632 static bool read_mft_common(const mft_CommonLayout* mftTag, skcms_B2A* b2a) {  in read_mft_common()  argument
634     b2a->matrix_channels = 0;  in read_mft_common()
635     b2a-> input_channels = mftTag-> input_channels[0];  in read_mft_common()
636     b2a->output_channels = mftTag->output_channels[0];  in read_mft_common()
640     if (b2a->input_channels != ARRAY_COUNT(b2a->input_curves)) {  in read_mft_common()
643     if (b2a->output_channels < 3 || b2a->output_channels > ARRAY_COUNT(b2a->output_curves)) {  in read_mft_common()
648     for (uint32_t i = 0; i < b2a->input_channels; ++i) {  in read_mft_common()
649         b2a->grid_points[i] = mftTag->grid_points[0];  in read_mft_common()
651     if (b2a->grid_points[0] < 2) {  in read_mft_common()
929 static bool read_tag_mba(const skcms_ICCTag* tag, skcms_B2A* b2a, bool pcs_is_xyz) {  in read_tag_mba()  argument
936     b2a->input_channels  = mBATag->input_channels[0];  in read_tag_mba()
937     b2a->output_channels = mBATag->output_channels[0];  in read_tag_mba()
940     if (b2a->input_channels != ARRAY_COUNT(b2a->input_curves)) {  in read_tag_mba()
943     if (b2a->output_channels < 3 || b2a->output_channels > ARRAY_COUNT(b2a->output_curves)) {  in read_tag_mba()
958     if (!read_curves(tag->buf, tag->size, b_curve_offset, b2a->input_channels,  in read_tag_mba()
959                      b2a->input_curves)) {  in read_tag_mba()
968         b2a->matrix_channels = b2a->input_channels;  in read_tag_mba()
970         if (!read_curves(tag->buf, tag->size, m_curve_offset, b2a->matrix_channels,  in read_tag_mba()
971                          b2a->matrix_curves)) {  in read_tag_mba()
980         b2a->matrix.vals[0][0] = encoding_factor * read_big_fixed(mtx_buf +  0);  in read_tag_mba()
981         b2a->matrix.vals[0][1] = encoding_factor * read_big_fixed(mtx_buf +  4);  in read_tag_mba()
982         b2a->matrix.vals[0][2] = encoding_factor * read_big_fixed(mtx_buf +  8);  in read_tag_mba()
983         b2a->matrix.vals[1][0] = encoding_factor * read_big_fixed(mtx_buf + 12);  in read_tag_mba()
984         b2a->matrix.vals[1][1] = encoding_factor * read_big_fixed(mtx_buf + 16);  in read_tag_mba()
985         b2a->matrix.vals[1][2] = encoding_factor * read_big_fixed(mtx_buf + 20);  in read_tag_mba()
986         b2a->matrix.vals[2][0] = encoding_factor * read_big_fixed(mtx_buf + 24);  in read_tag_mba()
987         b2a->matrix.vals[2][1] = encoding_factor * read_big_fixed(mtx_buf + 28);  in read_tag_mba()
988         b2a->matrix.vals[2][2] = encoding_factor * read_big_fixed(mtx_buf + 32);  in read_tag_mba()
989         b2a->matrix.vals[0][3] = encoding_factor * read_big_fixed(mtx_buf + 36);  in read_tag_mba()
990         b2a->matrix.vals[1][3] = encoding_factor * read_big_fixed(mtx_buf + 40);  in read_tag_mba()
991         b2a->matrix.vals[2][3] = encoding_factor * read_big_fixed(mtx_buf + 44);  in read_tag_mba()
996         b2a->matrix_channels = 0;  in read_tag_mba()
1005         if (!read_curves(tag->buf, tag->size, a_curve_offset, b2a->output_channels,  in read_tag_mba()
1006                          b2a->output_curves)) {  in read_tag_mba()
1016             b2a->grid_8  = clut->variable;  in read_tag_mba()
1017             b2a->grid_16 = nullptr;  in read_tag_mba()
1019             b2a->grid_8  = nullptr;  in read_tag_mba()
1020             b2a->grid_16 = clut->variable;  in read_tag_mba()
1025         uint64_t grid_size = b2a->output_channels * clut->grid_byte_width[0];  in read_tag_mba()
1026         for (uint32_t i = 0; i < b2a->input_channels; ++i) {  in read_tag_mba()
1027             b2a->grid_points[i] = clut->grid_points[i];  in read_tag_mba()
1028             if (b2a->grid_points[i] < 2) {  in read_tag_mba()
1031             grid_size *= b2a->grid_points[i];  in read_tag_mba()
1041         if (b2a->input_channels != b2a->output_channels) {  in read_tag_mba()
1046         b2a->output_channels = 0;  in read_tag_mba()
1147 static bool read_b2a(const skcms_ICCTag* tag, skcms_B2A* b2a, bool pcs_is_xyz) {  in read_b2a()  argument
1149     if (tag->type == skcms_Signature_mft1) { ok = read_tag_mft1(tag, b2a); }  in read_b2a()
1150     if (tag->type == skcms_Signature_mft2) { ok = read_tag_mft2(tag, b2a); }  in read_b2a()
1151     if (tag->type == skcms_Signature_mBA ) { ok = read_tag_mba(tag, b2a, pcs_is_xyz); }  in read_b2a()
1156     if (b2a->input_channels > 0) { canonicalize_identity(b2a->input_curves + 0); }  in read_b2a()
1157     if (b2a->input_channels > 1) { canonicalize_identity(b2a->input_curves + 1); }  in read_b2a()
1158     if (b2a->input_channels > 2) { canonicalize_identity(b2a->input_curves + 2); }  in read_b2a()
1160     if (b2a->matrix_channels > 0) { canonicalize_identity(b2a->matrix_curves + 0); }  in read_b2a()
1161     if (b2a->matrix_channels > 1) { canonicalize_identity(b2a->matrix_curves + 1); }  in read_b2a()
1162     if (b2a->matrix_channels > 2) { canonicalize_identity(b2a->matrix_curves + 2); }  in read_b2a()
1164     if (b2a->output_channels > 0) { canonicalize_identity(b2a->output_curves + 0); }  in read_b2a()
1165     if (b2a->output_channels > 1) { canonicalize_identity(b2a->output_curves + 1); }  in read_b2a()
1166     if (b2a->output_channels > 2) { canonicalize_identity(b2a->output_curves + 2); }  in read_b2a()
1167     if (b2a->output_channels > 3) { canonicalize_identity(b2a->output_curves + 3); }  in read_b2a()