(bool use_new_byte_range, S32 minimal_reverse_byte_range_percent) { - sUseNewByteRange = use_new_byte_range; + sUseNewByteRange = use_new_byte_range; sMinimalReverseByteRangePercent = minimal_reverse_byte_range_percent; - sMutex = new LLMutex(); } //static void LLImage::cleanupClass() { - delete sMutex; - sMutex = NULL; } //static -const std::string& LLImage::getLastError() +const std::string& LLImage::getLastThreadError() { - static const std::string noerr("No Error"); - return sLastErrorMessage.empty() ? noerr : sLastErrorMessage; + static const std::string noerr("No Error"); + return sLastThreadErrorMessage.empty() ? noerr : sLastThreadErrorMessage; } //static void LLImage::setLastError(const std::string& message) { - LLMutexLock m(sMutex); - sLastErrorMessage = message; + sLastThreadErrorMessage = message; } //--------------------------------------------------------------------------- @@ -623,175 +618,175 @@ void LLImage::setLastError(const std::string& message) //--------------------------------------------------------------------------- LLImageBase::LLImageBase() -: mData(NULL), - mDataSize(0), - mWidth(0), - mHeight(0), - mComponents(0), - mBadBufferAllocation(false), - mAllowOverSize(false) +: mData(NULL), + mDataSize(0), + mWidth(0), + mHeight(0), + mComponents(0), + mBadBufferAllocation(false), + mAllowOverSize(false) {} // virtual LLImageBase::~LLImageBase() { - deleteData(); // virtual + deleteData(); // virtual } // virtual void LLImageBase::dump() { - LL_INFOS() << "LLImageBase mComponents " << mComponents - << " mData " << mData - << " mDataSize " << mDataSize - << " mWidth " << mWidth - << " mHeight " << mHeight - << LL_ENDL; + LL_INFOS() << "LLImageBase mComponents " << mComponents + << " mData " << mData + << " mDataSize " << mDataSize + << " mWidth " << mWidth + << " mHeight " << mHeight + << LL_ENDL; } // virtual void LLImageBase::sanityCheck() { - if (mWidth > MAX_IMAGE_SIZE - || mHeight > MAX_IMAGE_SIZE - || mDataSize > (S32)MAX_IMAGE_DATA_SIZE - || mComponents > (S8)MAX_IMAGE_COMPONENTS - ) - { - LL_ERRS() << "Failed LLImageBase::sanityCheck " - << "width " << mWidth - << "height " << mHeight - << "datasize " << mDataSize - << "components " << mComponents - << "data " << mData - << LL_ENDL; - } + if (mWidth > MAX_IMAGE_SIZE + || mHeight > MAX_IMAGE_SIZE + || mDataSize > (S32)MAX_IMAGE_DATA_SIZE + || mComponents > (S8)MAX_IMAGE_COMPONENTS + ) + { + LL_ERRS() << "Failed LLImageBase::sanityCheck " + << "width " << mWidth + << "height " << mHeight + << "datasize " << mDataSize + << "components " << mComponents + << "data " << mData + << LL_ENDL; + } } // virtual void LLImageBase::deleteData() { - ll_aligned_free_16(mData); - mDataSize = 0; - mData = NULL; + ll_aligned_free_16(mData); + mDataSize = 0; + mData = NULL; } // virtual U8* LLImageBase::allocateData(S32 size) { - //make this function thread-safe. - static const U32 MAX_BUFFER_SIZE = 4096 * 4096 * 16; //256 MB - mBadBufferAllocation = false; - - if (size < 0) - { - size = mWidth * mHeight * mComponents; - if (size <= 0) - { - LL_WARNS() << llformat("LLImageBase::allocateData called with bad dimensions: %dx%dx%d",mWidth,mHeight,(S32)mComponents) << LL_ENDL; - mBadBufferAllocation = true; - } - } - - if (!mBadBufferAllocation && (size < 1 || size > MAX_BUFFER_SIZE)) - { - LL_INFOS() << "width: " << mWidth << " height: " << mHeight << " components: " << mComponents << LL_ENDL ; - if(mAllowOverSize) - { - LL_INFOS() << "Oversize: " << size << LL_ENDL ; - } - else - { - LL_WARNS() << "LLImageBase::allocateData: bad size: " << size << LL_ENDL; - mBadBufferAllocation = true; - } - } - - if (!mBadBufferAllocation && (!mData || size != mDataSize)) - { - deleteData(); // virtual - mData = (U8*)ll_aligned_malloc_16(size); - if (!mData) - { - LL_WARNS() << "Failed to allocate image data size [" << size << "]" << LL_ENDL; - mBadBufferAllocation = true; - } - } - - if (mBadBufferAllocation) - { - size = 0; - mWidth = mHeight = 0; - if (mData) - { - deleteData(); // virtual - mData = NULL; - } - } - mDataSize = size; - - return mData; + //make this function thread-safe. + static const U32 MAX_BUFFER_SIZE = 4096 * 4096 * 16; //256 MB + mBadBufferAllocation = false; + + if (size < 0) + { + size = mWidth * mHeight * mComponents; + if (size <= 0) + { + LL_WARNS() << llformat("LLImageBase::allocateData called with bad dimensions: %dx%dx%d",mWidth,mHeight,(S32)mComponents) << LL_ENDL; + mBadBufferAllocation = true; + } + } + + if (!mBadBufferAllocation && (size < 1 || size > MAX_BUFFER_SIZE)) + { + LL_INFOS() << "width: " << mWidth << " height: " << mHeight << " components: " << mComponents << LL_ENDL ; + if(mAllowOverSize) + { + LL_INFOS() << "Oversize: " << size << LL_ENDL ; + } + else + { + LL_WARNS() << "LLImageBase::allocateData: bad size: " << size << LL_ENDL; + mBadBufferAllocation = true; + } + } + + if (!mBadBufferAllocation && (!mData || size != mDataSize)) + { + deleteData(); // virtual + mData = (U8*)ll_aligned_malloc_16(size); + if (!mData) + { + LL_WARNS() << "Failed to allocate image data size [" << size << "]" << LL_ENDL; + mBadBufferAllocation = true; + } + } + + if (mBadBufferAllocation) + { + size = 0; + mWidth = mHeight = 0; + if (mData) + { + deleteData(); // virtual + mData = NULL; + } + } + mDataSize = size; + + return mData; } // virtual U8* LLImageBase::reallocateData(S32 size) { - U8 *new_datap = (U8*)ll_aligned_malloc_16(size); - if (!new_datap) - { - LL_WARNS() << "Out of memory in LLImageBase::reallocateData" << LL_ENDL; - return 0; - } - if (mData) - { - S32 bytes = llmin(mDataSize, size); - memcpy(new_datap, mData, bytes); /* Flawfinder: ignore */ - ll_aligned_free_16(mData) ; - } - mData = new_datap; - mDataSize = size; - mBadBufferAllocation = false; - return mData; -} - -const U8* LLImageBase::getData() const -{ - if(mBadBufferAllocation) - { - LL_WARNS() << "Bad memory allocation for the image buffer!" << LL_ENDL ; - return NULL; - } - - return mData; + U8 *new_datap = (U8*)ll_aligned_malloc_16(size); + if (!new_datap) + { + LL_WARNS() << "Out of memory in LLImageBase::reallocateData" << LL_ENDL; + return 0; + } + if (mData) + { + S32 bytes = llmin(mDataSize, size); + memcpy(new_datap, mData, bytes); /* Flawfinder: ignore */ + ll_aligned_free_16(mData) ; + } + mData = new_datap; + mDataSize = size; + mBadBufferAllocation = false; + return mData; +} + +const U8* LLImageBase::getData() const +{ + if(mBadBufferAllocation) + { + LL_WARNS() << "Bad memory allocation for the image buffer!" << LL_ENDL ; + return NULL; + } + + return mData; } // read only -U8* LLImageBase::getData() -{ - if(mBadBufferAllocation) - { - LL_WARNS() << "Bad memory allocation for the image buffer!" << LL_ENDL; - return NULL; - } +U8* LLImageBase::getData() +{ + if(mBadBufferAllocation) + { + LL_WARNS() << "Bad memory allocation for the image buffer!" << LL_ENDL; + return NULL; + } - return mData; + return mData; } bool LLImageBase::isBufferInvalid() const { - return mBadBufferAllocation || mData == NULL ; + return mBadBufferAllocation || mData == NULL ; } void LLImageBase::setSize(S32 width, S32 height, S32 ncomponents) { - mWidth = width; - mHeight = height; - mComponents = ncomponents; + mWidth = width; + mHeight = height; + mComponents = ncomponents; } U8* LLImageBase::allocateDataSize(S32 width, S32 height, S32 ncomponents, S32 size) { - setSize(width, height, ncomponents); - return allocateData(size); // virtual + setSize(width, height, ncomponents); + return allocateData(size); // virtual } //--------------------------------------------------------------------------- @@ -801,17 +796,17 @@ U8* LLImageBase::allocateDataSize(S32 width, S32 height, S32 ncomponents, S32 si S32 LLImageRaw::sRawImageCount = 0; LLImageRaw::LLImageRaw() - : LLImageBase() + : LLImageBase() { - ++sRawImageCount; + ++sRawImageCount; } LLImageRaw::LLImageRaw(U16 width, U16 height, S8 components) - : LLImageBase() + : LLImageBase() { - //llassert( S32(width) * S32(height) * S32(components) <= MAX_IMAGE_DATA_SIZE ); - allocateDataSize(width, height, components); - ++sRawImageCount; + //llassert( S32(width) * S32(height) * S32(components) <= MAX_IMAGE_DATA_SIZE ); + allocateDataSize(width, height, components); + ++sRawImageCount; } LLImageRaw::LLImageRaw(const U8* data, U16 width, U16 height, S8 components) @@ -824,45 +819,45 @@ LLImageRaw::LLImageRaw(const U8* data, U16 width, U16 height, S8 components) } LLImageRaw::LLImageRaw(U8 *data, U16 width, U16 height, S8 components, bool no_copy) - : LLImageBase() + : LLImageBase() { - if(no_copy) - { - setDataAndSize(data, width, height, components); - } - else if(allocateDataSize(width, height, components)) - { - memcpy(getData(), data, width*height*components); - } - ++sRawImageCount; + if(no_copy) + { + setDataAndSize(data, width, height, components); + } + else if(allocateDataSize(width, height, components)) + { + memcpy(getData(), data, width*height*components); + } + ++sRawImageCount; } //LLImageRaw::LLImageRaw(const std::string& filename, bool j2c_lowest_mip_only) -// : LLImageBase() +// : LLImageBase() //{ -// createFromFile(filename, j2c_lowest_mip_only); +// createFromFile(filename, j2c_lowest_mip_only); //} LLImageRaw::~LLImageRaw() { - // NOTE: ~LLimageBase() call to deleteData() calls LLImageBase::deleteData() - // NOT LLImageRaw::deleteData() - deleteData(); - --sRawImageCount; + // NOTE: ~LLimageBase() call to deleteData() calls LLImageBase::deleteData() + // NOT LLImageRaw::deleteData() + deleteData(); + --sRawImageCount; } // virtual U8* LLImageRaw::allocateData(S32 size) { - U8* res = LLImageBase::allocateData(size); - return res; + U8* res = LLImageBase::allocateData(size); + return res; } // virtual U8* LLImageRaw::reallocateData(S32 size) { - U8* res = LLImageBase::reallocateData(size); - return res; + U8* res = LLImageBase::reallocateData(size); + return res; } void LLImageRaw::releaseData() @@ -874,118 +869,118 @@ void LLImageRaw::releaseData() // virtual void LLImageRaw::deleteData() { - LLImageBase::deleteData(); + LLImageBase::deleteData(); } -void LLImageRaw::setDataAndSize(U8 *data, S32 width, S32 height, S8 components) -{ - if(data == getData()) - { - return ; - } +void LLImageRaw::setDataAndSize(U8 *data, S32 width, S32 height, S8 components) +{ + if(data == getData()) + { + return ; + } - deleteData(); + deleteData(); - LLImageBase::setSize(width, height, components) ; - LLImageBase::setDataAndSize(data, width * height * components) ; + LLImageBase::setSize(width, height, components) ; + LLImageBase::setDataAndSize(data, width * height * components) ; } bool LLImageRaw::resize(U16 width, U16 height, S8 components) { - if ((getWidth() == width) && (getHeight() == height) && (getComponents() == components) && !isBufferInvalid()) - { - return true; - } - // Reallocate the data buffer. - deleteData(); + if ((getWidth() == width) && (getHeight() == height) && (getComponents() == components) && !isBufferInvalid()) + { + return true; + } + // Reallocate the data buffer. + deleteData(); - allocateDataSize(width,height,components); + allocateDataSize(width,height,components); - return !isBufferInvalid(); + return !isBufferInvalid(); } bool LLImageRaw::setSubImage(U32 x_pos, U32 y_pos, U32 width, U32 height, - const U8 *data, U32 stride, bool reverse_y) + const U8 *data, U32 stride, bool reverse_y) { - if (!getData()) - { - return false; - } - if (!data) - { - return false; - } + if (!getData()) + { + return false; + } + if (!data) + { + return false; + } - // Should do some simple bounds checking + // Should do some simple bounds checking - U32 i; - for (i = 0; i < height; i++) - { - const U32 row = reverse_y ? height - 1 - i : i; - const U32 from_offset = row * ((stride == 0) ? width*getComponents() : stride); - const U32 to_offset = (y_pos + i)*getWidth() + x_pos; - memcpy(getData() + to_offset*getComponents(), /* Flawfinder: ignore */ - data + from_offset, getComponents()*width); - } + U32 i; + for (i = 0; i < height; i++) + { + const U32 row = reverse_y ? height - 1 - i : i; + const U32 from_offset = row * ((stride == 0) ? width*getComponents() : stride); + const U32 to_offset = (y_pos + i)*getWidth() + x_pos; + memcpy(getData() + to_offset*getComponents(), /* Flawfinder: ignore */ + data + from_offset, getComponents()*width); + } - return true; + return true; } void LLImageRaw::clear(U8 r, U8 g, U8 b, U8 a) { - llassert( getComponents() <= 4 ); - // This is fairly bogus, but it'll do for now. - if (isBufferInvalid()) - { - LL_WARNS() << "Invalid image buffer" << LL_ENDL; - return; - } - - U8 *pos = getData(); - U32 x, y; - for (x = 0; x < getWidth(); x++) - { - for (y = 0; y < getHeight(); y++) - { - *pos = r; - pos++; - if (getComponents() == 1) - { - continue; - } - *pos = g; - pos++; - if (getComponents() == 2) - { - continue; - } - *pos = b; - pos++; - if (getComponents() == 3) - { - continue; - } - *pos = a; - pos++; - } - } + llassert( getComponents() <= 4 ); + // This is fairly bogus, but it'll do for now. + if (isBufferInvalid()) + { + LL_WARNS() << "Invalid image buffer" << LL_ENDL; + return; + } + + U8 *pos = getData(); + U32 x, y; + for (x = 0; x < getWidth(); x++) + { + for (y = 0; y < getHeight(); y++) + { + *pos = r; + pos++; + if (getComponents() == 1) + { + continue; + } + *pos = g; + pos++; + if (getComponents() == 2) + { + continue; + } + *pos = b; + pos++; + if (getComponents() == 3) + { + continue; + } + *pos = a; + pos++; + } + } } // Reverses the order of the rows in the image void LLImageRaw::verticalFlip() { - S32 row_bytes = getWidth() * getComponents(); - llassert(row_bytes > 0); - std::vector<U8> line_buffer(row_bytes); - S32 mid_row = getHeight() / 2; - for( S32 row = 0; row < mid_row; row++ ) - { - U8* row_a_data = getData() + row * row_bytes; - U8* row_b_data = getData() + (getHeight() - 1 - row) * row_bytes; - memcpy( &line_buffer[0], row_a_data, row_bytes ); - memcpy( row_a_data, row_b_data, row_bytes ); - memcpy( row_b_data, &line_buffer[0], row_bytes ); - } + S32 row_bytes = getWidth() * getComponents(); + llassert(row_bytes > 0); + std::vector<U8> line_buffer(row_bytes); + S32 mid_row = getHeight() / 2; + for( S32 row = 0; row < mid_row; row++ ) + { + U8* row_a_data = getData() + row * row_bytes; + U8* row_b_data = getData() + (getHeight() - 1 - row) * row_bytes; + memcpy( &line_buffer[0], row_a_data, row_bytes ); + memcpy( row_a_data, row_b_data, row_bytes ); + memcpy( row_b_data, &line_buffer[0], row_bytes ); + } } @@ -1028,430 +1023,430 @@ bool LLImageRaw::optimizeAwayAlpha() void LLImageRaw::expandToPowerOfTwo(S32 max_dim, bool scale_image) { - // Find new sizes - S32 new_width = expandDimToPowerOfTwo(getWidth(), max_dim); - S32 new_height = expandDimToPowerOfTwo(getHeight(), max_dim); + // Find new sizes + S32 new_width = expandDimToPowerOfTwo(getWidth(), max_dim); + S32 new_height = expandDimToPowerOfTwo(getHeight(), max_dim); - scale( new_width, new_height, scale_image ); + scale( new_width, new_height, scale_image ); } void LLImageRaw::contractToPowerOfTwo(S32 max_dim, bool scale_image) { - // Find new sizes - S32 new_width = contractDimToPowerOfTwo(getWidth(), MIN_IMAGE_SIZE); - S32 new_height = contractDimToPowerOfTwo(getHeight(), MIN_IMAGE_SIZE); + // Find new sizes + S32 new_width = contractDimToPowerOfTwo(getWidth(), MIN_IMAGE_SIZE); + S32 new_height = contractDimToPowerOfTwo(getHeight(), MIN_IMAGE_SIZE); - scale( new_width, new_height, scale_image ); + scale( new_width, new_height, scale_image ); } // static S32 LLImageRaw::biasedDimToPowerOfTwo(S32 curr_dim, S32 max_dim) { - // Strong bias towards rounding down (to save bandwidth) - // No bias would mean THRESHOLD == 1.5f; - const F32 THRESHOLD = 1.75f; - - // Find new sizes - S32 larger_dim = max_dim; // 2^n >= curr_dim - S32 smaller_dim = max_dim; // 2^(n-1) <= curr_dim - while( (smaller_dim > curr_dim) && (smaller_dim > MIN_IMAGE_SIZE) ) - { - larger_dim = smaller_dim; - smaller_dim >>= 1; - } - return ( ((F32)curr_dim / (F32)smaller_dim) > THRESHOLD ) ? larger_dim : smaller_dim; + // Strong bias towards rounding down (to save bandwidth) + // No bias would mean THRESHOLD == 1.5f; + const F32 THRESHOLD = 1.75f; + + // Find new sizes + S32 larger_dim = max_dim; // 2^n >= curr_dim + S32 smaller_dim = max_dim; // 2^(n-1) <= curr_dim + while( (smaller_dim > curr_dim) && (smaller_dim > MIN_IMAGE_SIZE) ) + { + larger_dim = smaller_dim; + smaller_dim >>= 1; + } + return ( ((F32)curr_dim / (F32)smaller_dim) > THRESHOLD ) ? larger_dim : smaller_dim; } // static S32 LLImageRaw::expandDimToPowerOfTwo(S32 curr_dim, S32 max_dim) { - S32 new_dim = MIN_IMAGE_SIZE; - while( (new_dim < curr_dim) && (new_dim < max_dim) ) - { - new_dim <<= 1; - } + S32 new_dim = MIN_IMAGE_SIZE; + while( (new_dim < curr_dim) && (new_dim < max_dim) ) + { + new_dim <<= 1; + } return new_dim; } // static S32 LLImageRaw::contractDimToPowerOfTwo(S32 curr_dim, S32 min_dim) { - S32 new_dim = MAX_IMAGE_SIZE; - while( (new_dim > curr_dim) && (new_dim > min_dim) ) - { - new_dim >>= 1; - } + S32 new_dim = MAX_IMAGE_SIZE; + while( (new_dim > curr_dim) && (new_dim > min_dim) ) + { + new_dim >>= 1; + } return new_dim; } void LLImageRaw::biasedScaleToPowerOfTwo(S32 max_dim) { - // Find new sizes - S32 new_width = biasedDimToPowerOfTwo(getWidth(),max_dim); - S32 new_height = biasedDimToPowerOfTwo(getHeight(),max_dim); + // Find new sizes + S32 new_width = biasedDimToPowerOfTwo(getWidth(),max_dim); + S32 new_height = biasedDimToPowerOfTwo(getHeight(),max_dim); - scale( new_width, new_height ); + scale( new_width, new_height ); } // Calculates (U8)(255*(a/255.f)*(b/255.f) + 0.5f). Thanks, Jim Blinn! inline U8 LLImageRaw::fastFractionalMult( U8 a, U8 b ) { - U32 i = a * b + 128; - return U8((i + (i>>8)) >> 8); + U32 i = a * b + 128; + return U8((i + (i>>8)) >> 8); } void LLImageRaw::composite( LLImageRaw* src ) { - LLImageRaw* dst = this; // Just for clarity. - - if (!validateSrcAndDst("LLImageRaw::composite", src, dst)) - { - return; - } - - llassert(3 == src->getComponents()); - llassert(3 == dst->getComponents()); - - if( 3 == dst->getComponents() ) - { - if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ) - { - // No scaling needed - if( 3 == src->getComponents() ) - { - copyUnscaled( src ); // alpha is one so just copy the data. - } - else - { - compositeUnscaled4onto3( src ); - } - } - else - { - if( 3 == src->getComponents() ) - { - copyScaled( src ); // alpha is one so just copy the data. - } - else - { - compositeScaled4onto3( src ); - } - } - } + LLImageRaw* dst = this; // Just for clarity. + + if (!validateSrcAndDst("LLImageRaw::composite", src, dst)) + { + return; + } + + llassert(3 == src->getComponents()); + llassert(3 == dst->getComponents()); + + if( 3 == dst->getComponents() ) + { + if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ) + { + // No scaling needed + if( 3 == src->getComponents() ) + { + copyUnscaled( src ); // alpha is one so just copy the data. + } + else + { + compositeUnscaled4onto3( src ); + } + } + else + { + if( 3 == src->getComponents() ) + { + copyScaled( src ); // alpha is one so just copy the data. + } + else + { + compositeScaled4onto3( src ); + } + } + } } // Src and dst can be any size. Src has 4 components. Dst has 3 components. void LLImageRaw::compositeScaled4onto3(LLImageRaw* src) { - LL_INFOS() << "compositeScaled4onto3" << LL_ENDL; + LL_INFOS() << "compositeScaled4onto3" << LL_ENDL; - LLImageRaw* dst = this; // Just for clarity. + LLImageRaw* dst = this; // Just for clarity. - llassert( (4 == src->getComponents()) && (3 == dst->getComponents()) ); + llassert( (4 == src->getComponents()) && (3 == dst->getComponents()) ); - S32 temp_data_size = src->getWidth() * dst->getHeight() * src->getComponents(); - llassert_always(temp_data_size > 0); - std::vector<U8> temp_buffer(temp_data_size); + S32 temp_data_size = src->getWidth() * dst->getHeight() * src->getComponents(); + llassert_always(temp_data_size > 0); + std::vector<U8> temp_buffer(temp_data_size); - // Vertical: scale but no composite - for( S32 col = 0; col < src->getWidth(); col++ ) - { - copyLineScaled( src->getData() + (src->getComponents() * col), &temp_buffer[0] + (src->getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() ); - } + // Vertical: scale but no composite + for( S32 col = 0; col < src->getWidth(); col++ ) + { + copyLineScaled( src->getData() + (src->getComponents() * col), &temp_buffer[0] + (src->getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() ); + } - // Horizontal: scale and composite - for( S32 row = 0; row < dst->getHeight(); row++ ) - { - compositeRowScaled4onto3( &temp_buffer[0] + (src->getComponents() * src->getWidth() * row), dst->getData() + (dst->getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth() ); - } + // Horizontal: scale and composite + for( S32 row = 0; row < dst->getHeight(); row++ ) + { + compositeRowScaled4onto3( &temp_buffer[0] + (src->getComponents() * src->getWidth() * row), dst->getData() + (dst->getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth() ); + } } // Src and dst are same size. Src has 4 components. Dst has 3 components. void LLImageRaw::compositeUnscaled4onto3( LLImageRaw* src ) { - LLImageRaw* dst = this; // Just for clarity. - - llassert( (3 == src->getComponents()) || (4 == src->getComponents()) ); - llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); - - U8* src_data = src->getData(); - U8* dst_data = dst->getData(); - S32 pixels = getWidth() * getHeight(); - while( pixels-- ) - { - U8 alpha = src_data[3]; - if( alpha ) - { - if( 255 == alpha ) - { - dst_data[0] = src_data[0]; - dst_data[1] = src_data[1]; - dst_data[2] = src_data[2]; - } - else - { - - U8 transparency = 255 - alpha; - dst_data[0] = fastFractionalMult( dst_data[0], transparency ) + fastFractionalMult( src_data[0], alpha ); - dst_data[1] = fastFractionalMult( dst_data[1], transparency ) + fastFractionalMult( src_data[1], alpha ); - dst_data[2] = fastFractionalMult( dst_data[2], transparency ) + fastFractionalMult( src_data[2], alpha ); - } - } - - src_data += 4; - dst_data += 3; - } + LLImageRaw* dst = this; // Just for clarity. + + llassert( (3 == src->getComponents()) || (4 == src->getComponents()) ); + llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); + + U8* src_data = src->getData(); + U8* dst_data = dst->getData(); + S32 pixels = getWidth() * getHeight(); + while( pixels-- ) + { + U8 alpha = src_data[3]; + if( alpha ) + { + if( 255 == alpha ) + { + dst_data[0] = src_data[0]; + dst_data[1] = src_data[1]; + dst_data[2] = src_data[2]; + } + else + { + + U8 transparency = 255 - alpha; + dst_data[0] = fastFractionalMult( dst_data[0], transparency ) + fastFractionalMult( src_data[0], alpha ); + dst_data[1] = fastFractionalMult( dst_data[1], transparency ) + fastFractionalMult( src_data[1], alpha ); + dst_data[2] = fastFractionalMult( dst_data[2], transparency ) + fastFractionalMult( src_data[2], alpha ); + } + } + + src_data += 4; + dst_data += 3; + } } void LLImageRaw::copyUnscaledAlphaMask( LLImageRaw* src, const LLColor4U& fill) { - LLImageRaw* dst = this; // Just for clarity. + LLImageRaw* dst = this; // Just for clarity. - if (!validateSrcAndDst("LLImageRaw::copyUnscaledAlphaMask", src, dst)) - { - return; - } + if (!validateSrcAndDst("LLImageRaw::copyUnscaledAlphaMask", src, dst)) + { + return; + } - llassert( 1 == src->getComponents() ); - llassert( 4 == dst->getComponents() ); - llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); + llassert( 1 == src->getComponents() ); + llassert( 4 == dst->getComponents() ); + llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); - S32 pixels = getWidth() * getHeight(); - U8* src_data = src->getData(); - U8* dst_data = dst->getData(); - for ( S32 i = 0; i < pixels; i++ ) - { - dst_data[0] = fill.mV[0]; - dst_data[1] = fill.mV[1]; - dst_data[2] = fill.mV[2]; - dst_data[3] = src_data[0]; - src_data += 1; - dst_data += 4; - } + S32 pixels = getWidth() * getHeight(); + U8* src_data = src->getData(); + U8* dst_data = dst->getData(); + for ( S32 i = 0; i < pixels; i++ ) + { + dst_data[0] = fill.mV[0]; + dst_data[1] = fill.mV[1]; + dst_data[2] = fill.mV[2]; + dst_data[3] = src_data[0]; + src_data += 1; + dst_data += 4; + } } // Fill the buffer with a constant color void LLImageRaw::fill( const LLColor4U& color ) { - if (isBufferInvalid()) - { - LL_WARNS() << "Invalid image buffer" << LL_ENDL; - return; - } - - S32 pixels = getWidth() * getHeight(); - if( 4 == getComponents() ) - { - U32* data = (U32*) getData(); - U32 rgbaColor = color.asRGBA(); - for( S32 i = 0; i < pixels; i++ ) - { - data[ i ] = rgbaColor; - } - } - else - if( 3 == getComponents() ) - { - U8* data = getData(); - for( S32 i = 0; i < pixels; i++ ) - { - data[0] = color.mV[0]; - data[1] = color.mV[1]; - data[2] = color.mV[2]; - data += 3; - } - } + if (isBufferInvalid()) + { + LL_WARNS() << "Invalid image buffer" << LL_ENDL; + return; + } + + S32 pixels = getWidth() * getHeight(); + if( 4 == getComponents() ) + { + U32* data = (U32*) getData(); + U32 rgbaColor = color.asRGBA(); + for( S32 i = 0; i < pixels; i++ ) + { + data[ i ] = rgbaColor; + } + } + else + if( 3 == getComponents() ) + { + U8* data = getData(); + for( S32 i = 0; i < pixels; i++ ) + { + data[0] = color.mV[0]; + data[1] = color.mV[1]; + data[2] = color.mV[2]; + data += 3; + } + } } LLPointer<LLImageRaw> LLImageRaw::duplicate() { - if(getNumRefs() < 2) - { - return this; //nobody else refences to this image, no need to duplicate. - } + if(getNumRefs() < 2) + { + return this; //nobody else refences to this image, no need to duplicate. + } - //make a duplicate - LLPointer<LLImageRaw> dup = new LLImageRaw(getData(), getWidth(), getHeight(), getComponents()); - return dup; + //make a duplicate + LLPointer<LLImageRaw> dup = new LLImageRaw(getData(), getWidth(), getHeight(), getComponents()); + return dup; } // Src and dst can be any size. Src and dst can each have 3 or 4 components. void LLImageRaw::copy(LLImageRaw* src) { - LLImageRaw* dst = this; // Just for clarity. - - if (!validateSrcAndDst("LLImageRaw::copy", src, dst)) - { - return; - } - - if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ) - { - // No scaling needed - if( src->getComponents() == dst->getComponents() ) - { - copyUnscaled( src ); - } - else - if( 3 == src->getComponents() ) - { - copyUnscaled3onto4( src ); - } - else - { - // 4 == src->getComponents() - copyUnscaled4onto3( src ); - } - } - else - { - // Scaling needed - // No scaling needed - if( src->getComponents() == dst->getComponents() ) - { - copyScaled( src ); - } - else - if( 3 == src->getComponents() ) - { - copyScaled3onto4( src ); - } - else - { - // 4 == src->getComponents() - copyScaled4onto3( src ); - } - } + LLImageRaw* dst = this; // Just for clarity. + + if (!validateSrcAndDst("LLImageRaw::copy", src, dst)) + { + return; + } + + if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ) + { + // No scaling needed + if( src->getComponents() == dst->getComponents() ) + { + copyUnscaled( src ); + } + else + if( 3 == src->getComponents() ) + { + copyUnscaled3onto4( src ); + } + else + { + // 4 == src->getComponents() + copyUnscaled4onto3( src ); + } + } + else + { + // Scaling needed + // No scaling needed + if( src->getComponents() == dst->getComponents() ) + { + copyScaled( src ); + } + else + if( 3 == src->getComponents() ) + { + copyScaled3onto4( src ); + } + else + { + // 4 == src->getComponents() + copyScaled4onto3( src ); + } + } } // Src and dst are same size. Src and dst have same number of components. void LLImageRaw::copyUnscaled(LLImageRaw* src) { - LLImageRaw* dst = this; // Just for clarity. + LLImageRaw* dst = this; // Just for clarity. - llassert( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) ); - llassert( src->getComponents() == dst->getComponents() ); - llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); + llassert( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) ); + llassert( src->getComponents() == dst->getComponents() ); + llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); - memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() ); /* Flawfinder: ignore */ + memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() ); /* Flawfinder: ignore */ } // Src and dst can be any size. Src has 3 components. Dst has 4 components. void LLImageRaw::copyScaled3onto4(LLImageRaw* src) { - llassert( (3 == src->getComponents()) && (4 == getComponents()) ); + llassert( (3 == src->getComponents()) && (4 == getComponents()) ); - // Slow, but simple. Optimize later if needed. - LLImageRaw temp( src->getWidth(), src->getHeight(), 4); - temp.copyUnscaled3onto4( src ); - copyScaled( &temp ); + // Slow, but simple. Optimize later if needed. + LLImageRaw temp( src->getWidth(), src->getHeight(), 4); + temp.copyUnscaled3onto4( src ); + copyScaled( &temp ); } // Src and dst can be any size. Src has 4 components. Dst has 3 components. void LLImageRaw::copyScaled4onto3(LLImageRaw* src) { - llassert( (4 == src->getComponents()) && (3 == getComponents()) ); + llassert( (4 == src->getComponents()) && (3 == getComponents()) ); - // Slow, but simple. Optimize later if needed. - LLImageRaw temp( src->getWidth(), src->getHeight(), 3); - temp.copyUnscaled4onto3( src ); - copyScaled( &temp ); + // Slow, but simple. Optimize later if needed. + LLImageRaw temp( src->getWidth(), src->getHeight(), 3); + temp.copyUnscaled4onto3( src ); + copyScaled( &temp ); } // Src and dst are same size. Src has 4 components. Dst has 3 components. void LLImageRaw::copyUnscaled4onto3( LLImageRaw* src ) { - LLImageRaw* dst = this; // Just for clarity. + LLImageRaw* dst = this; // Just for clarity. - llassert( (3 == dst->getComponents()) && (4 == src->getComponents()) ); - llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); + llassert( (3 == dst->getComponents()) && (4 == src->getComponents()) ); + llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); - S32 pixels = getWidth() * getHeight(); - U8* src_data = src->getData(); - U8* dst_data = dst->getData(); - for( S32 i=0; i<pixels; i++ ) - { - dst_data[0] = src_data[0]; - dst_data[1] = src_data[1]; - dst_data[2] = src_data[2]; - src_data += 4; - dst_data += 3; - } + S32 pixels = getWidth() * getHeight(); + U8* src_data = src->getData(); + U8* dst_data = dst->getData(); + for( S32 i=0; i<pixels; i++ ) + { + dst_data[0] = src_data[0]; + dst_data[1] = src_data[1]; + dst_data[2] = src_data[2]; + src_data += 4; + dst_data += 3; + } } // Src and dst are same size. Src has 3 components. Dst has 4 components. void LLImageRaw::copyUnscaled3onto4( LLImageRaw* src ) { - LLImageRaw* dst = this; // Just for clarity. - llassert( 3 == src->getComponents() ); - llassert( 4 == dst->getComponents() ); - llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); + LLImageRaw* dst = this; // Just for clarity. + llassert( 3 == src->getComponents() ); + llassert( 4 == dst->getComponents() ); + llassert( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ); - S32 pixels = getWidth() * getHeight(); - U8* src_data = src->getData(); - U8* dst_data = dst->getData(); - for( S32 i=0; i<pixels; i++ ) - { - dst_data[0] = src_data[0]; - dst_data[1] = src_data[1]; - dst_data[2] = src_data[2]; - dst_data[3] = 255; - src_data += 3; - dst_data += 4; - } + S32 pixels = getWidth() * getHeight(); + U8* src_data = src->getData(); + U8* dst_data = dst->getData(); + for( S32 i=0; i<pixels; i++ ) + { + dst_data[0] = src_data[0]; + dst_data[1] = src_data[1]; + dst_data[2] = src_data[2]; + dst_data[3] = 255; + src_data += 3; + dst_data += 4; + } } // Src and dst can be any size. Src and dst have same number of components. void LLImageRaw::copyScaled( LLImageRaw* src ) { - LLImageRaw* dst = this; // Just for clarity. + LLImageRaw* dst = this; // Just for clarity. - if (!validateSrcAndDst("LLImageRaw::copyScaled", src, dst)) - { - return; - } + if (!validateSrcAndDst("LLImageRaw::copyScaled", src, dst)) + { + return; + } - llassert_always( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) ); - llassert_always( src->getComponents() == dst->getComponents() ); + llassert_always( (1 == src->getComponents()) || (3 == src->getComponents()) || (4 == src->getComponents()) ); + llassert_always( src->getComponents() == dst->getComponents() ); - if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ) - { - memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() ); /* Flawfinder: ignore */ - return; - } + if( (src->getWidth() == dst->getWidth()) && (src->getHeight() == dst->getHeight()) ) + { + memcpy( dst->getData(), src->getData(), getWidth() * getHeight() * getComponents() ); /* Flawfinder: ignore */ + return; + } - bilinear_scale( - src->getData(), src->getWidth(), src->getHeight(), src->getComponents(), src->getWidth()*src->getComponents() - , dst->getData(), dst->getWidth(), dst->getHeight(), dst->getComponents(), dst->getWidth()*dst->getComponents() - ); + bilinear_scale( + src->getData(), src->getWidth(), src->getHeight(), src->getComponents(), src->getWidth()*src->getComponents() + , dst->getData(), dst->getWidth(), dst->getHeight(), dst->getComponents(), dst->getWidth()*dst->getComponents() + ); - /* - S32 temp_data_size = src->getWidth() * dst->getHeight() * getComponents(); - llassert_always(temp_data_size > 0); - std::vector<U8> temp_buffer(temp_data_size); + /* + S32 temp_data_size = src->getWidth() * dst->getHeight() * getComponents(); + llassert_always(temp_data_size > 0); + std::vector<U8> temp_buffer(temp_data_size); - // Vertical - for( S32 col = 0; col < src->getWidth(); col++ ) - { - copyLineScaled( src->getData() + (getComponents() * col), &temp_buffer[0] + (getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() ); - } + // Vertical + for( S32 col = 0; col < src->getWidth(); col++ ) + { + copyLineScaled( src->getData() + (getComponents() * col), &temp_buffer[0] + (getComponents() * col), src->getHeight(), dst->getHeight(), src->getWidth(), src->getWidth() ); + } - // Horizontal - for( S32 row = 0; row < dst->getHeight(); row++ ) - { - copyLineScaled( &temp_buffer[0] + (getComponents() * src->getWidth() * row), dst->getData() + (getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth(), 1, 1 ); - } - */ + // Horizontal + for( S32 row = 0; row < dst->getHeight(); row++ ) + { + copyLineScaled( &temp_buffer[0] + (getComponents() * src->getWidth() * row), dst->getData() + (getComponents() * dst->getWidth() * row), src->getWidth(), dst->getWidth(), 1, 1 ); + } + */ } @@ -1464,79 +1459,79 @@ bool LLImageRaw::scale( S32 new_width, S32 new_height, bool scale_image_data ) return false; } - if (isBufferInvalid()) - { - LL_WARNS() << "Invalid image buffer" << LL_ENDL; - return false; - } + if (isBufferInvalid()) + { + LL_WARNS() << "Invalid image buffer" << LL_ENDL; + return false; + } + + S32 old_width = getWidth(); + S32 old_height = getHeight(); - S32 old_width = getWidth(); - S32 old_height = getHeight(); - - if( (old_width == new_width) && (old_height == new_height) ) - { - return true; // Nothing to do. - } + if( (old_width == new_width) && (old_height == new_height) ) + { + return true; // Nothing to do. + } - // Reallocate the data buffer. + // Reallocate the data buffer. - if (scale_image_data) - { - S32 new_data_size = new_width * new_height * components; + if (scale_image_data) + { + S32 new_data_size = new_width * new_height * components; - if (new_data_size > 0) + if (new_data_size > 0) { - U8 *new_data = (U8*)ll_aligned_malloc_16(new_data_size); - if(NULL == new_data) + U8 *new_data = (U8*)ll_aligned_malloc_16(new_data_size); + if(NULL == new_data) { - return false; + return false; } bilinear_scale(getData(), old_width, old_height, components, old_width*components, new_data, new_width, new_height, components, new_width*components); - setDataAndSize(new_data, new_width, new_height, components); - } - } - else try - { - // copy out existing image data - S32 temp_data_size = old_width * old_height * components; - std::vector<U8> temp_buffer(temp_data_size); - memcpy(&temp_buffer[0], getData(), temp_data_size); - - // allocate new image data, will delete old data - U8* new_buffer = allocateDataSize(new_width, new_height, components); + setDataAndSize(new_data, new_width, new_height, components); + } + } + else try + { + // copy out existing image data + S32 temp_data_size = old_width * old_height * components; + std::vector<U8> temp_buffer(temp_data_size); + memcpy(&temp_buffer[0], getData(), temp_data_size); + + // allocate new image data, will delete old data + U8* new_buffer = allocateDataSize(new_width, new_height, components); if (!new_buffer) { LL_WARNS() << "Failed to allocate new image data buffer" << LL_ENDL; return false; } - - for( S32 row = 0; row < new_height; row++ ) + + for( S32 row = 0; row < new_height; row++ ) { - if (row < old_height) + if (row < old_height) { - memcpy(new_buffer + (new_width * row * components), &temp_buffer[0] + (old_width * row * components), components * llmin(old_width, new_width)); - if (old_width < new_width) + memcpy(new_buffer + (new_width * row * components), &temp_buffer[0] + (old_width * row * components), components * llmin(old_width, new_width)); + if (old_width < new_width) { - // pad out rest of row with black - memset(new_buffer + (components * ((new_width * row) + old_width)), 0, components * (new_width - old_width)); + // pad out rest of row with black + memset(new_buffer + (components * ((new_width * row) + old_width)), 0, components * (new_width - old_width)); } } else { // pad remaining rows with black - memset(new_buffer + (new_width * row * components), 0, new_width * components); + memset(new_buffer + (new_width * row * components), 0, new_width * components); } } - } + } catch (std::bad_alloc&) // for temp_buffer { LL_WARNS() << "Failed to allocate temporary image buffer" << LL_ENDL; return false; } - return true ; + return true ; } LLPointer<LLImageRaw> LLImageRaw::scaled(S32 new_width, S32 new_height) @@ -1590,372 +1585,372 @@ LLPointer<LLImageRaw> LLImageRaw::scaled(S32 new_width, S32 new_height) 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(); - llassert( components >= 1 && components <= 4 ); - - const F32 ratio = F32(in_pixel_len) / out_pixel_len; // ratio of old to new - const F32 norm_factor = 1.f / ratio; - - S32 goff = components >= 2 ? 1 : 0; - S32 boff = components >= 3 ? 2 : 0; - for( S32 x = 0; x < out_pixel_len; x++ ) - { - // Sample input pixels in range from sample0 to sample1. - // Avoid floating point accumulation error... don't just add ratio each time. JC - const F32 sample0 = x * ratio; - const F32 sample1 = (x+1) * ratio; - const S32 index0 = llfloor(sample0); // left integer (floor) - const S32 index1 = llfloor(sample1); // right integer (floor) - const F32 fract0 = 1.f - (sample0 - F32(index0)); // spill over on left - const F32 fract1 = sample1 - F32(index1); // spill-over on right - - if( index0 == index1 ) - { - // Interval is embedded in one input pixel - S32 t0 = x * out_pixel_step * components; - S32 t1 = index0 * in_pixel_step * components; - U8* outp = out + t0; - U8* inp = in + t1; - for (S32 i = 0; i < components; ++i) - { - *outp = *inp; - ++outp; - ++inp; - } - } - else - { - // Left straddle - S32 t1 = index0 * in_pixel_step * components; - F32 r = in[t1 + 0] * fract0; - F32 g = in[t1 + goff] * fract0; - F32 b = in[t1 + boff] * fract0; - F32 a = 0; - if( components == 4) - { - a = in[t1 + 3] * fract0; - } - - // Central interval - if (components < 4) - { - for( S32 u = index0 + 1; u < index1; u++ ) - { - S32 t2 = u * in_pixel_step * components; - r += in[t2 + 0]; - g += in[t2 + goff]; - b += in[t2 + boff]; - } - } - else - { - for( S32 u = index0 + 1; u < index1; u++ ) - { - S32 t2 = u * in_pixel_step * components; - r += in[t2 + 0]; - g += in[t2 + 1]; - b += in[t2 + 2]; - a += in[t2 + 3]; - } - } - - // right straddle - // Watch out for reading off of end of input array. - if( fract1 && index1 < in_pixel_len ) - { - S32 t3 = index1 * in_pixel_step * components; - if (components < 4) - { - U8 in0 = in[t3 + 0]; - U8 in1 = in[t3 + goff]; - U8 in2 = in[t3 + boff]; - r += in0 * fract1; - g += in1 * fract1; - b += in2 * fract1; - } - else - { - U8 in0 = in[t3 + 0]; - U8 in1 = in[t3 + 1]; - U8 in2 = in[t3 + 2]; - U8 in3 = in[t3 + 3]; - r += in0 * fract1; - g += in1 * fract1; - b += in2 * fract1; - a += in3 * fract1; - } - } - - r *= norm_factor; - g *= norm_factor; - b *= norm_factor; - a *= norm_factor; // skip conditional - - S32 t4 = x * out_pixel_step * components; - out[t4 + 0] = U8(ll_round(r)); - if (components >= 2) - out[t4 + 1] = U8(ll_round(g)); - if (components >= 3) - out[t4 + 2] = U8(ll_round(b)); - if( components == 4) - out[t4 + 3] = U8(ll_round(a)); - } - } + const S32 components = getComponents(); + llassert( components >= 1 && components <= 4 ); + + const F32 ratio = F32(in_pixel_len) / out_pixel_len; // ratio of old to new + const F32 norm_factor = 1.f / ratio; + + S32 goff = components >= 2 ? 1 : 0; + S32 boff = components >= 3 ? 2 : 0; + for( S32 x = 0; x < out_pixel_len; x++ ) + { + // Sample input pixels in range from sample0 to sample1. + // Avoid floating point accumulation error... don't just add ratio each time. JC + const F32 sample0 = x * ratio; + const F32 sample1 = (x+1) * ratio; + const S32 index0 = llfloor(sample0); // left integer (floor) + const S32 index1 = llfloor(sample1); // right integer (floor) + const F32 fract0 = 1.f - (sample0 - F32(index0)); // spill over on left + const F32 fract1 = sample1 - F32(index1); // spill-over on right + + if( index0 == index1 ) + { + // Interval is embedded in one input pixel + S32 t0 = x * out_pixel_step * components; + S32 t1 = index0 * in_pixel_step * components; + U8* outp = out + t0; + U8* inp = in + t1; + for (S32 i = 0; i < components; ++i) + { + *outp = *inp; + ++outp; + ++inp; + } + } + else + { + // Left straddle + S32 t1 = index0 * in_pixel_step * components; + F32 r = in[t1 + 0] * fract0; + F32 g = in[t1 + goff] * fract0; + F32 b = in[t1 + boff] * fract0; + F32 a = 0; + if( components == 4) + { + a = in[t1 + 3] * fract0; + } + + // Central interval + if (components < 4) + { + for( S32 u = index0 + 1; u < index1; u++ ) + { + S32 t2 = u * in_pixel_step * components; + r += in[t2 + 0]; + g += in[t2 + goff]; + b += in[t2 + boff]; + } + } + else + { + for( S32 u = index0 + 1; u < index1; u++ ) + { + S32 t2 = u * in_pixel_step * components; + r += in[t2 + 0]; + g += in[t2 + 1]; + b += in[t2 + 2]; + a += in[t2 + 3]; + } + } + + // right straddle + // Watch out for reading off of end of input array. + if( fract1 && index1 < in_pixel_len ) + { + S32 t3 = index1 * in_pixel_step * components; + if (components < 4) + { + U8 in0 = in[t3 + 0]; + U8 in1 = in[t3 + goff]; + U8 in2 = in[t3 + boff]; + r += in0 * fract1; + g += in1 * fract1; + b += in2 * fract1; + } + else + { + U8 in0 = in[t3 + 0]; + U8 in1 = in[t3 + 1]; + U8 in2 = in[t3 + 2]; + U8 in3 = in[t3 + 3]; + r += in0 * fract1; + g += in1 * fract1; + b += in2 * fract1; + a += in3 * fract1; + } + } + + r *= norm_factor; + g *= norm_factor; + b *= norm_factor; + a *= norm_factor; // skip conditional + + S32 t4 = x * out_pixel_step * components; + out[t4 + 0] = U8(ll_round(r)); + if (components >= 2) + out[t4 + 1] = U8(ll_round(g)); + if (components >= 3) + out[t4 + 2] = U8(ll_round(b)); + if( components == 4) + out[t4 + 3] = U8(ll_round(a)); + } + } } void LLImageRaw::compositeRowScaled4onto3( U8* in, U8* out, S32 in_pixel_len, S32 out_pixel_len ) { - llassert( getComponents() == 3 ); - - const S32 IN_COMPONENTS = 4; - const S32 OUT_COMPONENTS = 3; - - const F32 ratio = F32(in_pixel_len) / out_pixel_len; // ratio of old to new - const F32 norm_factor = 1.f / ratio; - - for( S32 x = 0; x < out_pixel_len; x++ ) - { - // Sample input pixels in range from sample0 to sample1. - // Avoid floating point accumulation error... don't just add ratio each time. JC - const F32 sample0 = x * ratio; - const F32 sample1 = (x+1) * ratio; - const S32 index0 = S32(sample0); // left integer (floor) - const S32 index1 = S32(sample1); // right integer (floor) - const F32 fract0 = 1.f - (sample0 - F32(index0)); // spill over on left - const F32 fract1 = sample1 - F32(index1); // spill-over on right - - U8 in_scaled_r; - U8 in_scaled_g; - U8 in_scaled_b; - U8 in_scaled_a; - - if( index0 == index1 ) - { - // Interval is embedded in one input pixel - S32 t1 = index0 * IN_COMPONENTS; - in_scaled_r = in[t1 + 0]; - in_scaled_g = in[t1 + 0]; - in_scaled_b = in[t1 + 0]; - in_scaled_a = in[t1 + 0]; - } - else - { - // Left straddle - S32 t1 = index0 * IN_COMPONENTS; - F32 r = in[t1 + 0] * fract0; - F32 g = in[t1 + 1] * fract0; - F32 b = in[t1 + 2] * fract0; - F32 a = in[t1 + 3] * fract0; - - // Central interval - for( S32 u = index0 + 1; u < index1; u++ ) - { - S32 t2 = u * IN_COMPONENTS; - r += in[t2 + 0]; - g += in[t2 + 1]; - b += in[t2 + 2]; - a += in[t2 + 3]; - } - - // right straddle - // Watch out for reading off of end of input array. - if( fract1 && index1 < in_pixel_len ) - { - S32 t3 = index1 * IN_COMPONENTS; - r += in[t3 + 0] * fract1; - g += in[t3 + 1] * fract1; - b += in[t3 + 2] * fract1; - a += in[t3 + 3] * fract1; - } - - r *= norm_factor; - g *= norm_factor; - b *= norm_factor; - a *= norm_factor; - - in_scaled_r = U8(ll_round(r)); - in_scaled_g = U8(ll_round(g)); - in_scaled_b = U8(ll_round(b)); - in_scaled_a = U8(ll_round(a)); - } - - if( in_scaled_a ) - { - if( 255 == in_scaled_a ) - { - out[0] = in_scaled_r; - out[1] = in_scaled_g; - out[2] = in_scaled_b; - } - else - { - U8 transparency = 255 - in_scaled_a; - out[0] = fastFractionalMult( out[0], transparency ) + fastFractionalMult( in_scaled_r, in_scaled_a ); - out[1] = fastFractionalMult( out[1], transparency ) + fastFractionalMult( in_scaled_g, in_scaled_a ); - out[2] = fastFractionalMult( out[2], transparency ) + fastFractionalMult( in_scaled_b, in_scaled_a ); - } - } - out += OUT_COMPONENTS; - } + llassert( getComponents() == 3 ); + + const S32 IN_COMPONENTS = 4; + const S32 OUT_COMPONENTS = 3; + + const F32 ratio = F32(in_pixel_len) / out_pixel_len; // ratio of old to new + const F32 norm_factor = 1.f / ratio; + + for( S32 x = 0; x < out_pixel_len; x++ ) + { + // Sample input pixels in range from sample0 to sample1. + // Avoid floating point accumulation error... don't just add ratio each time. JC + const F32 sample0 = x * ratio; + const F32 sample1 = (x+1) * ratio; + const S32 index0 = S32(sample0); // left integer (floor) + const S32 index1 = S32(sample1); // right integer (floor) + const F32 fract0 = 1.f - (sample0 - F32(index0)); // spill over on left + const F32 fract1 = sample1 - F32(index1); // spill-over on right + + U8 in_scaled_r; + U8 in_scaled_g; + U8 in_scaled_b; + U8 in_scaled_a; + + if( index0 == index1 ) + { + // Interval is embedded in one input pixel + S32 t1 = index0 * IN_COMPONENTS; + in_scaled_r = in[t1 + 0]; + in_scaled_g = in[t1 + 0]; + in_scaled_b = in[t1 + 0]; + in_scaled_a = in[t1 + 0]; + } + else + { + // Left straddle + S32 t1 = index0 * IN_COMPONENTS; + F32 r = in[t1 + 0] * fract0; + F32 g = in[t1 + 1] * fract0; + F32 b = in[t1 + 2] * fract0; + F32 a = in[t1 + 3] * fract0; + + // Central interval + for( S32 u = index0 + 1; u < index1; u++ ) + { + S32 t2 = u * IN_COMPONENTS; + r += in[t2 + 0]; + g += in[t2 + 1]; + b += in[t2 + 2]; + a += in[t2 + 3]; + } + + // right straddle + // Watch out for reading off of end of input array. + if( fract1 && index1 < in_pixel_len ) + { + S32 t3 = index1 * IN_COMPONENTS; + r += in[t3 + 0] * fract1; + g += in[t3 + 1] * fract1; + b += in[t3 + 2] * fract1; + a += in[t3 + 3] * fract1; + } + + r *= norm_factor; + g *= norm_factor; + b *= norm_factor; + a *= norm_factor; + + in_scaled_r = U8(ll_round(r)); + in_scaled_g = U8(ll_round(g)); + in_scaled_b = U8(ll_round(b)); + in_scaled_a = U8(ll_round(a)); + } + + if( in_scaled_a ) + { + if( 255 == in_scaled_a ) + { + out[0] = in_scaled_r; + out[1] = in_scaled_g; + out[2] = in_scaled_b; + } + else + { + U8 transparency = 255 - in_scaled_a; + out[0] = fastFractionalMult( out[0], transparency ) + fastFractionalMult( in_scaled_r, in_scaled_a ); + out[1] = fastFractionalMult( out[1], transparency ) + fastFractionalMult( in_scaled_g, in_scaled_a ); + out[2] = fastFractionalMult( out[2], transparency ) + fastFractionalMult( in_scaled_b, in_scaled_a ); + } + } + out += OUT_COMPONENTS; + } } bool LLImageRaw::validateSrcAndDst(std::string func, LLImageRaw* src, LLImageRaw* dst) { - if (!src || !dst || src->isBufferInvalid() || dst->isBufferInvalid()) - { - LL_WARNS() << func << ": Source: "; - if (!src) LL_CONT << "Null pointer"; - else if (src->isBufferInvalid()) LL_CONT << "Invalid buffer"; - else LL_CONT << "OK"; + if (!src || !dst || src->isBufferInvalid() || dst->isBufferInvalid()) + { + LL_WARNS() << func << ": Source: "; + if (!src) LL_CONT << "Null pointer"; + else if (src->isBufferInvalid()) LL_CONT << "Invalid buffer"; + else LL_CONT << "OK"; - LL_CONT << "; Destination: "; - if (!dst) LL_CONT << "Null pointer"; - else if (dst->isBufferInvalid()) LL_CONT << "Invalid buffer"; - else LL_CONT << "OK"; - LL_CONT << "." << LL_ENDL; + LL_CONT << "; Destination: "; + if (!dst) LL_CONT << "Null pointer"; + else if (dst->isBufferInvalid()) LL_CONT << "Invalid buffer"; + else LL_CONT << "OK"; + LL_CONT << "." << LL_ENDL; - return false; - } - return true; + return false; + } + return true; } //---------------------------------------------------------------------------- static struct { - const char* exten; - EImageCodec codec; + const char* exten; + EImageCodec codec; } file_extensions[] = { - { "bmp", IMG_CODEC_BMP }, - { "tga", IMG_CODEC_TGA }, - { "j2c", IMG_CODEC_J2C }, - { "jp2", IMG_CODEC_J2C }, - { "texture", IMG_CODEC_J2C }, - { "jpg", IMG_CODEC_JPEG }, - { "jpeg", IMG_CODEC_JPEG }, - { "mip", IMG_CODEC_DXT }, - { "dxt", IMG_CODEC_DXT }, - { "png", IMG_CODEC_PNG } + { "bmp", IMG_CODEC_BMP }, + { "tga", IMG_CODEC_TGA }, + { "j2c", IMG_CODEC_J2C }, + { "jp2", IMG_CODEC_J2C }, + { "texture", IMG_CODEC_J2C }, + { "jpg", IMG_CODEC_JPEG }, + { "jpeg", IMG_CODEC_JPEG }, + { "mip", IMG_CODEC_DXT }, + { "dxt", IMG_CODEC_DXT }, + { "png", IMG_CODEC_PNG } }; #define NUM_FILE_EXTENSIONS LL_ARRAY_SIZE(file_extensions) #if 0 static std::string find_file(std::string &name, S8 *codec) { - std::string tname; - for (int i=0; i<(int)(NUM_FILE_EXTENSIONS); i++) - { - tname = name + "." + std::string(file_extensions[i].exten); - llifstream ifs(tname.c_str(), llifstream::binary); - if (ifs.is_open()) - { - ifs.close(); - if (codec) - *codec = file_extensions[i].codec; - return std::string(file_extensions[i].exten); - } - } - return std::string(""); + std::string tname; + for (int i=0; i<(int)(NUM_FILE_EXTENSIONS); i++) + { + tname = name + "." + std::string(file_extensions[i].exten); + llifstream ifs(tname.c_str(), llifstream::binary); + if (ifs.is_open()) + { + ifs.close(); + if (codec) + *codec = file_extensions[i].codec; + return std::string(file_extensions[i].exten); + } + } + return std::string(""); } #endif EImageCodec LLImageBase::getCodecFromExtension(const std::string& exten) { - if (!exten.empty()) - { - 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; + if (!exten.empty()) + { + 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; } #if 0 bool LLImageRaw::createFromFile(const std::string &filename, bool j2c_lowest_mip_only) { - std::string name = filename; - size_t dotidx = name.rfind('.'); - S8 codec = IMG_CODEC_INVALID; - std::string exten; - - deleteData(); // delete any existing data - - if (dotidx != std::string::npos) - { - exten = name.substr(dotidx+1); - LLStringUtil::toLower(exten); - codec = getCodecFromExtension(exten); - } - else - { - exten = find_file(name, &codec); - name = name + "." + exten; - } - if (codec == IMG_CODEC_INVALID) - { - return false; // format not recognized - } - - llifstream ifs(name.c_str(), llifstream::binary); - if (!ifs.is_open()) - { - // SJB: changed from LL_INFOS() to LL_DEBUGS() to reduce spam - LL_DEBUGS() << "Unable to open image file: " << name << LL_ENDL; - return false; - } - - ifs.seekg (0, std::ios::end); - int length = ifs.tellg(); - if (j2c_lowest_mip_only && length > 2048) - { - length = 2048; - } - ifs.seekg (0, std::ios::beg); - - if (!length) - { - LL_INFOS() << "Zero length file file: " << name << LL_ENDL; - return false; - } - - LLPointer<LLImageFormatted> image = LLImageFormatted::createFromType(codec); - llassert(image.notNull()); - - U8 *buffer = image->allocateData(length); - ifs.read ((char*)buffer, length); - ifs.close(); - - bool success; - - success = image->updateData(); - if (success) - { - if (j2c_lowest_mip_only && codec == IMG_CODEC_J2C) - { - S32 width = image->getWidth(); - S32 height = image->getHeight(); - S32 discard_level = 0; - while (width > 1 && height > 1 && discard_level < MAX_DISCARD_LEVEL) - { - width >>= 1; - height >>= 1; - discard_level++; - } - ((LLImageJ2C *)((LLImageFormatted*)image))->setDiscardLevel(discard_level); - } - success = image->decode(this, 100000.0f); - } - - image = NULL; // deletes image - if (!success) - { - deleteData(); - LL_WARNS() << "Unable to decode image" << name << LL_ENDL; - return false; - } - - return true; + std::string name = filename; + size_t dotidx = name.rfind('.'); + S8 codec = IMG_CODEC_INVALID; + std::string exten; + + deleteData(); // delete any existing data + + if (dotidx != std::string::npos) + { + exten = name.substr(dotidx+1); + LLStringUtil::toLower(exten); + codec = getCodecFromExtension(exten); + } + else + { + exten = find_file(name, &codec); + name = name + "." + exten; + } + if (codec == IMG_CODEC_INVALID) + { + return false; // format not recognized + } + + llifstream ifs(name.c_str(), llifstream::binary); + if (!ifs.is_open()) + { + // SJB: changed from LL_INFOS() to LL_DEBUGS() to reduce spam + LL_DEBUGS() << "Unable to open image file: " << name << LL_ENDL; + return false; + } + + ifs.seekg (0, std::ios::end); + int length = ifs.tellg(); + if (j2c_lowest_mip_only && length > 2048) + { + length = 2048; + } + ifs.seekg (0, std::ios::beg); + + if (!length) + { + LL_INFOS() << "Zero length file file: " << name << LL_ENDL; + return false; + } + + LLPointer<LLImageFormatted> image = LLImageFormatted::createFromType(codec); + llassert(image.notNull()); + + U8 *buffer = image->allocateData(length); + ifs.read ((char*)buffer, length); + ifs.close(); + + bool success; + + success = image->updateData(); + if (success) + { + if (j2c_lowest_mip_only && codec == IMG_CODEC_J2C) + { + S32 width = image->getWidth(); + S32 height = image->getHeight(); + S32 discard_level = 0; + while (width > 1 && height > 1 && discard_level < MAX_DISCARD_LEVEL) + { + width >>= 1; + height >>= 1; + discard_level++; + } + ((LLImageJ2C *)((LLImageFormatted*)image))->setDiscardLevel(discard_level); + } + success = image->decode(this, 100000.0f); + } + + image = NULL; // deletes image + if (!success) + { + deleteData(); + LL_WARNS() << "Unable to decode image" << name << LL_ENDL; + return false; + } + + return true; } #endif //--------------------------------------------------------------------------- @@ -1966,21 +1961,21 @@ bool LLImageRaw::createFromFile(const std::string &filename, bool j2c_lowest_mip S32 LLImageFormatted::sGlobalFormattedMemory = 0; LLImageFormatted::LLImageFormatted(S8 codec) - : LLImageBase(), - mCodec(codec), - mDecoding(0), - mDecoded(0), - mDiscardLevel(-1), - mLevels(0) + : LLImageBase(), + mCodec(codec), + mDecoding(0), + mDecoded(0), + mDiscardLevel(-1), + mLevels(0) { } // virtual LLImageFormatted::~LLImageFormatted() { - // NOTE: ~LLimageBase() call to deleteData() calls LLImageBase::deleteData() - // NOT LLImageFormatted::deleteData() - deleteData(); + // NOTE: ~LLimageBase() call to deleteData() calls LLImageBase::deleteData() + // NOT LLImageFormatted::deleteData() + deleteData(); } //---------------------------------------------------------------------------- @@ -1988,16 +1983,16 @@ LLImageFormatted::~LLImageFormatted() //virtual void LLImageFormatted::resetLastError() { - LLImage::setLastError(""); + LLImage::setLastError(""); } //virtual void LLImageFormatted::setLastError(const std::string& message, const std::string& filename) { - std::string error = message; - if (!filename.empty()) - error += std::string(" FILE: ") + filename; - LLImage::setLastError(error); + std::string error = message; + if (!filename.empty()) + error += std::string(" FILE: ") + filename; + LLImage::setLastError(error); } //---------------------------------------------------------------------------- @@ -2005,97 +2000,97 @@ void LLImageFormatted::setLastError(const std::string& message, const std::strin // static LLImageFormatted* LLImageFormatted::createFromType(S8 codec) { - LLImageFormatted* image; - switch(codec) - { - case IMG_CODEC_BMP: - image = new LLImageBMP(); - break; - case IMG_CODEC_TGA: - image = new LLImageTGA(); - break; - case IMG_CODEC_JPEG: - image = new LLImageJPEG(); - break; - case IMG_CODEC_PNG: - image = new LLImagePNG(); - break; - case IMG_CODEC_J2C: - image = new LLImageJ2C(); - break; - case IMG_CODEC_DXT: - image = new LLImageDXT(); - break; - default: - image = NULL; - break; - } - return image; + LLImageFormatted* image; + switch(codec) + { + case IMG_CODEC_BMP: + image = new LLImageBMP(); + break; + case IMG_CODEC_TGA: + image = new LLImageTGA(); + break; + case IMG_CODEC_JPEG: + image = new LLImageJPEG(); + break; + case IMG_CODEC_PNG: + image = new LLImagePNG(); + break; + case IMG_CODEC_J2C: + image = new LLImageJ2C(); + break; + case IMG_CODEC_DXT: + image = new LLImageDXT(); + break; + default: + image = NULL; + break; + } + return image; } // static LLImageFormatted* LLImageFormatted::createFromExtension(const std::string& instring) { - std::string exten; - size_t dotidx = instring.rfind('.'); - if (dotidx != std::string::npos) - { - exten = instring.substr(dotidx+1); - } - else - { - exten = instring; - } - S8 codec = getCodecFromExtension(exten); - return createFromType(codec); + std::string exten; + size_t dotidx = instring.rfind('.'); + if (dotidx != std::string::npos) + { + exten = instring.substr(dotidx+1); + } + else + { + exten = instring; + } + S8 codec = getCodecFromExtension(exten); + return createFromType(codec); } //---------------------------------------------------------------------------- // virtual void LLImageFormatted::dump() { - LLImageBase::dump(); + LLImageBase::dump(); - LL_INFOS() << "LLImageFormatted" - << " mDecoding " << mDecoding - << " mCodec " << S32(mCodec) - << " mDecoded " << mDecoded - << LL_ENDL; + LL_INFOS() << "LLImageFormatted" + << " mDecoding " << mDecoding + << " mCodec " << S32(mCodec) + << " mDecoded " << mDecoded + << LL_ENDL; } //---------------------------------------------------------------------------- S32 LLImageFormatted::calcDataSize(S32 discard_level) { - if (discard_level < 0) - { - discard_level = mDiscardLevel; - } - S32 w = getWidth() >> discard_level; - S32 h = getHeight() >> discard_level; - w = llmax(w, 1); - h = llmax(h, 1); - return w * h * getComponents(); + if (discard_level < 0) + { + discard_level = mDiscardLevel; + } + S32 w = getWidth() >> discard_level; + S32 h = getHeight() >> discard_level; + w = llmax(w, 1); + h = llmax(h, 1); + return w * h * getComponents(); } S32 LLImageFormatted::calcDiscardLevelBytes(S32 bytes) { - llassert(bytes >= 0); - S32 discard_level = 0; - while (1) - { - S32 bytes_needed = calcDataSize(discard_level); // virtual - if (bytes_needed <= bytes) - { - break; - } - discard_level++; - if (discard_level > MAX_IMAGE_MIP) - { - return -1; - } - } - return discard_level; + llassert(bytes >= 0); + S32 discard_level = 0; + while (1) + { + S32 bytes_needed = calcDataSize(discard_level); // virtual + if (bytes_needed <= bytes) + { + break; + } + discard_level++; + if (discard_level > MAX_IMAGE_MIP) + { + return -1; + } + } + return discard_level; } @@ -2104,34 +2099,34 @@ S32 LLImageFormatted::calcDiscardLevelBytes(S32 bytes) // Subclasses that can handle more than 4 channels should override this function. bool LLImageFormatted::decodeChannels(LLImageRaw* raw_image,F32 decode_time, S32 first_channel, S32 max_channel) { - llassert( (first_channel == 0) && (max_channel == 4) ); - return decode( raw_image, decode_time ); // Loads first 4 channels by default. -} + llassert( (first_channel == 0) && (max_channel == 4) ); + return decode( raw_image, decode_time ); // Loads first 4 channels by default. +} //---------------------------------------------------------------------------- // virtual U8* LLImageFormatted::allocateData(S32 size) { - U8* res = LLImageBase::allocateData(size); // calls deleteData() - sGlobalFormattedMemory += getDataSize(); - return res; + U8* res = LLImageBase::allocateData(size); // calls deleteData() + sGlobalFormattedMemory += getDataSize(); + return res; } // virtual U8* LLImageFormatted::reallocateData(S32 size) { - sGlobalFormattedMemory -= getDataSize(); - U8* res = LLImageBase::reallocateData(size); - sGlobalFormattedMemory += getDataSize(); - return res; + sGlobalFormattedMemory -= getDataSize(); + U8* res = LLImageBase::reallocateData(size); + sGlobalFormattedMemory += getDataSize(); + return res; } // virtual void LLImageFormatted::deleteData() { - sGlobalFormattedMemory -= getDataSize(); - LLImageBase::deleteData(); + sGlobalFormattedMemory -= getDataSize(); + LLImageBase::deleteData(); } //---------------------------------------------------------------------------- @@ -2139,196 +2134,196 @@ void LLImageFormatted::deleteData() // virtual void LLImageFormatted::sanityCheck() { - LLImageBase::sanityCheck(); + LLImageBase::sanityCheck(); - if (mCodec >= IMG_CODEC_EOF) - { - LL_ERRS() << "Failed LLImageFormatted::sanityCheck " - << "decoding " << S32(mDecoding) - << "decoded " << S32(mDecoded) - << "codec " << S32(mCodec) - << LL_ENDL; - } + if (mCodec >= IMG_CODEC_EOF) + { + LL_ERRS() << "Failed LLImageFormatted::sanityCheck " + << "decoding " << S32(mDecoding) + << "decoded " << S32(mDecoded) + << "codec " << S32(mCodec) + << LL_ENDL; + } } //---------------------------------------------------------------------------- bool LLImageFormatted::copyData(U8 *data, S32 size) { - if ( data && ((data != getData()) || (size != getDataSize())) ) - { - deleteData(); - allocateData(size); - memcpy(getData(), data, size); /* Flawfinder: ignore */ - } - return true; + if ( data && ((data != getData()) || (size != getDataSize())) ) + { + deleteData(); + allocateData(size); + memcpy(getData(), data, size); /* Flawfinder: ignore */ + } + return true; } // LLImageFormatted becomes the owner of data void LLImageFormatted::setData(U8 *data, S32 size) { - if (data && data != getData()) - { - deleteData(); - setDataAndSize(data, size); // Access private LLImageBase members + if (data && data != getData()) + { + deleteData(); + setDataAndSize(data, size); // Access private LLImageBase members - sGlobalFormattedMemory += getDataSize(); - } + sGlobalFormattedMemory += getDataSize(); + } } void LLImageFormatted::appendData(U8 *data, S32 size) { - if (data) - { - if (!getData()) - { - setData(data, size); - } - else - { - S32 cursize = getDataSize(); - S32 newsize = cursize + size; - reallocateData(newsize); - memcpy(getData() + cursize, data, size); - ll_aligned_free_16(data); - } - } + if (data) + { + if (!getData()) + { + setData(data, size); + } + else + { + S32 cursize = getDataSize(); + S32 newsize = cursize + size; + reallocateData(newsize); + memcpy(getData() + cursize, data, size); + ll_aligned_free_16(data); + } + } } //---------------------------------------------------------------------------- bool LLImageFormatted::load(const std::string &filename, int load_size) { - resetLastError(); - - S32 file_size = 0; - LLAPRFile infile ; - infile.open(filename, LL_APR_RB, NULL, &file_size); - apr_file_t* apr_file = infile.getFileHandle(); - if (!apr_file) - { - setLastError("Unable to open file for reading", filename); - return false; - } - if (file_size == 0) - { - setLastError("File is empty",filename); - return false; - } - - // Constrain the load size to acceptable values - if ((load_size == 0) || (load_size > file_size)) - { - load_size = file_size; - } - bool res; - U8 *data = allocateData(load_size); - if (data) - { - apr_size_t bytes_read = load_size; - apr_status_t s = apr_file_read(apr_file, data, &bytes_read); // modifies bytes_read - if (s != APR_SUCCESS || (S32) bytes_read != load_size) - { - deleteData(); - setLastError("Unable to read file",filename); - res = false; - } - else - { - res = updateData(); - } - } - else - { - setLastError("Allocation failure", filename); - res = false; - } - - return res; + resetLastError(); + + S32 file_size = 0; + LLAPRFile infile ; + infile.open(filename, LL_APR_RB, NULL, &file_size); + apr_file_t* apr_file = infile.getFileHandle(); + if (!apr_file) + { + setLastError("Unable to open file for reading", filename); + return false; + } + if (file_size == 0) + { + setLastError("File is empty",filename); + return false; + } + + // Constrain the load size to acceptable values + if ((load_size == 0) || (load_size > file_size)) + { + load_size = file_size; + } + bool res; + U8 *data = allocateData(load_size); + if (data) + { + apr_size_t bytes_read = load_size; + apr_status_t s = apr_file_read(apr_file, data, &bytes_read); // modifies bytes_read + if (s != APR_SUCCESS || (S32) bytes_read != load_size) + { + deleteData(); + setLastError("Unable to read file",filename); + res = false; + } + else + { + res = updateData(); + } + } + else + { + setLastError("Allocation failure", filename); + res = false; + } + + return res; } bool LLImageFormatted::save(const std::string &filename) { - resetLastError(); - - LLAPRFile outfile ; - outfile.open(filename, LL_APR_WB); - if (!outfile.getFileHandle()) - { - setLastError("Unable to open file for writing", filename); - return false; - } - - S32 result = outfile.write(getData(), getDataSize()); - outfile.close() ; + resetLastError(); + + LLAPRFile outfile ; + outfile.open(filename, LL_APR_WB); + if (!outfile.getFileHandle()) + { + setLastError("Unable to open file for writing", filename); + return false; + } + + S32 result = outfile.write(getData(), getDataSize()); + outfile.close() ; return (result != 0); } S8 LLImageFormatted::getCodec() const { - return mCodec; + return mCodec; } static void avg4_colors4(const U8* a, const U8* b, const U8* c, const U8* d, U8* dst) { - dst[0] = (U8)(((U32)(a[0]) + b[0] + c[0] + d[0])>>2); - dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); - dst[2] = (U8)(((U32)(a[2]) + b[2] + c[2] + d[2])>>2); - dst[3] = (U8)(((U32)(a[3]) + b[3] + c[3] + d[3])>>2); + dst[0] = (U8)(((U32)(a[0]) + b[0] + c[0] + d[0])>>2); + dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); + dst[2] = (U8)(((U32)(a[2]) + b[2] + c[2] + d[2])>>2); + dst[3] = (U8)(((U32)(a[3]) + b[3] + c[3] + d[3])>>2); } static void avg4_colors3(const U8* a, const U8* b, const U8* c, const U8* d, U8* dst) { - dst[0] = (U8)(((U32)(a[0]) + b[0] + c[0] + d[0])>>2); - dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); - dst[2] = (U8)(((U32)(a[2]) + b[2] + c[2] + d[2])>>2); + dst[0] = (U8)(((U32)(a[0]) + b[0] + c[0] + d[0])>>2); + dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); + dst[2] = (U8)(((U32)(a[2]) + b[2] + c[2] + d[2])>>2); } static void avg4_colors2(const U8* a, const U8* b, const U8* c, const U8* d, U8* dst) { - dst[0] = (U8)(((U32)(a[0]) + b[0] + c[0] + d[0])>>2); - dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); + dst[0] = (U8)(((U32)(a[0]) + b[0] + c[0] + d[0])>>2); + dst[1] = (U8)(((U32)(a[1]) + b[1] + c[1] + d[1])>>2); } void LLImageBase::setDataAndSize(U8 *data, S32 size) -{ - ll_assert_aligned(data, 16); - mData = data; - mDataSize = size; -} +{ + ll_assert_aligned(data, 16); + mData = data; + mDataSize = size; +} //static void LLImageBase::generateMip(const U8* indata, U8* mipdata, S32 width, S32 height, S32 nchannels) { - llassert(width > 0 && height > 0); - U8* data = mipdata; - S32 in_width = width*2; - for (S32 h=0; h<height; h++) - { - for (S32 w=0; w<width; w++) - { - switch(nchannels) - { - case 4: - avg4_colors4(indata, indata+4, indata+4*in_width, indata+4*in_width+4, data); - break; - case 3: - avg4_colors3(indata, indata+3, indata+3*in_width, indata+3*in_width+3, data); - break; - case 2: - avg4_colors2(indata, indata+2, indata+2*in_width, indata+2*in_width+2, data); - break; - case 1: - *(U8*)data = (U8)(((U32)(indata[0]) + indata[1] + indata[in_width] + indata[in_width+1])>>2); - break; - default: - LL_ERRS() << "generateMmip called with bad num channels" << LL_ENDL; - } - indata += nchannels*2; - data += nchannels; - } - indata += nchannels*in_width; // skip odd lines - } + llassert(width > 0 && height > 0); + U8* data = mipdata; + S32 in_width = width*2; + for (S32 h=0; h<height; h++) + { + for (S32 w=0; w<width; w++) + { + switch(nchannels) + { + case 4: + avg4_colors4(indata, indata+4, indata+4*in_width, indata+4*in_width+4, data); + break; + case 3: + avg4_colors3(indata, indata+3, indata+3*in_width, indata+3*in_width+3, data); + break; + case 2: + avg4_colors2(indata, indata+2, indata+2*in_width, indata+2*in_width+2, data); + break; + case 1: + *(U8*)data = (U8)(((U32)(indata[0]) + indata[1] + indata[in_width] + indata[in_width+1])>>2); + break; + default: + LL_ERRS() << "generateMmip called with bad num channels" << LL_ENDL; + } + indata += nchannels*2; + data += nchannels; + } + indata += nchannels*in_width; // skip odd lines + } } @@ -2337,69 +2332,69 @@ void LLImageBase::generateMip(const U8* indata, U8* mipdata, S32 width, S32 heig //static F32 LLImageBase::calc_download_priority(F32 virtual_size, F32 visible_pixels, S32 bytes_sent) { - F32 w_priority; - - F32 bytes_weight = 1.f; - if (!bytes_sent) - { - bytes_weight = 20.f; - } - else if (bytes_sent < 1000) - { - bytes_weight = 1.f; - } - else if (bytes_sent < 2000) - { - bytes_weight = 1.f/1.5f; - } - else if (bytes_sent < 4000) - { - bytes_weight = 1.f/3.f; - } - else if (bytes_sent < 8000) - { - bytes_weight = 1.f/6.f; - } - else if (bytes_sent < 16000) - { - bytes_weight = 1.f/12.f; - } - else if (bytes_sent < 32000) - { - bytes_weight = 1.f/20.f; - } - else if (bytes_sent < 64000) - { - bytes_weight = 1.f/32.f; - } - else - { - bytes_weight = 1.f/64.f; - } - bytes_weight *= bytes_weight; - - - //LL_INFOS() << "VS: " << virtual_size << LL_ENDL; - F32 virtual_size_factor = virtual_size / (10.f*10.f); - - // The goal is for weighted priority to be <= 0 when we've reached a point where - // we've sent enough data. - //LL_INFOS() << "BytesSent: " << bytes_sent << LL_ENDL; - //LL_INFOS() << "BytesWeight: " << bytes_weight << LL_ENDL; - //LL_INFOS() << "PreLog: " << bytes_weight * virtual_size_factor << LL_ENDL; - w_priority = (F32)log10(bytes_weight * virtual_size_factor); - - //LL_INFOS() << "PreScale: " << w_priority << LL_ENDL; - - // We don't want to affect how MANY bytes we send based on the visible pixels, but the order - // in which they're sent. We post-multiply so we don't change the zero point. - if (w_priority > 0.f) - { - F32 pixel_weight = (F32)log10(visible_pixels + 1)*3.0f; - w_priority *= pixel_weight; - } - - return w_priority; + F32 w_priority; + + F32 bytes_weight = 1.f; + if (!bytes_sent) + { + bytes_weight = 20.f; + } + else if (bytes_sent < 1000) + { + bytes_weight = 1.f; + } + else if (bytes_sent < 2000) + { + bytes_weight = 1.f/1.5f; + } + else if (bytes_sent < 4000) + { + bytes_weight = 1.f/3.f; + } + else if (bytes_sent < 8000) + { + bytes_weight = 1.f/6.f; + } + else if (bytes_sent < 16000) + { + bytes_weight = 1.f/12.f; + } + else if (bytes_sent < 32000) + { + bytes_weight = 1.f/20.f; + } + else if (bytes_sent < 64000) + { + bytes_weight = 1.f/32.f; + } + else + { + bytes_weight = 1.f/64.f; + } + bytes_weight *= bytes_weight; + + + //LL_INFOS() << "VS: " << virtual_size << LL_ENDL; + F32 virtual_size_factor = virtual_size / (10.f*10.f); + + // The goal is for weighted priority to be <= 0 when we've reached a point where + // we've sent enough data. + //LL_INFOS() << "BytesSent: " << bytes_sent << LL_ENDL; + //LL_INFOS() << "BytesWeight: " << bytes_weight << LL_ENDL; + //LL_INFOS() << "PreLog: " << bytes_weight * virtual_size_factor << LL_ENDL; + w_priority = (F32)log10(bytes_weight * virtual_size_factor); + + //LL_INFOS() << "PreScale: " << w_priority << LL_ENDL; + + // We don't want to affect how MANY bytes we send based on the visible pixels, but the order + // in which they're sent. We post-multiply so we don't change the zero point. + if (w_priority > 0.f) + { + F32 pixel_weight = (F32)log10(visible_pixels + 1)*3.0f; + w_priority *= pixel_weight; + } + + return w_priority; } //============================================================================ |